diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 726ac2e01b77..08e153614e09 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -480,16 +480,17 @@ Description: information about CPUs heterogeneity. cpu_capacity: capacity of cpu#. What: /sys/devices/system/cpu/vulnerabilities - /sys/devices/system/cpu/vulnerabilities/meltdown - /sys/devices/system/cpu/vulnerabilities/spectre_v1 - /sys/devices/system/cpu/vulnerabilities/spectre_v2 - /sys/devices/system/cpu/vulnerabilities/spec_store_bypass + /sys/devices/system/cpu/vulnerabilities/gather_data_sampling + /sys/devices/system/cpu/vulnerabilities/itlb_multihit /sys/devices/system/cpu/vulnerabilities/l1tf /sys/devices/system/cpu/vulnerabilities/mds + /sys/devices/system/cpu/vulnerabilities/meltdown + /sys/devices/system/cpu/vulnerabilities/mmio_stale_data + /sys/devices/system/cpu/vulnerabilities/spec_store_bypass + /sys/devices/system/cpu/vulnerabilities/spectre_v1 + /sys/devices/system/cpu/vulnerabilities/spectre_v2 /sys/devices/system/cpu/vulnerabilities/srbds /sys/devices/system/cpu/vulnerabilities/tsx_async_abort - /sys/devices/system/cpu/vulnerabilities/itlb_multihit - /sys/devices/system/cpu/vulnerabilities/mmio_stale_data Date: January 2018 Contact: Linux kernel mailing list Description: Information about CPU vulnerabilities diff --git a/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst b/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst new file mode 100644 index 000000000000..264bfa937f7d --- /dev/null +++ b/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst @@ -0,0 +1,109 @@ +.. SPDX-License-Identifier: GPL-2.0 + +GDS - Gather Data Sampling +========================== + +Gather Data Sampling is a hardware vulnerability which allows unprivileged +speculative access to data which was previously stored in vector registers. + +Problem +------- +When a gather instruction performs loads from memory, different data elements +are merged into the destination vector register. However, when a gather +instruction that is transiently executed encounters a fault, stale data from +architectural or internal vector registers may get transiently forwarded to the +destination vector register instead. This will allow a malicious attacker to +infer stale data using typical side channel techniques like cache timing +attacks. GDS is a purely sampling-based attack. + +The attacker uses gather instructions to infer the stale vector register data. +The victim does not need to do anything special other than use the vector +registers. The victim does not need to use gather instructions to be +vulnerable. + +Because the buffers are shared between Hyper-Threads cross Hyper-Thread attacks +are possible. + +Attack scenarios +---------------- +Without mitigation, GDS can infer stale data across virtually all +permission boundaries: + + Non-enclaves can infer SGX enclave data + Userspace can infer kernel data + Guests can infer data from hosts + Guest can infer guest from other guests + Users can infer data from other users + +Because of this, it is important to ensure that the mitigation stays enabled in +lower-privilege contexts like guests and when running outside SGX enclaves. + +The hardware enforces the mitigation for SGX. Likewise, VMMs should ensure +that guests are not allowed to disable the GDS mitigation. If a host erred and +allowed this, a guest could theoretically disable GDS mitigation, mount an +attack, and re-enable it. + +Mitigation mechanism +-------------------- +This issue is mitigated in microcode. The microcode defines the following new +bits: + + ================================ === ============================ + IA32_ARCH_CAPABILITIES[GDS_CTRL] R/O Enumerates GDS vulnerability + and mitigation support. + IA32_ARCH_CAPABILITIES[GDS_NO] R/O Processor is not vulnerable. + IA32_MCU_OPT_CTRL[GDS_MITG_DIS] R/W Disables the mitigation + 0 by default. + IA32_MCU_OPT_CTRL[GDS_MITG_LOCK] R/W Locks GDS_MITG_DIS=0. Writes + to GDS_MITG_DIS are ignored + Can't be cleared once set. + ================================ === ============================ + +GDS can also be mitigated on systems that don't have updated microcode by +disabling AVX. This can be done by setting gather_data_sampling="force" or +"clearcpuid=avx" on the kernel command-line. + +If used, these options will disable AVX use by turning off XSAVE YMM support. +However, the processor will still enumerate AVX support. Userspace that +does not follow proper AVX enumeration to check both AVX *and* XSAVE YMM +support will break. + +Mitigation control on the kernel command line +--------------------------------------------- +The mitigation can be disabled by setting "gather_data_sampling=off" or +"mitigations=off" on the kernel command line. Not specifying either will default +to the mitigation being enabled. Specifying "gather_data_sampling=force" will +use the microcode mitigation when available or disable AVX on affected systems +where the microcode hasn't been updated to include the mitigation. + +GDS System Information +------------------------ +The kernel provides vulnerability status information through sysfs. For +GDS this can be accessed by the following sysfs file: + +/sys/devices/system/cpu/vulnerabilities/gather_data_sampling + +The possible values contained in this file are: + + ============================== ============================================= + Not affected Processor not vulnerable. + Vulnerable Processor vulnerable and mitigation disabled. + Vulnerable: No microcode Processor vulnerable and microcode is missing + mitigation. + Mitigation: AVX disabled, + no microcode Processor is vulnerable and microcode is missing + mitigation. AVX disabled as mitigation. + Mitigation: Microcode Processor is vulnerable and mitigation is in + effect. + Mitigation: Microcode (locked) Processor is vulnerable and mitigation is in + effect and cannot be disabled. + Unknown: Dependent on + hypervisor status Running on a virtual guest processor that is + affected but with no way to know if host + processor is mitigated or vulnerable. + ============================== ============================================= + +GDS Default mitigation +---------------------- +The updated microcode will enable the mitigation by default. The kernel's +default action is to leave the mitigation enabled. diff --git a/Documentation/admin-guide/hw-vuln/index.rst b/Documentation/admin-guide/hw-vuln/index.rst index 2adec1e6520a..245468b0f2be 100644 --- a/Documentation/admin-guide/hw-vuln/index.rst +++ b/Documentation/admin-guide/hw-vuln/index.rst @@ -16,3 +16,4 @@ are configurable at compile, boot or run time. multihit.rst special-register-buffer-data-sampling.rst processor_mmio_stale_data.rst + gather_data_sampling.rst diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9f6a65ecdcca..93d3fb64728d 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -834,10 +834,6 @@ debugpat [X86] Enable PAT debugging - decnet.addr= [HW,NET] - Format: [,] - See also Documentation/networking/decnet.txt. - default_hugepagesz= [same as hugepagesz=] The size of the default HugeTLB page size. This is the size represented by @@ -1349,6 +1345,26 @@ Format: off | on default: on + gather_data_sampling= + [X86,INTEL] Control the Gather Data Sampling (GDS) + mitigation. + + Gather Data Sampling is a hardware vulnerability which + allows unprivileged speculative access to data which was + previously stored in vector registers. + + This issue is mitigated by default in updated microcode. + The mitigation may have a performance impact but can be + disabled. On systems without the microcode mitigation + disabling AVX serves as a mitigation. + + force: Disable AVX to mitigate systems without + microcode mitigation. No effect if the microcode + mitigation is present. Known to cause crashes in + userspace with buggy AVX enumeration. + + off: Disable GDS mitigation. + gcov_persist= [GCOV] When non-zero (default), profiling data for kernel modules is saved and remains accessible via debugfs, even when the module is unloaded/reloaded. @@ -2709,21 +2725,22 @@ Disable all optional CPU mitigations. This improves system performance, but it may also expose users to several CPU vulnerabilities. - Equivalent to: nopti [X86,PPC] + Equivalent to: gather_data_sampling=off [X86] kpti=0 [ARM64] - nospectre_v1 [X86,PPC] - nobp=0 [S390] - nospectre_v2 [X86,PPC,S390,ARM64] - spectre_v2_user=off [X86] - spec_store_bypass_disable=off [X86,PPC] - ssbd=force-off [ARM64] + kvm.nx_huge_pages=off [X86] l1tf=off [X86] mds=off [X86] - tsx_async_abort=off [X86] - kvm.nx_huge_pages=off [X86] + mmio_stale_data=off [X86] no_entry_flush [PPC] no_uaccess_flush [PPC] - mmio_stale_data=off [X86] + nobp=0 [S390] + nopti [X86,PPC] + nospectre_v1 [X86,PPC] + nospectre_v2 [X86,PPC,S390,ARM64] + spec_store_bypass_disable=off [X86,PPC] + spectre_v2_user=off [X86] + ssbd=force-off [ARM64] + tsx_async_abort=off [X86] Exceptions: This does not have any effect on diff --git a/Documentation/admin-guide/security-bugs.rst b/Documentation/admin-guide/security-bugs.rst index dcd6c93c7aac..521acda367ae 100644 --- a/Documentation/admin-guide/security-bugs.rst +++ b/Documentation/admin-guide/security-bugs.rst @@ -56,31 +56,28 @@ information submitted to the security list and any followup discussions of the report are treated confidentially even after the embargo has been lifted, in perpetuity. -Coordination ------------- +Coordination with other groups +------------------------------ -Fixes for sensitive bugs, such as those that might lead to privilege -escalations, may need to be coordinated with the private - mailing list so that distribution vendors -are well prepared to issue a fixed kernel upon public disclosure of the -upstream fix. Distros will need some time to test the proposed patch and -will generally request at least a few days of embargo, and vendor update -publication prefers to happen Tuesday through Thursday. When appropriate, -the security team can assist with this coordination, or the reporter can -include linux-distros from the start. In this case, remember to prefix -the email Subject line with "[vs]" as described in the linux-distros wiki: - +The kernel security team strongly recommends that reporters of potential +security issues NEVER contact the "linux-distros" mailing list until +AFTER discussing it with the kernel security team. Do not Cc: both +lists at once. You may contact the linux-distros mailing list after a +fix has been agreed on and you fully understand the requirements that +doing so will impose on you and the kernel community. + +The different lists have different goals and the linux-distros rules do +not contribute to actually fixing any potential security problems. CVE assignment -------------- -The security team does not normally assign CVEs, nor do we require them -for reports or fixes, as this can needlessly complicate the process and -may delay the bug handling. If a reporter wishes to have a CVE identifier -assigned ahead of public disclosure, they will need to contact the private -linux-distros list, described above. When such a CVE identifier is known -before a patch is provided, it is desirable to mention it in the commit -message if the reporter agrees. +The security team does not assign CVEs, nor do we require them for +reports or fixes, as this can needlessly complicate the process and may +delay the bug handling. If a reporter wishes to have a CVE identifier +assigned, they should find one by themselves, for example by contacting +MITRE directly. However under no circumstances will a patch inclusion +be delayed to wait for a CVE identifier to arrive. Non-disclosure agreements ------------------------- diff --git a/Documentation/admin-guide/sysctl/net.rst b/Documentation/admin-guide/sysctl/net.rst index 287b98708a40..95467351f5a7 100644 --- a/Documentation/admin-guide/sysctl/net.rst +++ b/Documentation/admin-guide/sysctl/net.rst @@ -34,13 +34,14 @@ Table : Subdirectories in /proc/sys/net ========= =================== = ========== ================== Directory Content Directory Content ========= =================== = ========== ================== - core General parameter appletalk Appletalk protocol - unix Unix domain sockets netrom NET/ROM - 802 E802 protocol ax25 AX25 - ethernet Ethernet protocol rose X.25 PLP layer - ipv4 IP version 4 x25 X.25 protocol - bridge Bridging decnet DEC net - ipv6 IP version 6 tipc TIPC + 802 E802 protocol mptcp Multipath TCP + appletalk Appletalk protocol netfilter Network Filter + ax25 AX25 netrom NET/ROM + bridge Bridging rose X.25 PLP layer + core General parameter tipc TIPC + ethernet Ethernet protocol unix Unix domain sockets + ipv4 IP version 4 x25 X.25 protocol + ipv6 IP version 6 ========= =================== = ========== ================== 1. /proc/sys/net/core - Network core options diff --git a/Documentation/filesystems/directory-locking.rst b/Documentation/filesystems/directory-locking.rst index de12016ee419..e59fc830c9af 100644 --- a/Documentation/filesystems/directory-locking.rst +++ b/Documentation/filesystems/directory-locking.rst @@ -22,12 +22,11 @@ exclusive. 3) object removal. Locking rules: caller locks parent, finds victim, locks victim and calls the method. Locks are exclusive. -4) rename() that is _not_ cross-directory. Locking rules: caller locks -the parent and finds source and target. In case of exchange (with -RENAME_EXCHANGE in flags argument) lock both. In any case, -if the target already exists, lock it. If the source is a non-directory, -lock it. If we need to lock both, lock them in inode pointer order. -Then call the method. All locks are exclusive. +4) rename() that is _not_ cross-directory. Locking rules: caller locks the +parent and finds source and target. We lock both (provided they exist). If we +need to lock two inodes of different type (dir vs non-dir), we lock directory +first. If we need to lock two inodes of the same type, lock them in inode +pointer order. Then call the method. All locks are exclusive. NB: we might get away with locking the the source (and target in exchange case) shared. @@ -44,15 +43,17 @@ All locks are exclusive. rules: * lock the filesystem - * lock parents in "ancestors first" order. + * lock parents in "ancestors first" order. If one is not ancestor of + the other, lock them in inode pointer order. * find source and target. * if old parent is equal to or is a descendent of target fail with -ENOTEMPTY * if new parent is equal to or is a descendent of source fail with -ELOOP - * If it's an exchange, lock both the source and the target. - * If the target exists, lock it. If the source is a non-directory, - lock it. If we need to lock both, do so in inode pointer order. + * Lock both the source and the target provided they exist. If we + need to lock two inodes of different type (dir vs non-dir), we lock + the directory first. If we need to lock two inodes of the same type, + lock them in inode pointer order. * call the method. All ->i_rwsem are taken exclusive. Again, we might get away with locking @@ -66,8 +67,9 @@ If no directory is its own ancestor, the scheme above is deadlock-free. Proof: - First of all, at any moment we have a partial ordering of the - objects - A < B iff A is an ancestor of B. + First of all, at any moment we have a linear ordering of the + objects - A < B iff (A is an ancestor of B) or (B is not an ancestor + of A and ptr(A) < ptr(B)). That ordering can change. However, the following is true: diff --git a/Documentation/ioctl/ioctl-number.rst b/Documentation/ioctl/ioctl-number.rst index 4ef86433bd67..fd20555ebd8b 100644 --- a/Documentation/ioctl/ioctl-number.rst +++ b/Documentation/ioctl/ioctl-number.rst @@ -302,7 +302,6 @@ Code Seq# Include File Comments 0x89 00-06 arch/x86/include/asm/sockios.h 0x89 0B-DF linux/sockios.h 0x89 E0-EF linux/sockios.h SIOCPROTOPRIVATE range -0x89 E0-EF linux/dn.h PROTOPRIVATE range 0x89 F0-FF linux/sockios.h SIOCDEVPRIVATE range 0x8B all linux/wireless.h 0x8C 00-3F WiNRADiO driver diff --git a/Documentation/media/uapi/v4l/subdev-formats.rst b/Documentation/media/uapi/v4l/subdev-formats.rst index 15e11f27b4c8..b89a2f6c9155 100644 --- a/Documentation/media/uapi/v4l/subdev-formats.rst +++ b/Documentation/media/uapi/v4l/subdev-formats.rst @@ -7794,3 +7794,30 @@ formats. - 0x5001 - Interleaved raw UYVY and JPEG image format with embedded meta-data used by Samsung S3C73MX camera sensors. + +.. _v4l2-mbus-metadata-fmts: + +Metadata Formats +^^^^^^^^^^^^^^^^ + +This section lists all metadata formats. + +The following table lists the existing metadata formats. + +.. tabularcolumns:: |p{8.0cm}|p{1.4cm}|p{7.7cm}| + +.. flat-table:: Metadata formats + :header-rows: 1 + :stub-columns: 0 + + * - Identifier + - Code + - Comments + * .. _MEDIA-BUS-FMT-METADATA-FIXED: + + - MEDIA_BUS_FMT_METADATA_FIXED + - 0x7001 + - This format should be used when the same driver handles + both sides of the link and the bus format is a fixed + metadata format that is not configurable from userspace. + Width and height will be set to 0 for this format. diff --git a/Documentation/networking/af_xdp.rst b/Documentation/networking/af_xdp.rst index 83f7ae5fc045..09b3943b3b71 100644 --- a/Documentation/networking/af_xdp.rst +++ b/Documentation/networking/af_xdp.rst @@ -40,13 +40,13 @@ allocates memory for this UMEM using whatever means it feels is most appropriate (malloc, mmap, huge pages, etc). This memory area is then registered with the kernel using the new setsockopt XDP_UMEM_REG. The UMEM also has two rings: the FILL ring and the COMPLETION ring. The -fill ring is used by the application to send down addr for the kernel +FILL ring is used by the application to send down addr for the kernel to fill in with RX packet data. References to these frames will then appear in the RX ring once each packet has been received. The -completion ring, on the other hand, contains frame addr that the +COMPLETION ring, on the other hand, contains frame addr that the kernel has transmitted completely and can now be used again by user space, for either TX or RX. Thus, the frame addrs appearing in the -completion ring are addrs that were previously transmitted using the +COMPLETION ring are addrs that were previously transmitted using the TX ring. In summary, the RX and FILL rings are used for the RX path and the TX and COMPLETION rings are used for the TX path. @@ -91,11 +91,16 @@ Concepts ======== In order to use an AF_XDP socket, a number of associated objects need -to be setup. +to be setup. These objects and their options are explained in the +following sections. -Jonathan Corbet has also written an excellent article on LWN, -"Accelerating networking with AF_XDP". It can be found at -https://lwn.net/Articles/750845/. +For an overview on how AF_XDP works, you can also take a look at the +Linux Plumbers paper from 2018 on the subject: +http://vger.kernel.org/lpc_net2018_talks/lpc18_paper_af_xdp_perf-v2.pdf. Do +NOT consult the paper from 2017 on "AF_PACKET v4", the first attempt +at AF_XDP. Nearly everything changed since then. Jonathan Corbet has +also written an excellent article on LWN, "Accelerating networking +with AF_XDP". It can be found at https://lwn.net/Articles/750845/. UMEM ---- @@ -113,22 +118,22 @@ the next socket B can do this by setting the XDP_SHARED_UMEM flag in struct sockaddr_xdp member sxdp_flags, and passing the file descriptor of A to struct sockaddr_xdp member sxdp_shared_umem_fd. -The UMEM has two single-producer/single-consumer rings, that are used +The UMEM has two single-producer/single-consumer rings that are used to transfer ownership of UMEM frames between the kernel and the user-space application. Rings ----- -There are a four different kind of rings: Fill, Completion, RX and +There are a four different kind of rings: FILL, COMPLETION, RX and TX. All rings are single-producer/single-consumer, so the user-space application need explicit synchronization of multiple processes/threads are reading/writing to them. -The UMEM uses two rings: Fill and Completion. Each socket associated +The UMEM uses two rings: FILL and COMPLETION. Each socket associated with the UMEM must have an RX queue, TX queue or both. Say, that there is a setup with four sockets (all doing TX and RX). Then there will be -one Fill ring, one Completion ring, four TX rings and four RX rings. +one FILL ring, one COMPLETION ring, four TX rings and four RX rings. The rings are head(producer)/tail(consumer) based rings. A producer writes the data ring at the index pointed out by struct xdp_ring @@ -146,7 +151,7 @@ The size of the rings need to be of size power of two. UMEM Fill Ring ~~~~~~~~~~~~~~ -The Fill ring is used to transfer ownership of UMEM frames from +The FILL ring is used to transfer ownership of UMEM frames from user-space to kernel-space. The UMEM addrs are passed in the ring. As an example, if the UMEM is 64k and each chunk is 4k, then the UMEM has 16 chunks and can pass addrs between 0 and 64k. @@ -164,8 +169,8 @@ chunks mode, then the incoming addr will be left untouched. UMEM Completion Ring ~~~~~~~~~~~~~~~~~~~~ -The Completion Ring is used transfer ownership of UMEM frames from -kernel-space to user-space. Just like the Fill ring, UMEM indicies are +The COMPLETION Ring is used transfer ownership of UMEM frames from +kernel-space to user-space. Just like the FILL ring, UMEM indices are used. Frames passed from the kernel to user-space are frames that has been @@ -181,7 +186,7 @@ The RX ring is the receiving side of a socket. Each entry in the ring is a struct xdp_desc descriptor. The descriptor contains UMEM offset (addr) and the length of the data (len). -If no frames have been passed to kernel via the Fill ring, no +If no frames have been passed to kernel via the FILL ring, no descriptors will (or can) appear on the RX ring. The user application consumes struct xdp_desc descriptors from this @@ -199,8 +204,24 @@ be relaxed in the future. The user application produces struct xdp_desc descriptors to this ring. +Libbpf +====== + +Libbpf is a helper library for eBPF and XDP that makes using these +technologies a lot simpler. It also contains specific helper functions +in tools/lib/bpf/xsk.h for facilitating the use of AF_XDP. It +contains two types of functions: those that can be used to make the +setup of AF_XDP socket easier and ones that can be used in the data +plane to access the rings safely and quickly. To see an example on how +to use this API, please take a look at the sample application in +samples/bpf/xdpsock_usr.c which uses libbpf for both setup and data +plane operations. + +We recommend that you use this library unless you have become a power +user. It will make your program a lot simpler. + XSKMAP / BPF_MAP_TYPE_XSKMAP ----------------------------- +============================ On XDP side there is a BPF map type BPF_MAP_TYPE_XSKMAP (XSKMAP) that is used in conjunction with bpf_redirect_map() to pass the ingress @@ -216,21 +237,193 @@ queue 17. Only the XDP program executing for eth0 and queue 17 will successfully pass data to the socket. Please refer to the sample application (samples/bpf/) in for an example. +Configuration Flags and Socket Options +====================================== + +These are the various configuration flags that can be used to control +and monitor the behavior of AF_XDP sockets. + +XDP_COPY and XDP_ZERO_COPY bind flags +------------------------------------- + +When you bind to a socket, the kernel will first try to use zero-copy +copy. If zero-copy is not supported, it will fall back on using copy +mode, i.e. copying all packets out to user space. But if you would +like to force a certain mode, you can use the following flags. If you +pass the XDP_COPY flag to the bind call, the kernel will force the +socket into copy mode. If it cannot use copy mode, the bind call will +fail with an error. Conversely, the XDP_ZERO_COPY flag will force the +socket into zero-copy mode or fail. + +XDP_SHARED_UMEM bind flag +------------------------- + +This flag enables you to bind multiple sockets to the same UMEM, but +only if they share the same queue id. In this mode, each socket has +their own RX and TX rings, but the UMEM (tied to the fist socket +created) only has a single FILL ring and a single COMPLETION +ring. To use this mode, create the first socket and bind it in the normal +way. Create a second socket and create an RX and a TX ring, or at +least one of them, but no FILL or COMPLETION rings as the ones from +the first socket will be used. In the bind call, set he +XDP_SHARED_UMEM option and provide the initial socket's fd in the +sxdp_shared_umem_fd field. You can attach an arbitrary number of extra +sockets this way. + +What socket will then a packet arrive on? This is decided by the XDP +program. Put all the sockets in the XSK_MAP and just indicate which +index in the array you would like to send each packet to. A simple +round-robin example of distributing packets is shown below: + +.. code-block:: c + + #include + #include "bpf_helpers.h" + + #define MAX_SOCKS 16 + + struct { + __uint(type, BPF_MAP_TYPE_XSKMAP); + __uint(max_entries, MAX_SOCKS); + __uint(key_size, sizeof(int)); + __uint(value_size, sizeof(int)); + } xsks_map SEC(".maps"); + + static unsigned int rr; + + SEC("xdp_sock") int xdp_sock_prog(struct xdp_md *ctx) + { + rr = (rr + 1) & (MAX_SOCKS - 1); + + return bpf_redirect_map(&xsks_map, rr, 0); + } + +Note, that since there is only a single set of FILL and COMPLETION +rings, and they are single producer, single consumer rings, you need +to make sure that multiple processes or threads do not use these rings +concurrently. There are no synchronization primitives in the +libbpf code that protects multiple users at this point in time. + +XDP_USE_NEED_WAKEUP bind flag +----------------------------- + +This option adds support for a new flag called need_wakeup that is +present in the FILL ring and the TX ring, the rings for which user +space is a producer. When this option is set in the bind call, the +need_wakeup flag will be set if the kernel needs to be explicitly +woken up by a syscall to continue processing packets. If the flag is +zero, no syscall is needed. + +If the flag is set on the FILL ring, the application needs to call +poll() to be able to continue to receive packets on the RX ring. This +can happen, for example, when the kernel has detected that there are no +more buffers on the FILL ring and no buffers left on the RX HW ring of +the NIC. In this case, interrupts are turned off as the NIC cannot +receive any packets (as there are no buffers to put them in), and the +need_wakeup flag is set so that user space can put buffers on the +FILL ring and then call poll() so that the kernel driver can put these +buffers on the HW ring and start to receive packets. + +If the flag is set for the TX ring, it means that the application +needs to explicitly notify the kernel to send any packets put on the +TX ring. This can be accomplished either by a poll() call, as in the +RX path, or by calling sendto(). + +An example of how to use this flag can be found in +samples/bpf/xdpsock_user.c. An example with the use of libbpf helpers +would look like this for the TX path: + +.. code-block:: c + + if (xsk_ring_prod__needs_wakeup(&my_tx_ring)) + sendto(xsk_socket__fd(xsk_handle), NULL, 0, MSG_DONTWAIT, NULL, 0); + +I.e., only use the syscall if the flag is set. + +We recommend that you always enable this mode as it usually leads to +better performance especially if you run the application and the +driver on the same core, but also if you use different cores for the +application and the kernel driver, as it reduces the number of +syscalls needed for the TX path. + +XDP_{RX|TX|UMEM_FILL|UMEM_COMPLETION}_RING setsockopts +------------------------------------------------------ + +These setsockopts sets the number of descriptors that the RX, TX, +FILL, and COMPLETION rings respectively should have. It is mandatory +to set the size of at least one of the RX and TX rings. If you set +both, you will be able to both receive and send traffic from your +application, but if you only want to do one of them, you can save +resources by only setting up one of them. Both the FILL ring and the +COMPLETION ring are mandatory if you have a UMEM tied to your socket, +which is the normal case. But if the XDP_SHARED_UMEM flag is used, any +socket after the first one does not have a UMEM and should in that +case not have any FILL or COMPLETION rings created. + +XDP_UMEM_REG setsockopt +----------------------- + +This setsockopt registers a UMEM to a socket. This is the area that +contain all the buffers that packet can recide in. The call takes a +pointer to the beginning of this area and the size of it. Moreover, it +also has parameter called chunk_size that is the size that the UMEM is +divided into. It can only be 2K or 4K at the moment. If you have an +UMEM area that is 128K and a chunk size of 2K, this means that you +will be able to hold a maximum of 128K / 2K = 64 packets in your UMEM +area and that your largest packet size can be 2K. + +There is also an option to set the headroom of each single buffer in +the UMEM. If you set this to N bytes, it means that the packet will +start N bytes into the buffer leaving the first N bytes for the +application to use. The final option is the flags field, but it will +be dealt with in separate sections for each UMEM flag. + +SO_BINDTODEVICE setsockopt +-------------------------- + +This is a generic SOL_SOCKET option that can be used to tie AF_XDP +socket to a particular network interface. It is useful when a socket +is created by a privileged process and passed to a non-privileged one. +Once the option is set, kernel will refuse attempts to bind that socket +to a different interface. Updating the value requires CAP_NET_RAW. + +XDP_STATISTICS getsockopt +------------------------- + +Gets drop statistics of a socket that can be useful for debug +purposes. The supported statistics are shown below: + +.. code-block:: c + + struct xdp_statistics { + __u64 rx_dropped; /* Dropped for reasons other than invalid desc */ + __u64 rx_invalid_descs; /* Dropped due to invalid descriptor */ + __u64 tx_invalid_descs; /* Dropped due to invalid descriptor */ + }; + +XDP_OPTIONS getsockopt +---------------------- + +Gets options from an XDP socket. The only one supported so far is +XDP_OPTIONS_ZEROCOPY which tells you if zero-copy is on or not. + Usage ===== -In order to use AF_XDP sockets there are two parts needed. The +In order to use AF_XDP sockets two parts are needed. The user-space application and the XDP program. For a complete setup and usage example, please refer to the sample application. The user-space side is xdpsock_user.c and the XDP side is part of libbpf. -The XDP code sample included in tools/lib/bpf/xsk.c is the following:: +The XDP code sample included in tools/lib/bpf/xsk.c is the following: + +.. code-block:: c SEC("xdp_sock") int xdp_sock_prog(struct xdp_md *ctx) { int index = ctx->rx_queue_index; - // A set entry here means that the correspnding queue_id + // A set entry here means that the corresponding queue_id // has an active AF_XDP socket bound to it. if (bpf_map_lookup_elem(&xsks_map, &index)) return bpf_redirect_map(&xsks_map, index, 0); @@ -238,7 +431,10 @@ The XDP code sample included in tools/lib/bpf/xsk.c is the following:: return XDP_PASS; } -Naive ring dequeue and enqueue could look like this:: +A simple but not so performance ring dequeue and enqueue could look +like this: + +.. code-block:: c // struct xdp_rxtx_ring { // __u32 *producer; @@ -287,17 +483,16 @@ Naive ring dequeue and enqueue could look like this:: return 0; } - -For a more optimized version, please refer to the sample application. +But please use the libbpf functions as they are optimized and ready to +use. Will make your life easier. Sample application ================== There is a xdpsock benchmarking/test application included that -demonstrates how to use AF_XDP sockets with both private and shared -UMEMs. Say that you would like your UDP traffic from port 4242 to end -up in queue 16, that we will enable AF_XDP on. Here, we use ethtool -for this:: +demonstrates how to use AF_XDP sockets with private UMEMs. Say that +you would like your UDP traffic from port 4242 to end up in queue 16, +that we will enable AF_XDP on. Here, we use ethtool for this:: ethtool -N p3p2 rx-flow-hash udp4 fn ethtool -N p3p2 flow-type udp4 src-port 4242 dst-port 4242 \ @@ -311,13 +506,18 @@ using:: For XDP_SKB mode, use the switch "-S" instead of "-N" and all options can be displayed with "-h", as usual. +This sample application uses libbpf to make the setup and usage of +AF_XDP simpler. If you want to know how the raw uapi of AF_XDP is +really used to make something more advanced, take a look at the libbpf +code in tools/lib/bpf/xsk.[ch]. + FAQ ======= Q: I am not seeing any traffic on the socket. What am I doing wrong? A: When a netdev of a physical NIC is initialized, Linux usually - allocates one Rx and Tx queue pair per core. So on a 8 core system, + allocates one RX and TX queue pair per core. So on a 8 core system, queue ids 0 to 7 will be allocated, one per core. In the AF_XDP bind call or the xsk_socket__create libbpf function call, you specify a specific queue id to bind to and it is only the traffic @@ -343,9 +543,21 @@ A: When a netdev of a physical NIC is initialized, Linux usually sudo ethtool -N flow-type udp4 src-port 4242 dst-port \ 4242 action 2 - A number of other ways are possible all up to the capabilitites of + A number of other ways are possible all up to the capabilities of the NIC you have. +Q: Can I use the XSKMAP to implement a switch betwen different umems + in copy mode? + +A: The short answer is no, that is not supported at the moment. The + XSKMAP can only be used to switch traffic coming in on queue id X + to sockets bound to the same queue id X. The XSKMAP can contain + sockets bound to different queue ids, for example X and Y, but only + traffic goming in from queue id Y can be directed to sockets bound + to the same queue id Y. In zero-copy mode, you should use the + switch, or other distribution mechanism, in your NIC to direct + traffic to the correct queue id and socket. + Credits ======= diff --git a/Documentation/networking/decnet.txt b/Documentation/networking/decnet.txt deleted file mode 100644 index d192f8b9948b..000000000000 --- a/Documentation/networking/decnet.txt +++ /dev/null @@ -1,230 +0,0 @@ - Linux DECnet Networking Layer Information - =========================================== - -1) Other documentation.... - - o Project Home Pages - http://www.chygwyn.com/ - Kernel info - http://linux-decnet.sourceforge.net/ - Userland tools - http://www.sourceforge.net/projects/linux-decnet/ - Status page - -2) Configuring the kernel - -Be sure to turn on the following options: - - CONFIG_DECNET (obviously) - CONFIG_PROC_FS (to see what's going on) - CONFIG_SYSCTL (for easy configuration) - -if you want to try out router support (not properly debugged yet) -you'll need the following options as well... - - CONFIG_DECNET_ROUTER (to be able to add/delete routes) - CONFIG_NETFILTER (will be required for the DECnet routing daemon) - -Don't turn on SIOCGIFCONF support for DECnet unless you are really sure -that you need it, in general you won't and it can cause ifconfig to -malfunction. - -Run time configuration has changed slightly from the 2.4 system. If you -want to configure an endnode, then the simplified procedure is as follows: - - o Set the MAC address on your ethernet card before starting _any_ other - network protocols. - -As soon as your network card is brought into the UP state, DECnet should -start working. If you need something more complicated or are unsure how -to set the MAC address, see the next section. Also all configurations which -worked with 2.4 will work under 2.5 with no change. - -3) Command line options - -You can set a DECnet address on the kernel command line for compatibility -with the 2.4 configuration procedure, but in general it's not needed any more. -If you do st a DECnet address on the command line, it has only one purpose -which is that its added to the addresses on the loopback device. - -With 2.4 kernels, DECnet would only recognise addresses as local if they -were added to the loopback device. In 2.5, any local interface address -can be used to loop back to the local machine. Of course this does not -prevent you adding further addresses to the loopback device if you -want to. - -N.B. Since the address list of an interface determines the addresses for -which "hello" messages are sent, if you don't set an address on the loopback -interface then you won't see any entries in /proc/net/neigh for the local -host until such time as you start a connection. This doesn't affect the -operation of the local communications in any other way though. - -The kernel command line takes options looking like the following: - - decnet.addr=1,2 - -the two numbers are the node address 1,2 = 1.2 For 2.2.xx kernels -and early 2.3.xx kernels, you must use a comma when specifying the -DECnet address like this. For more recent 2.3.xx kernels, you may -use almost any character except space, although a `.` would be the most -obvious choice :-) - -There used to be a third number specifying the node type. This option -has gone away in favour of a per interface node type. This is now set -using /proc/sys/net/decnet/conf//forwarding. This file can be -set with a single digit, 0=EndNode, 1=L1 Router and 2=L2 Router. - -There are also equivalent options for modules. The node address can -also be set through the /proc/sys/net/decnet/ files, as can other system -parameters. - -Currently the only supported devices are ethernet and ip_gre. The -ethernet address of your ethernet card has to be set according to the DECnet -address of the node in order for it to be autoconfigured (and then appear in -/proc/net/decnet_dev). There is a utility available at the above -FTP sites called dn2ethaddr which can compute the correct ethernet -address to use. The address can be set by ifconfig either before or -at the time the device is brought up. If you are using RedHat you can -add the line: - - MACADDR=AA:00:04:00:03:04 - -or something similar, to /etc/sysconfig/network-scripts/ifcfg-eth0 or -wherever your network card's configuration lives. Setting the MAC address -of your ethernet card to an address starting with "hi-ord" will cause a -DECnet address which matches to be added to the interface (which you can -verify with iproute2). - -The default device for routing can be set through the /proc filesystem -by setting /proc/sys/net/decnet/default_device to the -device you want DECnet to route packets out of when no specific route -is available. Usually this will be eth0, for example: - - echo -n "eth0" >/proc/sys/net/decnet/default_device - -If you don't set the default device, then it will default to the first -ethernet card which has been autoconfigured as described above. You can -confirm that by looking in the default_device file of course. - -There is a list of what the other files under /proc/sys/net/decnet/ do -on the kernel patch web site (shown above). - -4) Run time kernel configuration - -This is either done through the sysctl/proc interface (see the kernel web -pages for details on what the various options do) or through the iproute2 -package in the same way as IPv4/6 configuration is performed. - -Documentation for iproute2 is included with the package, although there is -as yet no specific section on DECnet, most of the features apply to both -IP and DECnet, albeit with DECnet addresses instead of IP addresses and -a reduced functionality. - -If you want to configure a DECnet router you'll need the iproute2 package -since its the _only_ way to add and delete routes currently. Eventually -there will be a routing daemon to send and receive routing messages for -each interface and update the kernel routing tables accordingly. The -routing daemon will use netfilter to listen to routing packets, and -rtnetlink to update the kernels routing tables. - -The DECnet raw socket layer has been removed since it was there purely -for use by the routing daemon which will now use netfilter (a much cleaner -and more generic solution) instead. - -5) How can I tell if its working ? - -Here is a quick guide of what to look for in order to know if your DECnet -kernel subsystem is working. - - - Is the node address set (see /proc/sys/net/decnet/node_address) - - Is the node of the correct type - (see /proc/sys/net/decnet/conf//forwarding) - - Is the Ethernet MAC address of each Ethernet card set to match - the DECnet address. If in doubt use the dn2ethaddr utility available - at the ftp archive. - - If the previous two steps are satisfied, and the Ethernet card is up, - you should find that it is listed in /proc/net/decnet_dev and also - that it appears as a directory in /proc/sys/net/decnet/conf/. The - loopback device (lo) should also appear and is required to communicate - within a node. - - If you have any DECnet routers on your network, they should appear - in /proc/net/decnet_neigh, otherwise this file will only contain the - entry for the node itself (if it doesn't check to see if lo is up). - - If you want to send to any node which is not listed in the - /proc/net/decnet_neigh file, you'll need to set the default device - to point to an Ethernet card with connection to a router. This is - again done with the /proc/sys/net/decnet/default_device file. - - Try starting a simple server and client, like the dnping/dnmirror - over the loopback interface. With luck they should communicate. - For this step and those after, you'll need the DECnet library - which can be obtained from the above ftp sites as well as the - actual utilities themselves. - - If this seems to work, then try talking to a node on your local - network, and see if you can obtain the same results. - - At this point you are on your own... :-) - -6) How to send a bug report - -If you've found a bug and want to report it, then there are several things -you can do to help me work out exactly what it is that is wrong. Useful -information (_most_ of which _is_ _essential_) includes: - - - What kernel version are you running ? - - What version of the patch are you running ? - - How far though the above set of tests can you get ? - - What is in the /proc/decnet* files and /proc/sys/net/decnet/* files ? - - Which services are you running ? - - Which client caused the problem ? - - How much data was being transferred ? - - Was the network congested ? - - How can the problem be reproduced ? - - Can you use tcpdump to get a trace ? (N.B. Most (all?) versions of - tcpdump don't understand how to dump DECnet properly, so including - the hex listing of the packet contents is _essential_, usually the -x flag. - You may also need to increase the length grabbed with the -s flag. The - -e flag also provides very useful information (ethernet MAC addresses)) - -7) MAC FAQ - -A quick FAQ on ethernet MAC addresses to explain how Linux and DECnet -interact and how to get the best performance from your hardware. - -Ethernet cards are designed to normally only pass received network frames -to a host computer when they are addressed to it, or to the broadcast address. - -Linux has an interface which allows the setting of extra addresses for -an ethernet card to listen to. If the ethernet card supports it, the -filtering operation will be done in hardware, if not the extra unwanted packets -received will be discarded by the host computer. In the latter case, -significant processor time and bus bandwidth can be used up on a busy -network (see the NAPI documentation for a longer explanation of these -effects). - -DECnet makes use of this interface to allow running DECnet on an ethernet -card which has already been configured using TCP/IP (presumably using the -built in MAC address of the card, as usual) and/or to allow multiple DECnet -addresses on each physical interface. If you do this, be aware that if your -ethernet card doesn't support perfect hashing in its MAC address filter -then your computer will be doing more work than required. Some cards -will simply set themselves into promiscuous mode in order to receive -packets from the DECnet specified addresses. So if you have one of these -cards its better to set the MAC address of the card as described above -to gain the best efficiency. Better still is to use a card which supports -NAPI as well. - - -8) Mailing list - -If you are keen to get involved in development, or want to ask questions -about configuration, or even just report bugs, then there is a mailing -list that you can join, details are at: - -http://sourceforge.net/mail/?group_id=4993 - -9) Legal Info - -The Linux DECnet project team have placed their code under the GPL. The -software is provided "as is" and without warranty express or implied. -DECnet is a trademark of Compaq. This software is not a product of -Compaq. We acknowledge the help of people at Compaq in providing extra -documentation above and beyond what was previously publicly available. - -Steve Whitehouse - diff --git a/MAINTAINERS b/MAINTAINERS index 7fd34ffc542f..e81d4638bd9d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4617,13 +4617,6 @@ F: include/uapi/linux/dccp.h F: include/linux/tfrc.h F: net/dccp/ -DECnet NETWORK LAYER -W: http://linux-decnet.sourceforge.net -L: linux-decnet-user@lists.sourceforge.net -S: Orphan -F: Documentation/networking/decnet.txt -F: net/decnet/ - DECSTATION PLATFORM SUPPORT M: "Maciej W. Rozycki" L: linux-mips@vger.kernel.org diff --git a/Makefile b/Makefile index 52d3ddbcc0e4..e8d2c3217779 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 4 -SUBLEVEL = 242 +SUBLEVEL = 254 EXTRAVERSION = NAME = Kleptomaniac Octopus @@ -813,6 +813,10 @@ endif KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable) + +# These result in bogus false positives +KBUILD_CFLAGS += $(call cc-disable-warning, dangling-pointer) + ifdef CONFIG_FRAME_POINTER KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls else diff --git a/android/GKI_VERSION b/android/GKI_VERSION index 36b4664d338a..b8afd9ca8342 100644 --- a/android/GKI_VERSION +++ b/android/GKI_VERSION @@ -1 +1 @@ -LTS_5.4.242_e699d543bbc9 +LTS_5.4.254_91f702572a80 diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml index 8d5c9934f7b1..ff82075ff092 100644 --- a/android/abi_gki_aarch64.xml +++ b/android/abi_gki_aarch64.xml @@ -3803,6 +3803,7 @@ + @@ -4122,6 +4123,7 @@ + @@ -5012,6 +5014,7 @@ + @@ -5025,118 +5028,167 @@ - - - - - - - - - - - - - - - - - - - - + + + - - + + + + + - - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + - + + + + + + + + + + + + + - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -5334,19 +5386,53 @@ - + + + + + + + + - + - + - + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -5439,6 +5525,12 @@ + + + + + + @@ -5449,12 +5541,16 @@ + + + + - + @@ -5499,6 +5595,17 @@ + + + + + + + + + + + @@ -5638,11 +5745,17 @@ + + + + + - + + @@ -5652,7 +5765,11 @@ + + + + @@ -5836,6 +5953,7 @@ + @@ -5844,10 +5962,12 @@ + - + + @@ -6065,7 +6185,7 @@ - + @@ -6088,14 +6208,15 @@ + - + - + @@ -6103,7 +6224,7 @@ - + @@ -6118,12 +6239,12 @@ - + - + - + @@ -6169,11 +6290,6 @@ - - - - - @@ -6241,6 +6357,14 @@ + + + + + + + + @@ -6340,7 +6464,7 @@ - + @@ -6351,6 +6475,7 @@ + @@ -6396,26 +6521,7 @@ - - - - - - - - - - - - - - - - - - - - + @@ -6554,7 +6660,7 @@ - + @@ -6578,6 +6684,17 @@ + + + + + + + + + + + @@ -6623,14 +6740,6 @@ - - - - - - - - @@ -6639,14 +6748,6 @@ - - - - - - - - @@ -6656,9 +6757,8 @@ + - - @@ -6673,20 +6773,7 @@ - - - - - - - - - - - - - - + @@ -6754,6 +6841,17 @@ + + + + + + + + + + + @@ -6831,16 +6929,6 @@ - - - - - - - - - - @@ -6849,8 +6937,7 @@ - - + @@ -7134,7 +7221,7 @@ - + @@ -7142,7 +7229,7 @@ - + @@ -7159,8 +7246,6 @@ - - @@ -8142,8 +8227,6 @@ - - @@ -8151,7 +8234,7 @@ - + @@ -9226,6 +9309,7 @@ + @@ -9246,7 +9330,7 @@ - + @@ -9254,7 +9338,7 @@ - + @@ -9406,7 +9490,14 @@ - + + + + + + + + @@ -10409,37 +10500,8 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + @@ -10955,7 +11017,7 @@ - + @@ -10969,17 +11031,22 @@ - + + + + + + - + - + @@ -11056,7 +11123,7 @@ - + @@ -11067,7 +11134,7 @@ - + @@ -11075,7 +11142,7 @@ - + @@ -11087,6 +11154,9 @@ + + + @@ -11995,11 +12065,6 @@ - - - - - @@ -12250,7 +12315,7 @@ - + @@ -12264,7 +12329,7 @@ - + @@ -12281,7 +12346,7 @@ - + @@ -12289,7 +12354,7 @@ - + @@ -12309,7 +12374,7 @@ - + @@ -12470,6 +12535,7 @@ + @@ -12548,9 +12614,7 @@ - - @@ -12562,14 +12626,17 @@ + + + - + @@ -12577,7 +12644,7 @@ - + @@ -12585,7 +12652,7 @@ - + @@ -12593,7 +12660,7 @@ - + @@ -12601,7 +12668,7 @@ - + @@ -13172,6 +13239,83 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -14073,17 +14217,6 @@ - - - - - - - - - - - @@ -14390,7 +14523,41 @@ - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -14484,7 +14651,7 @@ - + @@ -14492,7 +14659,7 @@ - + @@ -14500,7 +14667,12 @@ - + + + + + + @@ -14514,7 +14686,7 @@ - + @@ -14522,7 +14694,7 @@ - + @@ -14530,7 +14702,7 @@ - + @@ -14618,6 +14790,7 @@ + @@ -14640,7 +14813,7 @@ - + @@ -14648,7 +14821,7 @@ - + @@ -14662,7 +14835,7 @@ - + @@ -14688,7 +14861,7 @@ - + @@ -14696,7 +14869,7 @@ - + @@ -14751,12 +14924,20 @@ - - - + + + + + + + + + + + @@ -15558,411 +15739,411 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -16618,10 +16799,10 @@ - + - + @@ -17323,7 +17504,7 @@ - + @@ -17334,7 +17515,7 @@ - + @@ -17342,12 +17523,12 @@ - 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- - - - - - - - - - - - - - - - @@ -157787,6 +165452,18 @@ + + + + + + + + + + + + @@ -157807,50 +165484,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -157866,33 +165499,416 @@ - - - - + + + + + - - - + + + + - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 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- - - - - - @@ -158941,41 +166011,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -158988,111 +166023,46 @@ - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + @@ -159101,20 +166071,45 @@ - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + - - - - @@ -159122,15 +166117,108 @@ - - + + + - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -159167,43 +166255,24 @@ - - - - - - + + + + + + - - - - - - - - - - - - - - - - - - - @@ -159213,35 +166282,35 @@ - - - - - + + + + + + + + + - + - - - - - - - + + + + + - - - - - - + + + + @@ -159263,58 +166332,26 @@ - - - - - - - - - - - - - - - - - - - - - - - - - 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- - @@ -160243,108 +166835,24 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + @@ -160358,37 +166866,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -160396,16 +166873,35 @@ + + + + + + + + + + + + + + + + + + + + + + + - - - - @@ -160453,29 +166949,56 @@ - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + - - + + + + + + + + + + - - - - - - - - - - - - - - - - + + @@ -160486,6 +167009,16 @@ + + + + + + + + + + @@ -160506,47 +167039,13 @@ - - - - - - - - - - - - - - - - - - + + + - - - - - - - - - - - - - - - - - - - @@ -160558,63 +167057,9 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -160623,515 +167068,212 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - 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+ + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -161225,16 +167391,6 @@ - - - - - - - - - - @@ -161246,26 +167402,14 @@ - - - - - - - - - - - - - - - - - + + + + + @@ -161273,14 +167417,18 @@ + + + + - - - + + + @@ -161288,20 +167436,9 @@ - - - - - - - - - - - - - - + + + @@ -161342,88 +167479,13 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -161435,623 +167497,7 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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- - - - - + + + + + + + + + @@ -162100,133 +167539,32 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + - - - - - - - - - - - - - - - - - - - - - - - - @@ -162239,9 +167577,15 @@ - + + + + + + + @@ -162250,81 +167594,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -162332,90 +167601,46 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -162425,62 +167650,15 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + - - - - - + + + @@ -162490,61 +167668,15 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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-143124,7 +143134,7 @@ - + @@ -143150,7 +143160,7 @@ - + @@ -143167,7 +143177,7 @@ - + @@ -143175,7 +143185,7 @@ - + @@ -143183,7 +143193,7 @@ - + @@ -143191,7 +143201,7 @@ - + @@ -143214,7 +143224,7 @@ - + diff --git a/android/abi_gki_aarch64_qcom b/android/abi_gki_aarch64_qcom index cf708287f20d..212c74095a6e 100644 --- a/android/abi_gki_aarch64_qcom +++ b/android/abi_gki_aarch64_qcom @@ -2443,6 +2443,7 @@ sysfs_create_group sysfs_create_groups sysfs_create_link + sysfs_emit __sysfs_match_string sysfs_notify sysfs_remove_bin_file @@ -2563,6 +2564,7 @@ ufshcd_uic_hibern8_exit uhid_hid_driver __uio_register_device + uhid_hid_driver uio_unregister_device unlock_new_inode unlock_page diff --git a/arch/Kconfig b/arch/Kconfig index bea32b788a02..136a633b28a7 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -271,6 +271,9 @@ config ARCH_HAS_UNCACHED_SEGMENT select ARCH_HAS_DMA_PREP_COHERENT bool +config ARCH_HAS_CPU_FINALIZE_INIT + bool + # Select if arch init_task must go in the __init_task_data section config ARCH_TASK_STRUCT_ON_STACK bool diff --git a/arch/alpha/include/asm/bugs.h b/arch/alpha/include/asm/bugs.h deleted file mode 100644 index 78030d1c7e7e..000000000000 --- a/arch/alpha/include/asm/bugs.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * include/asm-alpha/bugs.h - * - * Copyright (C) 1994 Linus Torvalds - */ - -/* - * This is included by init/main.c to check for architecture-dependent bugs. - * - * Needs: - * void check_bugs(void); - */ - -/* - * I don't know of any alpha bugs yet.. Nice chip - */ - -static void check_bugs(void) -{ -} diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index 5d4c76a77a9f..f1072b10913c 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -394,8 +394,7 @@ setup_memory(void *kernel_end) extern void setup_memory(void *); #endif /* !CONFIG_DISCONTIGMEM */ -int __init -page_is_ram(unsigned long pfn) +int page_is_ram(unsigned long pfn) { struct memclust_struct * cluster; struct memdesc_struct * memdesc; diff --git a/arch/arc/include/asm/linkage.h b/arch/arc/include/asm/linkage.h index fe19f1d412e7..284fd513d7c6 100644 --- a/arch/arc/include/asm/linkage.h +++ b/arch/arc/include/asm/linkage.h @@ -8,6 +8,10 @@ #include +#define ASM_NL ` /* use '`' to mark new line in macro */ +#define __ALIGN .align 4 +#define __ALIGN_STR __stringify(__ALIGN) + #ifdef __ASSEMBLY__ .macro ST2 e, o, off @@ -28,10 +32,6 @@ #endif .endm -#define ASM_NL ` /* use '`' to mark new line in macro */ -#define __ALIGN .align 4 -#define __ALIGN_STR __stringify(__ALIGN) - /* annotation for data we want in DCCM - if enabled in .config */ .macro ARCFP_DATA nm #ifdef CONFIG_ARC_HAS_DCCM diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 825680869575..2e6cd7abed6e 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -5,6 +5,7 @@ config ARM select ARCH_32BIT_OFF_T select ARCH_CLOCKSOURCE_DATA select ARCH_HAS_BINFMT_FLAT + select ARCH_HAS_CPU_FINALIZE_INIT if MMU select ARCH_HAS_DEBUG_VIRTUAL if MMU select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_DMA_COHERENT_TO_PFN if SWIOTLB diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts index e86d4795e024..e542a9f59e93 100644 --- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts +++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts @@ -527,7 +527,7 @@ interrupt-parent = <&gpio1>; interrupts = <31 0>; - pendown-gpio = <&gpio1 31 0>; + pendown-gpio = <&gpio1 31 GPIO_ACTIVE_LOW>; ti,x-min = /bits/ 16 <0x0>; diff --git a/arch/arm/boot/dts/at91sam9261ek.dts b/arch/arm/boot/dts/at91sam9261ek.dts index c4ef74fea97c..ee90ea09e781 100644 --- a/arch/arm/boot/dts/at91sam9261ek.dts +++ b/arch/arm/boot/dts/at91sam9261ek.dts @@ -156,7 +156,7 @@ compatible = "ti,ads7843"; interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>; spi-max-frequency = <3000000>; - pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&pioC 2 GPIO_ACTIVE_LOW>; ti,x-min = /bits/ 16 <150>; ti,x-max = /bits/ 16 <3830>; diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi index 05d67f976911..bf8154aa203a 100644 --- a/arch/arm/boot/dts/bcm5301x.dtsi +++ b/arch/arm/boot/dts/bcm5301x.dtsi @@ -511,7 +511,6 @@ "spi_lr_session_done", "spi_lr_overread"; clocks = <&iprocmed>; - clock-names = "iprocmed"; num-cs = <2>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm/boot/dts/exynos4412-itop-elite.dts b/arch/arm/boot/dts/exynos4412-itop-elite.dts index f6d0a5f5d339..9a2a49420d4d 100644 --- a/arch/arm/boot/dts/exynos4412-itop-elite.dts +++ b/arch/arm/boot/dts/exynos4412-itop-elite.dts @@ -179,7 +179,7 @@ compatible = "wlf,wm8960"; reg = <0x1a>; clocks = <&pmu_system_controller 0>; - clock-names = "MCLK1"; + clock-names = "mclk"; wlf,shared-lrclk; #sound-dai-cells = <0>; }; diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi index 9cbdc1a15cda..d326b18333d1 100644 --- a/arch/arm/boot/dts/imx35.dtsi +++ b/arch/arm/boot/dts/imx35.dtsi @@ -59,7 +59,7 @@ interrupt-parent = <&avic>; ranges; - L2: l2-cache@30000000 { + L2: cache-controller@30000000 { compatible = "arm,l210-cache"; reg = <0x30000000 0x1000>; cache-unified; diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index e9955ef12e02..bb02923bc2e5 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -45,6 +45,10 @@ spi1 = &ecspi2; spi2 = &ecspi3; spi3 = &ecspi4; + usb0 = &usbotg; + usb1 = &usbh1; + usb2 = &usbh2; + usb3 = &usbh3; usbphy0 = &usbphy1; usbphy1 = &usbphy2; }; @@ -255,7 +259,7 @@ interrupt-parent = <&intc>; }; - L2: l2-cache@a02000 { + L2: cache-controller@a02000 { compatible = "arm,pl310-cache"; reg = <0x00a02000 0x1000>; interrupts = <0 92 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi index 852f66944c7d..3cf1da06e7f0 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -39,6 +39,9 @@ spi1 = &ecspi2; spi2 = &ecspi3; spi3 = &ecspi4; + usb0 = &usbotg1; + usb1 = &usbotg2; + usb2 = &usbh; usbphy0 = &usbphy1; usbphy1 = &usbphy2; }; @@ -136,7 +139,7 @@ interrupt-parent = <&intc>; }; - L2: l2-cache@a02000 { + L2: cache-controller@a02000 { compatible = "arm,pl310-cache"; reg = <0x00a02000 0x1000>; interrupts = <0 92 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm/boot/dts/imx6sll.dtsi b/arch/arm/boot/dts/imx6sll.dtsi index 39500b84673b..ad3deb82a50a 100644 --- a/arch/arm/boot/dts/imx6sll.dtsi +++ b/arch/arm/boot/dts/imx6sll.dtsi @@ -36,6 +36,8 @@ spi1 = &ecspi2; spi3 = &ecspi3; spi4 = &ecspi4; + usb0 = &usbotg1; + usb1 = &usbotg2; usbphy0 = &usbphy1; usbphy1 = &usbphy2; }; @@ -49,20 +51,18 @@ device_type = "cpu"; reg = <0>; next-level-cache = <&L2>; - operating-points = < + operating-points = /* kHz uV */ - 996000 1275000 - 792000 1175000 - 396000 1075000 - 198000 975000 - >; - fsl,soc-operating-points = < + <996000 1275000>, + <792000 1175000>, + <396000 1075000>, + <198000 975000>; + fsl,soc-operating-points = /* ARM kHz SOC-PU uV */ - 996000 1175000 - 792000 1175000 - 396000 1175000 - 198000 1175000 - >; + <996000 1175000>, + <792000 1175000>, + <396000 1175000>, + <198000 1175000>; clock-latency = <61036>; /* two CLK32 periods */ #cooling-cells = <2>; clocks = <&clks IMX6SLL_CLK_ARM>, @@ -137,7 +137,7 @@ interrupt-parent = <&intc>; }; - L2: l2-cache@a02000 { + L2: cache-controller@a02000 { compatible = "arm,pl310-cache"; reg = <0x00a02000 0x1000>; interrupts = ; @@ -272,7 +272,7 @@ status = "disabled"; }; - ssi1: ssi-controller@2028000 { + ssi1: ssi@2028000 { compatible = "fsl,imx6sl-ssi", "fsl,imx51-ssi"; reg = <0x02028000 0x4000>; interrupts = ; @@ -285,7 +285,7 @@ status = "disabled"; }; - ssi2: ssi-controller@202c000 { + ssi2: ssi@202c000 { compatible = "fsl,imx6sl-ssi", "fsl,imx51-ssi"; reg = <0x0202c000 0x4000>; interrupts = ; @@ -298,7 +298,7 @@ status = "disabled"; }; - ssi3: ssi-controller@2030000 { + ssi3: ssi@2030000 { compatible = "fsl,imx6sl-ssi", "fsl,imx51-ssi"; reg = <0x02030000 0x4000>; interrupts = ; @@ -550,7 +550,7 @@ reg = <0x020ca000 0x1000>; interrupts = ; clocks = <&clks IMX6SLL_CLK_USBPHY2>; - phy-reg_3p0-supply = <®_3p0>; + phy-3p0-supply = <®_3p0>; fsl,anatop = <&anatop>; }; diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi index b3e24d8bd299..790cc88c8b1a 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -49,6 +49,9 @@ spi2 = &ecspi3; spi3 = &ecspi4; spi4 = &ecspi5; + usb0 = &usbotg1; + usb1 = &usbotg2; + usb2 = &usbh; usbphy0 = &usbphy1; usbphy1 = &usbphy2; }; @@ -187,7 +190,7 @@ interrupt-parent = <&intc>; }; - L2: l2-cache@a02000 { + L2: cache-controller@a02000 { compatible = "arm,pl310-cache"; reg = <0x00a02000 0x1000>; interrupts = ; diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi index ae0722b93b9d..05390cc2a3b3 100644 --- a/arch/arm/boot/dts/imx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul.dtsi @@ -47,6 +47,8 @@ spi1 = &ecspi2; spi2 = &ecspi3; spi3 = &ecspi4; + usb0 = &usbotg1; + usb1 = &usbotg2; usbphy0 = &usbphy1; usbphy1 = &usbphy2; }; diff --git a/arch/arm/boot/dts/imx7d-pico-hobbit.dts b/arch/arm/boot/dts/imx7d-pico-hobbit.dts index d917dc4f2f22..6ad39dca7009 100644 --- a/arch/arm/boot/dts/imx7d-pico-hobbit.dts +++ b/arch/arm/boot/dts/imx7d-pico-hobbit.dts @@ -64,7 +64,7 @@ interrupt-parent = <&gpio2>; interrupts = <7 0>; spi-max-frequency = <1000000>; - pendown-gpio = <&gpio2 7 0>; + pendown-gpio = <&gpio2 7 GPIO_ACTIVE_LOW>; vcc-supply = <®_3p3v>; ti,x-min = /bits/ 16 <0>; ti,x-max = /bits/ 16 <4095>; diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index 363d1f57a608..88e62801b82e 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -176,7 +176,7 @@ pinctrl-0 = <&pinctrl_tsc2046_pendown>; interrupt-parent = <&gpio2>; interrupts = <29 0>; - pendown-gpio = <&gpio2 29 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&gpio2 29 GPIO_ACTIVE_LOW>; touchscreen-max-pressure = <255>; wakeup-source; }; diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi index 9c8dd32cc035..8b65ca8b5f30 100644 --- a/arch/arm/boot/dts/imx7d.dtsi +++ b/arch/arm/boot/dts/imx7d.dtsi @@ -7,6 +7,12 @@ #include / { + aliases { + usb0 = &usbotg1; + usb1 = &usbotg2; + usb2 = &usbh; + }; + cpus { cpu0: cpu@0 { clock-frequency = <996000000>; diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi index 1ef076b64de2..e5151a7849d6 100644 --- a/arch/arm/boot/dts/imx7s.dtsi +++ b/arch/arm/boot/dts/imx7s.dtsi @@ -47,6 +47,8 @@ spi1 = &ecspi2; spi2 = &ecspi3; spi3 = &ecspi4; + usb0 = &usbotg1; + usb1 = &usbh; }; cpus { diff --git a/arch/arm/boot/dts/omap3-cm-t3x.dtsi b/arch/arm/boot/dts/omap3-cm-t3x.dtsi index cdb632df152a..11ae18944195 100644 --- a/arch/arm/boot/dts/omap3-cm-t3x.dtsi +++ b/arch/arm/boot/dts/omap3-cm-t3x.dtsi @@ -227,7 +227,7 @@ interrupt-parent = <&gpio2>; interrupts = <25 0>; /* gpio_57 */ - pendown-gpio = <&gpio2 25 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&gpio2 25 GPIO_ACTIVE_LOW>; ti,x-min = /bits/ 16 <0x0>; ti,x-max = /bits/ 16 <0x0fff>; diff --git a/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi b/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi index 3decc2d78a6c..a7f99ae0c1fe 100644 --- a/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi +++ b/arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi @@ -54,7 +54,7 @@ interrupt-parent = <&gpio1>; interrupts = <27 0>; /* gpio_27 */ - pendown-gpio = <&gpio1 27 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&gpio1 27 GPIO_ACTIVE_LOW>; ti,x-min = /bits/ 16 <0x0>; ti,x-max = /bits/ 16 <0x0fff>; diff --git a/arch/arm/boot/dts/omap3-gta04a5one.dts b/arch/arm/boot/dts/omap3-gta04a5one.dts index 9db9fe67cd63..95df45cc70c0 100644 --- a/arch/arm/boot/dts/omap3-gta04a5one.dts +++ b/arch/arm/boot/dts/omap3-gta04a5one.dts @@ -5,9 +5,11 @@ #include "omap3-gta04a5.dts" -&omap3_pmx_core { +/ { model = "Goldelico GTA04A5/Letux 2804 with OneNAND"; +}; +&omap3_pmx_core { gpmc_pins: pinmux_gpmc_pins { pinctrl-single,pins = < diff --git a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi index c22833d4e568..fba69b3f79c2 100644 --- a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi +++ b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi @@ -311,7 +311,7 @@ interrupt-parent = <&gpio1>; interrupts = <8 0>; /* boot6 / gpio_8 */ spi-max-frequency = <1000000>; - pendown-gpio = <&gpio1 8 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&gpio1 8 GPIO_ACTIVE_LOW>; vcc-supply = <®_vcc3>; pinctrl-names = "default"; pinctrl-0 = <&tsc2048_pins>; diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi index 185ce53de0ec..0523a369a4d7 100644 --- a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi +++ b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi @@ -149,7 +149,7 @@ interrupt-parent = <&gpio4>; interrupts = <18 0>; /* gpio_114 */ - pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&gpio4 18 GPIO_ACTIVE_LOW>; ti,x-min = /bits/ 16 <0x0>; ti,x-max = /bits/ 16 <0x0fff>; diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi index 7fe0f9148232..d340eb722f12 100644 --- a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi +++ b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi @@ -160,7 +160,7 @@ interrupt-parent = <&gpio4>; interrupts = <18 0>; /* gpio_114 */ - pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&gpio4 18 GPIO_ACTIVE_LOW>; ti,x-min = /bits/ 16 <0x0>; ti,x-max = /bits/ 16 <0x0fff>; diff --git a/arch/arm/boot/dts/omap3-pandora-common.dtsi b/arch/arm/boot/dts/omap3-pandora-common.dtsi index 150d5be42d27..4ea5656825de 100644 --- a/arch/arm/boot/dts/omap3-pandora-common.dtsi +++ b/arch/arm/boot/dts/omap3-pandora-common.dtsi @@ -651,7 +651,7 @@ pinctrl-0 = <&penirq_pins>; interrupt-parent = <&gpio3>; interrupts = <30 IRQ_TYPE_NONE>; /* GPIO_94 */ - pendown-gpio = <&gpio3 30 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&gpio3 30 GPIO_ACTIVE_LOW>; vcc-supply = <&vaux4>; ti,x-min = /bits/ 16 <0>; diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts b/arch/arm/boot/dts/omap5-cm-t54.dts index e78d3718f145..d38781025eef 100644 --- a/arch/arm/boot/dts/omap5-cm-t54.dts +++ b/arch/arm/boot/dts/omap5-cm-t54.dts @@ -354,7 +354,7 @@ interrupt-parent = <&gpio1>; interrupts = <15 0>; /* gpio1_wk15 */ - pendown-gpio = <&gpio1 15 GPIO_ACTIVE_HIGH>; + pendown-gpio = <&gpio1 15 GPIO_ACTIVE_LOW>; ti,x-min = /bits/ 16 <0x0>; diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi index 338256c59ca5..fc31ee980639 100644 --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi @@ -393,8 +393,8 @@ #address-cells = <3>; #size-cells = <2>; - ranges = <0x81000000 0 0x40200000 0x40200000 0 0x00100000>, - <0x82000000 0 0x40300000 0x40300000 0 0x00d00000>; + ranges = <0x81000000 0x0 0x00000000 0x40200000 0x0 0x00100000>, + <0x82000000 0x0 0x40300000 0x40300000 0x0 0x00d00000>; interrupts = ; interrupt-names = "msi"; diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi index 16c0da97932c..976a8a1fa953 100644 --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi @@ -451,8 +451,8 @@ #address-cells = <3>; #size-cells = <2>; - ranges = <0x81000000 0 0x0fe00000 0x0fe00000 0 0x00100000 /* downstream I/O */ - 0x82000000 0 0x08000000 0x08000000 0 0x07e00000>; /* non-prefetchable memory */ + ranges = <0x81000000 0x0 0x00000000 0x0fe00000 0x0 0x00010000 /* I/O */ + 0x82000000 0x0 0x08000000 0x08000000 0x0 0x07e00000>; /* MEM */ interrupts = ; interrupt-names = "msi"; @@ -502,8 +502,8 @@ #address-cells = <3>; #size-cells = <2>; - ranges = <0x81000000 0 0x31e00000 0x31e00000 0 0x00100000 /* downstream I/O */ - 0x82000000 0 0x2e000000 0x2e000000 0 0x03e00000>; /* non-prefetchable memory */ + ranges = <0x81000000 0x0 0x00000000 0x31e00000 0x0 0x00010000 /* I/O */ + 0x82000000 0x0 0x2e000000 0x2e000000 0x0 0x03e00000>; /* MEM */ interrupts = ; interrupt-names = "msi"; @@ -553,8 +553,8 @@ #address-cells = <3>; #size-cells = <2>; - ranges = <0x81000000 0 0x35e00000 0x35e00000 0 0x00100000 /* downstream I/O */ - 0x82000000 0 0x32000000 0x32000000 0 0x03e00000>; /* non-prefetchable memory */ + ranges = <0x81000000 0x0 0x00000000 0x35e00000 0x0 0x00010000 /* I/O */ + 0x82000000 0x0 0x32000000 0x32000000 0x0 0x03e00000>; /* MEM */ interrupts = ; interrupt-names = "msi"; diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi index 61822afa30ab..cd8f6e7a7f7f 100644 --- a/arch/arm/boot/dts/s5pv210.dtsi +++ b/arch/arm/boot/dts/s5pv210.dtsi @@ -571,7 +571,7 @@ interrupts = <29>; clocks = <&clocks CLK_CSIS>, <&clocks SCLK_CSIS>; - clock-names = "clk_csis", + clock-names = "csis", "sclk_csis"; bus-width = <4>; status = "disabled"; diff --git a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi index 9314128df185..639a6b65749f 100644 --- a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi @@ -284,6 +284,88 @@ slew-rate = <2>; }; }; + + can1_pins_a: can1-0 { + pins1 { + pinmux = ; /* CAN1_TX */ + }; + pins2 { + pinmux = ; /* CAN1_RX */ + bias-pull-up; + }; + }; + + can1_pins_b: can1-1 { + pins1 { + pinmux = ; /* CAN1_TX */ + }; + pins2 { + pinmux = ; /* CAN1_RX */ + bias-pull-up; + }; + }; + + can1_pins_c: can1-2 { + pins1 { + pinmux = ; /* CAN1_TX */ + }; + pins2 { + pinmux = ; /* CAN1_RX */ + bias-pull-up; + + }; + }; + + can1_pins_d: can1-3 { + pins1 { + pinmux = ; /* CAN1_TX */ + }; + pins2 { + pinmux = ; /* CAN1_RX */ + bias-pull-up; + + }; + }; + + can2_pins_a: can2-0 { + pins1 { + pinmux = ; /* CAN2_TX */ + }; + pins2 { + pinmux = ; /* CAN2_RX */ + bias-pull-up; + }; + }; + + can2_pins_b: can2-1 { + pins1 { + pinmux = ; /* CAN2_TX */ + }; + pins2 { + pinmux = ; /* CAN2_RX */ + bias-pull-up; + }; + }; + + can3_pins_a: can3-0 { + pins1 { + pinmux = ; /* CAN3_TX */ + }; + pins2 { + pinmux = ; /* CAN3_RX */ + bias-pull-up; + }; + }; + + can3_pins_b: can3-1 { + pins1 { + pinmux = ; /* CAN3_TX */ + }; + pins2 { + pinmux = ; /* CAN3_RX */ + bias-pull-up; + }; + }; }; }; }; diff --git a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts index d5b47d526f9e..7f1edc3ba6a1 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts @@ -132,6 +132,7 @@ reg = <0x2c0f0000 0x1000>; interrupts = <0 84 4>; cache-level = <2>; + cache-unified; }; pmu { diff --git a/arch/arm/include/asm/bugs.h b/arch/arm/include/asm/bugs.h index 97a312ba0840..fe385551edec 100644 --- a/arch/arm/include/asm/bugs.h +++ b/arch/arm/include/asm/bugs.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* - * arch/arm/include/asm/bugs.h - * * Copyright (C) 1995-2003 Russell King */ #ifndef __ASM_BUGS_H @@ -10,10 +8,8 @@ extern void check_writebuffer_bugs(void); #ifdef CONFIG_MMU -extern void check_bugs(void); extern void check_other_bugs(void); #else -#define check_bugs() do { } while (0) #define check_other_bugs() do { } while (0) #endif diff --git a/arch/arm/kernel/bugs.c b/arch/arm/kernel/bugs.c index 14c8dbbb7d2d..087bce6ec8e9 100644 --- a/arch/arm/kernel/bugs.c +++ b/arch/arm/kernel/bugs.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include +#include #include #include @@ -11,7 +12,7 @@ void check_other_bugs(void) #endif } -void __init check_bugs(void) +void __init arch_cpu_finalize_init(void) { check_writebuffer_bugs(); check_other_bugs(); diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 4574e6aea0a5..f321c2aa94e1 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -300,6 +300,29 @@ static int unwind_exec_pop_subset_r0_to_r3(struct unwind_ctrl_block *ctrl, return URC_OK; } +static unsigned long unwind_decode_uleb128(struct unwind_ctrl_block *ctrl) +{ + unsigned long bytes = 0; + unsigned long insn; + unsigned long result = 0; + + /* + * unwind_get_byte() will advance `ctrl` one instruction at a time, so + * loop until we get an instruction byte where bit 7 is not set. + * + * Note: This decodes a maximum of 4 bytes to output 28 bits data where + * max is 0xfffffff: that will cover a vsp increment of 1073742336, hence + * it is sufficient for unwinding the stack. + */ + do { + insn = unwind_get_byte(ctrl); + result |= (insn & 0x7f) << (bytes * 7); + bytes++; + } while (!!(insn & 0x80) && (bytes != sizeof(result))); + + return result; +} + /* * Execute the current unwind instruction. */ @@ -353,7 +376,7 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl) if (ret) goto error; } else if (insn == 0xb2) { - unsigned long uleb128 = unwind_get_byte(ctrl); + unsigned long uleb128 = unwind_decode_uleb128(ctrl); ctrl->vrs[SP] += 0x204 + (uleb128 << 2); } else { diff --git a/arch/arm/mach-ep93xx/timer-ep93xx.c b/arch/arm/mach-ep93xx/timer-ep93xx.c index de998830f534..b07956883e16 100644 --- a/arch/arm/mach-ep93xx/timer-ep93xx.c +++ b/arch/arm/mach-ep93xx/timer-ep93xx.c @@ -9,6 +9,7 @@ #include #include #include "soc.h" +#include "platform.h" /************************************************************************* * Timer handling for EP93xx @@ -60,7 +61,7 @@ static u64 notrace ep93xx_read_sched_clock(void) return ret; } -u64 ep93xx_clocksource_read(struct clocksource *c) +static u64 ep93xx_clocksource_read(struct clocksource *c) { u64 ret; diff --git a/arch/arm/mach-orion5x/board-dt.c b/arch/arm/mach-orion5x/board-dt.c index 3d36f1d95196..3f651df3a71c 100644 --- a/arch/arm/mach-orion5x/board-dt.c +++ b/arch/arm/mach-orion5x/board-dt.c @@ -63,6 +63,9 @@ static void __init orion5x_dt_init(void) if (of_machine_is_compatible("maxtor,shared-storage-2")) mss2_init(); + if (of_machine_is_compatible("lacie,d2-network")) + d2net_init(); + of_platform_default_populate(NULL, orion5x_auxdata_lookup, NULL); } diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h index eb96009e21c4..b9cfdb456456 100644 --- a/arch/arm/mach-orion5x/common.h +++ b/arch/arm/mach-orion5x/common.h @@ -75,6 +75,12 @@ extern void mss2_init(void); static inline void mss2_init(void) {} #endif +#ifdef CONFIG_MACH_D2NET_DT +void d2net_init(void); +#else +static inline void d2net_init(void) {} +#endif + /***************************************************************************** * Helpers to access Orion registers ****************************************************************************/ diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index d96a101e5504..2f305c7ce1cb 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -653,7 +653,7 @@ static void __init map_sa1100_gpio_regs( void ) */ static void __init get_assabet_scr(void) { - unsigned long uninitialized_var(scr), i; + unsigned long scr, i; GPDR |= 0x3fc; /* Configure GPIO 9:2 as outputs */ GPSR = 0x3fc; /* Write 0xFF to GPIO 9:2 */ diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c index 1dbe98948ce3..9627c4cf3e41 100644 --- a/arch/arm/mach-sa1100/jornada720_ssp.c +++ b/arch/arm/mach-sa1100/jornada720_ssp.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * arch/arm/mac-sa1100/jornada720_ssp.c * * Copyright (C) 2006/2007 Kristoffer Ericson @@ -26,6 +26,7 @@ static unsigned long jornada_ssp_flags; /** * jornada_ssp_reverse - reverses input byte + * @byte: input byte to reverse * * we need to reverse all data we receive from the mcu due to its physical location * returns : 01110111 -> 11101110 @@ -46,6 +47,7 @@ EXPORT_SYMBOL(jornada_ssp_reverse); /** * jornada_ssp_byte - waits for ready ssp bus and sends byte + * @byte: input byte to transmit * * waits for fifo buffer to clear and then transmits, if it doesn't then we will * timeout after rounds. Needs mcu running before its called. @@ -77,6 +79,7 @@ EXPORT_SYMBOL(jornada_ssp_byte); /** * jornada_ssp_inout - decide if input is command or trading byte + * @byte: input byte to send (may be %TXDUMMY) * * returns : (jornada_ssp_byte(byte)) on success * : %-ETIMEDOUT on timeout failure diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index 1fc6c4810a5c..52ff66f004e4 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -799,7 +799,7 @@ static int alignment_get_thumb(struct pt_regs *regs, u16 *ip, u16 *inst) static int do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) { - union offset_union uninitialized_var(offset); + union offset_union offset; unsigned long instrptr; int (*handler)(unsigned long addr, u32 instr, struct pt_regs *regs); unsigned int type; diff --git a/arch/arm/probes/kprobes/checkers-common.c b/arch/arm/probes/kprobes/checkers-common.c index 4d720990cf2a..eba7ac4725c0 100644 --- a/arch/arm/probes/kprobes/checkers-common.c +++ b/arch/arm/probes/kprobes/checkers-common.c @@ -40,7 +40,7 @@ enum probes_insn checker_stack_use_imm_0xx(probes_opcode_t insn, * Different from other insn uses imm8, the real addressing offset of * STRD in T32 encoding should be imm8 * 4. See ARMARM description. */ -enum probes_insn checker_stack_use_t32strd(probes_opcode_t insn, +static enum probes_insn checker_stack_use_t32strd(probes_opcode_t insn, struct arch_probes_insn *asi, const struct decode_header *h) { diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c index 0a783bd4641c..44b5f7dbcc00 100644 --- a/arch/arm/probes/kprobes/core.c +++ b/arch/arm/probes/kprobes/core.c @@ -231,7 +231,7 @@ singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb) * kprobe, and that level is reserved for user kprobe handlers, so we can't * risk encountering a new kprobe in an interrupt handler. */ -void __kprobes kprobe_handler(struct pt_regs *regs) +static void __kprobes kprobe_handler(struct pt_regs *regs) { struct kprobe *p, *cur; struct kprobe_ctlblk *kcb; diff --git a/arch/arm/probes/kprobes/opt-arm.c b/arch/arm/probes/kprobes/opt-arm.c index c78180172120..e20304f1d8bc 100644 --- a/arch/arm/probes/kprobes/opt-arm.c +++ b/arch/arm/probes/kprobes/opt-arm.c @@ -145,8 +145,6 @@ __arch_remove_optimized_kprobe(struct optimized_kprobe *op, int dirty) } } -extern void kprobe_handler(struct pt_regs *regs); - static void optimized_callback(struct optimized_kprobe *op, struct pt_regs *regs) { diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c index c562832b8627..171c7076b89f 100644 --- a/arch/arm/probes/kprobes/test-core.c +++ b/arch/arm/probes/kprobes/test-core.c @@ -720,7 +720,7 @@ static const char coverage_register_lookup[16] = { [REG_TYPE_NOSPPCX] = COVERAGE_ANY_REG | COVERAGE_SP, }; -unsigned coverage_start_registers(const struct decode_header *h) +static unsigned coverage_start_registers(const struct decode_header *h) { unsigned regs = 0; int i; diff --git a/arch/arm/probes/kprobes/test-core.h b/arch/arm/probes/kprobes/test-core.h index 19a5b2add41e..805116c2ec27 100644 --- a/arch/arm/probes/kprobes/test-core.h +++ b/arch/arm/probes/kprobes/test-core.h @@ -453,3 +453,7 @@ void kprobe_thumb32_test_cases(void); #else void kprobe_arm_test_cases(void); #endif + +void __kprobes_test_case_start(void); +void __kprobes_test_case_end_16(void); +void __kprobes_test_case_end_32(void); diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index 2c8c2b322c72..33f1fb9fd161 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -129,7 +129,7 @@ status = "okay"; clock-frequency = <100000>; i2c-sda-falling-time-ns = <890>; /* hcnt */ - i2c-sdl-falling-time-ns = <890>; /* lcnt */ + i2c-scl-falling-time-ns = <890>; /* lcnt */ adc@14 { compatible = "lltc,ltc2497"; diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 301c1c467c0b..bf40500adef7 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -1451,7 +1451,7 @@ }; }; - camss: camss@1b00000 { + camss: camss@1b0ac00 { compatible = "qcom,msm8916-camss"; reg = <0x1b0ac00 0x200>, <0x1b00030 0x4>, diff --git a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi index 73ded80a79ba..1de7891c658c 100644 --- a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi @@ -49,17 +49,14 @@ opp-shared; opp-800000000 { opp-hz = /bits/ 64 <800000000>; - opp-microvolt = <820000>; clock-latency-ns = <300000>; }; opp-1000000000 { opp-hz = /bits/ 64 <1000000000>; - opp-microvolt = <820000>; clock-latency-ns = <300000>; }; opp-1200000000 { opp-hz = /bits/ 64 <1200000000>; - opp-microvolt = <820000>; clock-latency-ns = <300000>; opp-suspend; }; diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi index dabee157119f..82efc8a3627d 100644 --- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi @@ -60,17 +60,14 @@ opp-shared; opp-800000000 { opp-hz = /bits/ 64 <800000000>; - opp-microvolt = <820000>; clock-latency-ns = <300000>; }; opp-1000000000 { opp-hz = /bits/ 64 <1000000000>; - opp-microvolt = <820000>; clock-latency-ns = <300000>; }; opp-1200000000 { opp-hz = /bits/ 64 <1200000000>; - opp-microvolt = <820000>; clock-latency-ns = <300000>; opp-suspend; }; diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi index 202177706cde..df00acb35263 100644 --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi @@ -269,7 +269,7 @@ }; scif1_pins: scif1 { - groups = "scif1_data_b", "scif1_ctrl"; + groups = "scif1_data_b"; function = "scif1"; }; @@ -329,7 +329,6 @@ &scif1 { pinctrl-0 = <&scif1_pins>; pinctrl-names = "default"; - uart-has-rtscts; status = "okay"; }; diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index e223ec19095f..0c1a19d5b812 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -41,7 +41,7 @@ (((midr) & MIDR_IMPLEMENTOR_MASK) >> MIDR_IMPLEMENTOR_SHIFT) #define MIDR_CPU_MODEL(imp, partnum) \ - (((imp) << MIDR_IMPLEMENTOR_SHIFT) | \ + ((_AT(u32, imp) << MIDR_IMPLEMENTOR_SHIFT) | \ (0xf << MIDR_ARCHITECTURE_SHIFT) | \ ((partnum) << MIDR_PARTNUM_SHIFT)) @@ -59,6 +59,7 @@ #define ARM_CPU_IMP_NVIDIA 0x4E #define ARM_CPU_IMP_FUJITSU 0x46 #define ARM_CPU_IMP_HISI 0x48 +#define ARM_CPU_IMP_AMPERE 0xC0 #define ARM_CPU_PART_AEM_V8 0xD0F #define ARM_CPU_PART_FOUNDATION 0xD00 @@ -102,6 +103,8 @@ #define HISI_CPU_PART_TSV110 0xD01 +#define AMPERE_CPU_PART_AMPERE1 0xAC3 + #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53) #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57) #define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72) @@ -133,6 +136,7 @@ #define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL) #define MIDR_FUJITSU_A64FX MIDR_CPU_MODEL(ARM_CPU_IMP_FUJITSU, FUJITSU_CPU_PART_A64FX) #define MIDR_HISI_TSV110 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_TSV110) +#define MIDR_AMPERE1 MIDR_CPU_MODEL(ARM_CPU_IMP_AMPERE, AMPERE_CPU_PART_AMPERE1) /* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */ #define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h index 0253691c4b3a..bd451732a3af 100644 --- a/arch/arm64/include/asm/debug-monitors.h +++ b/arch/arm64/include/asm/debug-monitors.h @@ -116,6 +116,7 @@ void user_regs_reset_single_step(struct user_pt_regs *regs, void kernel_enable_single_step(struct pt_regs *regs); void kernel_disable_single_step(void); int kernel_active_single_step(void); +void kernel_rewind_single_step(struct pt_regs *regs); #ifdef CONFIG_HAVE_HW_BREAKPOINT int reinstall_suspended_bps(struct pt_regs *regs); diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h index 743a1d30bae2..11b8e3b5c4dc 100644 --- a/arch/arm64/include/asm/efi.h +++ b/arch/arm64/include/asm/efi.h @@ -25,7 +25,7 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); ({ \ efi_virtmap_load(); \ __efi_fpsimd_begin(); \ - spin_lock(&efi_rt_lock); \ + raw_spin_lock(&efi_rt_lock); \ }) #define arch_efi_call_virt(p, f, args...) \ @@ -37,12 +37,12 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); #define arch_efi_call_virt_teardown() \ ({ \ - spin_unlock(&efi_rt_lock); \ + raw_spin_unlock(&efi_rt_lock); \ __efi_fpsimd_end(); \ efi_virtmap_unload(); \ }) -extern spinlock_t efi_rt_lock; +extern raw_spinlock_t efi_rt_lock; efi_status_t __efi_rt_asm_wrapper(void *, const char *, ...); #define ARCH_EFI_IRQ_FLAGS_MASK (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index e52056095f55..d4c260928732 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -102,8 +102,14 @@ #define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31) #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2) +#define SYS_DC_IGSW sys_insn(1, 0, 7, 6, 4) +#define SYS_DC_IGDSW sys_insn(1, 0, 7, 6, 6) #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2) +#define SYS_DC_CGSW sys_insn(1, 0, 7, 10, 4) +#define SYS_DC_CGDSW sys_insn(1, 0, 7, 10, 6) #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2) +#define SYS_DC_CIGSW sys_insn(1, 0, 7, 14, 4) +#define SYS_DC_CIGDSW sys_insn(1, 0, 7, 14, 6) #define SYS_OSDTRRX_EL1 sys_reg(2, 0, 0, 0, 2) #define SYS_MDCCINT_EL1 sys_reg(2, 0, 0, 2, 0) diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index b18f307a3c59..342cba2ae982 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -1145,6 +1145,10 @@ u8 spectre_bhb_loop_affected(int scope) MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), {}, }; + static const struct midr_range spectre_bhb_k11_list[] = { + MIDR_ALL_VERSIONS(MIDR_AMPERE1), + {}, + }; static const struct midr_range spectre_bhb_k8_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A72), MIDR_ALL_VERSIONS(MIDR_CORTEX_A57), @@ -1155,6 +1159,8 @@ u8 spectre_bhb_loop_affected(int scope) k = 32; else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k24_list)) k = 24; + else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k11_list)) + k = 11; else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k8_list)) k = 8; diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c index d64a3c1e1b6b..62ab9d4f995e 100644 --- a/arch/arm64/kernel/debug-monitors.c +++ b/arch/arm64/kernel/debug-monitors.c @@ -441,6 +441,11 @@ int kernel_active_single_step(void) } NOKPROBE_SYMBOL(kernel_active_single_step); +void kernel_rewind_single_step(struct pt_regs *regs) +{ + set_regs_spsr_ss(regs); +} + /* ptrace API */ void user_enable_single_step(struct task_struct *task) { diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index ba5358f52e58..4d5e387e2e98 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -144,7 +144,7 @@ asmlinkage efi_status_t efi_handle_corrupted_x18(efi_status_t s, const char *f) return s; } -DEFINE_SPINLOCK(efi_rt_lock); +DEFINE_RAW_SPINLOCK(efi_rt_lock); asmlinkage u64 *efi_rt_stack_top __ro_after_init; diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c index 1a157ca33262..e4e95821b1f6 100644 --- a/arch/arm64/kernel/kgdb.c +++ b/arch/arm64/kernel/kgdb.c @@ -223,6 +223,8 @@ int kgdb_arch_handle_exception(int exception_vector, int signo, */ if (!kernel_active_single_step()) kernel_enable_single_step(linux_regs); + else + kernel_rewind_single_step(linux_regs); err = 0; break; default: diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 44f841e5da14..6f3ababfe4c2 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -407,8 +407,8 @@ static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *re } } -#define VM_FAULT_BADMAP 0x010000 -#define VM_FAULT_BADACCESS 0x020000 +#define VM_FAULT_BADMAP ((__force vm_fault_t)0x010000) +#define VM_FAULT_BADACCESS ((__force vm_fault_t)0x020000) static int __do_page_fault(struct vm_area_struct *vma, unsigned long addr, unsigned int mm_flags, unsigned long vm_flags) diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 15f55443680d..d558a377e3b8 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -407,7 +407,7 @@ void create_pgtable_mapping(phys_addr_t start, phys_addr_t end) static void __init create_mapping_noalloc(phys_addr_t phys, unsigned long virt, phys_addr_t size, pgprot_t prot) { - if ((virt >= PAGE_END) && (virt < VMALLOC_START)) { + if (virt < PAGE_OFFSET) { pr_warn("BUG: not creating mapping for %pa at 0x%016lx - outside kernel range\n", &phys, virt); return; @@ -434,7 +434,7 @@ void __init create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys, static void update_mapping_prot(phys_addr_t phys, unsigned long virt, phys_addr_t size, pgprot_t prot) { - if ((virt >= PAGE_END) && (virt < VMALLOC_START)) { + if (virt < PAGE_OFFSET) { pr_warn("BUG: not updating mapping for %pa at 0x%016lx - outside kernel range\n", &phys, virt); return; diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 6a6036f16abe..72dc0ac46d6b 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -8,6 +8,7 @@ menu "Processor type and features" config IA64 bool + select ARCH_HAS_CPU_FINALIZE_INIT select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select ACPI diff --git a/arch/ia64/include/asm/bugs.h b/arch/ia64/include/asm/bugs.h deleted file mode 100644 index 0d6b9bded56c..000000000000 --- a/arch/ia64/include/asm/bugs.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * This is included by init/main.c to check for architecture-dependent bugs. - * - * Needs: - * void check_bugs(void); - * - * Based on . - * - * Modified 1998, 1999, 2003 - * David Mosberger-Tang , Hewlett-Packard Co. - */ -#ifndef _ASM_IA64_BUGS_H -#define _ASM_IA64_BUGS_H - -#include - -extern void check_bugs (void); - -#endif /* _ASM_IA64_BUGS_H */ diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 968b5f33e725..1a8e20652e7c 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -444,7 +444,7 @@ static void do_copy_task_regs (struct task_struct *task, struct unw_frame_info *info, void *arg) { unsigned long mask, sp, nat_bits = 0, ar_rnat, urbs_end, cfm; - unsigned long uninitialized_var(ip); /* GCC be quiet */ + unsigned long ip; elf_greg_t *dst = arg; struct pt_regs *pt; char nat; diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index b392c0a50346..0ec8b55b28ac 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -581,7 +581,7 @@ static int salinfo_cpu_pre_down(unsigned int cpu) * 'data' contains an integer that corresponds to the feature we're * testing */ -static int proc_salinfo_show(struct seq_file *m, void *v) +static int __maybe_unused proc_salinfo_show(struct seq_file *m, void *v) { unsigned long data = (unsigned long)v; seq_puts(m, (sal_platform_features & data) ? "1\n" : "0\n"); diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index bb320c6d0cc9..6700f066f59c 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -1073,8 +1073,7 @@ cpu_init (void) } } -void __init -check_bugs (void) +void __init arch_cpu_finalize_init(void) { ia64_patch_mckinley_e9((unsigned long) __start___mckinley_e9_bundles, (unsigned long) __end___mckinley_e9_bundles); diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 5b00dc3898e1..f2b40bcd2495 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -81,7 +81,7 @@ skip: return __per_cpu_start + __per_cpu_offset[smp_processor_id()]; } -static inline void +static inline __init void alloc_per_cpu_data(void) { size_t size = PERCPU_PAGE_SIZE * num_possible_cpus(); diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 41d243c0c626..93789f31c89a 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -180,7 +180,7 @@ static void *per_cpu_node_setup(void *cpu_data, int node) void __init setup_per_cpu_areas(void) { struct pcpu_alloc_info *ai; - struct pcpu_group_info *uninitialized_var(gi); + struct pcpu_group_info *gi; unsigned int *cpu_map; void *base; unsigned long base_offset; diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c index 72cc568bc841..71c19918e387 100644 --- a/arch/ia64/mm/tlb.c +++ b/arch/ia64/mm/tlb.c @@ -369,7 +369,7 @@ EXPORT_SYMBOL(flush_tlb_range); void ia64_tlb_init(void) { - ia64_ptce_info_t uninitialized_var(ptce_info); /* GCC be quiet */ + ia64_ptce_info_t ptce_info; u64 tr_pgbits; long status; pal_vm_info_1_u_t vm_info_1; diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 6663f1741798..d84a6a63d36a 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -4,6 +4,7 @@ config M68K default y select ARCH_32BIT_OFF_T select ARCH_HAS_BINFMT_FLAT + select ARCH_HAS_CPU_FINALIZE_INIT if MMU select ARCH_HAS_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA select ARCH_MIGHT_HAVE_PC_PARPORT if ISA diff --git a/arch/m68k/include/asm/bugs.h b/arch/m68k/include/asm/bugs.h deleted file mode 100644 index 745530651e0b..000000000000 --- a/arch/m68k/include/asm/bugs.h +++ /dev/null @@ -1,21 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * include/asm-m68k/bugs.h - * - * Copyright (C) 1994 Linus Torvalds - */ - -/* - * This is included by init/main.c to check for architecture-dependent bugs. - * - * Needs: - * void check_bugs(void); - */ - -#ifdef CONFIG_MMU -extern void check_bugs(void); /* in arch/m68k/kernel/setup.c */ -#else -static void check_bugs(void) -{ -} -#endif diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index 528484feff80..a9ef8b6b01bc 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -10,6 +10,7 @@ */ #include +#include #include #include #include @@ -527,7 +528,7 @@ static int __init proc_hardware_init(void) module_init(proc_hardware_init); #endif -void check_bugs(void) +void __init arch_cpu_finalize_init(void) { #if defined(CONFIG_FPU) && !defined(CONFIG_M68KFPU_EMU) if (m68k_fputype == 0) { diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index f7121b775e5f..ab5fec67e541 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -883,11 +883,17 @@ static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs * } static inline void __user * -get_sigframe(struct ksignal *ksig, size_t frame_size) +get_sigframe(struct ksignal *ksig, struct pt_regs *tregs, size_t frame_size) { unsigned long usp = sigsp(rdusp(), ksig); + unsigned long gap = 0; - return (void __user *)((usp - frame_size) & -8UL); + if (CPU_IS_020_OR_030 && tregs->format == 0xb) { + /* USP is unreliable so use worst-case value */ + gap = 256; + } + + return (void __user *)((usp - gap - frame_size) & -8UL); } static int setup_frame(struct ksignal *ksig, sigset_t *set, @@ -905,7 +911,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, return -EFAULT; } - frame = get_sigframe(ksig, sizeof(*frame) + fsize); + frame = get_sigframe(ksig, tregs, sizeof(*frame) + fsize); if (fsize) err |= copy_to_user (frame + 1, regs + 1, fsize); @@ -976,7 +982,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, return -EFAULT; } - frame = get_sigframe(ksig, sizeof(*frame)); + frame = get_sigframe(ksig, tregs, sizeof(*frame)); if (fsize) err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize); diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 2811ecc1f3c7..a353d1d1b457 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -5,6 +5,7 @@ config MIPS select ARCH_32BIT_OFF_T if !64BIT select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT select ARCH_CLOCKSOURCE_DATA + select ARCH_HAS_CPU_FINALIZE_INIT select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_SUPPORTS_UPROBES diff --git a/arch/mips/alchemy/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c index 4ca2c28878e0..e9ee9ab90a0c 100644 --- a/arch/mips/alchemy/common/dbdma.c +++ b/arch/mips/alchemy/common/dbdma.c @@ -30,6 +30,7 @@ * */ +#include /* for dma_default_coherent */ #include #include #include @@ -623,17 +624,18 @@ u32 au1xxx_dbdma_put_source(u32 chanid, dma_addr_t buf, int nbytes, u32 flags) dp->dscr_cmd0 &= ~DSCR_CMD0_IE; /* - * There is an errata on the Au1200/Au1550 parts that could result - * in "stale" data being DMA'ed. It has to do with the snoop logic on - * the cache eviction buffer. DMA_NONCOHERENT is on by default for - * these parts. If it is fixed in the future, these dma_cache_inv will - * just be nothing more than empty macros. See io.h. + * There is an erratum on certain Au1200/Au1550 revisions that could + * result in "stale" data being DMA'ed. It has to do with the snoop + * logic on the cache eviction buffer. dma_default_coherent is set + * to false on these parts. */ - dma_cache_wback_inv((unsigned long)buf, nbytes); + if (!dma_default_coherent) + dma_cache_wback_inv(KSEG0ADDR(buf), nbytes); dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ wmb(); /* drain writebuffer */ dma_cache_wback_inv((unsigned long)dp, sizeof(*dp)); ctp->chan_ptr->ddma_dbell = 0; + wmb(); /* force doorbell write out to dma engine */ /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); @@ -685,17 +687,18 @@ u32 au1xxx_dbdma_put_dest(u32 chanid, dma_addr_t buf, int nbytes, u32 flags) dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1); #endif /* - * There is an errata on the Au1200/Au1550 parts that could result in - * "stale" data being DMA'ed. It has to do with the snoop logic on the - * cache eviction buffer. DMA_NONCOHERENT is on by default for these - * parts. If it is fixed in the future, these dma_cache_inv will just - * be nothing more than empty macros. See io.h. + * There is an erratum on certain Au1200/Au1550 revisions that could + * result in "stale" data being DMA'ed. It has to do with the snoop + * logic on the cache eviction buffer. dma_default_coherent is set + * to false on these parts. */ - dma_cache_inv((unsigned long)buf, nbytes); + if (!dma_default_coherent) + dma_cache_inv(KSEG0ADDR(buf), nbytes); dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ wmb(); /* drain writebuffer */ dma_cache_wback_inv((unsigned long)dp, sizeof(*dp)); ctp->chan_ptr->ddma_dbell = 0; + wmb(); /* force doorbell write out to dma engine */ /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); diff --git a/arch/mips/configs/decstation_64_defconfig b/arch/mips/configs/decstation_64_defconfig index 85f1955b4b00..4a81297e21a7 100644 --- a/arch/mips/configs/decstation_64_defconfig +++ b/arch/mips/configs/decstation_64_defconfig @@ -53,8 +53,6 @@ CONFIG_IPV6_SUBTREES=y CONFIG_NETWORK_SECMARK=y CONFIG_IP_SCTP=m CONFIG_VLAN_8021Q=m -CONFIG_DECNET=m -CONFIG_DECNET_ROUTER=y # CONFIG_WIRELESS is not set # CONFIG_UEVENT_HELPER is not set # CONFIG_FW_LOADER is not set diff --git a/arch/mips/configs/decstation_defconfig b/arch/mips/configs/decstation_defconfig index 30a6eafdb1d0..fd35454bae4c 100644 --- a/arch/mips/configs/decstation_defconfig +++ b/arch/mips/configs/decstation_defconfig @@ -49,8 +49,6 @@ CONFIG_IPV6_SUBTREES=y CONFIG_NETWORK_SECMARK=y CONFIG_IP_SCTP=m CONFIG_VLAN_8021Q=m -CONFIG_DECNET=m -CONFIG_DECNET_ROUTER=y # CONFIG_WIRELESS is not set # CONFIG_UEVENT_HELPER is not set # CONFIG_FW_LOADER is not set diff --git a/arch/mips/configs/decstation_r4k_defconfig b/arch/mips/configs/decstation_r4k_defconfig index e2b58dbf4aa9..7ed8f4c7cbdd 100644 --- a/arch/mips/configs/decstation_r4k_defconfig +++ b/arch/mips/configs/decstation_r4k_defconfig @@ -48,8 +48,6 @@ CONFIG_IPV6_SUBTREES=y CONFIG_NETWORK_SECMARK=y CONFIG_IP_SCTP=m CONFIG_VLAN_8021Q=m -CONFIG_DECNET=m -CONFIG_DECNET_ROUTER=y # CONFIG_WIRELESS is not set # CONFIG_UEVENT_HELPER is not set # CONFIG_FW_LOADER is not set diff --git a/arch/mips/configs/gpr_defconfig b/arch/mips/configs/gpr_defconfig index 9085f4d6c698..5b9b59a8fe68 100644 --- a/arch/mips/configs/gpr_defconfig +++ b/arch/mips/configs/gpr_defconfig @@ -69,7 +69,6 @@ CONFIG_IP_NF_RAW=m CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m -CONFIG_DECNET_NF_GRABULATOR=m CONFIG_BRIDGE_NF_EBTABLES=m CONFIG_BRIDGE_EBT_BROUTE=m CONFIG_BRIDGE_EBT_T_FILTER=m @@ -99,7 +98,6 @@ CONFIG_ATM_MPOA=m CONFIG_ATM_BR2684=m CONFIG_BRIDGE=m CONFIG_VLAN_8021Q=m -CONFIG_DECNET=m CONFIG_LLC2=m CONFIG_ATALK=m CONFIG_DEV_APPLETALK=m diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig index 982b990469af..1767f494a5b0 100644 --- a/arch/mips/configs/jazz_defconfig +++ b/arch/mips/configs/jazz_defconfig @@ -106,7 +106,6 @@ CONFIG_IP6_NF_FILTER=m CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m -CONFIG_DECNET_NF_GRABULATOR=m CONFIG_BRIDGE_NF_EBTABLES=m CONFIG_BRIDGE_EBT_BROUTE=m CONFIG_BRIDGE_EBT_T_FILTER=m @@ -127,7 +126,6 @@ CONFIG_BRIDGE_EBT_REDIRECT=m CONFIG_BRIDGE_EBT_SNAT=m CONFIG_BRIDGE_EBT_LOG=m CONFIG_BRIDGE=m -CONFIG_DECNET=m CONFIG_NET_SCHED=y CONFIG_NET_SCH_CBQ=m CONFIG_NET_SCH_HTB=m diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig index 914af125a7fa..d6578536d77c 100644 --- a/arch/mips/configs/mtx1_defconfig +++ b/arch/mips/configs/mtx1_defconfig @@ -117,7 +117,6 @@ CONFIG_IP6_NF_FILTER=m CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m -CONFIG_DECNET_NF_GRABULATOR=m CONFIG_BRIDGE_NF_EBTABLES=m CONFIG_BRIDGE_EBT_BROUTE=m CONFIG_BRIDGE_EBT_T_FILTER=m @@ -147,7 +146,6 @@ CONFIG_ATM_MPOA=m CONFIG_ATM_BR2684=m CONFIG_BRIDGE=m CONFIG_VLAN_8021Q=m -CONFIG_DECNET=m CONFIG_LLC2=m CONFIG_ATALK=m CONFIG_DEV_APPLETALK=m diff --git a/arch/mips/configs/nlm_xlp_defconfig b/arch/mips/configs/nlm_xlp_defconfig index 72a211d2d556..45421a05bb0e 100644 --- a/arch/mips/configs/nlm_xlp_defconfig +++ b/arch/mips/configs/nlm_xlp_defconfig @@ -200,7 +200,6 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m CONFIG_IP6_NF_SECURITY=m -CONFIG_DECNET_NF_GRABULATOR=m CONFIG_BRIDGE_NF_EBTABLES=m CONFIG_BRIDGE_EBT_BROUTE=m CONFIG_BRIDGE_EBT_T_FILTER=m @@ -234,7 +233,6 @@ CONFIG_ATM_BR2684=m CONFIG_BRIDGE=m CONFIG_VLAN_8021Q=m CONFIG_VLAN_8021Q_GVRP=y -CONFIG_DECNET=m CONFIG_LLC2=m CONFIG_ATALK=m CONFIG_DEV_APPLETALK=m diff --git a/arch/mips/configs/nlm_xlr_defconfig b/arch/mips/configs/nlm_xlr_defconfig index 4ecb157e56d4..1081972c81da 100644 --- a/arch/mips/configs/nlm_xlr_defconfig +++ b/arch/mips/configs/nlm_xlr_defconfig @@ -198,7 +198,6 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m CONFIG_IP6_NF_SECURITY=m -CONFIG_DECNET_NF_GRABULATOR=m CONFIG_BRIDGE_NF_EBTABLES=m CONFIG_BRIDGE_EBT_BROUTE=m CONFIG_BRIDGE_EBT_T_FILTER=m @@ -232,7 +231,6 @@ CONFIG_ATM_BR2684=m CONFIG_BRIDGE=m CONFIG_VLAN_8021Q=m CONFIG_VLAN_8021Q_GVRP=y -CONFIG_DECNET=m CONFIG_LLC2=m CONFIG_ATALK=m CONFIG_DEV_APPLETALK=m diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig index 30d7c3db884e..2d0506159dfa 100644 --- a/arch/mips/configs/rm200_defconfig +++ b/arch/mips/configs/rm200_defconfig @@ -116,7 +116,6 @@ CONFIG_IP6_NF_FILTER=m CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m -CONFIG_DECNET_NF_GRABULATOR=m CONFIG_BRIDGE_NF_EBTABLES=m CONFIG_BRIDGE_EBT_BROUTE=m CONFIG_BRIDGE_EBT_T_FILTER=m @@ -137,7 +136,6 @@ CONFIG_BRIDGE_EBT_REDIRECT=m CONFIG_BRIDGE_EBT_SNAT=m CONFIG_BRIDGE_EBT_LOG=m CONFIG_BRIDGE=m -CONFIG_DECNET=m CONFIG_NET_SCHED=y CONFIG_NET_SCH_CBQ=m CONFIG_NET_SCH_HTB=m diff --git a/arch/mips/fw/lib/cmdline.c b/arch/mips/fw/lib/cmdline.c index 6ecda64ad184..ed88abc40513 100644 --- a/arch/mips/fw/lib/cmdline.c +++ b/arch/mips/fw/lib/cmdline.c @@ -51,7 +51,7 @@ char *fw_getenv(char *envname) { char *result = NULL; - if (_fw_envp != NULL) { + if (_fw_envp != NULL && fw_envp(0) != NULL) { /* * Return a pointer to the given environment variable. * YAMON uses "name", "value" pairs, while U-Boot uses diff --git a/arch/mips/include/asm/bugs.h b/arch/mips/include/asm/bugs.h index d8ab8b7129b5..6d04d7d3a8f2 100644 --- a/arch/mips/include/asm/bugs.h +++ b/arch/mips/include/asm/bugs.h @@ -1,17 +1,11 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * This is included by init/main.c to check for architecture-dependent bugs. - * * Copyright (C) 2007 Maciej W. Rozycki - * - * Needs: - * void check_bugs(void); */ #ifndef _ASM_BUGS_H #define _ASM_BUGS_H #include -#include #include #include @@ -31,17 +25,6 @@ static inline void check_bugs_early(void) #endif } -static inline void check_bugs(void) -{ - unsigned int cpu = smp_processor_id(); - - cpu_data[cpu].udelay_val = loops_per_jiffy; - check_bugs32(); -#ifdef CONFIG_64BIT - check_bugs64(); -#endif -} - static inline int r4k_daddiu_bug(void) { #ifdef CONFIG_64BIT diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 82e44b31aad5..1c4114f8f9aa 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -11,6 +11,8 @@ * Copyright (C) 2000, 2001, 2002, 2007 Maciej W. Rozycki */ #include +#include +#include #include #include #include @@ -190,10 +192,6 @@ static unsigned long __init init_initrd(void) pr_err("initrd start must be page aligned\n"); goto disable; } - if (initrd_start < PAGE_OFFSET) { - pr_err("initrd start < PAGE_OFFSET\n"); - goto disable; - } /* * Sanitize initrd addresses. For example firmware @@ -206,6 +204,11 @@ static unsigned long __init init_initrd(void) initrd_end = (unsigned long)__va(end); initrd_start = (unsigned long)__va(__pa(initrd_start)); + if (initrd_start < PAGE_OFFSET) { + pr_err("initrd start < PAGE_OFFSET\n"); + goto disable; + } + ROOT_DEV = Root_RAM0; return PFN_UP(end); disable: @@ -811,3 +814,14 @@ static int __init setnocoherentio(char *str) } early_param("nocoherentio", setnocoherentio); #endif + +void __init arch_cpu_finalize_init(void) +{ + unsigned int cpu = smp_processor_id(); + + cpu_data[cpu].udelay_val = loops_per_jiffy; + check_bugs32(); + + if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64)) + check_bugs64(); +} diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c index 83ed37298e66..0ba6f746485f 100644 --- a/arch/mips/lib/dump_tlb.c +++ b/arch/mips/lib/dump_tlb.c @@ -80,7 +80,7 @@ static void dump_tlb(int first, int last) unsigned int pagemask, guestctl1 = 0, c0, c1, i; unsigned long asidmask = cpu_asid_mask(¤t_cpu_data); int asidwidth = DIV_ROUND_UP(ilog2(asidmask) + 1, 4); - unsigned long uninitialized_var(s_mmid); + unsigned long s_mmid; #ifdef CONFIG_32BIT bool xpa = cpu_has_xpa && (read_c0_pagegrain() & PG_ELPA); int pwidth = xpa ? 11 : 8; diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 090fa653dfa9..a73899933505 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -84,7 +84,7 @@ void setup_zero_pages(void) static void *__kmap_pgprot(struct page *page, unsigned long addr, pgprot_t prot) { enum fixed_addresses idx; - unsigned int uninitialized_var(old_mmid); + unsigned int old_mmid; unsigned long vaddr, flags, entrylo; unsigned long old_ctx; pte_t pte; diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index 60046445122b..b6104d9413e0 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -120,7 +120,7 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, if (size <= (current_cpu_data.tlbsizeftlbsets ? current_cpu_data.tlbsize / 8 : current_cpu_data.tlbsize / 2)) { - unsigned long old_entryhi, uninitialized_var(old_mmid); + unsigned long old_entryhi, old_mmid; int newpid = cpu_asid(cpu, mm); old_entryhi = read_c0_entryhi(); @@ -214,7 +214,7 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) int cpu = smp_processor_id(); if (cpu_context(cpu, vma->vm_mm) != 0) { - unsigned long uninitialized_var(old_mmid); + unsigned long old_mmid; unsigned long flags, old_entryhi; int idx; @@ -381,7 +381,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1, #ifdef CONFIG_XPA panic("Broken for XPA kernels"); #else - unsigned int uninitialized_var(old_mmid); + unsigned int old_mmid; unsigned long flags; unsigned long wired; unsigned long old_pagemask; diff --git a/arch/nios2/boot/dts/10m50_devboard.dts b/arch/nios2/boot/dts/10m50_devboard.dts index 5e4ab032c1e8..4088cb08726b 100644 --- a/arch/nios2/boot/dts/10m50_devboard.dts +++ b/arch/nios2/boot/dts/10m50_devboard.dts @@ -97,7 +97,7 @@ rx-fifo-depth = <8192>; tx-fifo-depth = <8192>; address-bits = <48>; - max-frame-size = <1518>; + max-frame-size = <1500>; local-mac-address = [00 00 00 00 00 00]; altr,has-supplementary-unicast; altr,enable-sup-addr = <1>; diff --git a/arch/nios2/boot/dts/3c120_devboard.dts b/arch/nios2/boot/dts/3c120_devboard.dts index d10fb81686c7..3ee316906379 100644 --- a/arch/nios2/boot/dts/3c120_devboard.dts +++ b/arch/nios2/boot/dts/3c120_devboard.dts @@ -106,7 +106,7 @@ interrupt-names = "rx_irq", "tx_irq"; rx-fifo-depth = <8192>; tx-fifo-depth = <8192>; - max-frame-size = <1518>; + max-frame-size = <1500>; local-mac-address = [ 00 00 00 00 00 00 ]; phy-mode = "rgmii-id"; phy-handle = <&phy0>; diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S index 6b27cf4a0d78..8db433947d39 100644 --- a/arch/openrisc/kernel/entry.S +++ b/arch/openrisc/kernel/entry.S @@ -173,7 +173,6 @@ handler: ;\ l.sw PT_GPR28(r1),r28 ;\ l.sw PT_GPR29(r1),r29 ;\ /* r30 already save */ ;\ -/* l.sw PT_GPR30(r1),r30*/ ;\ l.sw PT_GPR31(r1),r31 ;\ TRACE_IRQS_OFF_ENTRY ;\ /* Store -1 in orig_gpr11 for non-syscall exceptions */ ;\ @@ -211,9 +210,8 @@ handler: ;\ l.sw PT_GPR27(r1),r27 ;\ l.sw PT_GPR28(r1),r28 ;\ l.sw PT_GPR29(r1),r29 ;\ - /* r31 already saved */ ;\ - l.sw PT_GPR30(r1),r30 ;\ -/* l.sw PT_GPR31(r1),r31 */ ;\ + /* r30 already saved */ ;\ + l.sw PT_GPR31(r1),r31 ;\ /* Store -1 in orig_gpr11 for non-syscall exceptions */ ;\ l.addi r30,r0,-1 ;\ l.sw PT_ORIG_GPR11(r1),r30 ;\ diff --git a/arch/parisc/include/asm/bugs.h b/arch/parisc/include/asm/bugs.h deleted file mode 100644 index 0a7f9db6bd1c..000000000000 --- a/arch/parisc/include/asm/bugs.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * include/asm-parisc/bugs.h - * - * Copyright (C) 1999 Mike Shaver - */ - -/* - * This is included by init/main.c to check for architecture-dependent bugs. - * - * Needs: - * void check_bugs(void); - */ - -#include - -static inline void check_bugs(void) -{ -// identify_cpu(&boot_cpu_data); -} diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index 0c83644bfa5c..b4076ac51005 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -57,6 +57,11 @@ extern void flush_dcache_page(struct page *page); #define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages) #define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages) +#define flush_dcache_mmap_lock_irqsave(mapping, flags) \ + xa_lock_irqsave(&mapping->i_pages, flags) +#define flush_dcache_mmap_unlock_irqrestore(mapping, flags) \ + xa_unlock_irqrestore(&mapping->i_pages, flags) + #define flush_icache_page(vma,page) do { \ flush_kernel_dcache_page(page); \ diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index a82b3eaa5398..fd84789b5ca4 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -328,6 +328,7 @@ void flush_dcache_page(struct page *page) struct vm_area_struct *mpnt; unsigned long offset; unsigned long addr, old_addr = 0; + unsigned long flags; pgoff_t pgoff; if (mapping && !mapping_mapped(mapping)) { @@ -347,7 +348,7 @@ void flush_dcache_page(struct page *page) * declared as MAP_PRIVATE or MAP_SHARED), so we only need * to flush one address here for them all to become coherent */ - flush_dcache_mmap_lock(mapping); + flush_dcache_mmap_lock_irqsave(mapping, flags); vma_interval_tree_foreach(mpnt, &mapping->i_mmap, pgoff, pgoff) { offset = (pgoff - mpnt->vm_pgoff) << PAGE_SHIFT; addr = mpnt->vm_start + offset; @@ -370,7 +371,7 @@ void flush_dcache_page(struct page *page) old_addr = addr; } } - flush_dcache_mmap_unlock(mapping); + flush_dcache_mmap_unlock_irqrestore(mapping, flags); } EXPORT_SYMBOL(flush_dcache_page); diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index a60d47fd4d55..1621f678aa05 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -442,13 +442,29 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr, void arch_sync_dma_for_device(phys_addr_t paddr, size_t size, enum dma_data_direction dir) { + /* + * fdc: The data cache line is written back to memory, if and only if + * it is dirty, and then invalidated from the data cache. + */ flush_kernel_dcache_range((unsigned long)phys_to_virt(paddr), size); } void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size, enum dma_data_direction dir) { - flush_kernel_dcache_range((unsigned long)phys_to_virt(paddr), size); + unsigned long addr = (unsigned long) phys_to_virt(paddr); + + switch (dir) { + case DMA_TO_DEVICE: + case DMA_BIDIRECTIONAL: + flush_kernel_dcache_range(addr, size); + return; + case DMA_FROM_DEVICE: + purge_kernel_dcache_range_asm(addr, addr + size); + return; + default: + BUG(); + } } void arch_dma_cache_sync(struct device *dev, void *vaddr, size_t size, diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 230a6422b99f..0e67ab681b4e 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -124,13 +124,18 @@ void machine_power_off(void) /* It seems we have no way to power the system off via * software. The user has to press the button himself. */ - printk(KERN_EMERG "System shut down completed.\n" - "Please power this system off now."); + printk("Power off or press RETURN to reboot.\n"); /* prevent soft lockup/stalled CPU messages for endless loop. */ rcu_sysrq_start(); lockup_detector_soft_poweroff(); - for (;;); + while (1) { + /* reboot if user presses RETURN key */ + if (pdc_iodc_getc() == 13) { + printk("Rebooting...\n"); + machine_restart(NULL); + } + } } void (*pm_power_off)(void); diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S index 2b16d8d6598f..c37010a13586 100644 --- a/arch/parisc/kernel/real2.S +++ b/arch/parisc/kernel/real2.S @@ -248,9 +248,6 @@ ENTRY_CFI(real64_call_asm) /* save fn */ copy %arg2, %r31 - /* set up the new ap */ - ldo 64(%arg1), %r29 - /* load up the arg registers from the saved arg area */ /* 32-bit calling convention passes first 4 args in registers */ ldd 0*REG_SZ(%arg1), %arg0 /* note overwriting arg0 */ @@ -262,7 +259,9 @@ ENTRY_CFI(real64_call_asm) ldd 7*REG_SZ(%arg1), %r19 ldd 1*REG_SZ(%arg1), %arg1 /* do this one last! */ + /* set up real-mode stack and real-mode ap */ tophys_r1 %sp + ldo -16(%sp), %r29 /* Reference param save area */ b,l rfi_virt2real,%r2 nop diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 37988f7f3abc..10776991296a 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -305,8 +305,8 @@ static void handle_break(struct pt_regs *regs) #endif #ifdef CONFIG_KGDB - if (unlikely(iir == PARISC_KGDB_COMPILED_BREAK_INSN || - iir == PARISC_KGDB_BREAK_INSN)) { + if (unlikely((iir == PARISC_KGDB_COMPILED_BREAK_INSN || + iir == PARISC_KGDB_BREAK_INSN)) && !user_mode(regs)) { kgdb_handle_exception(9, SIGTRAP, 0, regs); return; } diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 2ca9114fcf00..0c8436b06c49 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -234,7 +234,7 @@ config PPC_EARLY_DEBUG_40x config PPC_EARLY_DEBUG_CPM bool "Early serial debugging for Freescale CPM-based serial ports" - depends on SERIAL_CPM + depends on SERIAL_CPM=y help Select this to enable early debugging for Freescale chips using a CPM-based serial port. This assumes that the bootwrapper diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 6c32ea6dc755..77649f4cc945 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -425,3 +425,11 @@ checkbin: echo -n '*** Please use a different binutils version.' ; \ false ; \ fi + @if test "x${CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT}" = "xy" -a \ + "x${CONFIG_LD_IS_BFD}" = "xy" -a \ + "${CONFIG_LD_VERSION}" = "23700" ; then \ + echo -n '*** binutils 2.37 drops unused section symbols, which recordmcount ' ; \ + echo 'is unable to handle.' ; \ + echo '*** Please use a different binutils version.' ; \ + false ; \ + fi diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig index 682d68f39c2b..b75b62b094b5 100644 --- a/arch/powerpc/configs/ppc6xx_defconfig +++ b/arch/powerpc/configs/ppc6xx_defconfig @@ -253,8 +253,6 @@ CONFIG_ATM_LANE=m CONFIG_ATM_BR2684=m CONFIG_BRIDGE=m CONFIG_VLAN_8021Q=m -CONFIG_DECNET=m -CONFIG_DECNET_ROUTER=y CONFIG_IPX=m CONFIG_ATALK=m CONFIG_DEV_APPLETALK=m diff --git a/arch/powerpc/include/asm/bugs.h b/arch/powerpc/include/asm/bugs.h deleted file mode 100644 index 01b8f6ca4dbb..000000000000 --- a/arch/powerpc/include/asm/bugs.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -#ifndef _ASM_POWERPC_BUGS_H -#define _ASM_POWERPC_BUGS_H - -/* - */ - -/* - * This file is included by 'init/main.c' to check for - * architecture-dependent bugs. - */ - -static inline void check_bugs(void) { } - -#endif /* _ASM_POWERPC_BUGS_H */ diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h index f3f4710d4ff5..99129b0cd8b8 100644 --- a/arch/powerpc/include/asm/word-at-a-time.h +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -34,7 +34,7 @@ static inline long find_zero(unsigned long mask) return leading_zero_bits >> 3; } -static inline bool has_zero(unsigned long val, unsigned long *data, const struct word_at_a_time *c) +static inline unsigned long has_zero(unsigned long val, unsigned long *data, const struct word_at_a_time *c) { unsigned long rhs = val | c->low_bits; *data = rhs; diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index ee810df7d522..0793579f2bb9 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -398,7 +398,7 @@ static char *__fetch_rtas_last_error(char *altbuf) buf = kmalloc(RTAS_ERROR_LOG_MAX, GFP_ATOMIC); } if (buf) - memcpy(buf, rtas_err_buf, RTAS_ERROR_LOG_MAX); + memmove(buf, rtas_err_buf, RTAS_ERROR_LOG_MAX); } return buf; diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index 9d7344835469..25f1aaf78026 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -31,7 +31,7 @@ unsigned long __kvmhv_copy_tofrom_guest_radix(int lpid, int pid, gva_t eaddr, void *to, void *from, unsigned long n) { - int uninitialized_var(old_pid), old_lpid; + int old_pid, old_lpid; unsigned long quadrant, ret = n; bool is_load = !!to; diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index bdcb07a98cd3..dc8f3fb02ac2 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -1018,8 +1018,8 @@ void radix__ptep_set_access_flags(struct vm_area_struct *vma, pte_t *ptep, pte_t entry, unsigned long address, int psize) { struct mm_struct *mm = vma->vm_mm; - unsigned long set = pte_val(entry) & (_PAGE_DIRTY | _PAGE_ACCESSED | - _PAGE_RW | _PAGE_EXEC); + unsigned long set = pte_val(entry) & (_PAGE_DIRTY | _PAGE_SOFT_DIRTY | + _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC); unsigned long change = pte_val(entry) ^ pte_val(*ptep); /* diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 210f1c28b8e4..cfb97fabd532 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -178,7 +178,7 @@ static bool altmap_cross_boundary(struct vmem_altmap *altmap, unsigned long star unsigned long nr_pfn = page_size / sizeof(struct page); unsigned long start_pfn = page_to_pfn((struct page *)start); - if ((start_pfn + nr_pfn) > altmap->end_pfn) + if ((start_pfn + nr_pfn - 1) > altmap->end_pfn) return true; if (start_pfn < altmap->base_pfn) @@ -279,8 +279,7 @@ void __ref vmemmap_free(unsigned long start, unsigned long end, start = _ALIGN_DOWN(start, page_size); if (altmap) { alt_start = altmap->base_pfn; - alt_end = altmap->base_pfn + altmap->reserve + - altmap->free + altmap->alloc + altmap->align; + alt_end = altmap->base_pfn + altmap->reserve + altmap->free; } pr_debug("vmemmap_free %lx...%lx\n", start, end); diff --git a/arch/powerpc/platforms/512x/clock-commonclk.c b/arch/powerpc/platforms/512x/clock-commonclk.c index 30342b60aa63..42c3d40355d9 100644 --- a/arch/powerpc/platforms/512x/clock-commonclk.c +++ b/arch/powerpc/platforms/512x/clock-commonclk.c @@ -984,7 +984,7 @@ static void mpc5121_clk_provide_migration_support(void) #define NODE_PREP do { \ of_address_to_resource(np, 0, &res); \ - snprintf(devname, sizeof(devname), "%08x.%s", res.start, np->name); \ + snprintf(devname, sizeof(devname), "%pa.%s", &res.start, np->name); \ } while (0) #define NODE_CHK(clkname, clkitem, regnode, regflag) do { \ diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index fc98912f42cf..76a8102bdb98 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -340,7 +340,7 @@ static int mpc52xx_irqhost_map(struct irq_domain *h, unsigned int virq, { int l1irq; int l2irq; - struct irq_chip *uninitialized_var(irqchip); + struct irq_chip *irqchip; void *hndlr; int type; u32 reg; diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c index d39a9213a3e6..7dd2e2f97aae 100644 --- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c +++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c @@ -144,7 +144,7 @@ static struct irq_domain * __init flipper_pic_init(struct device_node *np) } io_base = ioremap(res.start, resource_size(&res)); - pr_info("controller at 0x%08x mapped to 0x%p\n", res.start, io_base); + pr_info("controller at 0x%pa mapped to 0x%p\n", &res.start, io_base); __flipper_quiesce(io_base); diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index de10c13de15c..c6b492ebb766 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -173,7 +173,7 @@ static struct irq_domain *hlwd_pic_init(struct device_node *np) return NULL; } - pr_info("controller at 0x%08x mapped to 0x%p\n", res.start, io_base); + pr_info("controller at 0x%pa mapped to 0x%p\n", &res.start, io_base); __hlwd_quiesce(io_base); diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c index 67e48b0a164e..c691453dfd3f 100644 --- a/arch/powerpc/platforms/embedded6xx/wii.c +++ b/arch/powerpc/platforms/embedded6xx/wii.c @@ -89,8 +89,8 @@ static void __iomem *wii_ioremap_hw_regs(char *name, char *compatible) hw_regs = ioremap(res.start, resource_size(&res)); if (hw_regs) { - pr_info("%s at 0x%08x mapped to 0x%p\n", name, - res.start, hw_regs); + pr_info("%s at 0x%pa mapped to 0x%p\n", name, + &res.start, hw_regs); } out_put: diff --git a/arch/powerpc/purgatory/Makefile b/arch/powerpc/purgatory/Makefile index 7c6d8b14f440..1f5fb3a8a1bc 100644 --- a/arch/powerpc/purgatory/Makefile +++ b/arch/powerpc/purgatory/Makefile @@ -4,6 +4,11 @@ KASAN_SANITIZE := n targets += trampoline.o purgatory.ro kexec-purgatory.c +# When profile-guided optimization is enabled, llvm emits two different +# overlapping text sections, which is not supported by kexec. Remove profile +# optimization flags. +KBUILD_CFLAGS := $(filter-out -fprofile-sample-use=% -fprofile-use=%,$(KBUILD_CFLAGS)) + LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined $(obj)/purgatory.ro: $(obj)/trampoline.o FORCE diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index 49f9541954f8..3664ffcbb313 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -216,9 +216,8 @@ int __init tsi108_setup_pci(struct device_node *dev, u32 cfg_phys, int primary) (hose)->ops = &tsi108_direct_pci_ops; - printk(KERN_INFO "Found tsi108 PCI host bridge at 0x%08x. " - "Firmware bus number: %d->%d\n", - rsrc.start, hose->first_busno, hose->last_busno); + pr_info("Found tsi108 PCI host bridge at 0x%pa. Firmware bus number: %d->%d\n", + &rsrc.start, hose->first_busno, hose->last_busno); /* Interpret the "ranges" property */ /* This also maps the I/O region and sets isa_io/mem_base */ diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 8c51462f13fd..f0237dfad6e3 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -145,7 +145,7 @@ static int pcpu_sigp_retry(struct pcpu *pcpu, u8 order, u32 parm) static inline int pcpu_stopped(struct pcpu *pcpu) { - u32 uninitialized_var(status); + u32 status; if (__pcpu_sigp(pcpu->address, SIGP_SENSE, 0, &status) != SIGP_CC_STATUS_STORED) diff --git a/arch/s390/kernel/sthyi.c b/arch/s390/kernel/sthyi.c index 888cc2f166db..ce6084e28d90 100644 --- a/arch/s390/kernel/sthyi.c +++ b/arch/s390/kernel/sthyi.c @@ -460,9 +460,9 @@ static int sthyi_update_cache(u64 *rc) * * Fills the destination with system information returned by the STHYI * instruction. The data is generated by emulation or execution of STHYI, - * if available. The return value is the condition code that would be - * returned, the rc parameter is the return code which is passed in - * register R2 + 1. + * if available. The return value is either a negative error value or + * the condition code that would be returned, the rc parameter is the + * return code which is passed in register R2 + 1. */ int sthyi_fill(void *dst, u64 *rc) { diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index a389fa85cca2..5450d43d26ea 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -360,8 +360,8 @@ static int handle_partial_execution(struct kvm_vcpu *vcpu) */ int handle_sthyi(struct kvm_vcpu *vcpu) { - int reg1, reg2, r = 0; - u64 code, addr, cc = 0, rc = 0; + int reg1, reg2, cc = 0, r = 0; + u64 code, addr, rc = 0; struct sthyi_sctns *sctns = NULL; if (!test_kvm_facility(vcpu->kvm, 74)) @@ -392,7 +392,10 @@ int handle_sthyi(struct kvm_vcpu *vcpu) return -ENOMEM; cc = sthyi_fill(sctns, &rc); - + if (cc < 0) { + free_page((unsigned long)sctns); + return cc; + } out: if (!cc) { r = write_guest(vcpu, addr, reg2, sctns, PAGE_SIZE); diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 9ade970b4232..b11eb11e2f49 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1982,6 +1982,10 @@ static unsigned long kvm_s390_next_dirty_cmma(struct kvm_memslots *slots, ms = slots->memslots + slotidx; ofs = 0; } + + if (cur_gfn < ms->base_gfn) + ofs = 0; + ofs = find_next_bit(kvm_second_dirty_bitmap(ms), ms->npages, ofs); while ((slotidx > 0) && (ofs >= ms->npages)) { slotidx--; diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c index 2021946176de..596b2a2cd837 100644 --- a/arch/s390/kvm/vsie.c +++ b/arch/s390/kvm/vsie.c @@ -168,7 +168,8 @@ static int setup_apcb00(struct kvm_vcpu *vcpu, unsigned long *apcb_s, sizeof(struct kvm_s390_apcb0))) return -EFAULT; - bitmap_and(apcb_s, apcb_s, apcb_h, sizeof(struct kvm_s390_apcb0)); + bitmap_and(apcb_s, apcb_s, apcb_h, + BITS_PER_BYTE * sizeof(struct kvm_s390_apcb0)); return 0; } @@ -190,7 +191,8 @@ static int setup_apcb11(struct kvm_vcpu *vcpu, unsigned long *apcb_s, sizeof(struct kvm_s390_apcb1))) return -EFAULT; - bitmap_and(apcb_s, apcb_s, apcb_h, sizeof(struct kvm_s390_apcb1)); + bitmap_and(apcb_s, apcb_s, apcb_h, + BITS_PER_BYTE * sizeof(struct kvm_s390_apcb1)); return 0; } diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index f356ee674d89..671897a680ca 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -2,6 +2,7 @@ config SUPERH def_bool y select ARCH_HAS_BINFMT_FLAT if !MMU + select ARCH_HAS_CPU_FINALIZE_INIT select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_MIGHT_HAVE_PC_PARPORT diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c index 96c626c2cd0a..306fba1564e5 100644 --- a/arch/sh/drivers/dma/dma-sh.c +++ b/arch/sh/drivers/dma/dma-sh.c @@ -18,6 +18,18 @@ #include #include +/* + * Some of the SoCs feature two DMAC modules. In such a case, the channels are + * distributed equally among them. + */ +#ifdef SH_DMAC_BASE1 +#define SH_DMAC_NR_MD_CH (CONFIG_NR_ONCHIP_DMA_CHANNELS / 2) +#else +#define SH_DMAC_NR_MD_CH CONFIG_NR_ONCHIP_DMA_CHANNELS +#endif + +#define SH_DMAC_CH_SZ 0x10 + /* * Define the default configuration for dual address memory-memory transfer. * The 0x400 value represents auto-request, external->external. @@ -29,7 +41,7 @@ static unsigned long dma_find_base(unsigned int chan) unsigned long base = SH_DMAC_BASE0; #ifdef SH_DMAC_BASE1 - if (chan >= 6) + if (chan >= SH_DMAC_NR_MD_CH) base = SH_DMAC_BASE1; #endif @@ -40,13 +52,13 @@ static unsigned long dma_base_addr(unsigned int chan) { unsigned long base = dma_find_base(chan); - /* Normalize offset calculation */ - if (chan >= 9) - chan -= 6; - if (chan >= 4) - base += 0x10; + chan = (chan % SH_DMAC_NR_MD_CH) * SH_DMAC_CH_SZ; - return base + (chan * 0x10); + /* DMAOR is placed inside the channel register space. Step over it. */ + if (chan >= DMAOR) + base += SH_DMAC_CH_SZ; + + return base + chan; } #ifdef CONFIG_SH_DMA_IRQ_MULTI @@ -250,12 +262,11 @@ static int sh_dmac_get_dma_residue(struct dma_channel *chan) #define NR_DMAOR 1 #endif -/* - * DMAOR bases are broken out amongst channel groups. DMAOR0 manages - * channels 0 - 5, DMAOR1 6 - 11 (optional). - */ -#define dmaor_read_reg(n) __raw_readw(dma_find_base((n)*6)) -#define dmaor_write_reg(n, data) __raw_writew(data, dma_find_base(n)*6) +#define dmaor_read_reg(n) __raw_readw(dma_find_base((n) * \ + SH_DMAC_NR_MD_CH) + DMAOR) +#define dmaor_write_reg(n, data) __raw_writew(data, \ + dma_find_base((n) * \ + SH_DMAC_NR_MD_CH) + DMAOR) static inline int dmaor_reset(int no) { diff --git a/arch/sh/include/asm/bugs.h b/arch/sh/include/asm/bugs.h deleted file mode 100644 index 030df56bfdb2..000000000000 --- a/arch/sh/include/asm/bugs.h +++ /dev/null @@ -1,78 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_SH_BUGS_H -#define __ASM_SH_BUGS_H - -/* - * This is included by init/main.c to check for architecture-dependent bugs. - * - * Needs: - * void check_bugs(void); - */ - -/* - * I don't know of any Super-H bugs yet. - */ - -#include - -extern void select_idle_routine(void); - -static void __init check_bugs(void) -{ - extern unsigned long loops_per_jiffy; - char *p = &init_utsname()->machine[2]; /* "sh" */ - - select_idle_routine(); - - current_cpu_data.loops_per_jiffy = loops_per_jiffy; - - switch (current_cpu_data.family) { - case CPU_FAMILY_SH2: - *p++ = '2'; - break; - case CPU_FAMILY_SH2A: - *p++ = '2'; - *p++ = 'a'; - break; - case CPU_FAMILY_SH3: - *p++ = '3'; - break; - case CPU_FAMILY_SH4: - *p++ = '4'; - break; - case CPU_FAMILY_SH4A: - *p++ = '4'; - *p++ = 'a'; - break; - case CPU_FAMILY_SH4AL_DSP: - *p++ = '4'; - *p++ = 'a'; - *p++ = 'l'; - *p++ = '-'; - *p++ = 'd'; - *p++ = 's'; - *p++ = 'p'; - break; - case CPU_FAMILY_SH5: - *p++ = '6'; - *p++ = '4'; - break; - case CPU_FAMILY_UNKNOWN: - /* - * Specifically use CPU_FAMILY_UNKNOWN rather than - * default:, so we're able to have the compiler whine - * about unhandled enumerations. - */ - break; - } - - printk("CPU: %s\n", get_cpu_subtype(¤t_cpu_data)); - -#ifndef __LITTLE_ENDIAN__ - /* 'eb' means 'Endian Big' */ - *p++ = 'e'; - *p++ = 'b'; -#endif - *p = '\0'; -} -#endif /* __ASM_SH_BUGS_H */ diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h index 6fbf8c80e498..386786b1594a 100644 --- a/arch/sh/include/asm/processor.h +++ b/arch/sh/include/asm/processor.h @@ -173,6 +173,8 @@ extern unsigned int instruction_size(unsigned int insn); #define instruction_size(insn) (4) #endif +void select_idle_routine(void); + #endif /* __ASSEMBLY__ */ #ifdef CONFIG_SUPERH32 diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c index d342ea08843f..70a07f4f2142 100644 --- a/arch/sh/kernel/cpu/sh2/probe.c +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -21,7 +21,7 @@ static int __init scan_cache(unsigned long node, const char *uname, if (!of_flat_dt_is_compatible(node, "jcore,cache")) return 0; - j2_ccr_base = (u32 __iomem *)of_flat_dt_translate_address(node); + j2_ccr_base = ioremap(of_flat_dt_translate_address(node), 4); return 1; } diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 934ff84844fa..c633fe4d7039 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -380,7 +380,7 @@ static int __init sq_api_init(void) if (unlikely(!sq_cache)) return ret; - sq_bitmap = kzalloc(size, GFP_KERNEL); + sq_bitmap = kcalloc(size, sizeof(long), GFP_KERNEL); if (unlikely(!sq_bitmap)) goto out; diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S index 4adbd4ade319..b603b7968b38 100644 --- a/arch/sh/kernel/head_32.S +++ b/arch/sh/kernel/head_32.S @@ -64,7 +64,7 @@ ENTRY(_stext) ldc r0, r6_bank #endif -#ifdef CONFIG_OF_FLATTREE +#ifdef CONFIG_OF_EARLY_FLATTREE mov r4, r12 ! Store device tree blob pointer in r12 #endif @@ -315,7 +315,7 @@ ENTRY(_stext) 10: #endif -#ifdef CONFIG_OF_FLATTREE +#ifdef CONFIG_OF_EARLY_FLATTREE mov.l 8f, r0 ! Make flat device tree available early. jsr @r0 mov r12, r4 @@ -346,7 +346,7 @@ ENTRY(stack_start) 5: .long start_kernel 6: .long cpu_init 7: .long init_thread_union -#if defined(CONFIG_OF_FLATTREE) +#if defined(CONFIG_OF_EARLY_FLATTREE) 8: .long sh_fdt_init #endif diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index c20fc5487e05..bcb8eabd7618 100644 --- a/arch/sh/kernel/idle.c +++ b/arch/sh/kernel/idle.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include diff --git a/arch/sh/kernel/nmi_debug.c b/arch/sh/kernel/nmi_debug.c index 11777867c6f5..a212b645b4cf 100644 --- a/arch/sh/kernel/nmi_debug.c +++ b/arch/sh/kernel/nmi_debug.c @@ -49,7 +49,7 @@ static int __init nmi_debug_setup(char *str) register_die_notifier(&nmi_debug_nb); if (*str != '=') - return 0; + return 1; for (p = str + 1; *p; p = sep + 1) { sep = strchr(p, ','); @@ -70,6 +70,6 @@ static int __init nmi_debug_setup(char *str) break; } - return 0; + return 1; } __setup("nmi_debug", nmi_debug_setup); diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 2c0e0f37a318..2221e057e6b4 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -43,6 +43,7 @@ #include #include #include +#include #include /* @@ -243,7 +244,7 @@ void __init __weak plat_early_device_setup(void) { } -#ifdef CONFIG_OF_FLATTREE +#ifdef CONFIG_OF_EARLY_FLATTREE void __ref sh_fdt_init(phys_addr_t dt_phys) { static int done = 0; @@ -330,7 +331,7 @@ void __init setup_arch(char **cmdline_p) /* Let earlyprintk output early console messages */ early_platform_driver_probe("earlyprintk", 1, 1); -#ifdef CONFIG_OF_FLATTREE +#ifdef CONFIG_OF_EARLY_FLATTREE #ifdef CONFIG_USE_BUILTIN_DTB unflatten_and_copy_device_tree(); #else @@ -362,3 +363,57 @@ int test_mode_pin(int pin) { return sh_mv.mv_mode_pins() & pin; } + +void __init arch_cpu_finalize_init(void) +{ + char *p = &init_utsname()->machine[2]; /* "sh" */ + + select_idle_routine(); + + current_cpu_data.loops_per_jiffy = loops_per_jiffy; + + switch (current_cpu_data.family) { + case CPU_FAMILY_SH2: + *p++ = '2'; + break; + case CPU_FAMILY_SH2A: + *p++ = '2'; + *p++ = 'a'; + break; + case CPU_FAMILY_SH3: + *p++ = '3'; + break; + case CPU_FAMILY_SH4: + *p++ = '4'; + break; + case CPU_FAMILY_SH4A: + *p++ = '4'; + *p++ = 'a'; + break; + case CPU_FAMILY_SH4AL_DSP: + *p++ = '4'; + *p++ = 'a'; + *p++ = 'l'; + *p++ = '-'; + *p++ = 'd'; + *p++ = 's'; + *p++ = 'p'; + break; + case CPU_FAMILY_UNKNOWN: + /* + * Specifically use CPU_FAMILY_UNKNOWN rather than + * default:, so we're able to have the compiler whine + * about unhandled enumerations. + */ + break; + } + + pr_info("CPU: %s\n", get_cpu_subtype(¤t_cpu_data)); + +#ifndef __LITTLE_ENDIAN__ + /* 'eb' means 'Endian Big' */ + *p++ = 'e'; + *p++ = 'b'; +#endif + *p = '\0'; +} diff --git a/arch/sh/math-emu/sfp-util.h b/arch/sh/math-emu/sfp-util.h index 784f541344f3..bda50762b3d3 100644 --- a/arch/sh/math-emu/sfp-util.h +++ b/arch/sh/math-emu/sfp-util.h @@ -67,7 +67,3 @@ } while (0) #define abort() return 0 - -#define __BYTE_ORDER __LITTLE_ENDIAN - - diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 8cb5bb020b4b..881f6a849148 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -52,6 +52,7 @@ config SPARC config SPARC32 def_bool !64BIT select ARCH_32BIT_OFF_T + select ARCH_HAS_CPU_FINALIZE_INIT if !SMP select ARCH_HAS_SYNC_DMA_FOR_CPU select GENERIC_ATOMIC64 select CLZ_TAB diff --git a/arch/sparc/include/asm/bugs.h b/arch/sparc/include/asm/bugs.h deleted file mode 100644 index 02fa369b9c21..000000000000 --- a/arch/sparc/include/asm/bugs.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* include/asm/bugs.h: Sparc probes for various bugs. - * - * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net) - */ - -#ifdef CONFIG_SPARC32 -#include -#endif - -extern unsigned long loops_per_jiffy; - -static void __init check_bugs(void) -{ -#if defined(CONFIG_SPARC32) && !defined(CONFIG_SMP) - cpu_data(0).udelay_val = loops_per_jiffy; -#endif -} diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index afe1592a6d08..4373c1d64ab8 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -422,3 +422,10 @@ static int __init topology_init(void) } subsys_initcall(topology_init); + +#if defined(CONFIG_SPARC32) && !defined(CONFIG_SMP) +void __init arch_cpu_finalize_init(void) +{ + cpu_data(0).udelay_val = loops_per_jiffy; +} +#endif diff --git a/arch/um/Kconfig b/arch/um/Kconfig index c56d3526a3bd..468a5d63ef26 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig @@ -5,6 +5,7 @@ menu "UML-specific options" config UML bool default y + select ARCH_HAS_CPU_FINALIZE_INIT select ARCH_HAS_KCOV select ARCH_NO_PREEMPT select HAVE_ARCH_AUDITSYSCALL diff --git a/arch/um/include/asm/bugs.h b/arch/um/include/asm/bugs.h deleted file mode 100644 index 4473942a0839..000000000000 --- a/arch/um/include/asm/bugs.h +++ /dev/null @@ -1,7 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __UM_BUGS_H -#define __UM_BUGS_H - -void check_bugs(void); - -#endif diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 640c8e178502..004ef4ebb57d 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -3,6 +3,7 @@ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) */ +#include #include #include #include @@ -353,7 +354,7 @@ void __init setup_arch(char **cmdline_p) setup_hostinfo(host_info, sizeof host_info); } -void __init check_bugs(void) +void __init arch_cpu_finalize_init(void) { arch_check_bugs(); os_check_bugs(); diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e3c5d817be8e..63fd3706316d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -60,6 +60,7 @@ config X86 select ARCH_CLOCKSOURCE_DATA select ARCH_CLOCKSOURCE_INIT select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI + select ARCH_HAS_CPU_FINALIZE_INIT select ARCH_HAS_DEBUG_VIRTUAL select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE @@ -2502,6 +2503,25 @@ config ARCH_ENABLE_SPLIT_PMD_PTLOCK def_bool y depends on X86_64 || X86_PAE +config GDS_FORCE_MITIGATION + bool "Force GDS Mitigation" + depends on CPU_SUP_INTEL + default n + help + Gather Data Sampling (GDS) is a hardware vulnerability which allows + unprivileged speculative access to data which was previously stored in + vector registers. + + This option is equivalent to setting gather_data_sampling=force on the + command line. The microcode mitigation is used if present, otherwise + AVX is disabled as a mitigation. On affected systems that are missing + the microcode any userspace code that unconditionally uses AVX will + break with this option set. + + Setting this option on systems not vulnerable to GDS has no effect. + + If in doubt, say N. + config ARCH_ENABLE_HUGEPAGE_MIGRATION def_bool y depends on X86_64 && HUGETLB_PAGE && MIGRATION diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h index ca866f1cca2e..4d79391bb787 100644 --- a/arch/x86/boot/boot.h +++ b/arch/x86/boot/boot.h @@ -110,66 +110,78 @@ typedef unsigned int addr_t; static inline u8 rdfs8(addr_t addr) { + u8 *ptr = (u8 *)absolute_pointer(addr); u8 v; - asm volatile("movb %%fs:%1,%0" : "=q" (v) : "m" (*(u8 *)addr)); + asm volatile("movb %%fs:%1,%0" : "=q" (v) : "m" (*ptr)); return v; } static inline u16 rdfs16(addr_t addr) { + u16 *ptr = (u16 *)absolute_pointer(addr); u16 v; - asm volatile("movw %%fs:%1,%0" : "=r" (v) : "m" (*(u16 *)addr)); + asm volatile("movw %%fs:%1,%0" : "=r" (v) : "m" (*ptr)); return v; } static inline u32 rdfs32(addr_t addr) { + u32 *ptr = (u32 *)absolute_pointer(addr); u32 v; - asm volatile("movl %%fs:%1,%0" : "=r" (v) : "m" (*(u32 *)addr)); + asm volatile("movl %%fs:%1,%0" : "=r" (v) : "m" (*ptr)); return v; } static inline void wrfs8(u8 v, addr_t addr) { - asm volatile("movb %1,%%fs:%0" : "+m" (*(u8 *)addr) : "qi" (v)); + u8 *ptr = (u8 *)absolute_pointer(addr); + asm volatile("movb %1,%%fs:%0" : "+m" (*ptr) : "qi" (v)); } static inline void wrfs16(u16 v, addr_t addr) { - asm volatile("movw %1,%%fs:%0" : "+m" (*(u16 *)addr) : "ri" (v)); + u16 *ptr = (u16 *)absolute_pointer(addr); + asm volatile("movw %1,%%fs:%0" : "+m" (*ptr) : "ri" (v)); } static inline void wrfs32(u32 v, addr_t addr) { - asm volatile("movl %1,%%fs:%0" : "+m" (*(u32 *)addr) : "ri" (v)); + u32 *ptr = (u32 *)absolute_pointer(addr); + asm volatile("movl %1,%%fs:%0" : "+m" (*ptr) : "ri" (v)); } static inline u8 rdgs8(addr_t addr) { + u8 *ptr = (u8 *)absolute_pointer(addr); u8 v; - asm volatile("movb %%gs:%1,%0" : "=q" (v) : "m" (*(u8 *)addr)); + asm volatile("movb %%gs:%1,%0" : "=q" (v) : "m" (*ptr)); return v; } static inline u16 rdgs16(addr_t addr) { + u16 *ptr = (u16 *)absolute_pointer(addr); u16 v; - asm volatile("movw %%gs:%1,%0" : "=r" (v) : "m" (*(u16 *)addr)); + asm volatile("movw %%gs:%1,%0" : "=r" (v) : "m" (*ptr)); return v; } static inline u32 rdgs32(addr_t addr) { + u32 *ptr = (u32 *)absolute_pointer(addr); u32 v; - asm volatile("movl %%gs:%1,%0" : "=r" (v) : "m" (*(u32 *)addr)); + asm volatile("movl %%gs:%1,%0" : "=r" (v) : "m" (*ptr)); return v; } static inline void wrgs8(u8 v, addr_t addr) { - asm volatile("movb %1,%%gs:%0" : "+m" (*(u8 *)addr) : "qi" (v)); + u8 *ptr = (u8 *)absolute_pointer(addr); + asm volatile("movb %1,%%gs:%0" : "+m" (*ptr) : "qi" (v)); } static inline void wrgs16(u16 v, addr_t addr) { - asm volatile("movw %1,%%gs:%0" : "+m" (*(u16 *)addr) : "ri" (v)); + u16 *ptr = (u16 *)absolute_pointer(addr); + asm volatile("movw %1,%%gs:%0" : "+m" (*ptr) : "ri" (v)); } static inline void wrgs32(u32 v, addr_t addr) { - asm volatile("movl %1,%%gs:%0" : "+m" (*(u32 *)addr) : "ri" (v)); + u32 *ptr = (u32 *)absolute_pointer(addr); + asm volatile("movl %1,%%gs:%0" : "+m" (*ptr) : "ri" (v)); } /* Note: these only return true/false, not a signed return value! */ diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c index e3add857c2c9..c421af5a3cdc 100644 --- a/arch/x86/boot/main.c +++ b/arch/x86/boot/main.c @@ -33,7 +33,7 @@ static void copy_boot_params(void) u16 cl_offset; }; const struct old_cmdline * const oldcmd = - (const struct old_cmdline *)OLD_CL_ADDRESS; + absolute_pointer(OLD_CL_ADDRESS); BUILD_BUG_ON(sizeof(boot_params) != 4096); memcpy(&boot_params.hdr, &hdr, sizeof(hdr)); diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index 3613cfb83c6d..8d7a4a2caf55 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -222,8 +222,8 @@ static unsigned long vdso_addr(unsigned long start, unsigned len) /* Round the lowest possible end address up to a PMD boundary. */ end = (start + len + PMD_SIZE - 1) & PMD_MASK; - if (end >= TASK_SIZE_MAX) - end = TASK_SIZE_MAX; + if (end >= DEFAULT_MAP_WINDOW) + end = DEFAULT_MAP_WINDOW; end -= len; if (end > start) { diff --git a/arch/x86/include/asm/bugs.h b/arch/x86/include/asm/bugs.h index 794eb2129bc6..6554ddb2ad49 100644 --- a/arch/x86/include/asm/bugs.h +++ b/arch/x86/include/asm/bugs.h @@ -4,8 +4,6 @@ #include -extern void check_bugs(void); - #if defined(CONFIG_CPU_SUP_INTEL) void check_mpx_erratum(struct cpuinfo_x86 *c); #else diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 619c1f80a2ab..4466a47b7608 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -30,6 +30,8 @@ enum cpuid_leafs CPUID_7_ECX, CPUID_8000_0007_EBX, CPUID_7_EDX, + CPUID_8000_001F_EAX, + CPUID_8000_0021_EAX, }; #ifdef CONFIG_X86_FEATURE_NAMES @@ -88,8 +90,10 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 16, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 17, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 18, feature_bit) || \ + CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 19, feature_bit) || \ + CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 20, feature_bit) || \ REQUIRED_MASK_CHECK || \ - BUILD_BUG_ON_ZERO(NCAPINTS != 19)) + BUILD_BUG_ON_ZERO(NCAPINTS != 21)) #define DISABLED_MASK_BIT_SET(feature_bit) \ ( CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 0, feature_bit) || \ @@ -111,8 +115,10 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 16, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 17, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 18, feature_bit) || \ + CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 19, feature_bit) || \ + CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 20, feature_bit) || \ DISABLED_MASK_CHECK || \ - BUILD_BUG_ON_ZERO(NCAPINTS != 19)) + BUILD_BUG_ON_ZERO(NCAPINTS != 21)) #define cpu_has(c, bit) \ (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 3e360dc07bae..f42286e9a2b1 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -13,8 +13,8 @@ /* * Defines x86 CPU feature bits */ -#define NCAPINTS 19 /* N 32-bit words worth of info */ -#define NBUGINTS 1 /* N 32-bit bug flags */ +#define NCAPINTS 21 /* N 32-bit words worth of info */ +#define NBUGINTS 2 /* N 32-bit bug flags */ /* * Note: If the comment begins with a quoted string, that string is used @@ -96,7 +96,7 @@ #define X86_FEATURE_SYSCALL32 ( 3*32+14) /* "" syscall in IA32 userspace */ #define X86_FEATURE_SYSENTER32 ( 3*32+15) /* "" sysenter in IA32 userspace */ #define X86_FEATURE_REP_GOOD ( 3*32+16) /* REP microcode works well */ -#define X86_FEATURE_SME_COHERENT ( 3*32+17) /* "" AMD hardware-enforced cache coherency */ +/* FREE! ( 3*32+17) */ #define X86_FEATURE_LFENCE_RDTSC ( 3*32+18) /* "" LFENCE synchronizes RDTSC */ #define X86_FEATURE_ACC_POWER ( 3*32+19) /* AMD Accumulated Power Mechanism */ #define X86_FEATURE_NOPL ( 3*32+20) /* The NOPL (0F 1F) instructions */ @@ -201,7 +201,7 @@ #define X86_FEATURE_INVPCID_SINGLE ( 7*32+ 7) /* Effectively INVPCID && CR4.PCIDE=1 */ #define X86_FEATURE_HW_PSTATE ( 7*32+ 8) /* AMD HW-PState */ #define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */ -#define X86_FEATURE_SME ( 7*32+10) /* AMD Secure Memory Encryption */ +/* FREE! ( 7*32+10) */ #define X86_FEATURE_PTI ( 7*32+11) /* Kernel Page Table Isolation enabled */ #define X86_FEATURE_KERNEL_IBRS ( 7*32+12) /* "" Set/clear IBRS on kernel entry/exit */ #define X86_FEATURE_RSB_VMEXIT ( 7*32+13) /* "" Fill RSB on VM-Exit */ @@ -211,7 +211,7 @@ #define X86_FEATURE_SSBD ( 7*32+17) /* Speculative Store Bypass Disable */ #define X86_FEATURE_MBA ( 7*32+18) /* Memory Bandwidth Allocation */ #define X86_FEATURE_RSB_CTXSW ( 7*32+19) /* "" Fill RSB on context switches */ -#define X86_FEATURE_SEV ( 7*32+20) /* AMD Secure Encrypted Virtualization */ +/* FREE! ( 7*32+20) */ #define X86_FEATURE_USE_IBPB ( 7*32+21) /* "" Indirect Branch Prediction Barrier enabled */ #define X86_FEATURE_USE_IBRS_FW ( 7*32+22) /* "" Use IBRS during runtime firmware calls */ #define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE ( 7*32+23) /* "" Disable Speculative Store Bypass. */ @@ -375,6 +375,13 @@ #define X86_FEATURE_ARCH_CAPABILITIES (18*32+29) /* IA32_ARCH_CAPABILITIES MSR (Intel) */ #define X86_FEATURE_SPEC_CTRL_SSBD (18*32+31) /* "" Speculative Store Bypass Disable */ +/* AMD-defined memory encryption features, CPUID level 0x8000001f (EAX), word 19 */ +#define X86_FEATURE_SME (19*32+ 0) /* AMD Secure Memory Encryption */ +#define X86_FEATURE_SEV (19*32+ 1) /* AMD Secure Encrypted Virtualization */ +#define X86_FEATURE_VM_PAGE_FLUSH (19*32+ 2) /* "" VM Page Flush MSR is supported */ +#define X86_FEATURE_SEV_ES (19*32+ 3) /* AMD Secure Encrypted Virtualization - Encrypted State */ +#define X86_FEATURE_SME_COHERENT (19*32+10) /* "" AMD hardware-enforced cache coherency */ + /* * BUG word(s) */ @@ -415,5 +422,6 @@ #define X86_BUG_RETBLEED X86_BUG(26) /* CPU is affected by RETBleed */ #define X86_BUG_EIBRS_PBRSB X86_BUG(27) /* EIBRS is vulnerable to Post Barrier RSB Predictions */ #define X86_BUG_MMIO_UNKNOWN X86_BUG(28) /* CPU is too old and its MMIO Stale Data status is unknown */ +#define X86_BUG_GDS X86_BUG(29) /* CPU is affected by Gather Data Sampling */ #endif /* _ASM_X86_CPUFEATURES_H */ diff --git a/arch/x86/include/asm/disabled-features.h b/arch/x86/include/asm/disabled-features.h index a5ea841cc6d2..8453260f6d9f 100644 --- a/arch/x86/include/asm/disabled-features.h +++ b/arch/x86/include/asm/disabled-features.h @@ -84,6 +84,8 @@ #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP) #define DISABLED_MASK17 0 #define DISABLED_MASK18 0 -#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 19) +#define DISABLED_MASK19 0 +#define DISABLED_MASK20 0 +#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21) #endif /* _ASM_X86_DISABLED_FEATURES_H */ diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index 5ed702e2c55f..330841bad616 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -41,7 +41,7 @@ extern int dump_fpu(struct pt_regs *ptregs, struct user_i387_struct *fpstate); extern void fpu__init_cpu(void); extern void fpu__init_system_xstate(void); extern void fpu__init_cpu_xstate(void); -extern void fpu__init_system(struct cpuinfo_x86 *c); +extern void fpu__init_system(void); extern void fpu__init_check_bugs(void); extern void fpu__resume_cpu(void); extern u64 fpu__get_supported_xfeatures_mask(void); diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h index c1d6d8bbb7da..6fdd863198ec 100644 --- a/arch/x86/include/asm/intel-family.h +++ b/arch/x86/include/asm/intel-family.h @@ -96,6 +96,11 @@ #define INTEL_FAM6_LAKEFIELD 0x8A #define INTEL_FAM6_ALDERLAKE 0x97 #define INTEL_FAM6_ALDERLAKE_L 0x9A +#define INTEL_FAM6_ALDERLAKE_N 0xBE + +#define INTEL_FAM6_RAPTORLAKE 0xB7 +#define INTEL_FAM6_RAPTORLAKE_P 0xBA +#define INTEL_FAM6_RAPTORLAKE_S 0xBF /* "Small Core" Processors (Atom) */ diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 4bc476d7fa6c..80239c84b4dd 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -563,6 +563,7 @@ struct kvm_vcpu_arch { u64 ia32_misc_enable_msr; u64 smbase; u64 smi_count; + bool at_instruction_boundary; bool tpr_access_reporting; u64 ia32_xss; u64 microcode_version; @@ -981,6 +982,8 @@ struct kvm_vcpu_stat { u64 irq_injections; u64 nmi_injections; u64 req_event; + u64 preemption_reported; + u64 preemption_other; }; struct x86_instruction_info; diff --git a/arch/x86/include/asm/mem_encrypt.h b/arch/x86/include/asm/mem_encrypt.h index 848ce43b9040..190c5ca537e9 100644 --- a/arch/x86/include/asm/mem_encrypt.h +++ b/arch/x86/include/asm/mem_encrypt.h @@ -77,6 +77,8 @@ early_set_memory_decrypted(unsigned long vaddr, unsigned long size) { return 0; static inline int __init early_set_memory_encrypted(unsigned long vaddr, unsigned long size) { return 0; } +static inline void mem_encrypt_init(void) { } + #define __bss_decrypted #endif /* CONFIG_AMD_MEM_ENCRYPT */ diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h index 509cc0262fdc..394605e59f2b 100644 --- a/arch/x86/include/asm/microcode.h +++ b/arch/x86/include/asm/microcode.h @@ -5,6 +5,7 @@ #include #include #include +#include struct ucode_patch { struct list_head plist; diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h index a645b25ee442..403a8e76b310 100644 --- a/arch/x86/include/asm/microcode_amd.h +++ b/arch/x86/include/asm/microcode_amd.h @@ -48,11 +48,13 @@ extern void __init load_ucode_amd_bsp(unsigned int family); extern void load_ucode_amd_ap(unsigned int family); extern int __init save_microcode_in_initrd_amd(unsigned int family); void reload_ucode_amd(unsigned int cpu); +extern void amd_check_microcode(void); #else static inline void __init load_ucode_amd_bsp(unsigned int family) {} static inline void load_ucode_amd_ap(unsigned int family) {} static inline int __init save_microcode_in_initrd_amd(unsigned int family) { return -EINVAL; } static inline void reload_ucode_amd(unsigned int cpu) {} +static inline void amd_check_microcode(void) {} #endif #endif /* _ASM_X86_MICROCODE_AMD_H */ diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 67d43645a2b6..7137256f2c31 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -147,6 +147,15 @@ * Not susceptible to Post-Barrier * Return Stack Buffer Predictions. */ +#define ARCH_CAP_GDS_CTRL BIT(25) /* + * CPU is vulnerable to Gather + * Data Sampling (GDS) and + * has controls for mitigation. + */ +#define ARCH_CAP_GDS_NO BIT(26) /* + * CPU is not vulnerable to Gather + * Data Sampling (GDS). + */ #define MSR_IA32_FLUSH_CMD 0x0000010b #define L1D_FLUSH BIT(0) /* @@ -165,6 +174,8 @@ #define MSR_IA32_MCU_OPT_CTRL 0x00000123 #define RNGDS_MITG_DIS BIT(0) #define FB_CLEAR_DIS BIT(3) /* CPU Fill buffer clear disable */ +#define GDS_MITG_DIS BIT(4) /* Disable GDS mitigation */ +#define GDS_MITG_LOCKED BIT(5) /* GDS mitigation locked */ #define MSR_IA32_SYSENTER_CS 0x00000174 #define MSR_IA32_SYSENTER_ESP 0x00000175 @@ -462,6 +473,7 @@ #define MSR_AMD64_DE_CFG 0xc0011029 #define MSR_AMD64_DE_CFG_LFENCE_SERIALIZE_BIT 1 #define MSR_AMD64_DE_CFG_LFENCE_SERIALIZE BIT_ULL(MSR_AMD64_DE_CFG_LFENCE_SERIALIZE_BIT) +#define MSR_AMD64_DE_CFG_ZEN2_FP_BACKUP_FIX_BIT 9 #define MSR_AMD64_BU_CFG2 0xc001102a #define MSR_AMD64_IBSFETCHCTL 0xc0011030 @@ -483,6 +495,7 @@ #define MSR_AMD64_ICIBSEXTDCTL 0xc001103c #define MSR_AMD64_IBSOPDATA4 0xc001103d #define MSR_AMD64_IBS_REG_COUNT_MAX 8 /* includes MSR_AMD64_IBSBRTARGET */ +#define MSR_AMD64_VM_PAGE_FLUSH 0xc001011e #define MSR_AMD64_SEV 0xc0010131 #define MSR_AMD64_SEV_ENABLED_BIT 0 #define MSR_AMD64_SEV_ENABLED BIT_ULL(MSR_AMD64_SEV_ENABLED_BIT) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index f4f07ca0f1fe..b4d47bd67791 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -976,4 +976,6 @@ enum taa_mitigations { TAA_MITIGATION_TSX_DISABLED, }; +extern bool gds_ucode_mitigated(void); + #endif /* _ASM_X86_PROCESSOR_H */ diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h index 6847d85400a8..fb3d81347e33 100644 --- a/arch/x86/include/asm/required-features.h +++ b/arch/x86/include/asm/required-features.h @@ -101,6 +101,8 @@ #define REQUIRED_MASK16 0 #define REQUIRED_MASK17 0 #define REQUIRED_MASK18 0 -#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 19) +#define REQUIRED_MASK19 0 +#define REQUIRED_MASK20 0 +#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21) #endif /* _ASM_X86_REQUIRED_FEATURES_H */ diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 68c734032523..a3b7b2fb04cb 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -410,10 +410,9 @@ static unsigned int reserve_eilvt_offset(int offset, unsigned int new) if (vector && !eilvt_entry_is_changeable(vector, new)) /* may not change if vectors are different */ return rsvd; - rsvd = atomic_cmpxchg(&eilvt_offsets[offset], rsvd, new); - } while (rsvd != new); + } while (!atomic_try_cmpxchg(&eilvt_offsets[offset], &rsvd, new)); - rsvd &= ~APIC_EILVT_MASKED; + rsvd = new & ~APIC_EILVT_MASKED; if (rsvd && rsvd != vector) pr_info("LVT offset %d assigned for vector 0x%02x\n", offset, rsvd); diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 1622cff009c9..e4d63392c619 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2455,17 +2455,21 @@ static int io_apic_get_redir_entries(int ioapic) unsigned int arch_dynirq_lower_bound(unsigned int from) { + unsigned int ret; + /* * dmar_alloc_hwirq() may be called before setup_IO_APIC(), so use * gsi_top if ioapic_dynirq_base hasn't been initialized yet. */ - if (!ioapic_initialized) - return gsi_top; + ret = ioapic_dynirq_base ? : gsi_top; + /* - * For DT enabled machines ioapic_dynirq_base is irrelevant and not - * updated. So simply return @from if ioapic_dynirq_base == 0. + * For DT enabled machines ioapic_dynirq_base is irrelevant and + * always 0. gsi_top can be 0 if there is no IO/APIC registered. + * 0 is an invalid interrupt number for dynamic allocations. Return + * @from instead. */ - return ioapic_dynirq_base ? : from; + return ret ? : from; } #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index 032a00e5d9fa..76c80e191a1b 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -97,7 +97,10 @@ static void init_x2apic_ldr(void) static int x2apic_phys_probe(void) { - if (x2apic_mode && (x2apic_phys || x2apic_fadt_phys())) + if (!x2apic_mode) + return 0; + + if (x2apic_phys || x2apic_fadt_phys()) return 1; return apic == &apic_x2apic_phys; diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index b212771df022..fcffee447ba1 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -26,11 +26,6 @@ #include "cpu.h" -static const int amd_erratum_383[]; -static const int amd_erratum_400[]; -static const int amd_erratum_1054[]; -static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum); - /* * nodes_per_socket: Stores the number of nodes per socket. * Refer to Fam15h Models 00-0fh BKDG - CPUID Fn8000_001E_ECX @@ -38,6 +33,79 @@ static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum); */ static u32 nodes_per_socket = 1; +/* + * AMD errata checking + * + * Errata are defined as arrays of ints using the AMD_LEGACY_ERRATUM() or + * AMD_OSVW_ERRATUM() macros. The latter is intended for newer errata that + * have an OSVW id assigned, which it takes as first argument. Both take a + * variable number of family-specific model-stepping ranges created by + * AMD_MODEL_RANGE(). + * + * Example: + * + * const int amd_erratum_319[] = + * AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x10, 0x2, 0x1, 0x4, 0x2), + * AMD_MODEL_RANGE(0x10, 0x8, 0x0, 0x8, 0x0), + * AMD_MODEL_RANGE(0x10, 0x9, 0x0, 0x9, 0x0)); + */ + +#define AMD_LEGACY_ERRATUM(...) { -1, __VA_ARGS__, 0 } +#define AMD_OSVW_ERRATUM(osvw_id, ...) { osvw_id, __VA_ARGS__, 0 } +#define AMD_MODEL_RANGE(f, m_start, s_start, m_end, s_end) \ + ((f << 24) | (m_start << 16) | (s_start << 12) | (m_end << 4) | (s_end)) +#define AMD_MODEL_RANGE_FAMILY(range) (((range) >> 24) & 0xff) +#define AMD_MODEL_RANGE_START(range) (((range) >> 12) & 0xfff) +#define AMD_MODEL_RANGE_END(range) ((range) & 0xfff) + +static const int amd_erratum_400[] = + AMD_OSVW_ERRATUM(1, AMD_MODEL_RANGE(0xf, 0x41, 0x2, 0xff, 0xf), + AMD_MODEL_RANGE(0x10, 0x2, 0x1, 0xff, 0xf)); + +static const int amd_erratum_383[] = + AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf)); + +/* #1054: Instructions Retired Performance Counter May Be Inaccurate */ +static const int amd_erratum_1054[] = + AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0, 0, 0x2f, 0xf)); + +static const int amd_zenbleed[] = + AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0x30, 0x0, 0x4f, 0xf), + AMD_MODEL_RANGE(0x17, 0x60, 0x0, 0x7f, 0xf), + AMD_MODEL_RANGE(0x17, 0x90, 0x0, 0x91, 0xf), + AMD_MODEL_RANGE(0x17, 0xa0, 0x0, 0xaf, 0xf)); + +static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum) +{ + int osvw_id = *erratum++; + u32 range; + u32 ms; + + if (osvw_id >= 0 && osvw_id < 65536 && + cpu_has(cpu, X86_FEATURE_OSVW)) { + u64 osvw_len; + + rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, osvw_len); + if (osvw_id < osvw_len) { + u64 osvw_bits; + + rdmsrl(MSR_AMD64_OSVW_STATUS + (osvw_id >> 6), + osvw_bits); + return osvw_bits & (1ULL << (osvw_id & 0x3f)); + } + } + + /* OSVW unavailable or ID unknown, match family-model-stepping range */ + ms = (cpu->x86_model << 4) | cpu->x86_stepping; + while ((range = *erratum++)) + if ((cpu->x86 == AMD_MODEL_RANGE_FAMILY(range)) && + (ms >= AMD_MODEL_RANGE_START(range)) && + (ms <= AMD_MODEL_RANGE_END(range))) + return true; + + return false; +} + static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p) { u32 gprs[8] = { 0 }; @@ -596,7 +664,7 @@ static void early_detect_mem_encrypt(struct cpuinfo_x86 *c) * If BIOS has not enabled SME then don't advertise the * SME feature (set in scattered.c). * For SEV: If BIOS has not enabled SEV then don't advertise the - * SEV feature (set in scattered.c). + * SEV and SEV_ES feature (set in scattered.c). * * In all cases, since support for SME and SEV requires long mode, * don't advertise the feature under CONFIG_X86_32. @@ -627,6 +695,7 @@ clear_all: setup_clear_cpu_cap(X86_FEATURE_SME); clear_sev: setup_clear_cpu_cap(X86_FEATURE_SEV); + setup_clear_cpu_cap(X86_FEATURE_SEV_ES); } } @@ -918,6 +987,47 @@ static void init_amd_zn(struct cpuinfo_x86 *c) } } +static bool cpu_has_zenbleed_microcode(void) +{ + u32 good_rev = 0; + + switch (boot_cpu_data.x86_model) { + case 0x30 ... 0x3f: good_rev = 0x0830107a; break; + case 0x60 ... 0x67: good_rev = 0x0860010b; break; + case 0x68 ... 0x6f: good_rev = 0x08608105; break; + case 0x70 ... 0x7f: good_rev = 0x08701032; break; + case 0xa0 ... 0xaf: good_rev = 0x08a00008; break; + + default: + return false; + break; + } + + if (boot_cpu_data.microcode < good_rev) + return false; + + return true; +} + +static void zenbleed_check(struct cpuinfo_x86 *c) +{ + if (!cpu_has_amd_erratum(c, amd_zenbleed)) + return; + + if (cpu_has(c, X86_FEATURE_HYPERVISOR)) + return; + + if (!cpu_has(c, X86_FEATURE_AVX)) + return; + + if (!cpu_has_zenbleed_microcode()) { + pr_notice_once("Zenbleed: please update your microcode for the most optimal fix\n"); + msr_set_bit(MSR_AMD64_DE_CFG, MSR_AMD64_DE_CFG_ZEN2_FP_BACKUP_FIX_BIT); + } else { + msr_clear_bit(MSR_AMD64_DE_CFG, MSR_AMD64_DE_CFG_ZEN2_FP_BACKUP_FIX_BIT); + } +} + static void init_amd(struct cpuinfo_x86 *c) { early_init_amd(c); @@ -1005,6 +1115,8 @@ static void init_amd(struct cpuinfo_x86 *c) msr_set_bit(MSR_K7_HWCR, MSR_K7_HWCR_IRPERF_EN_BIT); check_null_seg_clears_base(c); + + zenbleed_check(c); } #ifdef CONFIG_X86_32 @@ -1100,73 +1212,6 @@ static const struct cpu_dev amd_cpu_dev = { cpu_dev_register(amd_cpu_dev); -/* - * AMD errata checking - * - * Errata are defined as arrays of ints using the AMD_LEGACY_ERRATUM() or - * AMD_OSVW_ERRATUM() macros. The latter is intended for newer errata that - * have an OSVW id assigned, which it takes as first argument. Both take a - * variable number of family-specific model-stepping ranges created by - * AMD_MODEL_RANGE(). - * - * Example: - * - * const int amd_erratum_319[] = - * AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x10, 0x2, 0x1, 0x4, 0x2), - * AMD_MODEL_RANGE(0x10, 0x8, 0x0, 0x8, 0x0), - * AMD_MODEL_RANGE(0x10, 0x9, 0x0, 0x9, 0x0)); - */ - -#define AMD_LEGACY_ERRATUM(...) { -1, __VA_ARGS__, 0 } -#define AMD_OSVW_ERRATUM(osvw_id, ...) { osvw_id, __VA_ARGS__, 0 } -#define AMD_MODEL_RANGE(f, m_start, s_start, m_end, s_end) \ - ((f << 24) | (m_start << 16) | (s_start << 12) | (m_end << 4) | (s_end)) -#define AMD_MODEL_RANGE_FAMILY(range) (((range) >> 24) & 0xff) -#define AMD_MODEL_RANGE_START(range) (((range) >> 12) & 0xfff) -#define AMD_MODEL_RANGE_END(range) ((range) & 0xfff) - -static const int amd_erratum_400[] = - AMD_OSVW_ERRATUM(1, AMD_MODEL_RANGE(0xf, 0x41, 0x2, 0xff, 0xf), - AMD_MODEL_RANGE(0x10, 0x2, 0x1, 0xff, 0xf)); - -static const int amd_erratum_383[] = - AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf)); - -/* #1054: Instructions Retired Performance Counter May Be Inaccurate */ -static const int amd_erratum_1054[] = - AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0, 0, 0x2f, 0xf)); - -static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum) -{ - int osvw_id = *erratum++; - u32 range; - u32 ms; - - if (osvw_id >= 0 && osvw_id < 65536 && - cpu_has(cpu, X86_FEATURE_OSVW)) { - u64 osvw_len; - - rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, osvw_len); - if (osvw_id < osvw_len) { - u64 osvw_bits; - - rdmsrl(MSR_AMD64_OSVW_STATUS + (osvw_id >> 6), - osvw_bits); - return osvw_bits & (1ULL << (osvw_id & 0x3f)); - } - } - - /* OSVW unavailable or ID unknown, match family-model-stepping range */ - ms = (cpu->x86_model << 4) | cpu->x86_stepping; - while ((range = *erratum++)) - if ((cpu->x86 == AMD_MODEL_RANGE_FAMILY(range)) && - (ms >= AMD_MODEL_RANGE_START(range)) && - (ms <= AMD_MODEL_RANGE_END(range))) - return true; - - return false; -} - void set_dr_addr_mask(unsigned long mask, int dr) { if (!boot_cpu_has(X86_FEATURE_BPEXT)) @@ -1185,3 +1230,15 @@ void set_dr_addr_mask(unsigned long mask, int dr) break; } } + +static void zenbleed_check_cpu(void *unused) +{ + struct cpuinfo_x86 *c = &cpu_data(smp_processor_id()); + + zenbleed_check(c); +} + +void amd_check_microcode(void) +{ + on_each_cpu(zenbleed_check_cpu, NULL, 1); +} diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 75ca28bb267c..48ae44cf7795 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -9,7 +9,6 @@ * - Andrew D. Balsa (code cleanup). */ #include -#include #include #include #include @@ -25,9 +24,7 @@ #include #include #include -#include #include -#include #include #include #include @@ -47,6 +44,7 @@ static void __init md_clear_select_mitigation(void); static void __init taa_select_mitigation(void); static void __init mmio_select_mitigation(void); static void __init srbds_select_mitigation(void); +static void __init gds_select_mitigation(void); /* The base value of the SPEC_CTRL MSR without task-specific bits set */ u64 x86_spec_ctrl_base; @@ -115,21 +113,8 @@ EXPORT_SYMBOL_GPL(mds_idle_clear); DEFINE_STATIC_KEY_FALSE(mmio_stale_data_clear); EXPORT_SYMBOL_GPL(mmio_stale_data_clear); -void __init check_bugs(void) +void __init cpu_select_mitigations(void) { - identify_boot_cpu(); - - /* - * identify_boot_cpu() initialized SMT support information, let the - * core code know. - */ - cpu_smt_check_topology(); - - if (!IS_ENABLED(CONFIG_SMP)) { - pr_info("CPU: "); - print_cpu_info(&boot_cpu_data); - } - /* * Read the SPEC_CTRL MSR to account for reserved bits which may * have unknown values. AMD64_LS_CFG MSR is cached in the early AMD @@ -165,39 +150,7 @@ void __init check_bugs(void) l1tf_select_mitigation(); md_clear_select_mitigation(); srbds_select_mitigation(); - - arch_smt_update(); - -#ifdef CONFIG_X86_32 - /* - * Check whether we are able to run this kernel safely on SMP. - * - * - i386 is no longer supported. - * - In order to run on anything without a TSC, we need to be - * compiled for a i486. - */ - if (boot_cpu_data.x86 < 4) - panic("Kernel requires i486+ for 'invlpg' and other features"); - - init_utsname()->machine[1] = - '0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86); - alternative_instructions(); - - fpu__init_check_bugs(); -#else /* CONFIG_X86_64 */ - alternative_instructions(); - - /* - * Make sure the first 2MB area is not mapped by huge pages - * There are typically fixed size MTRRs in there and overlapping - * MTRRs into large pages causes slow downs. - * - * Right now we don't do that with gbpages because there seems - * very little benefit for that case. - */ - if (!direct_gbpages) - set_memory_4k((unsigned long)__va(0), 1); -#endif + gds_select_mitigation(); } /* @@ -648,6 +601,149 @@ static int __init srbds_parse_cmdline(char *str) } early_param("srbds", srbds_parse_cmdline); +#undef pr_fmt +#define pr_fmt(fmt) "GDS: " fmt + +enum gds_mitigations { + GDS_MITIGATION_OFF, + GDS_MITIGATION_UCODE_NEEDED, + GDS_MITIGATION_FORCE, + GDS_MITIGATION_FULL, + GDS_MITIGATION_FULL_LOCKED, + GDS_MITIGATION_HYPERVISOR, +}; + +#if IS_ENABLED(CONFIG_GDS_FORCE_MITIGATION) +static enum gds_mitigations gds_mitigation __ro_after_init = GDS_MITIGATION_FORCE; +#else +static enum gds_mitigations gds_mitigation __ro_after_init = GDS_MITIGATION_FULL; +#endif + +static const char * const gds_strings[] = { + [GDS_MITIGATION_OFF] = "Vulnerable", + [GDS_MITIGATION_UCODE_NEEDED] = "Vulnerable: No microcode", + [GDS_MITIGATION_FORCE] = "Mitigation: AVX disabled, no microcode", + [GDS_MITIGATION_FULL] = "Mitigation: Microcode", + [GDS_MITIGATION_FULL_LOCKED] = "Mitigation: Microcode (locked)", + [GDS_MITIGATION_HYPERVISOR] = "Unknown: Dependent on hypervisor status", +}; + +bool gds_ucode_mitigated(void) +{ + return (gds_mitigation == GDS_MITIGATION_FULL || + gds_mitigation == GDS_MITIGATION_FULL_LOCKED); +} +EXPORT_SYMBOL_GPL(gds_ucode_mitigated); + +void update_gds_msr(void) +{ + u64 mcu_ctrl_after; + u64 mcu_ctrl; + + switch (gds_mitigation) { + case GDS_MITIGATION_OFF: + rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl); + mcu_ctrl |= GDS_MITG_DIS; + break; + case GDS_MITIGATION_FULL_LOCKED: + /* + * The LOCKED state comes from the boot CPU. APs might not have + * the same state. Make sure the mitigation is enabled on all + * CPUs. + */ + case GDS_MITIGATION_FULL: + rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl); + mcu_ctrl &= ~GDS_MITG_DIS; + break; + case GDS_MITIGATION_FORCE: + case GDS_MITIGATION_UCODE_NEEDED: + case GDS_MITIGATION_HYPERVISOR: + return; + }; + + wrmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl); + + /* + * Check to make sure that the WRMSR value was not ignored. Writes to + * GDS_MITG_DIS will be ignored if this processor is locked but the boot + * processor was not. + */ + rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl_after); + WARN_ON_ONCE(mcu_ctrl != mcu_ctrl_after); +} + +static void __init gds_select_mitigation(void) +{ + u64 mcu_ctrl; + + if (!boot_cpu_has_bug(X86_BUG_GDS)) + return; + + if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) { + gds_mitigation = GDS_MITIGATION_HYPERVISOR; + goto out; + } + + if (cpu_mitigations_off()) + gds_mitigation = GDS_MITIGATION_OFF; + /* Will verify below that mitigation _can_ be disabled */ + + /* No microcode */ + if (!(x86_read_arch_cap_msr() & ARCH_CAP_GDS_CTRL)) { + if (gds_mitigation == GDS_MITIGATION_FORCE) { + /* + * This only needs to be done on the boot CPU so do it + * here rather than in update_gds_msr() + */ + setup_clear_cpu_cap(X86_FEATURE_AVX); + pr_warn("Microcode update needed! Disabling AVX as mitigation.\n"); + } else { + gds_mitigation = GDS_MITIGATION_UCODE_NEEDED; + } + goto out; + } + + /* Microcode has mitigation, use it */ + if (gds_mitigation == GDS_MITIGATION_FORCE) + gds_mitigation = GDS_MITIGATION_FULL; + + rdmsrl(MSR_IA32_MCU_OPT_CTRL, mcu_ctrl); + if (mcu_ctrl & GDS_MITG_LOCKED) { + if (gds_mitigation == GDS_MITIGATION_OFF) + pr_warn("Mitigation locked. Disable failed.\n"); + + /* + * The mitigation is selected from the boot CPU. All other CPUs + * _should_ have the same state. If the boot CPU isn't locked + * but others are then update_gds_msr() will WARN() of the state + * mismatch. If the boot CPU is locked update_gds_msr() will + * ensure the other CPUs have the mitigation enabled. + */ + gds_mitigation = GDS_MITIGATION_FULL_LOCKED; + } + + update_gds_msr(); +out: + pr_info("%s\n", gds_strings[gds_mitigation]); +} + +static int __init gds_parse_cmdline(char *str) +{ + if (!str) + return -EINVAL; + + if (!boot_cpu_has_bug(X86_BUG_GDS)) + return 0; + + if (!strcmp(str, "off")) + gds_mitigation = GDS_MITIGATION_OFF; + else if (!strcmp(str, "force")) + gds_mitigation = GDS_MITIGATION_FORCE; + + return 0; +} +early_param("gather_data_sampling", gds_parse_cmdline); + #undef pr_fmt #define pr_fmt(fmt) "Spectre V1 : " fmt @@ -2207,6 +2303,11 @@ static ssize_t retbleed_show_state(char *buf) return sprintf(buf, "%s\n", retbleed_strings[retbleed_mitigation]); } +static ssize_t gds_show_state(char *buf) +{ + return sysfs_emit(buf, "%s\n", gds_strings[gds_mitigation]); +} + static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr, char *buf, unsigned int bug) { @@ -2256,6 +2357,9 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr case X86_BUG_RETBLEED: return retbleed_show_state(buf); + case X86_BUG_GDS: + return gds_show_state(buf); + default: break; } @@ -2320,4 +2424,9 @@ ssize_t cpu_show_retbleed(struct device *dev, struct device_attribute *attr, cha { return cpu_show_common(dev, attr, buf, X86_BUG_RETBLEED); } + +ssize_t cpu_show_gds(struct device *dev, struct device_attribute *attr, char *buf) +{ + return cpu_show_common(dev, attr, buf, X86_BUG_GDS); +} #endif diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 5e1e32f1086b..0c0c2cb038ad 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -17,11 +17,16 @@ #include #include #include +#include #include +#include #include #include #include +#include + +#include #include #include #include @@ -57,6 +62,7 @@ #ifdef CONFIG_X86_LOCAL_APIC #include #endif +#include #include "cpu.h" @@ -444,8 +450,6 @@ static bool pku_disabled; static __always_inline void setup_pku(struct cpuinfo_x86 *c) { - struct pkru_state *pk; - /* check the boot processor, plus compile options for PKU: */ if (!cpu_feature_enabled(X86_FEATURE_PKU)) return; @@ -456,9 +460,6 @@ static __always_inline void setup_pku(struct cpuinfo_x86 *c) return; cr4_set_bits(X86_CR4_PKE); - pk = get_xsave_addr(&init_fpstate.xsave, XFEATURE_PKRU); - if (pk) - pk->pkru = init_pkru_value; /* * Seting X86_CR4_PKE will cause the X86_FEATURE_OSPKE * cpuid bit to be set. We need to ensure that we @@ -961,6 +962,12 @@ void get_cpu_cap(struct cpuinfo_x86 *c) if (c->extended_cpuid_level >= 0x8000000a) c->x86_capability[CPUID_8000_000A_EDX] = cpuid_edx(0x8000000a); + if (c->extended_cpuid_level >= 0x8000001f) + c->x86_capability[CPUID_8000_001F_EAX] = cpuid_eax(0x8000001f); + + if (c->extended_cpuid_level >= 0x80000021) + c->x86_capability[CPUID_8000_0021_EAX] = cpuid_eax(0x80000021); + init_scattered_cpuid_features(c); init_speculation_control(c); init_cqm(c); @@ -1123,6 +1130,12 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = { #define MMIO_SBDS BIT(2) /* CPU is affected by RETbleed, speculating where you would not expect it */ #define RETBLEED BIT(3) +/* CPU is affected by SMT (cross-thread) return predictions */ +#define SMT_RSB BIT(4) +/* CPU is affected by SRSO */ +#define SRSO BIT(5) +/* CPU is affected by GDS */ +#define GDS BIT(6) static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = { VULNBL_INTEL_STEPPINGS(IVYBRIDGE, X86_STEPPING_ANY, SRBDS), @@ -1135,19 +1148,21 @@ static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = { VULNBL_INTEL_STEPPINGS(BROADWELL_X, X86_STEPPING_ANY, MMIO), VULNBL_INTEL_STEPPINGS(BROADWELL, X86_STEPPING_ANY, SRBDS), VULNBL_INTEL_STEPPINGS(SKYLAKE_L, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED), - VULNBL_INTEL_STEPPINGS(SKYLAKE_X, X86_STEPPING_ANY, MMIO | RETBLEED), + VULNBL_INTEL_STEPPINGS(SKYLAKE_X, X86_STEPPING_ANY, MMIO | RETBLEED | GDS), VULNBL_INTEL_STEPPINGS(SKYLAKE, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED), - VULNBL_INTEL_STEPPINGS(KABYLAKE_L, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED), - VULNBL_INTEL_STEPPINGS(KABYLAKE, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED), + VULNBL_INTEL_STEPPINGS(KABYLAKE_L, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED | GDS), + VULNBL_INTEL_STEPPINGS(KABYLAKE, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED | GDS), VULNBL_INTEL_STEPPINGS(CANNONLAKE_L, X86_STEPPING_ANY, RETBLEED), - VULNBL_INTEL_STEPPINGS(ICELAKE_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED), - VULNBL_INTEL_STEPPINGS(ICELAKE_D, X86_STEPPING_ANY, MMIO), - VULNBL_INTEL_STEPPINGS(ICELAKE_X, X86_STEPPING_ANY, MMIO), - VULNBL_INTEL_STEPPINGS(COMETLAKE, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED), + VULNBL_INTEL_STEPPINGS(ICELAKE_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED | GDS), + VULNBL_INTEL_STEPPINGS(ICELAKE_D, X86_STEPPING_ANY, MMIO | GDS), + VULNBL_INTEL_STEPPINGS(ICELAKE_X, X86_STEPPING_ANY, MMIO | GDS), + VULNBL_INTEL_STEPPINGS(COMETLAKE, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED | GDS), VULNBL_INTEL_STEPPINGS(COMETLAKE_L, X86_STEPPINGS(0x0, 0x0), MMIO | RETBLEED), - VULNBL_INTEL_STEPPINGS(COMETLAKE_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED), + VULNBL_INTEL_STEPPINGS(COMETLAKE_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED | GDS), + VULNBL_INTEL_STEPPINGS(TIGERLAKE_L, X86_STEPPING_ANY, GDS), + VULNBL_INTEL_STEPPINGS(TIGERLAKE, X86_STEPPING_ANY, GDS), VULNBL_INTEL_STEPPINGS(LAKEFIELD, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED), - VULNBL_INTEL_STEPPINGS(ROCKETLAKE, X86_STEPPING_ANY, MMIO | RETBLEED), + VULNBL_INTEL_STEPPINGS(ROCKETLAKE, X86_STEPPING_ANY, MMIO | RETBLEED | GDS), VULNBL_INTEL_STEPPINGS(ATOM_TREMONT, X86_STEPPING_ANY, MMIO | MMIO_SBDS), VULNBL_INTEL_STEPPINGS(ATOM_TREMONT_D, X86_STEPPING_ANY, MMIO), VULNBL_INTEL_STEPPINGS(ATOM_TREMONT_L, X86_STEPPING_ANY, MMIO | MMIO_SBDS), @@ -1273,6 +1288,16 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c) !(ia32_cap & ARCH_CAP_PBRSB_NO)) setup_force_cpu_bug(X86_BUG_EIBRS_PBRSB); + /* + * Check if CPU is vulnerable to GDS. If running in a virtual machine on + * an affected processor, the VMM may have disabled the use of GATHER by + * disabling AVX2. The only way to do this in HW is to clear XCR0[2], + * which means that AVX will be disabled. + */ + if (cpu_matches(cpu_vuln_blacklist, GDS) && !(ia32_cap & ARCH_CAP_GDS_NO) && + boot_cpu_has(X86_FEATURE_AVX)) + setup_force_cpu_bug(X86_BUG_GDS); + if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN)) return; @@ -1358,8 +1383,6 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c) cpu_set_bug_bits(c); - fpu__init_system(c); - #ifdef CONFIG_X86_32 /* * Regardless of whether PCID is enumerated, the SDM says @@ -1751,6 +1774,8 @@ void identify_secondary_cpu(struct cpuinfo_x86 *c) validate_apic_and_package_id(c); x86_spec_ctrl_setup_ap(); update_srbds_msr(); + if (boot_cpu_has_bug(X86_BUG_GDS)) + update_gds_msr(); } static __init int setup_noclflush(char *arg) @@ -2049,8 +2074,6 @@ void cpu_init(void) clear_all_debug_regs(); dbg_restore_debug_regs(); - fpu__init_cpu(); - if (is_uv_system()) uv_cpu_init(); @@ -2108,8 +2131,6 @@ void cpu_init(void) clear_all_debug_regs(); dbg_restore_debug_regs(); - fpu__init_cpu(); - load_fixmap_gdt(cpu); } #endif @@ -2125,6 +2146,8 @@ void microcode_check(void) perf_check_microcode(); + amd_check_microcode(); + /* Reload CPUID max function as it might've changed. */ info.cpuid_level = cpuid_eax(0); @@ -2154,3 +2177,69 @@ void arch_smt_update(void) /* Check whether IPI broadcasting can be enabled */ apic_smt_update(); } + +void __init arch_cpu_finalize_init(void) +{ + identify_boot_cpu(); + + /* + * identify_boot_cpu() initialized SMT support information, let the + * core code know. + */ + cpu_smt_check_topology(); + + if (!IS_ENABLED(CONFIG_SMP)) { + pr_info("CPU: "); + print_cpu_info(&boot_cpu_data); + } + + cpu_select_mitigations(); + + arch_smt_update(); + + if (IS_ENABLED(CONFIG_X86_32)) { + /* + * Check whether this is a real i386 which is not longer + * supported and fixup the utsname. + */ + if (boot_cpu_data.x86 < 4) + panic("Kernel requires i486+ for 'invlpg' and other features"); + + init_utsname()->machine[1] = + '0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86); + } + + /* + * Must be before alternatives because it might set or clear + * feature bits. + */ + fpu__init_system(); + fpu__init_cpu(); + + alternative_instructions(); + + if (IS_ENABLED(CONFIG_X86_64)) { + /* + * Make sure the first 2MB area is not mapped by huge pages + * There are typically fixed size MTRRs in there and overlapping + * MTRRs into large pages causes slow downs. + * + * Right now we don't do that with gbpages because there seems + * very little benefit for that case. + */ + if (!direct_gbpages) + set_memory_4k((unsigned long)__va(0), 1); + } else { + fpu__init_check_bugs(); + } + + /* + * This needs to be called before any devices perform DMA + * operations that might use the SWIOTLB bounce buffers. It will + * mark the bounce buffers as decrypted so that their usage will + * not cause "plain-text" data to be decrypted when accessed. It + * must be called after late_time_init() so that Hyper-V x86/x64 + * hypercalls work when the SWIOTLB bounce buffers are decrypted. + */ + mem_encrypt_init(); +} diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h index 4d04c127c4a7..8a64520b5310 100644 --- a/arch/x86/kernel/cpu/cpu.h +++ b/arch/x86/kernel/cpu/cpu.h @@ -76,9 +76,11 @@ extern void detect_ht(struct cpuinfo_x86 *c); extern void check_null_seg_clears_base(struct cpuinfo_x86 *c); unsigned int aperfmperf_get_khz(int cpu); +void cpu_select_mitigations(void); extern void x86_spec_ctrl_setup_ap(void); extern void update_srbds_msr(void); +extern void update_gds_msr(void); extern u64 x86_read_arch_cap_msr(void); diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index 7fff0afa5246..2852c99196fa 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -700,7 +700,7 @@ static enum ucode_state apply_microcode_amd(int cpu) rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy); /* need to apply patch? */ - if (rev >= mc_amd->hdr.patch_id) { + if (rev > mc_amd->hdr.patch_id) { ret = UCODE_OK; goto out; } diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index 0e4f14dae1c0..91016bb18d4f 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -593,6 +593,18 @@ static int __rdtgroup_move_task(struct task_struct *tsk, return 0; } +static bool is_closid_match(struct task_struct *t, struct rdtgroup *r) +{ + return (rdt_alloc_capable && + (r->type == RDTCTRL_GROUP) && (t->closid == r->closid)); +} + +static bool is_rmid_match(struct task_struct *t, struct rdtgroup *r) +{ + return (rdt_mon_capable && + (r->type == RDTMON_GROUP) && (t->rmid == r->mon.rmid)); +} + /** * rdtgroup_tasks_assigned - Test if tasks have been assigned to resource group * @r: Resource group @@ -608,8 +620,7 @@ int rdtgroup_tasks_assigned(struct rdtgroup *r) rcu_read_lock(); for_each_process_thread(p, t) { - if ((r->type == RDTCTRL_GROUP && t->closid == r->closid) || - (r->type == RDTMON_GROUP && t->rmid == r->mon.rmid)) { + if (is_closid_match(t, r) || is_rmid_match(t, r)) { ret = 1; break; } @@ -704,12 +715,15 @@ unlock: static void show_rdt_tasks(struct rdtgroup *r, struct seq_file *s) { struct task_struct *p, *t; + pid_t pid; rcu_read_lock(); for_each_process_thread(p, t) { - if ((r->type == RDTCTRL_GROUP && t->closid == r->closid) || - (r->type == RDTMON_GROUP && t->rmid == r->mon.rmid)) - seq_printf(s, "%d\n", t->pid); + if (is_closid_match(t, r) || is_rmid_match(t, r)) { + pid = task_pid_vnr(t); + if (pid) + seq_printf(s, "%d\n", pid); + } } rcu_read_unlock(); } @@ -2148,18 +2162,6 @@ static int reset_all_ctrls(struct rdt_resource *r) return 0; } -static bool is_closid_match(struct task_struct *t, struct rdtgroup *r) -{ - return (rdt_alloc_capable && - (r->type == RDTCTRL_GROUP) && (t->closid == r->closid)); -} - -static bool is_rmid_match(struct task_struct *t, struct rdtgroup *r) -{ - return (rdt_mon_capable && - (r->type == RDTMON_GROUP) && (t->rmid == r->mon.rmid)); -} - /* * Move tasks from one to the other group. If @from is NULL, then all tasks * in the systems are moved unconditionally (used for teardown). diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c index a03e309a0ac5..37f716eaf0e6 100644 --- a/arch/x86/kernel/cpu/scattered.c +++ b/arch/x86/kernel/cpu/scattered.c @@ -40,9 +40,6 @@ static const struct cpuid_bit cpuid_bits[] = { { X86_FEATURE_CPB, CPUID_EDX, 9, 0x80000007, 0 }, { X86_FEATURE_PROC_FEEDBACK, CPUID_EDX, 11, 0x80000007, 0 }, { X86_FEATURE_MBA, CPUID_EBX, 6, 0x80000008, 0 }, - { X86_FEATURE_SME, CPUID_EAX, 0, 0x8000001f, 0 }, - { X86_FEATURE_SEV, CPUID_EAX, 1, 0x8000001f, 0 }, - { X86_FEATURE_SME_COHERENT, CPUID_EAX, 10, 0x8000001f, 0 }, { 0, 0, 0, 0, 0 } }; diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c index 24da5ee4f022..5729ed7bb3e7 100644 --- a/arch/x86/kernel/cpu/topology.c +++ b/arch/x86/kernel/cpu/topology.c @@ -79,7 +79,7 @@ int detect_extended_topology_early(struct cpuinfo_x86 *c) * initial apic id, which also represents 32-bit extended x2apic id. */ c->initial_apicid = edx; - smp_num_siblings = LEVEL_MAX_SIBLINGS(ebx); + smp_num_siblings = max_t(int, smp_num_siblings, LEVEL_MAX_SIBLINGS(ebx)); #endif return 0; } @@ -107,7 +107,8 @@ int detect_extended_topology(struct cpuinfo_x86 *c) */ cpuid_count(leaf, SMT_LEVEL, &eax, &ebx, &ecx, &edx); c->initial_apicid = edx; - core_level_siblings = smp_num_siblings = LEVEL_MAX_SIBLINGS(ebx); + core_level_siblings = LEVEL_MAX_SIBLINGS(ebx); + smp_num_siblings = max_t(int, smp_num_siblings, LEVEL_MAX_SIBLINGS(ebx)); core_plus_mask_width = ht_mask_width = BITS_SHIFT_NEXT_LEVEL(eax); die_level_siblings = LEVEL_MAX_SIBLINGS(ebx); die_plus_mask_width = BITS_SHIFT_NEXT_LEVEL(eax); diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index e72042dc9487..9b2bbb66d0c8 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -171,7 +171,6 @@ void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, printk("%sCall Trace:\n", log_lvl); unwind_start(&state, task, regs, stack); - stack = stack ? : get_stack_pointer(task, regs); regs = unwind_get_entry_regs(&state, &partial); /* @@ -190,9 +189,13 @@ void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, * - hardirq stack * - entry stack */ - for ( ; stack; stack = PTR_ALIGN(stack_info.next_sp, sizeof(long))) { + for (stack = stack ?: get_stack_pointer(task, regs); + stack; + stack = stack_info.next_sp) { const char *stack_name; + stack = PTR_ALIGN(stack, sizeof(long)); + if (get_stack_info(stack, task, &stack_info, &visit_mask)) { /* * We weren't on a valid stack. It's possible that diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index 17d092eb1934..5e710ad6a3c0 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -50,7 +50,7 @@ void fpu__init_cpu(void) fpu__init_cpu_xstate(); } -static bool fpu__probe_without_cpuid(void) +static bool __init fpu__probe_without_cpuid(void) { unsigned long cr0; u16 fsw, fcw; @@ -68,7 +68,7 @@ static bool fpu__probe_without_cpuid(void) return fsw == 0 && (fcw & 0x103f) == 0x003f; } -static void fpu__init_system_early_generic(struct cpuinfo_x86 *c) +static void __init fpu__init_system_early_generic(void) { if (!boot_cpu_has(X86_FEATURE_CPUID) && !test_bit(X86_FEATURE_FPU, (unsigned long *)cpu_caps_cleared)) { @@ -290,10 +290,10 @@ static void __init fpu__init_parse_early_param(void) * Called on the boot CPU once per system bootup, to set up the initial * FPU state that is later cloned into all processes: */ -void __init fpu__init_system(struct cpuinfo_x86 *c) +void __init fpu__init_system(void) { fpu__init_parse_early_param(); - fpu__init_system_early_generic(c); + fpu__init_system_early_generic(); /* * The FPU has to be operational for some of the diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index 1daf8f2aa21f..c205f30147cc 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -95,7 +95,7 @@ static void ich_force_hpet_resume(void) static void ich_force_enable_hpet(struct pci_dev *dev) { u32 val; - u32 uninitialized_var(rcba); + u32 rcba; int err = 0; if (hpet_address || force_hpet_address) @@ -185,7 +185,7 @@ static void hpet_print_force_info(void) static void old_ich_force_hpet_resume(void) { u32 val; - u32 uninitialized_var(gen_cntl); + u32 gen_cntl; if (!force_hpet_address || !cached_dev) return; @@ -207,7 +207,7 @@ static void old_ich_force_hpet_resume(void) static void old_ich_force_enable_hpet(struct pci_dev *dev) { u32 val; - u32 uninitialized_var(gen_cntl); + u32 gen_cntl; if (hpet_address || force_hpet_address) return; @@ -298,7 +298,7 @@ static void vt8237_force_hpet_resume(void) static void vt8237_force_enable_hpet(struct pci_dev *dev) { - u32 uninitialized_var(val); + u32 val; if (hpet_address || force_hpet_address) return; @@ -429,7 +429,7 @@ static void nvidia_force_hpet_resume(void) static void nvidia_force_enable_hpet(struct pci_dev *dev) { - u32 uninitialized_var(val); + u32 val; if (hpet_address || force_hpet_address) return; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 1699d18bd154..d6a8efff9c61 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -99,6 +99,17 @@ DEFINE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map); DEFINE_PER_CPU_READ_MOSTLY(struct cpuinfo_x86, cpu_info); EXPORT_PER_CPU_SYMBOL(cpu_info); +struct mwait_cpu_dead { + unsigned int control; + unsigned int status; +}; + +/* + * Cache line aligned data for mwait_play_dead(). Separate on purpose so + * that it's unlikely to be touched by other CPUs. + */ +static DEFINE_PER_CPU_ALIGNED(struct mwait_cpu_dead, mwait_cpu_dead); + /* Logical package management. We might want to allocate that dynamically */ unsigned int __max_logical_packages __read_mostly; EXPORT_SYMBOL(__max_logical_packages); @@ -224,6 +235,7 @@ static void notrace start_secondary(void *unused) #endif load_current_idt(); cpu_init(); + fpu__init_cpu(); rcu_cpu_starting(raw_smp_processor_id()); x86_cpuinit.early_percpu_clock_init(); preempt_disable(); @@ -1675,10 +1687,10 @@ static bool wakeup_cpu0(void) */ static inline void mwait_play_dead(void) { + struct mwait_cpu_dead *md = this_cpu_ptr(&mwait_cpu_dead); unsigned int eax, ebx, ecx, edx; unsigned int highest_cstate = 0; unsigned int highest_subcstate = 0; - void *mwait_ptr; int i; if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD || @@ -1713,13 +1725,6 @@ static inline void mwait_play_dead(void) (highest_subcstate - 1); } - /* - * This should be a memory location in a cache line which is - * unlikely to be touched by other processors. The actual - * content is immaterial as it is not actually modified in any way. - */ - mwait_ptr = ¤t_thread_info()->flags; - wbinvd(); while (1) { @@ -1731,9 +1736,9 @@ static inline void mwait_play_dead(void) * case where we return around the loop. */ mb(); - clflush(mwait_ptr); + clflush(md); mb(); - __monitor(mwait_ptr, 0, 0); + __monitor(md, 0, 0); mb(); __mwait(eax, 0); /* diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index 7dec43b2c420..defae8082789 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -53,6 +53,7 @@ static const struct cpuid_reg reverse_cpuid[] = { [CPUID_7_ECX] = { 7, 0, CPUID_ECX}, [CPUID_8000_0007_EBX] = {0x80000007, 0, CPUID_EBX}, [CPUID_7_EDX] = { 7, 0, CPUID_EDX}, + [CPUID_8000_0021_EAX] = {0x80000021, 0, CPUID_EAX}, }; static __always_inline struct cpuid_reg x86_feature_cpuid(unsigned x86_feature) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index c5a9de8d0725..e9444e202c33 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -6246,7 +6246,8 @@ out: static void svm_handle_exit_irqoff(struct kvm_vcpu *vcpu) { - + if (to_svm(vcpu)->vmcb->control.exit_code == SVM_EXIT_INTR) + vcpu->arch.at_instruction_boundary = true; } static void svm_sched_in(struct kvm_vcpu *vcpu, int cpu) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index e6dd6a7e8689..c93070829790 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6358,6 +6358,7 @@ static void handle_external_interrupt_irqoff(struct kvm_vcpu *vcpu) ); kvm_after_interrupt(vcpu); + vcpu->arch.at_instruction_boundary = true; } STACK_FRAME_NON_STANDARD(handle_external_interrupt_irqoff); @@ -7266,6 +7267,21 @@ static int vmx_check_intercept(struct kvm_vcpu *vcpu, /* FIXME: produce nested vmexit and return X86EMUL_INTERCEPTED. */ break; + case x86_intercept_pause: + /* + * PAUSE is a single-byte NOP with a REPE prefix, i.e. collides + * with vanilla NOPs in the emulator. Apply the interception + * check only to actual PAUSE instructions. Don't check + * PAUSE-loop-exiting, software can't expect a given PAUSE to + * exit, i.e. KVM is within its rights to allow L2 to execute + * the PAUSE. + */ + if ((info->rep_prefix != REPE_PREFIX) || + !nested_cpu_has2(vmcs12, CPU_BASED_PAUSE_EXITING)) + return X86EMUL_CONTINUE; + + break; + /* TODO: check more intercepts... */ default: break; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index f5e9590a8f31..8dd1d1c81c79 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -207,6 +207,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "nmi_injections", VCPU_STAT(nmi_injections) }, { "req_event", VCPU_STAT(req_event) }, { "l1d_flush", VCPU_STAT(l1d_flush) }, + { "preemption_reported", VCPU_STAT(preemption_reported) }, + { "preemption_other", VCPU_STAT(preemption_other) }, { "mmu_shadow_zapped", VM_STAT(mmu_shadow_zapped) }, { "mmu_pte_write", VM_STAT(mmu_pte_write) }, { "mmu_pde_zapped", VM_STAT(mmu_pde_zapped) }, @@ -1407,6 +1409,9 @@ static u64 kvm_get_arch_capabilities(void) /* Guests don't need to know "Fill buffer clear control" exists */ data &= ~ARCH_CAP_FB_CLEAR_CTRL; + if (!boot_cpu_has_bug(X86_BUG_GDS) || gds_ucode_mitigated()) + data |= ARCH_CAP_GDS_NO; + return data; } @@ -3562,6 +3567,19 @@ static void kvm_steal_time_set_preempted(struct kvm_vcpu *vcpu) struct kvm_host_map map; struct kvm_steal_time *st; + /* + * The vCPU can be marked preempted if and only if the VM-Exit was on + * an instruction boundary and will not trigger guest emulation of any + * kind (see vcpu_run). Vendor specific code controls (conservatively) + * when this is true, for example allowing the vCPU to be marked + * preempted if and only if the VM-Exit was due to a host interrupt. + */ + if (!vcpu->arch.at_instruction_boundary) { + vcpu->stat.preemption_other++; + return; + } + + vcpu->stat.preemption_reported++; if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) return; @@ -8446,6 +8464,13 @@ static int vcpu_run(struct kvm_vcpu *vcpu) vcpu->arch.l1tf_flush_l1d = true; for (;;) { + /* + * If another guest vCPU requests a PV TLB flush in the middle + * of instruction emulation, the rest of the emulation could + * use a stale page translation. Assume that any code after + * this point can start executing an instruction. + */ + vcpu->arch.at_instruction_boundary = false; if (kvm_vcpu_running(vcpu)) { r = vcpu_enter_guest(vcpu); } else { diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index af352e228fa2..086b274fa60f 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -7,8 +7,10 @@ #include #include #include +#include #include +#include #include #include #include @@ -25,6 +27,7 @@ #include #include #include +#include /* * We need to define the tracepoints somewhere, and tlb.c @@ -208,6 +211,24 @@ static void __init probe_page_size_mask(void) } } +#define INTEL_MATCH(_model) { .vendor = X86_VENDOR_INTEL, \ + .family = 6, \ + .model = _model, \ + } +/* + * INVLPG may not properly flush Global entries + * on these CPUs when PCIDs are enabled. + */ +static const struct x86_cpu_id invlpg_miss_ids[] = { + INTEL_MATCH(INTEL_FAM6_ALDERLAKE ), + INTEL_MATCH(INTEL_FAM6_ALDERLAKE_L ), + INTEL_MATCH(INTEL_FAM6_ALDERLAKE_N ), + INTEL_MATCH(INTEL_FAM6_RAPTORLAKE ), + INTEL_MATCH(INTEL_FAM6_RAPTORLAKE_P), + INTEL_MATCH(INTEL_FAM6_RAPTORLAKE_S), + {} +}; + static void setup_pcid(void) { if (!IS_ENABLED(CONFIG_X86_64)) @@ -216,6 +237,12 @@ static void setup_pcid(void) if (!boot_cpu_has(X86_FEATURE_PCID)) return; + if (x86_match_cpu(invlpg_miss_ids)) { + pr_info("Incomplete global flushes, disabling PCID"); + setup_clear_cpu_cap(X86_FEATURE_PCID); + return; + } + if (boot_cpu_has(X86_FEATURE_PGE)) { /* * This can't be cr4_set_bits_and_update_boot() -- the @@ -710,9 +737,12 @@ void __init poking_init(void) spinlock_t *ptl; pte_t *ptep; - poking_mm = copy_init_mm(); + poking_mm = mm_alloc(); BUG_ON(!poking_mm); + /* Xen PV guests need the PGD to be pinned. */ + paravirt_arch_dup_mmap(NULL, poking_mm); + /* * Randomize the poking address, but make sure that the following page * will be mapped at the same PMD. We need 2 pages, so find space for 3, diff --git a/arch/x86/mm/kaslr.c b/arch/x86/mm/kaslr.c index dc6182eecefa..a37c2873fdb5 100644 --- a/arch/x86/mm/kaslr.c +++ b/arch/x86/mm/kaslr.c @@ -182,11 +182,11 @@ static void __meminit init_trampoline_pud(void) set_p4d(p4d_tramp, __p4d(_KERNPG_TABLE | __pa(pud_page_tramp))); - set_pgd(&trampoline_pgd_entry, - __pgd(_KERNPG_TABLE | __pa(p4d_page_tramp))); + trampoline_pgd_entry = + __pgd(_KERNPG_TABLE | __pa(p4d_page_tramp)); } else { - set_pgd(&trampoline_pgd_entry, - __pgd(_KERNPG_TABLE | __pa(pud_page_tramp))); + trampoline_pgd_entry = + __pgd(_KERNPG_TABLE | __pa(pud_page_tramp)); } } diff --git a/arch/x86/mm/pkeys.c b/arch/x86/mm/pkeys.c index c6f84c0b5d7a..ca77af96033b 100644 --- a/arch/x86/mm/pkeys.c +++ b/arch/x86/mm/pkeys.c @@ -10,7 +10,6 @@ #include /* boot_cpu_has, ... */ #include /* vma_pkey() */ -#include /* init_fpstate */ int __execute_only_pkey(struct mm_struct *mm) { @@ -154,7 +153,6 @@ static ssize_t init_pkru_read_file(struct file *file, char __user *user_buf, static ssize_t init_pkru_write_file(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { - struct pkru_state *pk; char buf[32]; ssize_t len; u32 new_init_pkru; @@ -177,10 +175,6 @@ static ssize_t init_pkru_write_file(struct file *file, return -EINVAL; WRITE_ONCE(init_pkru_value, new_init_pkru); - pk = get_xsave_addr(&init_fpstate.xsave, XFEATURE_PKRU); - if (!pk) - return -EINVAL; - pk->pkru = new_init_pkru; return count; } diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile index 969d2b2eb7d7..8309e230aeed 100644 --- a/arch/x86/purgatory/Makefile +++ b/arch/x86/purgatory/Makefile @@ -14,6 +14,11 @@ $(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE CFLAGS_sha256.o := -D__DISABLE_EXPORTS +# When profile-guided optimization is enabled, llvm emits two different +# overlapping text sections, which is not supported by kexec. Remove profile +# optimization flags. +KBUILD_CFLAGS := $(filter-out -fprofile-sample-use=% -fprofile-use=%,$(KBUILD_CFLAGS)) + LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib targets += purgatory.ro diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c index 928fbe63c96f..3a0a27d94c05 100644 --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include @@ -61,6 +62,7 @@ static void cpu_bringup(void) cr4_init(); cpu_init(); + fpu__init_cpu(); touch_softlockup_watchdog(); preempt_disable(); diff --git a/arch/xtensa/include/asm/bugs.h b/arch/xtensa/include/asm/bugs.h deleted file mode 100644 index 69b29d198249..000000000000 --- a/arch/xtensa/include/asm/bugs.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * include/asm-xtensa/bugs.h - * - * This is included by init/main.c to check for architecture-dependent bugs. - * - * Xtensa processors don't have any bugs. :) - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file "COPYING" in the main directory of - * this archive for more details. - */ - -#ifndef _XTENSA_BUGS_H -#define _XTENSA_BUGS_H - -static void check_bugs(void) { } - -#endif /* _XTENSA_BUGS_H */ diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c index fa9f3893b002..cbca91bb5334 100644 --- a/arch/xtensa/platforms/iss/network.c +++ b/arch/xtensa/platforms/iss/network.c @@ -231,7 +231,7 @@ static int tuntap_probe(struct iss_net_private *lp, int index, char *init) init += sizeof(TRANSPORT_TUNTAP_NAME) - 1; if (*init == ',') { - rem = split_if_spec(init + 1, &mac_str, &dev_name); + rem = split_if_spec(init + 1, &mac_str, &dev_name, NULL); if (rem != NULL) { pr_err("%s: extra garbage on specification : '%s'\n", dev->name, rem); diff --git a/block/blk-iocost.c b/block/blk-iocost.c index 4fdc8858a69a..e7d5aafa5e99 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -248,7 +248,9 @@ enum { /* 1/64k is granular enough and can easily be handled w/ u32 */ HWEIGHT_WHOLE = 1 << 16, +}; +enum { /* * As vtime is used to calculate the cost of each IO, it needs to * be fairly high precision. For example, it should be able to @@ -271,6 +273,11 @@ enum { VRATE_MIN = VTIME_PER_USEC * VRATE_MIN_PPM / MILLION, VRATE_CLAMP_ADJ_PCT = 4, + /* switch iff the conditions are met for longer than this */ + AUTOP_CYCLE_NSEC = 10LLU * NSEC_PER_SEC, +}; + +enum { /* if IOs end up waiting for requests, issue less */ RQ_WAIT_BUSY_PCT = 5, @@ -288,9 +295,6 @@ enum { SURPLUS_SCALE_ABS = HWEIGHT_WHOLE / 50, /* + 2% */ SURPLUS_MIN_ADJ_DELTA = HWEIGHT_WHOLE / 33, /* 3% */ - /* switch iff the conditions are met for longer than this */ - AUTOP_CYCLE_NSEC = 10LLU * NSEC_PER_SEC, - /* * Count IO size in 4k pages. The 12bit shift helps keeping * size-proportional components of cost calculation in closer diff --git a/block/blk-merge.c b/block/blk-merge.c index 8cb4f6a2fba0..e57c70e04038 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -479,7 +479,7 @@ static int __blk_bios_map_sg(struct request_queue *q, struct bio *bio, struct scatterlist *sglist, struct scatterlist **sg) { - struct bio_vec uninitialized_var(bvec), bvprv = { NULL }; + struct bio_vec bvec, bvprv = { NULL }; struct bvec_iter iter; int nsegs = 0; bool new_bio = false; diff --git a/block/partitions/amiga.c b/block/partitions/amiga.c index 560936617d9c..484a51bce39b 100644 --- a/block/partitions/amiga.c +++ b/block/partitions/amiga.c @@ -11,11 +11,19 @@ #define pr_fmt(fmt) fmt #include +#include +#include #include #include "check.h" #include "amiga.h" +/* magic offsets in partition DosEnvVec */ +#define NR_HD 3 +#define NR_SECT 5 +#define LO_CYL 9 +#define HI_CYL 10 + static __inline__ u32 checksum_block(__be32 *m, int size) { @@ -32,8 +40,12 @@ int amiga_partition(struct parsed_partitions *state) unsigned char *data; struct RigidDiskBlock *rdb; struct PartitionBlock *pb; - int start_sect, nr_sects, blk, part, res = 0; - int blksize = 1; /* Multiplier for disk block size */ + u64 start_sect, nr_sects; + sector_t blk, end_sect; + u32 cylblk; /* rdb_CylBlocks = nr_heads*sect_per_track */ + u32 nr_hd, nr_sect, lo_cyl, hi_cyl; + int part, res = 0; + unsigned int blksize = 1; /* Multiplier for disk block size */ int slot = 1; char b[BDEVNAME_SIZE]; @@ -43,7 +55,7 @@ int amiga_partition(struct parsed_partitions *state) data = read_part_sector(state, blk, §); if (!data) { if (warn_no_part) - pr_err("Dev %s: unable to read RDB block %d\n", + pr_err("Dev %s: unable to read RDB block %llu\n", bdevname(state->bdev, b), blk); res = -1; goto rdb_done; @@ -60,12 +72,12 @@ int amiga_partition(struct parsed_partitions *state) *(__be32 *)(data+0xdc) = 0; if (checksum_block((__be32 *)data, be32_to_cpu(rdb->rdb_SummedLongs) & 0x7F)==0) { - pr_err("Trashed word at 0xd0 in block %d ignored in checksum calculation\n", + pr_err("Trashed word at 0xd0 in block %llu ignored in checksum calculation\n", blk); break; } - pr_err("Dev %s: RDB in block %d has bad checksum\n", + pr_err("Dev %s: RDB in block %llu has bad checksum\n", bdevname(state->bdev, b), blk); } @@ -81,12 +93,17 @@ int amiga_partition(struct parsed_partitions *state) } blk = be32_to_cpu(rdb->rdb_PartitionList); put_dev_sector(sect); - for (part = 1; blk>0 && part<=16; part++, put_dev_sector(sect)) { - blk *= blksize; /* Read in terms partition table understands */ + for (part = 1; (s32) blk>0 && part<=16; part++, put_dev_sector(sect)) { + /* Read in terms partition table understands */ + if (check_mul_overflow(blk, (sector_t) blksize, &blk)) { + pr_err("Dev %s: overflow calculating partition block %llu! Skipping partitions %u and beyond\n", + bdevname(state->bdev, b), blk, part); + break; + } data = read_part_sector(state, blk, §); if (!data) { if (warn_no_part) - pr_err("Dev %s: unable to read partition block %d\n", + pr_err("Dev %s: unable to read partition block %llu\n", bdevname(state->bdev, b), blk); res = -1; goto rdb_done; @@ -98,19 +115,70 @@ int amiga_partition(struct parsed_partitions *state) if (checksum_block((__be32 *)pb, be32_to_cpu(pb->pb_SummedLongs) & 0x7F) != 0 ) continue; - /* Tell Kernel about it */ + /* RDB gives us more than enough rope to hang ourselves with, + * many times over (2^128 bytes if all fields max out). + * Some careful checks are in order, so check for potential + * overflows. + * We are multiplying four 32 bit numbers to one sector_t! + */ + + nr_hd = be32_to_cpu(pb->pb_Environment[NR_HD]); + nr_sect = be32_to_cpu(pb->pb_Environment[NR_SECT]); + + /* CylBlocks is total number of blocks per cylinder */ + if (check_mul_overflow(nr_hd, nr_sect, &cylblk)) { + pr_err("Dev %s: heads*sects %u overflows u32, skipping partition!\n", + bdevname(state->bdev, b), cylblk); + continue; + } + + /* check for consistency with RDB defined CylBlocks */ + if (cylblk > be32_to_cpu(rdb->rdb_CylBlocks)) { + pr_warn("Dev %s: cylblk %u > rdb_CylBlocks %u!\n", + bdevname(state->bdev, b), cylblk, + be32_to_cpu(rdb->rdb_CylBlocks)); + } + + /* RDB allows for variable logical block size - + * normalize to 512 byte blocks and check result. + */ + + if (check_mul_overflow(cylblk, blksize, &cylblk)) { + pr_err("Dev %s: partition %u bytes per cyl. overflows u32, skipping partition!\n", + bdevname(state->bdev, b), part); + continue; + } + + /* Calculate partition start and end. Limit of 32 bit on cylblk + * guarantees no overflow occurs if LBD support is enabled. + */ + + lo_cyl = be32_to_cpu(pb->pb_Environment[LO_CYL]); + start_sect = ((u64) lo_cyl * cylblk); + + hi_cyl = be32_to_cpu(pb->pb_Environment[HI_CYL]); + nr_sects = (((u64) hi_cyl - lo_cyl + 1) * cylblk); - nr_sects = (be32_to_cpu(pb->pb_Environment[10]) + 1 - - be32_to_cpu(pb->pb_Environment[9])) * - be32_to_cpu(pb->pb_Environment[3]) * - be32_to_cpu(pb->pb_Environment[5]) * - blksize; if (!nr_sects) continue; - start_sect = be32_to_cpu(pb->pb_Environment[9]) * - be32_to_cpu(pb->pb_Environment[3]) * - be32_to_cpu(pb->pb_Environment[5]) * - blksize; + + /* Warn user if partition end overflows u32 (AmigaDOS limit) */ + + if ((start_sect + nr_sects) > UINT_MAX) { + pr_warn("Dev %s: partition %u (%llu-%llu) needs 64 bit device support!\n", + bdevname(state->bdev, b), part, + start_sect, start_sect + nr_sects); + } + + if (check_add_overflow(start_sect, nr_sects, &end_sect)) { + pr_err("Dev %s: partition %u (%llu-%llu) needs LBD device support, skipping partition!\n", + bdevname(state->bdev, b), part, + start_sect, end_sect); + continue; + } + + /* Tell Kernel about it */ + put_partition(state,slot++,start_sect,nr_sects); { /* Be even more informative to aid mounting */ diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index e5fae4e838c0..2d57b0b3f9a4 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -255,9 +255,10 @@ int public_key_verify_signature(const struct public_key *pkey, struct crypto_wait cwait; struct crypto_akcipher *tfm; struct akcipher_request *req; - struct scatterlist src_sg[2]; + struct scatterlist src_sg; char alg_name[CRYPTO_MAX_ALG_NAME]; - char *key, *ptr; + char *buf, *ptr; + size_t buf_len; int ret; pr_devel("==>%s()\n", __func__); @@ -281,28 +282,31 @@ int public_key_verify_signature(const struct public_key *pkey, if (!req) goto error_free_tfm; - key = kmalloc(pkey->keylen + sizeof(u32) * 2 + pkey->paramlen, - GFP_KERNEL); - if (!key) + buf_len = max_t(size_t, pkey->keylen + sizeof(u32) * 2 + pkey->paramlen, + sig->s_size + sig->digest_size); + + buf = kmalloc(buf_len, GFP_KERNEL); + if (!buf) goto error_free_req; - memcpy(key, pkey->key, pkey->keylen); - ptr = key + pkey->keylen; + memcpy(buf, pkey->key, pkey->keylen); + ptr = buf + pkey->keylen; ptr = pkey_pack_u32(ptr, pkey->algo); ptr = pkey_pack_u32(ptr, pkey->paramlen); memcpy(ptr, pkey->params, pkey->paramlen); if (pkey->key_is_private) - ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen); + ret = crypto_akcipher_set_priv_key(tfm, buf, pkey->keylen); else - ret = crypto_akcipher_set_pub_key(tfm, key, pkey->keylen); + ret = crypto_akcipher_set_pub_key(tfm, buf, pkey->keylen); if (ret) - goto error_free_key; + goto error_free_buf; - sg_init_table(src_sg, 2); - sg_set_buf(&src_sg[0], sig->s, sig->s_size); - sg_set_buf(&src_sg[1], sig->digest, sig->digest_size); - akcipher_request_set_crypt(req, src_sg, NULL, sig->s_size, + memcpy(buf, sig->s, sig->s_size); + memcpy(buf + sig->s_size, sig->digest, sig->digest_size); + + sg_init_one(&src_sg, buf, sig->s_size + sig->digest_size); + akcipher_request_set_crypt(req, &src_sg, NULL, sig->s_size, sig->digest_size); crypto_init_wait(&cwait); akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | @@ -310,8 +314,8 @@ int public_key_verify_signature(const struct public_key *pkey, crypto_req_done, &cwait); ret = crypto_wait_req(crypto_akcipher_verify(req), &cwait); -error_free_key: - kfree(key); +error_free_buf: + kfree(buf); error_free_req: akcipher_request_free(req); error_free_tfm: diff --git a/crypto/drbg.c b/crypto/drbg.c index 9329d9dcc210..df80752fb649 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1515,6 +1515,14 @@ static int drbg_prepare_hrng(struct drbg_state *drbg) return 0; drbg->jent = crypto_alloc_rng("jitterentropy_rng", 0, 0); + if (IS_ERR(drbg->jent)) { + const int err = PTR_ERR(drbg->jent); + + drbg->jent = NULL; + if (fips_enabled) + return err; + pr_info("DRBG: Continuing without Jitter RNG\n"); + } return 0; } @@ -1570,14 +1578,6 @@ static int drbg_instantiate(struct drbg_state *drbg, struct drbg_string *pers, if (ret) goto free_everything; - if (IS_ERR(drbg->jent)) { - ret = PTR_ERR(drbg->jent); - drbg->jent = NULL; - if (fips_enabled || ret != -ENOENT) - goto free_everything; - pr_info("DRBG: Continuing without Jitter RNG\n"); - } - reseed = false; } diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index c11d736a8db7..35de23ff50d6 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -88,7 +88,7 @@ static void round_robin_cpu(unsigned int tsk_index) cpumask_var_t tmp; int cpu; unsigned long min_weight = -1; - unsigned long uninitialized_var(preferred_cpu); + unsigned long preferred_cpu; if (!alloc_cpumask_var(&tmp, GFP_KERNEL)) return; diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 63fe30e86807..7f14403165dd 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -571,6 +571,9 @@ acpi_status acpi_db_display_objects(char *obj_type_arg, char *display_count_arg) object_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_object_info)); + if (!object_info) + return (AE_NO_MEMORY); + /* Walk the namespace from the root */ (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index de79f835a373..7979d52dfbc9 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -576,9 +576,14 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE(ds_init_aml_walk); walk_state->parser_state.aml = - walk_state->parser_state.aml_start = aml_start; - walk_state->parser_state.aml_end = - walk_state->parser_state.pkg_end = aml_start + aml_length; + walk_state->parser_state.aml_start = + walk_state->parser_state.aml_end = + walk_state->parser_state.pkg_end = aml_start; + /* Avoid undefined behavior: applying zero offset to null pointer */ + if (aml_length != 0) { + walk_state->parser_state.aml_end += aml_length; + walk_state->parser_state.pkg_end += aml_length; + } /* The next_op of the next_walk will be the beginning of the method */ diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index defc5796b508..c7baccd47b89 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1118,6 +1118,7 @@ static void acpi_ec_remove_query_handlers(struct acpi_ec *ec, void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) { acpi_ec_remove_query_handlers(ec, false, query_bit); + flush_workqueue(ec_query_wq); } EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler); diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 5909e8fa4013..6937aedc0a03 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -56,6 +56,8 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr) { acpi_status status = 0; unsigned long long ppc = 0; + s32 qos_value; + int index; int ret; if (!pr) @@ -75,17 +77,30 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr) return -ENODEV; } - pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id, - (int)ppc, ppc ? "" : "not"); + index = ppc; - pr->performance_platform_limit = (int)ppc; - - if (ppc >= pr->performance->state_count || - unlikely(!freq_qos_request_active(&pr->perflib_req))) + if (pr->performance_platform_limit == index || + ppc >= pr->performance->state_count) return 0; - ret = freq_qos_update_request(&pr->perflib_req, - pr->performance->states[ppc].core_frequency * 1000); + pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id, + index, index ? "is" : "is not"); + + pr->performance_platform_limit = index; + + if (unlikely(!freq_qos_request_active(&pr->perflib_req))) + return 0; + + /* + * If _PPC returns 0, it means that all of the available states can be + * used ("no limit"). + */ + if (index == 0) + qos_value = FREQ_QOS_MAX_DEFAULT_VALUE; + else + qos_value = pr->performance->states[index].core_frequency * 1000; + + ret = freq_qos_update_request(&pr->perflib_req, qos_value); if (ret < 0) { pr_warn("Failed to update perflib freq constraint: CPU%d (%d)\n", pr->id, ret); @@ -168,9 +183,16 @@ void acpi_processor_ppc_init(struct cpufreq_policy *policy) if (!pr) continue; + /* + * Reset performance_platform_limit in case there is a stale + * value in it, so as to make it match the "no limit" QoS value + * below. + */ + pr->performance_platform_limit = 0; + ret = freq_qos_add_request(&policy->constraints, - &pr->perflib_req, - FREQ_QOS_MAX, INT_MAX); + &pr->perflib_req, FREQ_QOS_MAX, + FREQ_QOS_MAX_DEFAULT_VALUE); if (ret < 0) pr_err("Failed to add freq constraint for CPU%d (%d)\n", cpu, ret); diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 383c7029d3ce..e9c16b7ddd8b 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -1153,8 +1153,6 @@ static int acpi_thermal_resume(struct device *dev) return -EINVAL; for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { - if (!(&tz->trips.active[i])) - break; if (!tz->trips.active[i].flags.valid) break; tz->trips.active[i].flags.enabled = 1; diff --git a/drivers/android/binder.c b/drivers/android/binder.c index c366204fa8a0..53121176ed28 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -6566,6 +6566,7 @@ err_init_binder_device_failed: err_alloc_device_names_failed: debugfs_remove_recursive(binder_debugfs_dir_entry_root); + binder_alloc_shrinker_exit(); return ret; } diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 3184f03605a3..9a6122d0ef26 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -1086,6 +1086,12 @@ int binder_alloc_shrinker_init(void) return ret; } +void binder_alloc_shrinker_exit(void) +{ + unregister_shrinker(&binder_shrinker); + list_lru_destroy(&binder_alloc_lru); +} + /** * check_buffer() - verify that buffer/offset is safe to access * @alloc: binder_alloc for this proc diff --git a/drivers/android/binder_alloc.h b/drivers/android/binder_alloc.h index 6e8e001381af..f6052c97bce5 100644 --- a/drivers/android/binder_alloc.h +++ b/drivers/android/binder_alloc.h @@ -125,6 +125,7 @@ extern struct binder_buffer *binder_alloc_new_buf(struct binder_alloc *alloc, int pid); extern void binder_alloc_init(struct binder_alloc *alloc); extern int binder_alloc_shrinker_init(void); +extern void binder_alloc_shrinker_exit(void); extern void binder_alloc_vma_close(struct binder_alloc *alloc); extern struct binder_buffer * binder_alloc_prepare_to_free(struct binder_alloc *alloc, diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 2b247014ba45..42309ceee21e 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -162,7 +162,7 @@ static ssize_t ata_scsi_park_show(struct device *device, struct ata_link *link; struct ata_device *dev; unsigned long now; - unsigned int uninitialized_var(msecs); + unsigned int msecs; int rc = 0; ap = ata_shost_to_port(sdev->host); @@ -3036,18 +3036,36 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) return 0; } -static struct ata_device *ata_find_dev(struct ata_port *ap, int devno) +static struct ata_device *ata_find_dev(struct ata_port *ap, unsigned int devno) { - if (!sata_pmp_attached(ap)) { - if (likely(devno >= 0 && - devno < ata_link_max_devices(&ap->link))) + /* + * For the non-PMP case, ata_link_max_devices() returns 1 (SATA case), + * or 2 (IDE master + slave case). However, the former case includes + * libsas hosted devices which are numbered per scsi host, leading + * to devno potentially being larger than 0 but with each struct + * ata_device having its own struct ata_port and struct ata_link. + * To accommodate these, ignore devno and always use device number 0. + */ + if (likely(!sata_pmp_attached(ap))) { + int link_max_devices = ata_link_max_devices(&ap->link); + + if (link_max_devices == 1) + return &ap->link.device[0]; + + if (devno < link_max_devices) return &ap->link.device[devno]; - } else { - if (likely(devno >= 0 && - devno < ap->nr_pmp_links)) - return &ap->pmp_link[devno].device[0]; + + return NULL; } + /* + * For PMP-attached devices, the device number corresponds to C + * (channel) of SCSI [H:C:I:L], indicating the port pmp link + * for the device. + */ + if (devno < ap->nr_pmp_links) + return &ap->pmp_link[devno].device[0]; + return NULL; } diff --git a/drivers/ata/pata_ns87415.c b/drivers/ata/pata_ns87415.c index 4b2ba813dcab..491853b9f085 100644 --- a/drivers/ata/pata_ns87415.c +++ b/drivers/ata/pata_ns87415.c @@ -261,7 +261,7 @@ static u8 ns87560_check_status(struct ata_port *ap) * LOCKING: * Inherited from caller. */ -void ns87560_tf_read(struct ata_port *ap, struct ata_taskfile *tf) +static void ns87560_tf_read(struct ata_port *ap, struct ata_taskfile *tf) { struct ata_ioports *ioaddr = &ap->ioaddr; diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c index 57f97b95a453..165eebe06e39 100644 --- a/drivers/atm/zatm.c +++ b/drivers/atm/zatm.c @@ -940,7 +940,7 @@ static int open_tx_first(struct atm_vcc *vcc) vcc->qos.txtp.max_pcr >= ATM_OC3_PCR); if (unlimited && zatm_dev->ubr != -1) zatm_vcc->shaper = zatm_dev->ubr; else { - int uninitialized_var(pcr); + int pcr; if (unlimited) vcc->qos.txtp.max_sdu = ATM_MAX_AAL5_PDU; if ((zatm_vcc->shaper = alloc_shaper(vcc->dev,&pcr, diff --git a/drivers/base/core.c b/drivers/base/core.c index 0be3d0953ca5..e5ff7f6e19fb 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -4097,6 +4097,50 @@ define_dev_printk_level(_dev_info, KERN_INFO); #endif +/** + * dev_err_probe - probe error check and log helper + * @dev: the pointer to the struct device + * @err: error value to test + * @fmt: printf-style format string + * @...: arguments as specified in the format string + * + * This helper implements common pattern present in probe functions for error + * checking: print debug or error message depending if the error value is + * -EPROBE_DEFER and propagate error upwards. + * It replaces code sequence:: + * if (err != -EPROBE_DEFER) + * dev_err(dev, ...); + * else + * dev_dbg(dev, ...); + * return err; + * + * with:: + * + * return dev_err_probe(dev, err, ...); + * + * Returns @err. + * + */ +int dev_err_probe(const struct device *dev, int err, const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + + va_start(args, fmt); + vaf.fmt = fmt; + vaf.va = &args; + + if (err != -EPROBE_DEFER) + dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf); + else + dev_dbg(dev, "error %pe: %pV", ERR_PTR(err), &vaf); + + va_end(args); + + return err; +} +EXPORT_SYMBOL_GPL(dev_err_probe); + static inline bool fwnode_is_primary(struct fwnode_handle *fwnode) { return fwnode && !IS_ERR(fwnode->secondary); @@ -4172,6 +4216,13 @@ void device_set_of_node_from_dev(struct device *dev, const struct device *dev2) } EXPORT_SYMBOL_GPL(device_set_of_node_from_dev); +void device_set_node(struct device *dev, struct fwnode_handle *fwnode) +{ + dev->fwnode = fwnode; + dev->of_node = to_of_node(fwnode); +} +EXPORT_SYMBOL_GPL(device_set_node); + int device_match_name(struct device *dev, const void *name) { return sysfs_streq(dev_name(dev), name); diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 5d6602a5acbc..d4155a2f58fe 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -588,7 +588,8 @@ static const struct attribute_group *cpu_root_attr_groups[] = { bool cpu_is_hotpluggable(unsigned cpu) { struct device *dev = get_cpu_device(cpu); - return dev && container_of(dev, struct cpu, dev)->hotpluggable; + return dev && container_of(dev, struct cpu, dev)->hotpluggable + && tick_nohz_cpu_hotpluggable(cpu); } EXPORT_SYMBOL_GPL(cpu_is_hotpluggable); @@ -677,6 +678,12 @@ ssize_t __weak cpu_show_retbleed(struct device *dev, return sysfs_emit(buf, "Not affected\n"); } +ssize_t __weak cpu_show_gds(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sysfs_emit(buf, "Not affected\n"); +} + static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL); static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL); static DEVICE_ATTR(spectre_v2, 0444, cpu_show_spectre_v2, NULL); @@ -688,6 +695,7 @@ static DEVICE_ATTR(itlb_multihit, 0444, cpu_show_itlb_multihit, NULL); static DEVICE_ATTR(srbds, 0444, cpu_show_srbds, NULL); static DEVICE_ATTR(mmio_stale_data, 0444, cpu_show_mmio_stale_data, NULL); static DEVICE_ATTR(retbleed, 0444, cpu_show_retbleed, NULL); +static DEVICE_ATTR(gather_data_sampling, 0444, cpu_show_gds, NULL); static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_meltdown.attr, @@ -701,6 +709,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_srbds.attr, &dev_attr_mmio_stale_data.attr, &dev_attr_retbleed.attr, + &dev_attr_gather_data_sampling.attr, NULL }; diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 4f63a8bc7260..97373a879d7b 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -2596,10 +2596,10 @@ static int genpd_parse_state(struct genpd_power_state *genpd_state, err = of_property_read_u32(state_node, "min-residency-us", &residency); if (!err) - genpd_state->residency_ns = 1000 * residency; + genpd_state->residency_ns = 1000LL * residency; - genpd_state->power_on_latency_ns = 1000 * exit_latency; - genpd_state->power_off_latency_ns = 1000 * entry_latency; + genpd_state->power_on_latency_ns = 1000LL * exit_latency; + genpd_state->power_off_latency_ns = 1000LL * entry_latency; genpd_state->fwnode = &state_node->fwnode; return 0; diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 5ca000a54c14..21dcf3801107 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -26,8 +26,11 @@ extern u64 pm_runtime_active_time(struct device *dev); #define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0) #define WAKE_IRQ_DEDICATED_MANAGED BIT(1) +#define WAKE_IRQ_DEDICATED_REVERSE BIT(2) #define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED | \ - WAKE_IRQ_DEDICATED_MANAGED) + WAKE_IRQ_DEDICATED_MANAGED | \ + WAKE_IRQ_DEDICATED_REVERSE) +#define WAKE_IRQ_DEDICATED_ENABLED BIT(3) struct wake_irq { struct device *dev; @@ -40,7 +43,8 @@ extern void dev_pm_arm_wake_irq(struct wake_irq *wirq); extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq); extern void dev_pm_enable_wake_irq_check(struct device *dev, bool can_change_status); -extern void dev_pm_disable_wake_irq_check(struct device *dev); +extern void dev_pm_disable_wake_irq_check(struct device *dev, bool cond_disable); +extern void dev_pm_enable_wake_irq_complete(struct device *dev); #ifdef CONFIG_PM_SLEEP diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index ecfe935a4006..617041da287f 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -659,6 +659,8 @@ static int rpm_suspend(struct device *dev, int rpmflags) if (retval) goto fail; + dev_pm_enable_wake_irq_complete(dev); + no_callback: __update_runtime_status(dev, RPM_SUSPENDED); pm_runtime_deactivate_timer(dev); @@ -704,7 +706,7 @@ static int rpm_suspend(struct device *dev, int rpmflags) return retval; fail: - dev_pm_disable_wake_irq_check(dev); + dev_pm_disable_wake_irq_check(dev, true); __update_runtime_status(dev, RPM_ACTIVE); dev->power.deferred_resume = false; wake_up_all(&dev->power.wait_queue); @@ -887,7 +889,7 @@ static int rpm_resume(struct device *dev, int rpmflags) callback = RPM_GET_CALLBACK(dev, runtime_resume); - dev_pm_disable_wake_irq_check(dev); + dev_pm_disable_wake_irq_check(dev, false); retval = rpm_callback(callback, dev); if (retval) { __update_runtime_status(dev, RPM_SUSPENDED); diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c index 5ce77d1ef9fc..46654adf00a1 100644 --- a/drivers/base/power/wakeirq.c +++ b/drivers/base/power/wakeirq.c @@ -145,24 +145,7 @@ static irqreturn_t handle_threaded_wake_irq(int irq, void *_wirq) return IRQ_HANDLED; } -/** - * dev_pm_set_dedicated_wake_irq - Request a dedicated wake-up interrupt - * @dev: Device entry - * @irq: Device wake-up interrupt - * - * Unless your hardware has separate wake-up interrupts in addition - * to the device IO interrupts, you don't need this. - * - * Sets up a threaded interrupt handler for a device that has - * a dedicated wake-up interrupt in addition to the device IO - * interrupt. - * - * The interrupt starts disabled, and needs to be managed for - * the device by the bus code or the device driver using - * dev_pm_enable_wake_irq() and dev_pm_disable_wake_irq() - * functions. - */ -int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq) +static int __dev_pm_set_dedicated_wake_irq(struct device *dev, int irq, unsigned int flag) { struct wake_irq *wirq; int err; @@ -200,7 +183,7 @@ int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq) if (err) goto err_free_irq; - wirq->status = WAKE_IRQ_DEDICATED_ALLOCATED; + wirq->status = WAKE_IRQ_DEDICATED_ALLOCATED | flag; return err; @@ -213,8 +196,57 @@ err_free: return err; } + + +/** + * dev_pm_set_dedicated_wake_irq - Request a dedicated wake-up interrupt + * @dev: Device entry + * @irq: Device wake-up interrupt + * + * Unless your hardware has separate wake-up interrupts in addition + * to the device IO interrupts, you don't need this. + * + * Sets up a threaded interrupt handler for a device that has + * a dedicated wake-up interrupt in addition to the device IO + * interrupt. + * + * The interrupt starts disabled, and needs to be managed for + * the device by the bus code or the device driver using + * dev_pm_enable_wake_irq*() and dev_pm_disable_wake_irq*() + * functions. + */ +int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq) +{ + return __dev_pm_set_dedicated_wake_irq(dev, irq, 0); +} EXPORT_SYMBOL_GPL(dev_pm_set_dedicated_wake_irq); +/** + * dev_pm_set_dedicated_wake_irq_reverse - Request a dedicated wake-up interrupt + * with reverse enable ordering + * @dev: Device entry + * @irq: Device wake-up interrupt + * + * Unless your hardware has separate wake-up interrupts in addition + * to the device IO interrupts, you don't need this. + * + * Sets up a threaded interrupt handler for a device that has a dedicated + * wake-up interrupt in addition to the device IO interrupt. It sets + * the status of WAKE_IRQ_DEDICATED_REVERSE to tell rpm_suspend() + * to enable dedicated wake-up interrupt after running the runtime suspend + * callback for @dev. + * + * The interrupt starts disabled, and needs to be managed for + * the device by the bus code or the device driver using + * dev_pm_enable_wake_irq*() and dev_pm_disable_wake_irq*() + * functions. + */ +int dev_pm_set_dedicated_wake_irq_reverse(struct device *dev, int irq) +{ + return __dev_pm_set_dedicated_wake_irq(dev, irq, WAKE_IRQ_DEDICATED_REVERSE); +} +EXPORT_SYMBOL_GPL(dev_pm_set_dedicated_wake_irq_reverse); + /** * dev_pm_enable_wake_irq - Enable device wake-up interrupt * @dev: Device @@ -285,25 +317,56 @@ void dev_pm_enable_wake_irq_check(struct device *dev, return; enable: - enable_irq(wirq->irq); + if (!can_change_status || !(wirq->status & WAKE_IRQ_DEDICATED_REVERSE)) { + enable_irq(wirq->irq); + wirq->status |= WAKE_IRQ_DEDICATED_ENABLED; + } } /** * dev_pm_disable_wake_irq_check - Checks and disables wake-up interrupt * @dev: Device + * @cond_disable: if set, also check WAKE_IRQ_DEDICATED_REVERSE * * Disables wake-up interrupt conditionally based on status. * Should be only called from rpm_suspend() and rpm_resume() path. */ -void dev_pm_disable_wake_irq_check(struct device *dev) +void dev_pm_disable_wake_irq_check(struct device *dev, bool cond_disable) { struct wake_irq *wirq = dev->power.wakeirq; if (!wirq || !((wirq->status & WAKE_IRQ_DEDICATED_MASK))) return; - if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED) + if (cond_disable && (wirq->status & WAKE_IRQ_DEDICATED_REVERSE)) + return; + + if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED) { + wirq->status &= ~WAKE_IRQ_DEDICATED_ENABLED; disable_irq_nosync(wirq->irq); + } +} + +/** + * dev_pm_enable_wake_irq_complete - enable wake IRQ not enabled before + * @dev: Device using the wake IRQ + * + * Enable wake IRQ conditionally based on status, mainly used if want to + * enable wake IRQ after running ->runtime_suspend() which depends on + * WAKE_IRQ_DEDICATED_REVERSE. + * + * Should be only called from rpm_suspend() path. + */ +void dev_pm_enable_wake_irq_complete(struct device *dev) +{ + struct wake_irq *wirq = dev->power.wakeirq; + + if (!wirq || !(wirq->status & WAKE_IRQ_DEDICATED_MASK)) + return; + + if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED && + wirq->status & WAKE_IRQ_DEDICATED_REVERSE) + enable_irq(wirq->irq); } /** @@ -320,7 +383,7 @@ void dev_pm_arm_wake_irq(struct wake_irq *wirq) if (device_may_wakeup(wirq->dev)) { if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED && - !pm_runtime_status_suspended(wirq->dev)) + !(wirq->status & WAKE_IRQ_DEDICATED_ENABLED)) enable_irq(wirq->irq); enable_irq_wake(wirq->irq); @@ -343,7 +406,7 @@ void dev_pm_disarm_wake_irq(struct wake_irq *wirq) disable_irq_wake(wirq->irq); if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED && - !pm_runtime_status_suspended(wirq->dev)) + !(wirq->status & WAKE_IRQ_DEDICATED_ENABLED)) disable_irq_nosync(wirq->irq); } } diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 7f4b3b62492c..7fdd702e564a 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -343,6 +343,9 @@ int regcache_sync(struct regmap *map) const char *name; bool bypass; + if (WARN_ON(map->cache_type == REGCACHE_NONE)) + return -EINVAL; + BUG_ON(!map->cache_ops); map->lock(map->lock_arg); @@ -412,6 +415,9 @@ int regcache_sync_region(struct regmap *map, unsigned int min, const char *name; bool bypass; + if (WARN_ON(map->cache_type == REGCACHE_NONE)) + return -EINVAL; + BUG_ON(!map->cache_ops); map->lock(map->lock_arg); diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 43c0452a8ba9..a69e9797fba2 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1850,6 +1850,8 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, size_t val_count = val_len / val_bytes; size_t chunk_count, chunk_bytes; size_t chunk_regs = val_count; + size_t max_data = map->max_raw_write - map->format.reg_bytes - + map->format.pad_bytes; int ret, i; if (!val_count) @@ -1857,8 +1859,8 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, if (map->use_single_write) chunk_regs = 1; - else if (map->max_raw_write && val_len > map->max_raw_write) - chunk_regs = map->max_raw_write / val_bytes; + else if (map->max_raw_write && val_len > max_data) + chunk_regs = max_data / val_bytes; chunk_count = val_count / chunk_regs; chunk_bytes = chunk_regs * val_bytes; diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 52dd517ff541..43c142ea364b 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -3426,7 +3426,7 @@ int drbd_adm_dump_devices(struct sk_buff *skb, struct netlink_callback *cb) { struct nlattr *resource_filter; struct drbd_resource *resource; - struct drbd_device *uninitialized_var(device); + struct drbd_device *device; int minor, err, retcode; struct drbd_genlmsghdr *dh; struct device_info device_info; @@ -3515,7 +3515,7 @@ int drbd_adm_dump_connections(struct sk_buff *skb, struct netlink_callback *cb) { struct nlattr *resource_filter; struct drbd_resource *resource = NULL, *next_resource; - struct drbd_connection *uninitialized_var(connection); + struct drbd_connection *connection; int err = 0, retcode; struct drbd_genlmsghdr *dh; struct connection_info connection_info; @@ -3677,7 +3677,7 @@ int drbd_adm_dump_peer_devices(struct sk_buff *skb, struct netlink_callback *cb) { struct nlattr *resource_filter; struct drbd_resource *resource; - struct drbd_device *uninitialized_var(device); + struct drbd_device *device; struct drbd_peer_device *peer_device = NULL; int minor, err, retcode; struct drbd_genlmsghdr *dh; diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 2b3103c30857..d94f41a0abbe 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1298,7 +1298,7 @@ static void submit_one_flush(struct drbd_device *device, struct issue_flush_cont bio_set_dev(bio, device->ldev->backing_bdev); bio->bi_private = octx; bio->bi_end_io = one_flush_endio; - bio->bi_opf = REQ_OP_FLUSH | REQ_PREFLUSH; + bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH; device->flush_jif = jiffies; set_bit(FLUSH_PENDING, &device->flags); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index a8b8351ce29c..ccfa3619fbb3 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -2114,7 +2114,7 @@ static int loop_add(struct loop_device **l, int i) lo->tag_set.queue_depth = 128; lo->tag_set.numa_node = NUMA_NO_NODE; lo->tag_set.cmd_size = sizeof(struct loop_cmd); - lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; + lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_NO_SCHED; lo->tag_set.driver_data = lo; err = blk_mq_alloc_tag_set(&lo->tag_set); diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 610dc6a36a9d..37994a7a1b6f 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1609,7 +1609,7 @@ static int nbd_dev_dbg_init(struct nbd_device *nbd) return -EIO; dir = debugfs_create_dir(nbd_name(nbd), nbd_dbg_dir); - if (!dir) { + if (IS_ERR(dir)) { dev_err(nbd_to_dev(nbd), "Failed to create debugfs dir for '%s'\n", nbd_name(nbd)); return -EIO; @@ -1635,7 +1635,7 @@ static int nbd_dbg_init(void) struct dentry *dbg_dir; dbg_dir = debugfs_create_dir("nbd", NULL); - if (!dbg_dir) + if (IS_ERR(dbg_dir)) return -EIO; nbd_dbg_dir = dbg_dir; @@ -1708,7 +1708,8 @@ static int nbd_dev_add(int index) if (err == -ENOSPC) err = -EEXIST; } else { - err = idr_alloc(&nbd_index_idr, nbd, 0, 0, GFP_KERNEL); + err = idr_alloc(&nbd_index_idr, nbd, 0, + (MINORMASK >> part_shift) + 1, GFP_KERNEL); if (err >= 0) index = err; } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 0c74daf6e2c9..9d21f90f93f0 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1493,14 +1493,30 @@ static bool rbd_obj_is_tail(struct rbd_obj_request *obj_req) /* * Must be called after rbd_obj_calc_img_extents(). */ -static bool rbd_obj_copyup_enabled(struct rbd_obj_request *obj_req) +static void rbd_obj_set_copyup_enabled(struct rbd_obj_request *obj_req) { - if (!obj_req->num_img_extents || - (rbd_obj_is_entire(obj_req) && - !obj_req->img_request->snapc->num_snaps)) - return false; + rbd_assert(obj_req->img_request->snapc); - return true; + if (obj_req->img_request->op_type == OBJ_OP_DISCARD) { + dout("%s %p objno %llu discard\n", __func__, obj_req, + obj_req->ex.oe_objno); + return; + } + + if (!obj_req->num_img_extents) { + dout("%s %p objno %llu not overlapping\n", __func__, obj_req, + obj_req->ex.oe_objno); + return; + } + + if (rbd_obj_is_entire(obj_req) && + !obj_req->img_request->snapc->num_snaps) { + dout("%s %p objno %llu entire\n", __func__, obj_req, + obj_req->ex.oe_objno); + return; + } + + obj_req->flags |= RBD_OBJ_FLAG_COPYUP_ENABLED; } static u64 rbd_obj_img_extents_bytes(struct rbd_obj_request *obj_req) @@ -1599,6 +1615,7 @@ __rbd_obj_add_osd_request(struct rbd_obj_request *obj_req, static struct ceph_osd_request * rbd_obj_add_osd_request(struct rbd_obj_request *obj_req, int num_ops) { + rbd_assert(obj_req->img_request->snapc); return __rbd_obj_add_osd_request(obj_req, obj_req->img_request->snapc, num_ops); } @@ -1727,11 +1744,14 @@ static bool rbd_dev_parent_get(struct rbd_device *rbd_dev) * Caller is responsible for filling in the list of object requests * that comprises the image request, and the Linux request pointer * (if there is one). + * + * Only snap_id is captured here, for reads. For writes, snapshot + * context is captured in rbd_img_object_requests() after exclusive + * lock is ensured to be held. */ static struct rbd_img_request *rbd_img_request_create( struct rbd_device *rbd_dev, - enum obj_operation_type op_type, - struct ceph_snap_context *snapc) + enum obj_operation_type op_type) { struct rbd_img_request *img_request; @@ -1743,8 +1763,6 @@ static struct rbd_img_request *rbd_img_request_create( img_request->op_type = op_type; if (!rbd_img_is_write(img_request)) img_request->snap_id = rbd_dev->spec->snap_id; - else - img_request->snapc = snapc; if (rbd_dev_parent_get(rbd_dev)) img_request_layered_set(img_request); @@ -2087,7 +2105,7 @@ static int rbd_object_map_update_finish(struct rbd_obj_request *obj_req, struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev; struct ceph_osd_data *osd_data; u64 objno; - u8 state, new_state, uninitialized_var(current_state); + u8 state, new_state, current_state; bool has_current_state; void *p; @@ -2389,9 +2407,6 @@ static int rbd_obj_init_write(struct rbd_obj_request *obj_req) if (ret) return ret; - if (rbd_obj_copyup_enabled(obj_req)) - obj_req->flags |= RBD_OBJ_FLAG_COPYUP_ENABLED; - obj_req->write_state = RBD_OBJ_WRITE_START; return 0; } @@ -2497,8 +2512,6 @@ static int rbd_obj_init_zeroout(struct rbd_obj_request *obj_req) if (ret) return ret; - if (rbd_obj_copyup_enabled(obj_req)) - obj_req->flags |= RBD_OBJ_FLAG_COPYUP_ENABLED; if (!obj_req->num_img_extents) { obj_req->flags |= RBD_OBJ_FLAG_NOOP_FOR_NONEXISTENT; if (rbd_obj_is_entire(obj_req)) @@ -2935,7 +2948,7 @@ static int rbd_obj_read_from_parent(struct rbd_obj_request *obj_req) int ret; child_img_req = rbd_img_request_create(img_req->rbd_dev->parent, - OBJ_OP_READ, NULL); + OBJ_OP_READ); if (!child_img_req) return -ENOMEM; @@ -3439,6 +3452,7 @@ again: case RBD_OBJ_WRITE_START: rbd_assert(!*result); + rbd_obj_set_copyup_enabled(obj_req); if (rbd_obj_write_is_noop(obj_req)) return true; @@ -3625,9 +3639,19 @@ static int rbd_img_exclusive_lock(struct rbd_img_request *img_req) static void rbd_img_object_requests(struct rbd_img_request *img_req) { + struct rbd_device *rbd_dev = img_req->rbd_dev; struct rbd_obj_request *obj_req; rbd_assert(!img_req->pending.result && !img_req->pending.num_pending); + rbd_assert(!need_exclusive_lock(img_req) || + __rbd_is_lock_owner(rbd_dev)); + + if (rbd_img_is_write(img_req)) { + rbd_assert(!img_req->snapc); + down_read(&rbd_dev->header_rwsem); + img_req->snapc = ceph_get_snap_context(rbd_dev->header.snapc); + up_read(&rbd_dev->header_rwsem); + } for_each_obj_request(img_req, obj_req) { int result = 0; @@ -3645,7 +3669,6 @@ static void rbd_img_object_requests(struct rbd_img_request *img_req) static bool rbd_img_advance(struct rbd_img_request *img_req, int *result) { - struct rbd_device *rbd_dev = img_req->rbd_dev; int ret; again: @@ -3666,9 +3689,6 @@ again: if (*result) return true; - rbd_assert(!need_exclusive_lock(img_req) || - __rbd_is_lock_owner(rbd_dev)); - rbd_img_object_requests(img_req); if (!img_req->pending.num_pending) { *result = img_req->pending.result; @@ -4130,6 +4150,10 @@ static int rbd_post_acquire_action(struct rbd_device *rbd_dev) { int ret; + ret = rbd_dev_refresh(rbd_dev); + if (ret) + return ret; + if (rbd_dev->header.features & RBD_FEATURE_OBJECT_MAP) { ret = rbd_object_map_open(rbd_dev); if (ret) @@ -4788,7 +4812,6 @@ static void rbd_queue_workfn(struct work_struct *work) struct request *rq = blk_mq_rq_from_pdu(work); struct rbd_device *rbd_dev = rq->q->queuedata; struct rbd_img_request *img_request; - struct ceph_snap_context *snapc = NULL; u64 offset = (u64)blk_rq_pos(rq) << SECTOR_SHIFT; u64 length = blk_rq_bytes(rq); enum obj_operation_type op_type; @@ -4853,10 +4876,6 @@ static void rbd_queue_workfn(struct work_struct *work) down_read(&rbd_dev->header_rwsem); mapping_size = rbd_dev->mapping.size; - if (op_type != OBJ_OP_READ) { - snapc = rbd_dev->header.snapc; - ceph_get_snap_context(snapc); - } up_read(&rbd_dev->header_rwsem); if (offset + length > mapping_size) { @@ -4866,13 +4885,12 @@ static void rbd_queue_workfn(struct work_struct *work) goto err_rq; } - img_request = rbd_img_request_create(rbd_dev, op_type, snapc); + img_request = rbd_img_request_create(rbd_dev, op_type); if (!img_request) { result = -ENOMEM; goto err_rq; } img_request->rq = rq; - snapc = NULL; /* img_request consumes a ref */ dout("%s rbd_dev %p img_req %p %s %llu~%llu\n", __func__, rbd_dev, img_request, obj_op_name(op_type), offset, length); @@ -4894,7 +4912,6 @@ err_rq: if (result) rbd_warn(rbd_dev, "%s %llx at %llx result %d", obj_op_name(op_type), length, offset, result); - ceph_put_snap_context(snapc); err: blk_mq_end_request(rq, errno_to_blk_status(result)); } diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index d0538c03f033..da67621ebc21 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -779,7 +779,8 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri ring_req->u.rw.handle = info->handle; ring_req->operation = rq_data_dir(req) ? BLKIF_OP_WRITE : BLKIF_OP_READ; - if (req_op(req) == REQ_OP_FLUSH || req->cmd_flags & REQ_FUA) { + if (req_op(req) == REQ_OP_FLUSH || + (req_op(req) == REQ_OP_WRITE && (req->cmd_flags & REQ_FUA))) { /* * Ideally we can do an unordered flush-to-disk. * In case the backend onlysupports barriers, use that. diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c index 81125fb18035..fd9571d5fdac 100644 --- a/drivers/bluetooth/btsdio.c +++ b/drivers/bluetooth/btsdio.c @@ -343,7 +343,6 @@ static void btsdio_remove(struct sdio_func *func) BT_DBG("func %p", func); - cancel_work_sync(&data->work); if (!data) return; diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c index d68d05d5d383..514f9f287a78 100644 --- a/drivers/char/agp/parisc-agp.c +++ b/drivers/char/agp/parisc-agp.c @@ -90,6 +90,9 @@ parisc_agp_tlbflush(struct agp_memory *mem) { struct _parisc_agp_info *info = &parisc_agp_info; + /* force fdc ops to be visible to IOMMU */ + asm_io_sync(); + writeq(info->gart_base | ilog2(info->gart_size), info->ioc_regs+IOC_PCOM); readq(info->ioc_regs+IOC_PCOM); /* flush */ } @@ -158,6 +161,7 @@ parisc_agp_insert_memory(struct agp_memory *mem, off_t pg_start, int type) info->gatt[j] = parisc_agp_mask_memory(agp_bridge, paddr, type); + asm_io_fdc(&info->gatt[j]); } } @@ -191,7 +195,16 @@ static unsigned long parisc_agp_mask_memory(struct agp_bridge_data *bridge, dma_addr_t addr, int type) { - return SBA_PDIR_VALID_BIT | addr; + unsigned ci; /* coherent index */ + dma_addr_t pa; + + pa = addr & IOVP_MASK; + asm("lci 0(%1), %0" : "=r" (ci) : "r" (phys_to_virt(pa))); + + pa |= (ci >> PAGE_SHIFT) & 0xff;/* move CI (8 bits) into lowest byte */ + pa |= SBA_PDIR_VALID_BIT; /* set "valid" bit */ + + return cpu_to_le64(pa); } static void diff --git a/drivers/char/hw_random/imx-rngc.c b/drivers/char/hw_random/imx-rngc.c index 0576801944fd..2e902419601d 100644 --- a/drivers/char/hw_random/imx-rngc.c +++ b/drivers/char/hw_random/imx-rngc.c @@ -99,7 +99,7 @@ static int imx_rngc_self_test(struct imx_rngc *rngc) cmd = readl(rngc->base + RNGC_COMMAND); writel(cmd | RNGC_CMD_SELF_TEST, rngc->base + RNGC_COMMAND); - ret = wait_for_completion_timeout(&rngc->rng_op_done, RNGC_TIMEOUT); + ret = wait_for_completion_timeout(&rngc->rng_op_done, msecs_to_jiffies(RNGC_TIMEOUT)); if (!ret) { imx_rngc_irq_mask_clear(rngc); return -ETIMEDOUT; @@ -182,9 +182,7 @@ static int imx_rngc_init(struct hwrng *rng) cmd = readl(rngc->base + RNGC_COMMAND); writel(cmd | RNGC_CMD_SEED, rngc->base + RNGC_COMMAND); - ret = wait_for_completion_timeout(&rngc->rng_op_done, - RNGC_TIMEOUT); - + ret = wait_for_completion_timeout(&rngc->rng_op_done, msecs_to_jiffies(RNGC_TIMEOUT)); if (!ret) { imx_rngc_irq_mask_clear(rngc); return -ETIMEDOUT; diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c index 863448360a7d..f708a99619ec 100644 --- a/drivers/char/hw_random/st-rng.c +++ b/drivers/char/hw_random/st-rng.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -41,7 +42,6 @@ struct st_rng_data { void __iomem *base; - struct clk *clk; struct hwrng ops; }; @@ -86,26 +86,18 @@ static int st_rng_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - clk = devm_clk_get(&pdev->dev, NULL); + clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(clk)) return PTR_ERR(clk); - ret = clk_prepare_enable(clk); - if (ret) - return ret; - ddata->ops.priv = (unsigned long)ddata; ddata->ops.read = st_rng_read; ddata->ops.name = pdev->name; ddata->base = base; - ddata->clk = clk; - - dev_set_drvdata(&pdev->dev, ddata); ret = devm_hwrng_register(&pdev->dev, &ddata->ops); if (ret) { dev_err(&pdev->dev, "Failed to register HW RNG\n"); - clk_disable_unprepare(clk); return ret; } @@ -114,16 +106,7 @@ static int st_rng_probe(struct platform_device *pdev) return 0; } -static int st_rng_remove(struct platform_device *pdev) -{ - struct st_rng_data *ddata = dev_get_drvdata(&pdev->dev); - - clk_disable_unprepare(ddata->clk); - - return 0; -} - -static const struct of_device_id st_rng_match[] = { +static const struct of_device_id st_rng_match[] __maybe_unused = { { .compatible = "st,rng" }, {}, }; @@ -135,7 +118,6 @@ static struct platform_driver st_rng_driver = { .of_match_table = of_match_ptr(st_rng_match), }, .probe = st_rng_probe, - .remove = st_rng_remove }; module_platform_driver(st_rng_driver); diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index 23149e94d621..145d7b1055c0 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -4,6 +4,7 @@ * Copyright (C) 2007, 2008 Rusty Russell IBM Corporation */ +#include #include #include #include @@ -19,12 +20,12 @@ struct virtrng_info { struct virtqueue *vq; char name[25]; int index; - bool busy; bool hwrng_register_done; bool hwrng_removed; /* data transfer */ struct completion have_data; unsigned int data_avail; + unsigned int data_idx; /* minimal size returned by rng_buffer_size() */ #if SMP_CACHE_BYTES < 32 u8 data[32]; @@ -36,19 +37,23 @@ struct virtrng_info { static void random_recv_done(struct virtqueue *vq) { struct virtrng_info *vi = vq->vdev->priv; + unsigned int len; /* We can get spurious callbacks, e.g. shared IRQs + virtio_pci. */ - if (!virtqueue_get_buf(vi->vq, &vi->data_avail)) + if (!virtqueue_get_buf(vi->vq, &len)) return; + smp_store_release(&vi->data_avail, len); complete(&vi->have_data); } -/* The host will fill any buffer we give it with sweet, sweet randomness. */ -static void register_buffer(struct virtrng_info *vi) +static void request_entropy(struct virtrng_info *vi) { struct scatterlist sg; + reinit_completion(&vi->have_data); + vi->data_idx = 0; + sg_init_one(&sg, vi->data, sizeof(vi->data)); /* There should always be room for one buffer. */ @@ -57,6 +62,18 @@ static void register_buffer(struct virtrng_info *vi) virtqueue_kick(vi->vq); } +static unsigned int copy_data(struct virtrng_info *vi, void *buf, + unsigned int size) +{ + size = min_t(unsigned int, size, vi->data_avail); + memcpy(buf, vi->data + vi->data_idx, size); + vi->data_idx += size; + vi->data_avail -= size; + if (vi->data_avail == 0) + request_entropy(vi); + return size; +} + static int virtio_read(struct hwrng *rng, void *buf, size_t size, bool wait) { int ret; @@ -67,35 +84,37 @@ static int virtio_read(struct hwrng *rng, void *buf, size_t size, bool wait) if (vi->hwrng_removed) return -ENODEV; - if (!vi->busy) { - vi->busy = true; - reinit_completion(&vi->have_data); - register_buffer(vi); + read = 0; + + /* copy available data */ + if (smp_load_acquire(&vi->data_avail)) { + chunk = copy_data(vi, buf, size); + size -= chunk; + read += chunk; } if (!wait) - return 0; + return read; - read = 0; + /* We have already copied available entropy, + * so either size is 0 or data_avail is 0 + */ while (size != 0) { + /* data_avail is 0 but a request is pending */ ret = wait_for_completion_killable(&vi->have_data); if (ret < 0) return ret; + /* if vi->data_avail is 0, we have been interrupted + * by a cleanup, but buffer stays in the queue + */ + if (vi->data_avail == 0) + return read; - chunk = min_t(unsigned int, size, vi->data_avail); - memcpy(buf + read, vi->data, chunk); - read += chunk; + chunk = copy_data(vi, buf + read, size); size -= chunk; - vi->data_avail = 0; - - if (size != 0) { - reinit_completion(&vi->have_data); - register_buffer(vi); - } + read += chunk; } - vi->busy = false; - return read; } @@ -103,8 +122,7 @@ static void virtio_cleanup(struct hwrng *rng) { struct virtrng_info *vi = (struct virtrng_info *)rng->priv; - if (vi->busy) - wait_for_completion(&vi->have_data); + complete(&vi->have_data); } static int probe_common(struct virtio_device *vdev) @@ -140,6 +158,9 @@ static int probe_common(struct virtio_device *vdev) goto err_find; } + /* we always have a pending entropy request */ + request_entropy(vi); + return 0; err_find: @@ -155,9 +176,9 @@ static void remove_common(struct virtio_device *vdev) vi->hwrng_removed = true; vi->data_avail = 0; + vi->data_idx = 0; complete(&vi->have_data); vdev->config->reset(vdev); - vi->busy = false; if (vi->hwrng_register_done) hwrng_unregister(&vi->hwrng); vdev->config->del_vqs(vdev); diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index d5f068a10a5a..2907b0bca1af 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -562,8 +562,10 @@ static void retry_timeout(struct timer_list *t) if (waiting) start_get(ssif_info); - if (resend) + if (resend) { start_resend(ssif_info); + ssif_inc_stat(ssif_info, send_retries); + } } static void watch_timeout(struct timer_list *t) @@ -789,9 +791,9 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, } else if (data[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 || data[1] != IPMI_GET_MSG_FLAGS_CMD) { /* - * Don't abort here, maybe it was a queued - * response to a previous command. + * Recv error response, give up. */ + ssif_info->ssif_state = SSIF_IDLE; ipmi_ssif_unlock_cond(ssif_info, flags); dev_warn(&ssif_info->client->dev, "Invalid response getting flags: %x %x\n", diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 9c61be2afca7..5456d8e2eef2 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -83,6 +83,22 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T490s"), }, }, + { + .callback = tpm_tis_disable_irq, + .ident = "ThinkStation P360 Tiny", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkStation P360 Tiny"), + }, + }, + { + .callback = tpm_tis_disable_irq, + .ident = "ThinkPad L490", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L490"), + }, + }, {} }; diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 70f785994228..ef47d1d58ac3 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -266,6 +266,7 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count) int size = 0; int status; u32 expected; + int rc; if (count < TPM_HEADER_SIZE) { size = -EIO; @@ -285,8 +286,13 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count) goto out; } - size += recv_data(chip, &buf[TPM_HEADER_SIZE], - expected - TPM_HEADER_SIZE); + rc = recv_data(chip, &buf[TPM_HEADER_SIZE], + expected - TPM_HEADER_SIZE); + if (rc < 0) { + size = rc; + goto out; + } + size += rc; if (size < expected) { dev_err(&chip->dev, "Unable to read remainder of result\n"); size = -ETIME; @@ -613,7 +619,7 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id) return IRQ_HANDLED; } -static int tpm_tis_gen_interrupt(struct tpm_chip *chip) +static void tpm_tis_gen_interrupt(struct tpm_chip *chip) { const char *desc = "attempting to generate an interrupt"; u32 cap2; @@ -622,7 +628,7 @@ static int tpm_tis_gen_interrupt(struct tpm_chip *chip) ret = request_locality(chip, 0); if (ret < 0) - return ret; + return; if (chip->flags & TPM_CHIP_FLAG_TPM2) ret = tpm2_get_tpm_pt(chip, 0x100, &cap2, desc); @@ -630,8 +636,6 @@ static int tpm_tis_gen_interrupt(struct tpm_chip *chip) ret = tpm1_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap, desc, 0); release_locality(chip, 0); - - return ret; } /* Register the IRQ and issue a command that will cause an interrupt. If an @@ -661,42 +665,37 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask, rc = tpm_tis_write8(priv, TPM_INT_VECTOR(priv->locality), irq); if (rc < 0) - return rc; + goto restore_irqs; rc = tpm_tis_read32(priv, TPM_INT_STATUS(priv->locality), &int_status); if (rc < 0) - return rc; + goto restore_irqs; /* Clear all existing */ rc = tpm_tis_write32(priv, TPM_INT_STATUS(priv->locality), int_status); if (rc < 0) - return rc; - + goto restore_irqs; /* Turn on */ rc = tpm_tis_write32(priv, TPM_INT_ENABLE(priv->locality), intmask | TPM_GLOBAL_INT_ENABLE); if (rc < 0) - return rc; + goto restore_irqs; priv->irq_tested = false; /* Generate an interrupt by having the core call through to * tpm_tis_send */ - rc = tpm_tis_gen_interrupt(chip); - if (rc < 0) - return rc; + tpm_tis_gen_interrupt(chip); +restore_irqs: /* tpm_tis_send will either confirm the interrupt is working or it * will call disable_irq which undoes all of the above. */ if (!(chip->flags & TPM_CHIP_FLAG_IRQ)) { - rc = tpm_tis_write8(priv, original_int_vec, - TPM_INT_VECTOR(priv->locality)); - if (rc < 0) - return rc; - - return 1; + tpm_tis_write8(priv, original_int_vec, + TPM_INT_VECTOR(priv->locality)); + return -1; } return 0; diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c index 2f6e087ec496..ff6b88fa4f47 100644 --- a/drivers/char/tpm/tpm_vtpm_proxy.c +++ b/drivers/char/tpm/tpm_vtpm_proxy.c @@ -693,37 +693,21 @@ static struct miscdevice vtpmx_miscdev = { .fops = &vtpmx_fops, }; -static int vtpmx_init(void) -{ - return misc_register(&vtpmx_miscdev); -} - -static void vtpmx_cleanup(void) -{ - misc_deregister(&vtpmx_miscdev); -} - static int __init vtpm_module_init(void) { int rc; - rc = vtpmx_init(); - if (rc) { - pr_err("couldn't create vtpmx device\n"); - return rc; - } - workqueue = create_workqueue("tpm-vtpm"); if (!workqueue) { pr_err("couldn't create workqueue\n"); - rc = -ENOMEM; - goto err_vtpmx_cleanup; + return -ENOMEM; } - return 0; - -err_vtpmx_cleanup: - vtpmx_cleanup(); + rc = misc_register(&vtpmx_miscdev); + if (rc) { + pr_err("couldn't create vtpmx device\n"); + destroy_workqueue(workqueue); + } return rc; } @@ -731,7 +715,7 @@ err_vtpmx_cleanup: static void __exit vtpm_module_exit(void) { destroy_workqueue(workqueue); - vtpmx_cleanup(); + misc_deregister(&vtpmx_miscdev); } module_init(vtpm_module_init); diff --git a/drivers/clk/clk-cdce925.c b/drivers/clk/clk-cdce925.c index 308b353815e1..470d91d7314d 100644 --- a/drivers/clk/clk-cdce925.c +++ b/drivers/clk/clk-cdce925.c @@ -705,6 +705,10 @@ static int cdce925_probe(struct i2c_client *client, for (i = 0; i < data->chip_info->num_plls; ++i) { pll_clk_name[i] = kasprintf(GFP_KERNEL, "%pOFn.pll%d", client->dev.of_node, i); + if (!pll_clk_name[i]) { + err = -ENOMEM; + goto error; + } init.name = pll_clk_name[i]; data->pll[i].chip = data; data->pll[i].hw.init = &init; @@ -746,6 +750,10 @@ static int cdce925_probe(struct i2c_client *client, init.num_parents = 1; init.parent_names = &parent_name; /* Mux Y1 to input */ init.name = kasprintf(GFP_KERNEL, "%pOFn.Y1", client->dev.of_node); + if (!init.name) { + err = -ENOMEM; + goto error; + } data->clk[0].chip = data; data->clk[0].hw.init = &init; data->clk[0].index = 0; @@ -764,6 +772,10 @@ static int cdce925_probe(struct i2c_client *client, for (i = 1; i < data->chip_info->num_outputs; ++i) { init.name = kasprintf(GFP_KERNEL, "%pOFn.Y%d", client->dev.of_node, i+1); + if (!init.name) { + err = -ENOMEM; + goto error; + } data->clk[i].chip = data; data->clk[i].hw.init = &init; data->clk[i].index = i; diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c index 2ef819606c41..1a4e6340f95c 100644 --- a/drivers/clk/clk-conf.c +++ b/drivers/clk/clk-conf.c @@ -33,9 +33,12 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier) else return rc; } - if (clkspec.np == node && !clk_supplier) + if (clkspec.np == node && !clk_supplier) { + of_node_put(clkspec.np); return 0; + } pclk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); if (IS_ERR(pclk)) { if (PTR_ERR(pclk) != -EPROBE_DEFER) pr_warn("clk: couldn't get parent clock %d for %pOF\n", @@ -48,10 +51,12 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier) if (rc < 0) goto err; if (clkspec.np == node && !clk_supplier) { + of_node_put(clkspec.np); rc = 0; goto err; } clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); if (IS_ERR(clk)) { if (PTR_ERR(clk) != -EPROBE_DEFER) pr_warn("clk: couldn't get assigned clock %d for %pOF\n", @@ -93,10 +98,13 @@ static int __set_clk_rates(struct device_node *node, bool clk_supplier) else return rc; } - if (clkspec.np == node && !clk_supplier) + if (clkspec.np == node && !clk_supplier) { + of_node_put(clkspec.np); return 0; + } clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); if (IS_ERR(clk)) { if (PTR_ERR(clk) != -EPROBE_DEFER) pr_warn("clk: couldn't get clock %d for %pOF\n", diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c index 40ce3fa093d7..0a00f7f3d3c1 100644 --- a/drivers/clk/clk-gate.c +++ b/drivers/clk/clk-gate.c @@ -56,7 +56,7 @@ static void clk_gate_endisable(struct clk_hw *hw, int enable) { struct clk_gate *gate = to_clk_gate(hw); int set = gate->flags & CLK_GATE_SET_TO_DISABLE ? 1 : 0; - unsigned long uninitialized_var(flags); + unsigned long flags; u32 reg; set ^= enable; diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c index 64ea895f1a7d..8e28e3489ded 100644 --- a/drivers/clk/keystone/sci-clk.c +++ b/drivers/clk/keystone/sci-clk.c @@ -287,6 +287,8 @@ static int _sci_clk_build(struct sci_clk_provider *provider, name = kasprintf(GFP_KERNEL, "clk:%d:%d", sci_clk->dev_id, sci_clk->clk_id); + if (!name) + return -ENOMEM; init.name = name; diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index ce1d2446f142..1a75cc9f68ef 100644 --- a/drivers/clk/rockchip/clk-rk3399.c +++ b/drivers/clk/rockchip/clk-rk3399.c @@ -1259,7 +1259,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = { RK3399_CLKSEL_CON(56), 6, 2, MFLAGS, RK3399_CLKGATE_CON(10), 7, GFLAGS), - COMPOSITE_NOGATE(SCLK_CIF_OUT, "clk_cifout", mux_clk_cif_p, 0, + COMPOSITE_NOGATE(SCLK_CIF_OUT, "clk_cifout", mux_clk_cif_p, CLK_SET_RATE_PARENT, RK3399_CLKSEL_CON(56), 5, 1, MFLAGS, 0, 5, DFLAGS), /* gic */ diff --git a/drivers/clk/tegra/clk-emc.c b/drivers/clk/tegra/clk-emc.c index 0c1b83bedb73..eb2411a4cd78 100644 --- a/drivers/clk/tegra/clk-emc.c +++ b/drivers/clk/tegra/clk-emc.c @@ -459,6 +459,7 @@ static int load_timings_from_dt(struct tegra_clk_emc *tegra, err = load_one_timing_from_dt(tegra, timing, child); if (err) { of_node_put(child); + kfree(tegra->timings); return err; } @@ -510,6 +511,7 @@ struct clk *tegra_clk_register_emc(void __iomem *base, struct device_node *np, err = load_timings_from_dt(tegra, node, node_ram_code); if (err) { of_node_put(node); + kfree(tegra); return ERR_PTR(err); } } diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 3e0f04f0e16e..3f74497d73e5 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -18,24 +18,24 @@ #define MISC_CLK_ENB 0x48 #define OSC_CTRL 0x50 -#define OSC_CTRL_OSC_FREQ_MASK (3<<30) -#define OSC_CTRL_OSC_FREQ_13MHZ (0<<30) -#define OSC_CTRL_OSC_FREQ_19_2MHZ (1<<30) -#define OSC_CTRL_OSC_FREQ_12MHZ (2<<30) -#define OSC_CTRL_OSC_FREQ_26MHZ (3<<30) -#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK) +#define OSC_CTRL_OSC_FREQ_MASK (3u<<30) +#define OSC_CTRL_OSC_FREQ_13MHZ (0u<<30) +#define OSC_CTRL_OSC_FREQ_19_2MHZ (1u<<30) +#define OSC_CTRL_OSC_FREQ_12MHZ (2u<<30) +#define OSC_CTRL_OSC_FREQ_26MHZ (3u<<30) +#define OSC_CTRL_MASK (0x3f2u | OSC_CTRL_OSC_FREQ_MASK) -#define OSC_CTRL_PLL_REF_DIV_MASK (3<<28) -#define OSC_CTRL_PLL_REF_DIV_1 (0<<28) -#define OSC_CTRL_PLL_REF_DIV_2 (1<<28) -#define OSC_CTRL_PLL_REF_DIV_4 (2<<28) +#define OSC_CTRL_PLL_REF_DIV_MASK (3u<<28) +#define OSC_CTRL_PLL_REF_DIV_1 (0u<<28) +#define OSC_CTRL_PLL_REF_DIV_2 (1u<<28) +#define OSC_CTRL_PLL_REF_DIV_4 (2u<<28) #define OSC_FREQ_DET 0x58 -#define OSC_FREQ_DET_TRIG (1<<31) +#define OSC_FREQ_DET_TRIG (1u<<31) #define OSC_FREQ_DET_STATUS 0x5c -#define OSC_FREQ_DET_BUSY (1<<31) -#define OSC_FREQ_DET_CNT_MASK 0xFFFF +#define OSC_FREQ_DET_BUSYu (1<<31) +#define OSC_FREQ_DET_CNT_MASK 0xFFFFu #define TEGRA20_CLK_PERIPH_BANKS 3 diff --git a/drivers/clocksource/timer-cadence-ttc.c b/drivers/clocksource/timer-cadence-ttc.c index 160bc6597de5..bd49385178d0 100644 --- a/drivers/clocksource/timer-cadence-ttc.c +++ b/drivers/clocksource/timer-cadence-ttc.c @@ -15,6 +15,8 @@ #include #include #include +#include +#include /* * This driver configures the 2 16/32-bit count-up timers as follows: @@ -464,13 +466,7 @@ out_kfree: return err; } -/** - * ttc_timer_init - Initialize the timer - * - * Initializes the timer hardware and register the clock source and clock event - * timers with Linux kernal timer framework - */ -static int __init ttc_timer_init(struct device_node *timer) +static int __init ttc_timer_probe(struct platform_device *pdev) { unsigned int irq; void __iomem *timer_baseaddr; @@ -478,6 +474,7 @@ static int __init ttc_timer_init(struct device_node *timer) static int initialized; int clksel, ret; u32 timer_width = 16; + struct device_node *timer = pdev->dev.of_node; if (initialized) return 0; @@ -489,10 +486,10 @@ static int __init ttc_timer_init(struct device_node *timer) * and use it. Note that the event timer uses the interrupt and it's the * 2nd TTC hence the irq_of_parse_and_map(,1) */ - timer_baseaddr = of_iomap(timer, 0); - if (!timer_baseaddr) { + timer_baseaddr = devm_of_iomap(&pdev->dev, timer, 0, NULL); + if (IS_ERR(timer_baseaddr)) { pr_err("ERROR: invalid timer base address\n"); - return -ENXIO; + return PTR_ERR(timer_baseaddr); } irq = irq_of_parse_and_map(timer, 1); @@ -516,20 +513,40 @@ static int __init ttc_timer_init(struct device_node *timer) clk_ce = of_clk_get(timer, clksel); if (IS_ERR(clk_ce)) { pr_err("ERROR: timer input clock not found\n"); - return PTR_ERR(clk_ce); + ret = PTR_ERR(clk_ce); + goto put_clk_cs; } ret = ttc_setup_clocksource(clk_cs, timer_baseaddr, timer_width); if (ret) - return ret; + goto put_clk_ce; ret = ttc_setup_clockevent(clk_ce, timer_baseaddr + 4, irq); if (ret) - return ret; + goto put_clk_ce; pr_info("%pOFn #0 at %p, irq=%d\n", timer, timer_baseaddr, irq); return 0; + +put_clk_ce: + clk_put(clk_ce); +put_clk_cs: + clk_put(clk_cs); + return ret; } -TIMER_OF_DECLARE(ttc, "cdns,ttc", ttc_timer_init); +static const struct of_device_id ttc_timer_of_match[] = { + {.compatible = "cdns,ttc"}, + {}, +}; + +MODULE_DEVICE_TABLE(of, ttc_timer_of_match); + +static struct platform_driver ttc_timer_driver = { + .driver = { + .name = "cdns_ttc_timer", + .of_match_table = ttc_timer_of_match, + }, +}; +builtin_platform_driver_probe(ttc_timer_driver, ttc_timer_probe); diff --git a/drivers/clocksource/timer-davinci.c b/drivers/clocksource/timer-davinci.c index e421946a91c5..3dc0c6ceed02 100644 --- a/drivers/clocksource/timer-davinci.c +++ b/drivers/clocksource/timer-davinci.c @@ -18,7 +18,7 @@ #include #undef pr_fmt -#define pr_fmt(fmt) "%s: " fmt "\n", __func__ +#define pr_fmt(fmt) "%s: " fmt, __func__ #define DAVINCI_TIMER_REG_TIM12 0x10 #define DAVINCI_TIMER_REG_TIM34 0x14 @@ -250,30 +250,32 @@ int __init davinci_timer_register(struct clk *clk, rv = clk_prepare_enable(clk); if (rv) { - pr_err("Unable to prepare and enable the timer clock"); + pr_err("Unable to prepare and enable the timer clock\n"); return rv; } if (!request_mem_region(timer_cfg->reg.start, resource_size(&timer_cfg->reg), "davinci-timer")) { - pr_err("Unable to request memory region"); - return -EBUSY; + pr_err("Unable to request memory region\n"); + rv = -EBUSY; + goto exit_clk_disable; } base = ioremap(timer_cfg->reg.start, resource_size(&timer_cfg->reg)); if (!base) { - pr_err("Unable to map the register range"); - return -ENOMEM; + pr_err("Unable to map the register range\n"); + rv = -ENOMEM; + goto exit_mem_region; } davinci_timer_init(base); tick_rate = clk_get_rate(clk); - clockevent = kzalloc(sizeof(*clockevent), GFP_KERNEL | __GFP_NOFAIL); + clockevent = kzalloc(sizeof(*clockevent), GFP_KERNEL); if (!clockevent) { - pr_err("Error allocating memory for clockevent data"); - return -ENOMEM; + rv = -ENOMEM; + goto exit_iounmap_base; } clockevent->dev.name = "tim12"; @@ -298,8 +300,8 @@ int __init davinci_timer_register(struct clk *clk, davinci_timer_irq_timer, IRQF_TIMER, "clockevent/tim12", clockevent); if (rv) { - pr_err("Unable to request the clockevent interrupt"); - return rv; + pr_err("Unable to request the clockevent interrupt\n"); + goto exit_free_clockevent; } davinci_clocksource.dev.rating = 300; @@ -325,14 +327,28 @@ int __init davinci_timer_register(struct clk *clk, rv = clocksource_register_hz(&davinci_clocksource.dev, tick_rate); if (rv) { - pr_err("Unable to register clocksource"); - return rv; + pr_err("Unable to register clocksource\n"); + goto exit_free_irq; } sched_clock_register(davinci_timer_read_sched_clock, DAVINCI_TIMER_CLKSRC_BITS, tick_rate); return 0; + +exit_free_irq: + free_irq(timer_cfg->irq[DAVINCI_TIMER_CLOCKEVENT_IRQ].start, + clockevent); +exit_free_clockevent: + kfree(clockevent); +exit_iounmap_base: + iounmap(base); +exit_mem_region: + release_mem_region(timer_cfg->reg.start, + resource_size(&timer_cfg->reg)); +exit_clk_disable: + clk_disable_unprepare(clk); + return rv; } static int __init of_davinci_timer_register(struct device_node *np) @@ -343,20 +359,20 @@ static int __init of_davinci_timer_register(struct device_node *np) rv = of_address_to_resource(np, 0, &timer_cfg.reg); if (rv) { - pr_err("Unable to get the register range for timer"); + pr_err("Unable to get the register range for timer\n"); return rv; } rv = of_irq_to_resource_table(np, timer_cfg.irq, DAVINCI_TIMER_NUM_IRQS); if (rv != DAVINCI_TIMER_NUM_IRQS) { - pr_err("Unable to get the interrupts for timer"); + pr_err("Unable to get the interrupts for timer\n"); return rv; } clk = of_clk_get(np, 0); if (IS_ERR(clk)) { - pr_err("Unable to get the timer clock"); + pr_err("Unable to get the timer clock\n"); return PTR_ERR(clk); } diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c index f261a57af1c0..919d6f1ced8d 100644 --- a/drivers/counter/104-quad-8.c +++ b/drivers/counter/104-quad-8.c @@ -57,10 +57,6 @@ struct quad8_iio { #define QUAD8_REG_CHAN_OP 0x11 #define QUAD8_REG_INDEX_INPUT_LEVELS 0x16 -/* Borrow Toggle flip-flop */ -#define QUAD8_FLAG_BT BIT(0) -/* Carry Toggle flip-flop */ -#define QUAD8_FLAG_CT BIT(1) /* Error flag */ #define QUAD8_FLAG_E BIT(4) /* Up/Down flag */ @@ -97,9 +93,6 @@ static int quad8_read_raw(struct iio_dev *indio_dev, { struct quad8_iio *const priv = iio_priv(indio_dev); const int base_offset = priv->base + 2 * chan->channel; - unsigned int flags; - unsigned int borrow; - unsigned int carry; int i; switch (mask) { @@ -110,12 +103,7 @@ static int quad8_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; } - flags = inb(base_offset + 1); - borrow = flags & QUAD8_FLAG_BT; - carry = !!(flags & QUAD8_FLAG_CT); - - /* Borrow XOR Carry effectively doubles count range */ - *val = (borrow ^ carry) << 24; + *val = 0; mutex_lock(&priv->lock); @@ -639,19 +627,9 @@ static int quad8_count_read(struct counter_device *counter, { struct quad8_iio *const priv = counter->priv; const int base_offset = priv->base + 2 * count->id; - unsigned int flags; - unsigned int borrow; - unsigned int carry; - unsigned long position; + unsigned long position = 0; int i; - flags = inb(base_offset + 1); - borrow = flags & QUAD8_FLAG_BT; - carry = !!(flags & QUAD8_FLAG_CT); - - /* Borrow XOR Carry effectively doubles count range */ - position = (unsigned long)(borrow ^ carry) << 24; - mutex_lock(&priv->lock); /* Reset Byte Pointer; transfer Counter to Output Latch */ @@ -1204,8 +1182,8 @@ static ssize_t quad8_count_ceiling_read(struct counter_device *counter, mutex_unlock(&priv->lock); - /* By default 0x1FFFFFF (25 bits unsigned) is maximum count */ - return sprintf(buf, "33554431\n"); + /* By default 0xFFFFFF (24 bits unsigned) is maximum count */ + return sprintf(buf, "16777215\n"); } static ssize_t quad8_count_ceiling_write(struct counter_device *counter, diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 88fe803a044d..06302eaa3e94 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -442,20 +442,6 @@ static void intel_pstate_init_acpi_perf_limits(struct cpufreq_policy *policy) (u32) cpu->acpi_perf_data.states[i].control); } - /* - * The _PSS table doesn't contain whole turbo frequency range. - * This just contains +1 MHZ above the max non turbo frequency, - * with control value corresponding to max turbo ratio. But - * when cpufreq set policy is called, it will call with this - * max frequency, which will cause a reduced performance as - * this driver uses real max turbo frequency as the max - * frequency. So correct this frequency in _PSS table to - * correct max turbo frequency based on the turbo state. - * Also need to convert to MHz as _PSS freq is in MHz. - */ - if (!global.turbo_disabled) - cpu->acpi_perf_data.states[0].core_frequency = - policy->cpuinfo.max_freq / 1000; cpu->valid_pss_table = true; pr_debug("_PPC limits will be enforced\n"); diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 9534f52210af..04638e183351 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -1090,11 +1090,12 @@ static irqreturn_t safexcel_irq_ring_thread(int irq, void *data) static int safexcel_request_ring_irq(void *pdev, int irqid, int is_pci_dev, + int ring_id, irq_handler_t handler, irq_handler_t threaded_handler, struct safexcel_ring_irq_data *ring_irq_priv) { - int ret, irq; + int ret, irq, cpu; struct device *dev; if (IS_ENABLED(CONFIG_PCI) && is_pci_dev) { @@ -1132,6 +1133,10 @@ static int safexcel_request_ring_irq(void *pdev, int irqid, return ret; } + /* Set affinity */ + cpu = cpumask_local_spread(ring_id, NUMA_NO_NODE); + irq_set_affinity_hint(irq, get_cpu_mask(cpu)); + return irq; } @@ -1462,19 +1467,23 @@ static int safexcel_probe_generic(void *pdev, &priv->ring[i].rdr); if (ret) { dev_err(dev, "Failed to initialize rings\n"); - return ret; + goto err_cleanup_rings; } priv->ring[i].rdr_req = devm_kcalloc(dev, EIP197_DEFAULT_RING_SIZE, sizeof(*priv->ring[i].rdr_req), GFP_KERNEL); - if (!priv->ring[i].rdr_req) - return -ENOMEM; + if (!priv->ring[i].rdr_req) { + ret = -ENOMEM; + goto err_cleanup_rings; + } ring_irq = devm_kzalloc(dev, sizeof(*ring_irq), GFP_KERNEL); - if (!ring_irq) - return -ENOMEM; + if (!ring_irq) { + ret = -ENOMEM; + goto err_cleanup_rings; + } ring_irq->priv = priv; ring_irq->ring = i; @@ -1482,14 +1491,17 @@ static int safexcel_probe_generic(void *pdev, irq = safexcel_request_ring_irq(pdev, EIP197_IRQ_NUMBER(i, is_pci_dev), is_pci_dev, + i, safexcel_irq_ring, safexcel_irq_ring_thread, ring_irq); if (irq < 0) { dev_err(dev, "Failed to get IRQ ID for ring %d\n", i); - return irq; + ret = irq; + goto err_cleanup_rings; } + priv->ring[i].irq = irq; priv->ring[i].work_data.priv = priv; priv->ring[i].work_data.ring = i; INIT_WORK(&priv->ring[i].work_data.work, @@ -1498,8 +1510,10 @@ static int safexcel_probe_generic(void *pdev, snprintf(wq_name, 9, "wq_ring%d", i); priv->ring[i].workqueue = create_singlethread_workqueue(wq_name); - if (!priv->ring[i].workqueue) - return -ENOMEM; + if (!priv->ring[i].workqueue) { + ret = -ENOMEM; + goto err_cleanup_rings; + } priv->ring[i].requests = 0; priv->ring[i].busy = false; @@ -1516,16 +1530,26 @@ static int safexcel_probe_generic(void *pdev, ret = safexcel_hw_init(priv); if (ret) { dev_err(dev, "HW init failed (%d)\n", ret); - return ret; + goto err_cleanup_rings; } ret = safexcel_register_algorithms(priv); if (ret) { dev_err(dev, "Failed to register algorithms (%d)\n", ret); - return ret; + goto err_cleanup_rings; } return 0; + +err_cleanup_rings: + for (i = 0; i < priv->config.rings; i++) { + if (priv->ring[i].irq) + irq_set_affinity_hint(priv->ring[i].irq, NULL); + if (priv->ring[i].workqueue) + destroy_workqueue(priv->ring[i].workqueue); + } + + return ret; } static void safexcel_hw_reset_rings(struct safexcel_crypto_priv *priv) @@ -1627,8 +1651,10 @@ static int safexcel_remove(struct platform_device *pdev) clk_disable_unprepare(priv->clk); - for (i = 0; i < priv->config.rings; i++) + for (i = 0; i < priv->config.rings; i++) { + irq_set_affinity_hint(priv->ring[i].irq, NULL); destroy_workqueue(priv->ring[i].workqueue); + } return 0; } diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h index 930cc48a6f85..6a4d7f09bca9 100644 --- a/drivers/crypto/inside-secure/safexcel.h +++ b/drivers/crypto/inside-secure/safexcel.h @@ -640,6 +640,9 @@ struct safexcel_ring { */ struct crypto_async_request *req; struct crypto_async_request *backlog; + + /* irq of this ring */ + int irq; }; /* EIP integration context flags */ diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c index 708dc63b2f09..c7d433d1cd99 100644 --- a/drivers/crypto/marvell/cipher.c +++ b/drivers/crypto/marvell/cipher.c @@ -287,7 +287,7 @@ static int mv_cesa_des_setkey(struct crypto_skcipher *cipher, const u8 *key, static int mv_cesa_des3_ede_setkey(struct crypto_skcipher *cipher, const u8 *key, unsigned int len) { - struct mv_cesa_des_ctx *ctx = crypto_skcipher_ctx(cipher); + struct mv_cesa_des3_ctx *ctx = crypto_skcipher_ctx(cipher); int err; err = verify_skcipher_des3_key(cipher, key); diff --git a/drivers/crypto/nx/Makefile b/drivers/crypto/nx/Makefile index 015155da59c2..76139865d7fa 100644 --- a/drivers/crypto/nx/Makefile +++ b/drivers/crypto/nx/Makefile @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_NX_ENCRYPT) += nx-crypto.o nx-crypto-objs := nx.o \ - nx_debugfs.o \ nx-aes-cbc.o \ nx-aes-ecb.o \ nx-aes-gcm.o \ @@ -11,6 +10,7 @@ nx-crypto-objs := nx.o \ nx-sha256.o \ nx-sha512.o +nx-crypto-$(CONFIG_DEBUG_FS) += nx_debugfs.o obj-$(CONFIG_CRYPTO_DEV_NX_COMPRESS_PSERIES) += nx-compress-pseries.o nx-compress.o obj-$(CONFIG_CRYPTO_DEV_NX_COMPRESS_POWERNV) += nx-compress-powernv.o nx-compress.o nx-compress-objs := nx-842.o diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h index 7ecca168f8c4..5c77aba450cf 100644 --- a/drivers/crypto/nx/nx.h +++ b/drivers/crypto/nx/nx.h @@ -169,8 +169,8 @@ struct nx_sg *nx_walk_and_build(struct nx_sg *, unsigned int, void nx_debugfs_init(struct nx_crypto_driver *); void nx_debugfs_fini(struct nx_crypto_driver *); #else -#define NX_DEBUGFS_INIT(drv) (0) -#define NX_DEBUGFS_FINI(drv) (0) +#define NX_DEBUGFS_INIT(drv) do {} while (0) +#define NX_DEBUGFS_FINI(drv) do {} while (0) #endif #define NX_PAGE_NUM(x) ((u64)(x) & 0xfffffffffffff000ULL) diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index a406b3c0d170..fdf3b5be2d50 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -212,6 +212,7 @@ struct at_xdmac { int irq; struct clk *clk; u32 save_gim; + u32 save_gs; struct dma_pool *at_xdmac_desc_pool; struct at_xdmac_chan chan[0]; }; @@ -1922,6 +1923,7 @@ static int atmel_xdmac_suspend(struct device *dev) } } atxdmac->save_gim = at_xdmac_read(atxdmac, AT_XDMAC_GIM); + atxdmac->save_gs = at_xdmac_read(atxdmac, AT_XDMAC_GS); at_xdmac_off(atxdmac); clk_disable_unprepare(atxdmac->clk); @@ -1958,7 +1960,8 @@ static int atmel_xdmac_resume(struct device *dev) at_xdmac_chan_write(atchan, AT_XDMAC_CNDC, atchan->save_cndc); at_xdmac_chan_write(atchan, AT_XDMAC_CIE, atchan->save_cim); wmb(); - at_xdmac_write(atxdmac, AT_XDMAC_GE, atchan->mask); + if (atxdmac->save_gs & atchan->mask) + at_xdmac_write(atxdmac, AT_XDMAC_GE, atchan->mask); } } return 0; diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index afbd1a459019..25d65f64cd50 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -165,7 +165,7 @@ static void vchan_free_desc(struct virt_dma_desc *vdesc) dw_edma_free_desc(vd2dw_edma_desc(vdesc)); } -static void dw_edma_start_transfer(struct dw_edma_chan *chan) +static int dw_edma_start_transfer(struct dw_edma_chan *chan) { struct dw_edma_chunk *child; struct dw_edma_desc *desc; @@ -173,16 +173,16 @@ static void dw_edma_start_transfer(struct dw_edma_chan *chan) vd = vchan_next_desc(&chan->vc); if (!vd) - return; + return 0; desc = vd2dw_edma_desc(vd); if (!desc) - return; + return 0; child = list_first_entry_or_null(&desc->chunk->list, struct dw_edma_chunk, list); if (!child) - return; + return 0; dw_edma_v0_core_start(child, !desc->xfer_sz); desc->xfer_sz += child->ll_region.sz; @@ -190,6 +190,8 @@ static void dw_edma_start_transfer(struct dw_edma_chan *chan) list_del(&child->list); kfree(child); desc->chunks_alloc--; + + return 1; } static int dw_edma_device_config(struct dma_chan *dchan, @@ -273,9 +275,12 @@ static void dw_edma_device_issue_pending(struct dma_chan *dchan) struct dw_edma_chan *chan = dchan2dw_edma_chan(dchan); unsigned long flags; + if (!chan->configured) + return; + spin_lock_irqsave(&chan->vc.lock, flags); - if (chan->configured && chan->request == EDMA_REQ_NONE && - chan->status == EDMA_ST_IDLE && vchan_issue_pending(&chan->vc)) { + if (vchan_issue_pending(&chan->vc) && chan->request == EDMA_REQ_NONE && + chan->status == EDMA_ST_IDLE) { chan->status = EDMA_ST_BUSY; dw_edma_start_transfer(chan); } @@ -483,14 +488,14 @@ static void dw_edma_done_interrupt(struct dw_edma_chan *chan) switch (chan->request) { case EDMA_REQ_NONE: desc = vd2dw_edma_desc(vd); - if (desc->chunks_alloc) { - chan->status = EDMA_ST_BUSY; - dw_edma_start_transfer(chan); - } else { + if (!desc->chunks_alloc) { list_del(&vd->node); vchan_cookie_complete(vd); - chan->status = EDMA_ST_IDLE; } + + /* Continue transferring if there are remaining chunks or issued requests. + */ + chan->status = dw_edma_start_transfer(chan) ? EDMA_ST_BUSY : EDMA_ST_IDLE; break; case EDMA_REQ_STOP: diff --git a/drivers/dma/mcf-edma.c b/drivers/dma/mcf-edma.c index e12b754e6398..60d3c5f09ad6 100644 --- a/drivers/dma/mcf-edma.c +++ b/drivers/dma/mcf-edma.c @@ -191,7 +191,13 @@ static int mcf_edma_probe(struct platform_device *pdev) return -EINVAL; } - chans = pdata->dma_channels; + if (!pdata->dma_channels) { + dev_info(&pdev->dev, "setting default channel number to 64"); + chans = 64; + } else { + chans = pdata->dma_channels; + } + len = sizeof(*mcf_edma) + sizeof(*mcf_chan) * chans; mcf_edma = devm_kzalloc(&pdev->dev, len, GFP_KERNEL); if (!mcf_edma) @@ -203,11 +209,6 @@ static int mcf_edma_probe(struct platform_device *pdev) mcf_edma->drvdata = &mcf_data; mcf_edma->big_endian = 1; - if (!mcf_edma->n_chans) { - dev_info(&pdev->dev, "setting default channel number to 64"); - mcf_edma->n_chans = 64; - } - mutex_init(&mcf_edma->fsl_edma_mutex); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index 3fa884145eb1..d5109d96ebf1 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -751,7 +751,7 @@ static int mv_xor_v2_probe(struct platform_device *pdev) xor_dev->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) { - ret = EPROBE_DEFER; + ret = -EPROBE_DEFER; goto disable_reg_clk; } if (!IS_ERR(xor_dev->clk)) { diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 77a6495bb6b1..1d7d4b8d810a 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -402,6 +402,12 @@ enum desc_status { * of a channel can be BUSY at any time. */ BUSY, + /* + * Pause was called while descriptor was BUSY. Due to hardware + * limitations, only termination is possible for descriptors + * that have been paused. + */ + PAUSED, /* * Sitting on the channel work_list but xfer done * by PL330 core @@ -1048,7 +1054,7 @@ static bool _trigger(struct pl330_thread *thrd) return true; } -static bool _start(struct pl330_thread *thrd) +static bool pl330_start_thread(struct pl330_thread *thrd) { switch (_state(thrd)) { case PL330_STATE_FAULT_COMPLETING: @@ -1696,7 +1702,7 @@ static int pl330_update(struct pl330_dmac *pl330) thrd->req_running = -1; /* Get going again ASAP */ - _start(thrd); + pl330_start_thread(thrd); /* For now, just make a list of callbacks to be done */ list_add_tail(&descdone->rqd, &pl330->req_done); @@ -2035,7 +2041,7 @@ static inline void fill_queue(struct dma_pl330_chan *pch) list_for_each_entry(desc, &pch->work_list, node) { /* If already submitted */ - if (desc->status == BUSY) + if (desc->status == BUSY || desc->status == PAUSED) continue; ret = pl330_submit_req(pch->thread, desc); @@ -2083,7 +2089,7 @@ static void pl330_tasklet(unsigned long data) } else { /* Make sure the PL330 Channel thread is active */ spin_lock(&pch->thread->dmac->lock); - _start(pch->thread); + pl330_start_thread(pch->thread); spin_unlock(&pch->thread->dmac->lock); } @@ -2101,7 +2107,7 @@ static void pl330_tasklet(unsigned long data) if (power_down) { pch->active = true; spin_lock(&pch->thread->dmac->lock); - _start(pch->thread); + pl330_start_thread(pch->thread); spin_unlock(&pch->thread->dmac->lock); power_down = false; } @@ -2322,6 +2328,7 @@ static int pl330_pause(struct dma_chan *chan) { struct dma_pl330_chan *pch = to_pchan(chan); struct pl330_dmac *pl330 = pch->dmac; + struct dma_pl330_desc *desc; unsigned long flags; pm_runtime_get_sync(pl330->ddma.dev); @@ -2331,6 +2338,10 @@ static int pl330_pause(struct dma_chan *chan) _stop(pch->thread); spin_unlock(&pl330->lock); + list_for_each_entry(desc, &pch->work_list, node) { + if (desc->status == BUSY) + desc->status = PAUSED; + } spin_unlock_irqrestore(&pch->lock, flags); pm_runtime_mark_last_busy(pl330->ddma.dev); pm_runtime_put_autosuspend(pl330->ddma.dev); @@ -2421,7 +2432,7 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie, else if (running && desc == running) transferred = pl330_get_current_xferred_count(pch, desc); - else if (desc->status == BUSY) + else if (desc->status == BUSY || desc->status == PAUSED) /* * Busy but not running means either just enqueued, * or finished and not yet marked done @@ -2438,6 +2449,9 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie, case DONE: ret = DMA_COMPLETE; break; + case PAUSED: + ret = DMA_PAUSED; + break; case PREP: case BUSY: ret = DMA_IN_PROGRESS; diff --git a/drivers/edac/skx_base.c b/drivers/edac/skx_base.c index b1d717cb8df9..f382cc70f9aa 100644 --- a/drivers/edac/skx_base.c +++ b/drivers/edac/skx_base.c @@ -459,7 +459,7 @@ rir_found: } static u8 skx_close_row[] = { - 15, 16, 17, 18, 20, 21, 22, 28, 10, 11, 12, 13, 29, 30, 31, 32, 33 + 15, 16, 17, 18, 20, 21, 22, 28, 10, 11, 12, 13, 29, 30, 31, 32, 33, 34 }; static u8 skx_close_column[] = { @@ -467,7 +467,7 @@ static u8 skx_close_column[] = { }; static u8 skx_open_row[] = { - 14, 15, 16, 20, 28, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33 + 14, 15, 16, 20, 28, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34 }; static u8 skx_open_column[] = { diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 4fc15283ef47..62bc424fa9cc 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -196,6 +196,14 @@ static const struct __extcon_info { * @attr_name: "name" sysfs entry * @attr_state: "state" sysfs entry * @attrs: the array pointing to attr_name and attr_state for attr_g + * @usb_propval: the array of USB connector properties + * @chg_propval: the array of charger connector properties + * @jack_propval: the array of jack connector properties + * @disp_propval: the array of display connector properties + * @usb_bits: the bit array of the USB connector property capabilities + * @chg_bits: the bit array of the charger connector property capabilities + * @jack_bits: the bit array of the jack connector property capabilities + * @disp_bits: the bit array of the display connector property capabilities */ struct extcon_cable { struct extcon_dev *edev; diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 522f3addb5bd..e1fa832f9fd7 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -1099,7 +1099,7 @@ static void context_tasklet(unsigned long data) static int context_add_buffer(struct context *ctx) { struct descriptor_buffer *desc; - dma_addr_t uninitialized_var(bus_addr); + dma_addr_t bus_addr; int offset; /* @@ -1289,7 +1289,7 @@ static int at_context_queue_packet(struct context *ctx, struct fw_packet *packet) { struct fw_ohci *ohci = ctx->ohci; - dma_addr_t d_bus, uninitialized_var(payload_bus); + dma_addr_t d_bus, payload_bus; struct driver_data *driver_data; struct descriptor *d, *last; __le32 *header; @@ -2445,7 +2445,7 @@ static int ohci_set_config_rom(struct fw_card *card, { struct fw_ohci *ohci; __be32 *next_config_rom; - dma_addr_t uninitialized_var(next_config_rom_bus); + dma_addr_t next_config_rom_bus; ohci = fw_ohci(card); @@ -2933,10 +2933,10 @@ static struct fw_iso_context *ohci_allocate_iso_context(struct fw_card *card, int type, int channel, size_t header_size) { struct fw_ohci *ohci = fw_ohci(card); - struct iso_context *uninitialized_var(ctx); - descriptor_callback_t uninitialized_var(callback); - u64 *uninitialized_var(channels); - u32 *uninitialized_var(mask), uninitialized_var(regs); + struct iso_context *ctx; + descriptor_callback_t callback; + u64 *channels; + u32 *mask, regs; int index, ret = -EBUSY; spin_lock_irq(&ohci->lock); diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 04120e4a2caa..ea41ae1d5bf5 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -1229,6 +1229,7 @@ static void qcom_scm_shutdown(struct platform_device *pdev) { qcom_scm_disable_sdi(); qcom_scm_halt_spmi_pmic_arbiter(); + qcom_scm_set_download_mode(QCOM_DOWNLOAD_NODUMP, 0); } static const struct of_device_id qcom_scm_dt_match[] = { diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c index da26a584dca0..1a690b2c1e2f 100644 --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -27,6 +28,8 @@ struct rpi_firmware { struct mbox_chan *chan; /* The property channel. */ struct completion c; u32 enabled; + + struct kref consumers; }; static DEFINE_MUTEX(transaction_lock); @@ -214,12 +217,38 @@ static void rpi_register_clk_driver(struct device *dev) -1, NULL, 0); } +static void rpi_firmware_delete(struct kref *kref) +{ + struct rpi_firmware *fw = container_of(kref, struct rpi_firmware, + consumers); + + mbox_free_channel(fw->chan); + kfree(fw); +} + +void rpi_firmware_put(struct rpi_firmware *fw) +{ + kref_put(&fw->consumers, rpi_firmware_delete); +} +EXPORT_SYMBOL_GPL(rpi_firmware_put); + +static void devm_rpi_firmware_put(void *data) +{ + struct rpi_firmware *fw = data; + + rpi_firmware_put(fw); +} + static int rpi_firmware_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct rpi_firmware *fw; - fw = devm_kzalloc(dev, sizeof(*fw), GFP_KERNEL); + /* + * Memory will be freed by rpi_firmware_delete() once all users have + * released their firmware handles. Don't use devm_kzalloc() here. + */ + fw = kzalloc(sizeof(*fw), GFP_KERNEL); if (!fw) return -ENOMEM; @@ -232,10 +261,12 @@ static int rpi_firmware_probe(struct platform_device *pdev) int ret = PTR_ERR(fw->chan); if (ret != -EPROBE_DEFER) dev_err(dev, "Failed to get mbox channel: %d\n", ret); + kfree(fw); return ret; } init_completion(&fw->c); + kref_init(&fw->consumers); platform_set_drvdata(pdev, fw); @@ -264,7 +295,8 @@ static int rpi_firmware_remove(struct platform_device *pdev) rpi_hwmon = NULL; platform_device_unregister(rpi_clk); rpi_clk = NULL; - mbox_free_channel(fw->chan); + + rpi_firmware_put(fw); return 0; } @@ -273,19 +305,51 @@ static int rpi_firmware_remove(struct platform_device *pdev) * rpi_firmware_get - Get pointer to rpi_firmware structure. * @firmware_node: Pointer to the firmware Device Tree node. * + * The reference to rpi_firmware has to be released with rpi_firmware_put(). + * * Returns NULL is the firmware device is not ready. */ struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node) { struct platform_device *pdev = of_find_device_by_node(firmware_node); + struct rpi_firmware *fw; if (!pdev) return NULL; - return platform_get_drvdata(pdev); + fw = platform_get_drvdata(pdev); + if (!fw) + return NULL; + + if (!kref_get_unless_zero(&fw->consumers)) + return NULL; + + return fw; } EXPORT_SYMBOL_GPL(rpi_firmware_get); +/** + * devm_rpi_firmware_get - Get pointer to rpi_firmware structure. + * @firmware_node: Pointer to the firmware Device Tree node. + * + * Returns NULL is the firmware device is not ready. + */ +struct rpi_firmware *devm_rpi_firmware_get(struct device *dev, + struct device_node *firmware_node) +{ + struct rpi_firmware *fw; + + fw = rpi_firmware_get(firmware_node); + if (!fw) + return NULL; + + if (devm_add_action_or_reset(dev, devm_rpi_firmware_put, fw)) + return NULL; + + return fw; +} +EXPORT_SYMBOL_GPL(devm_rpi_firmware_get); + static const struct of_device_id rpi_firmware_of_match[] = { { .compatible = "raspberrypi,bcm2835-firmware", }, {}, diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index 08c422380a00..2da2aa79c87e 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -615,7 +615,7 @@ svc_create_memory_pool(struct platform_device *pdev, end = rounddown(sh_memory->addr + sh_memory->size, PAGE_SIZE); paddr = begin; size = end - begin; - va = memremap(paddr, size, MEMREMAP_WC); + va = devm_memremap(dev, paddr, size, MEMREMAP_WC); if (!va) { dev_err(dev, "fail to remap shared memory\n"); return ERR_PTR(-EINVAL); @@ -981,8 +981,8 @@ static int stratix10_svc_drv_probe(struct platform_device *pdev) return ret; genpool = svc_create_memory_pool(pdev, sh_memory); - if (!genpool) - return -ENOMEM; + if (IS_ERR(genpool)) + return PTR_ERR(genpool); /* allocate service controller and supporting channel */ controller = devm_kzalloc(dev, sizeof(*controller), GFP_KERNEL); diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c index 4bab9028940a..aea4ceeed536 100644 --- a/drivers/fpga/fpga-bridge.c +++ b/drivers/fpga/fpga-bridge.c @@ -115,7 +115,7 @@ static int fpga_bridge_dev_match(struct device *dev, const void *data) /** * fpga_bridge_get - get an exclusive reference to a fpga bridge * @dev: parent device that fpga bridge was registered with - * @info: fpga manager info + * @info: fpga image specific information * * Given a device, get an exclusive reference to a fpga bridge. * diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c index 9c1c4d81aa7b..3e983d98837b 100644 --- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -339,7 +339,7 @@ static void gpio_mockup_debugfs_setup(struct device *dev, priv->offset = i; priv->desc = &gc->gpiodev->descs[i]; - debugfs_create_file(name, 0200, chip->dbg_dir, priv, + debugfs_create_file(name, 0600, chip->dbg_dir, priv, &gpio_mockup_debugfs_ops); } diff --git a/drivers/gpio/gpio-tps68470.c b/drivers/gpio/gpio-tps68470.c index aff6e504c666..9704cff9b4aa 100644 --- a/drivers/gpio/gpio-tps68470.c +++ b/drivers/gpio/gpio-tps68470.c @@ -91,13 +91,13 @@ static int tps68470_gpio_output(struct gpio_chip *gc, unsigned int offset, struct tps68470_gpio_data *tps68470_gpio = gpiochip_get_data(gc); struct regmap *regmap = tps68470_gpio->tps68470_regmap; + /* Set the initial value */ + tps68470_gpio_set(gc, offset, value); + /* rest are always outputs */ if (offset >= TPS68470_N_REGULAR_GPIO) return 0; - /* Set the initial value */ - tps68470_gpio_set(gc, offset, value); - return regmap_update_bits(regmap, TPS68470_GPIO_CTL_REG_A(offset), TPS68470_GPIO_MODE_MASK, TPS68470_GPIO_MODE_OUT_CMOS); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c index c799691dfa84..94a503dc08b7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c @@ -58,6 +58,7 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev, { struct fd f = fdget(fd); struct amdgpu_fpriv *fpriv; + struct amdgpu_ctx_mgr *mgr; struct amdgpu_ctx *ctx; uint32_t id; int r; @@ -71,8 +72,11 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev, return r; } - idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id) + mgr = &fpriv->ctx_mgr; + mutex_lock(&mgr->lock); + idr_for_each_entry(&mgr->ctx_handles, ctx, id) amdgpu_ctx_priority_override(ctx, priority); + mutex_unlock(&mgr->lock); fdput(f); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index fb47ddc6f7f4..dcf23b43f323 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -3076,6 +3076,10 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) struct amdgpu_fpriv *fpriv = filp->driver_priv; int r; + /* No valid flags defined yet */ + if (args->in.flags) + return -EINVAL; + switch (args->in.op) { case AMDGPU_VM_OP_RESERVE_VMID: /* current, we only have requirement to reserve vmid from gfxhub */ diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 1d8739a4fbca..a84deb3c79a3 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -3527,8 +3527,10 @@ static int gfx_v10_0_kiq_resume(struct amdgpu_device *adev) return r; r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (unlikely(r != 0)) + if (unlikely(r != 0)) { + amdgpu_bo_unreserve(ring->mqd_obj); return r; + } gfx_v10_0_kiq_init_queue(ring); amdgpu_bo_kunmap(ring->mqd_obj); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 685a2df01d09..4eba6b2d9cde 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3748,8 +3748,10 @@ static int gfx_v9_0_kiq_resume(struct amdgpu_device *adev) return r; r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (unlikely(r != 0)) + if (unlikely(r != 0)) { + amdgpu_bo_unreserve(ring->mqd_obj); return r; + } gfx_v9_0_kiq_init_queue(ring); amdgpu_bo_kunmap(ring->mqd_obj); @@ -3908,7 +3910,8 @@ static int gfx_v9_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_irq_put(adev, &adev->gfx.cp_ecc_error_irq, 0); + if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) + amdgpu_irq_put(adev, &adev->gfx.cp_ecc_error_irq, 0); amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0); amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 63205de4a565..7a50713268b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1534,7 +1534,6 @@ static int gmc_v9_0_hw_fini(void *handle) return 0; } - amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 23de332f3c6e..7ca7a68d588e 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1911,9 +1911,11 @@ static int sdma_v4_0_hw_fini(void *handle) if (amdgpu_sriov_vf(adev)) return 0; - for (i = 0; i < adev->sdma.num_instances; i++) { - amdgpu_irq_put(adev, &adev->sdma.ecc_irq, - AMDGPU_SDMA_IRQ_INSTANCE0 + i); + if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { + for (i = 0; i < adev->sdma.num_instances; i++) { + amdgpu_irq_put(adev, &adev->sdma.ecc_irq, + AMDGPU_SDMA_IRQ_INSTANCE0 + i); + } } sdma_v4_0_ctx_switch_enable(adev, false); diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 5f8c8786cac5..e985d1cdc142 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -329,8 +329,15 @@ static u32 vi_get_xclk(struct amdgpu_device *adev) u32 reference_clock = adev->clock.spll.reference_freq; u32 tmp; - if (adev->flags & AMD_IS_APU) - return reference_clock; + if (adev->flags & AMD_IS_APU) { + switch (adev->asic_type) { + case CHIP_STONEY: + /* vbios says 48Mhz, but the actual freq is 100Mhz */ + return 10000; + default: + return reference_clock; + } + } tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2); if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK)) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c index d3380c5bdbde..d978fcac2665 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -101,18 +101,19 @@ static struct kfd_mem_obj *allocate_mqd(struct kfd_dev *kfd, &(mqd_mem_obj->gtt_mem), &(mqd_mem_obj->gpu_addr), (void *)&(mqd_mem_obj->cpu_ptr), true); + + if (retval) { + kfree(mqd_mem_obj); + return NULL; + } } else { retval = kfd_gtt_sa_allocate(kfd, sizeof(struct v9_mqd), &mqd_mem_obj); - } - - if (retval) { - kfree(mqd_mem_obj); - return NULL; + if (retval) + return NULL; } return mqd_mem_obj; - } static void init_mqd(struct mqd_manager *mm, void **mqd, diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 1e7083bc8a52..3f3242783e1c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5776,6 +5776,8 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, continue; dc_plane = dm_new_plane_state->dc_state; + if (!dc_plane) + continue; bundle->surface_updates[planes_count].surface = dc_plane; if (new_pcrtc_state->color_mgmt_changed) { @@ -7029,8 +7031,9 @@ static int dm_update_plane_state(struct dc *dc, return -EINVAL; } + if (dm_old_plane_state->dc_state) + dc_plane_state_release(dm_old_plane_state->dc_state); - dc_plane_state_release(dm_old_plane_state->dc_state); dm_new_plane_state->dc_state = NULL; *lock_and_validation_needed = true; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index de246e183d6b..cdcd5051dd66 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1315,6 +1315,9 @@ bool dc_remove_plane_from_context( struct dc_stream_status *stream_status = NULL; struct resource_pool *pool = dc->res_pool; + if (!plane_state) + return true; + for (i = 0; i < context->stream_count; i++) if (context->streams[i] == stream) { stream_status = &context->stream_status[i]; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c index 6fd57cfb112f..96fdc18ecb3b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c @@ -778,7 +778,7 @@ static void dce_transform_set_pixel_storage_depth( color_depth = COLOR_DEPTH_101010; pixel_depth = 0; expan_mode = 1; - BREAK_TO_DEBUGGER(); + DC_LOG_DC("The pixel depth %d is not valid, set COLOR_DEPTH_101010 instead.", depth); break; } @@ -792,8 +792,7 @@ static void dce_transform_set_pixel_storage_depth( if (!(xfm_dce->lb_pixel_depth_supported & depth)) { /*we should use unsupported capabilities * unless it is required by w/a*/ - DC_LOG_WARNING("%s: Capability not supported", - __func__); + DC_LOG_DC("%s: Capability not supported", __func__); } } diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index 970bc00d2aaf..a3fc8dd507a7 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -985,7 +985,7 @@ static void sii8620_set_auto_zone(struct sii8620 *ctx) static void sii8620_stop_video(struct sii8620 *ctx) { - u8 uninitialized_var(val); + u8 val; sii8620_write_seq_static(ctx, REG_TPI_INTR_EN, 0, diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 2fc0f221fb4e..47649186fed7 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -97,6 +97,12 @@ drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state) if (!state->planes) goto fail; + /* + * Because drm_atomic_state can be committed asynchronously we need our + * own reference and cannot rely on the on implied by drm_file in the + * ioctl call. + */ + drm_dev_get(dev); state->dev = dev; DRM_DEBUG_ATOMIC("Allocated atomic state %p\n", state); @@ -256,7 +262,8 @@ EXPORT_SYMBOL(drm_atomic_state_clear); void __drm_atomic_state_free(struct kref *ref) { struct drm_atomic_state *state = container_of(ref, typeof(*state), ref); - struct drm_mode_config *config = &state->dev->mode_config; + struct drm_device *dev = state->dev; + struct drm_mode_config *config = &dev->mode_config; drm_atomic_state_clear(state); @@ -268,6 +275,8 @@ void __drm_atomic_state_free(struct kref *ref) drm_atomic_state_default_release(state); kfree(state); } + + drm_dev_put(dev); } EXPORT_SYMBOL(__drm_atomic_state_free); diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 5e906ea6df67..4365f605ee8b 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1078,7 +1078,16 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) continue; ret = drm_crtc_vblank_get(crtc); - WARN_ONCE(ret != -EINVAL, "driver forgot to call drm_crtc_vblank_off()\n"); + /* + * Self-refresh is not a true "disable"; ensure vblank remains + * enabled. + */ + if (new_crtc_state->self_refresh_active) + WARN_ONCE(ret != 0, + "driver disabled vblank in self-refresh\n"); + else + WARN_ONCE(ret != -EINVAL, + "driver forgot to call drm_crtc_vblank_off()\n"); if (ret == 0) drm_crtc_vblank_put(crtc); } diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 7a26bfb5329c..000fc820638a 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -75,15 +75,17 @@ int drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state, state->mode_blob = NULL; if (mode) { + struct drm_property_blob *blob; + drm_mode_convert_to_umode(&umode, mode); - state->mode_blob = - drm_property_create_blob(state->crtc->dev, - sizeof(umode), - &umode); - if (IS_ERR(state->mode_blob)) - return PTR_ERR(state->mode_blob); + blob = drm_property_create_blob(crtc->dev, + sizeof(umode), &umode); + if (IS_ERR(blob)) + return PTR_ERR(blob); drm_mode_copy(&state->mode, mode); + + state->mode_blob = blob; state->enable = true; DRM_DEBUG_ATOMIC("Set [MODE:%s] for [CRTC:%d:%s] state %p\n", mode->name, crtc->base.id, crtc->name, state); diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index bf1bdb0aac19..10769efaf7cb 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -281,6 +281,9 @@ static bool drm_client_target_cloned(struct drm_device *dev, can_clone = true; dmt_mode = drm_mode_find_dmt(dev, 1024, 768, 60, false); + if (!dmt_mode) + goto fail; + for (i = 0; i < connector_count; i++) { if (!enabled[i]) continue; @@ -296,11 +299,13 @@ static bool drm_client_target_cloned(struct drm_device *dev, if (!modes[i]) can_clone = false; } + kfree(dmt_mode); if (can_clone) { DRM_DEBUG_KMS("can clone using 1024x768\n"); return true; } +fail: DRM_INFO("kms: can't enable cloning when we probably wanted to.\n"); return false; } @@ -785,6 +790,7 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width, break; } + kfree(modeset->mode); modeset->mode = drm_mode_duplicate(dev, mode); drm_connector_get(connector); modeset->connectors[modeset->num_connectors++] = connector; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index f20a0dadf5b1..f265797307bc 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2787,7 +2787,7 @@ static int drm_cvt_modes(struct drm_connector *connector, const u8 empty[3] = { 0, 0, 0 }; for (i = 0; i < 4; i++) { - int uninitialized_var(width), height; + int width, height; cvt = &(timing->data.other_data.data.cvt[i]); if (!memcmp(cvt->code, empty, 3)) @@ -2795,6 +2795,8 @@ static int drm_cvt_modes(struct drm_connector *connector, height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2; switch (cvt->code[1] & 0x0c) { + /* default - because compiler doesn't see that we've enumerated all cases */ + default: case 0x00: width = height * 4 / 3; break; diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 9f8c56d62933..a9d8f74722c7 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1336,6 +1336,9 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, return -EINVAL; } + var->xres_virtual = fb->width; + var->yres_virtual = fb->height; + /* * Workaround for SDL 1.2, which is known to be setting all pixel format * fields values to zero in some cases. We treat this situation as a diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 7d3f98a39476..422af60e5205 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -221,7 +221,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host, return dsi; } - dsi->dev.of_node = info->node; + device_set_node(&dsi->dev, of_fwnode_handle(info->node)); dsi->channel = info->channel; strlcpy(dsi->name, info->type, sizeof(dsi->name)); diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index ef2c468205a2..e16ac368ba8c 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -460,8 +460,9 @@ retry: */ dev->mode_config.delayed_event = true; if (dev->mode_config.poll_enabled) - schedule_delayed_work(&dev->mode_config.output_poll_work, - 0); + mod_delayed_work(system_wq, + &dev->mode_config.output_poll_work, + 0); } /* Re-enable polling in case the global poll config changed. */ diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index 9c262daf5816..1061430aced2 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -775,8 +775,8 @@ static int decon_conf_irq(struct decon_context *ctx, const char *name, return irq; } } - irq_set_status_flags(irq, IRQ_NOAUTOEN); - ret = devm_request_irq(ctx->dev, irq, handler, flags, "drm_decon", ctx); + ret = devm_request_irq(ctx->dev, irq, handler, + flags | IRQF_NO_AUTOEN, "drm_decon", ctx); if (ret < 0) { dev_err(ctx->dev, "IRQ %s request failed\n", name); return ret; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index b83acd696774..18fac4a735fb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -544,9 +544,9 @@ static unsigned long exynos_dsi_pll_find_pms(struct exynos_dsi *dsi, unsigned long best_freq = 0; u32 min_delta = 0xffffffff; u8 p_min, p_max; - u8 _p, uninitialized_var(best_p); - u16 _m, uninitialized_var(best_m); - u8 _s, uninitialized_var(best_s); + u8 _p, best_p; + u16 _m, best_m; + u8 _s, best_s; p_min = DIV_ROUND_UP(fin, (12 * MHZ)); p_max = fin / (6 * MHZ); @@ -1350,10 +1350,9 @@ static int exynos_dsi_register_te_irq(struct exynos_dsi *dsi, } te_gpio_irq = gpio_to_irq(dsi->te_gpio); - irq_set_status_flags(te_gpio_irq, IRQ_NOAUTOEN); ret = request_threaded_irq(te_gpio_irq, exynos_dsi_te_irq_handler, NULL, - IRQF_TRIGGER_RISING, "TE", dsi); + IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN, "TE", dsi); if (ret) { dev_err(dsi->dev, "request interrupt failed with %d\n", ret); gpio_free(dsi->te_gpio); @@ -1792,9 +1791,9 @@ static int exynos_dsi_probe(struct platform_device *pdev) return dsi->irq; } - irq_set_status_flags(dsi->irq, IRQ_NOAUTOEN); ret = devm_request_threaded_irq(dev, dsi->irq, NULL, - exynos_dsi_irq, IRQF_ONESHOT, + exynos_dsi_irq, + IRQF_ONESHOT | IRQF_NO_AUTOEN, dev_name(dev), dsi); if (ret) { dev_err(dev, "failed to request dsi irq\n"); diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index fcee33a43aca..2df04de7f435 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -1332,7 +1332,7 @@ int exynos_g2d_exec_ioctl(struct drm_device *drm_dev, void *data, /* Let the runqueue know that there is work to do. */ queue_work(g2d->g2d_workq, &g2d->runqueue_work); - if (runqueue_node->async) + if (req->async) goto out; wait_for_completion(&runqueue_node->complete); diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.h b/drivers/gpu/drm/exynos/exynos_drm_g2d.h index 74ea3c26dead..1a5ae781b56c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.h +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.h @@ -34,11 +34,11 @@ static inline int exynos_g2d_exec_ioctl(struct drm_device *dev, void *data, return -ENODEV; } -int g2d_open(struct drm_device *drm_dev, struct drm_file *file) +static inline int g2d_open(struct drm_device *drm_dev, struct drm_file *file) { return 0; } -void g2d_close(struct drm_device *drm_dev, struct drm_file *file) +static inline void g2d_close(struct drm_device *drm_dev, struct drm_file *file) { } #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 65b891cb9c50..d882a22dfd6e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -483,8 +483,6 @@ static int vidi_remove(struct platform_device *pdev) if (ctx->raw_edid != (struct edid *)fake_edid_info) { kfree(ctx->raw_edid); ctx->raw_edid = NULL; - - return -EINVAL; } component_del(&pdev->dev, &vidi_component_ops); diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 398068b17389..d8b40cc091da 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -475,7 +475,7 @@ static struct i915_request * __unwind_incomplete_requests(struct intel_engine_cs *engine) { struct i915_request *rq, *rn, *active = NULL; - struct list_head *uninitialized_var(pl); + struct list_head *pl; int prio = I915_PRIORITY_INVALID; lockdep_assert_held(&engine->active.lock); diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 62f8a47fda45..dc5483b31c1b 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1926,13 +1926,14 @@ int __intel_wait_for_register_fw(struct intel_uncore *uncore, unsigned int slow_timeout_ms, u32 *out_value) { - u32 uninitialized_var(reg_value); + u32 reg_value = 0; #define done (((reg_value = intel_uncore_read_fw(uncore, reg)) & mask) == value) int ret; /* Catch any overuse of this function */ might_sleep_if(slow_timeout_ms); GEM_BUG_ON(fast_timeout_us > 20000); + GEM_BUG_ON(!fast_timeout_us && !slow_timeout_ms); ret = -ETIMEDOUT; if (fast_timeout_us && fast_timeout_us <= 20000) diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c index 75ec703d22e0..89513c7c50d5 100644 --- a/drivers/gpu/drm/lima/lima_drv.c +++ b/drivers/gpu/drm/lima/lima_drv.c @@ -300,8 +300,10 @@ static int lima_pdev_probe(struct platform_device *pdev) /* Allocate and initialize the DRM device. */ ddev = drm_dev_alloc(&lima_drm_driver, &pdev->dev); - if (IS_ERR(ddev)) - return PTR_ERR(ddev); + if (IS_ERR(ddev)) { + err = PTR_ERR(ddev); + goto err_out0; + } ddev->dev_private = ldev; ldev->ddev = ddev; diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 593b8d83179c..65c2c5361e5f 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -71,7 +71,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit * since we've already mapped it once in * submit_reloc() */ - if (WARN_ON(!ptr)) + if (WARN_ON(IS_ERR_OR_NULL(ptr))) return; for (i = 0; i < dwords; i++) { diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h index 68cccfa2870a..9c8eb1ae4acf 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h @@ -200,7 +200,7 @@ static const struct a6xx_shader_block { SHADER(A6XX_SP_LB_3_DATA, 0x800), SHADER(A6XX_SP_LB_4_DATA, 0x800), SHADER(A6XX_SP_LB_5_DATA, 0x200), - SHADER(A6XX_SP_CB_BINDLESS_DATA, 0x2000), + SHADER(A6XX_SP_CB_BINDLESS_DATA, 0x800), SHADER(A6XX_SP_CB_LEGACY_DATA, 0x280), SHADER(A6XX_SP_UAV_DATA, 0x80), SHADER(A6XX_SP_INST_TAG, 0x80), diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 0888e0df660d..2a727ab0faf7 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -233,8 +233,11 @@ struct msm_gpu *adreno_load_gpu(struct drm_device *dev) if (ret) return NULL; - /* Make sure pm runtime is active and reset any previous errors */ - pm_runtime_set_active(&pdev->dev); + /* + * Now that we have firmware loaded, and are ready to begin + * booting the gpu, go ahead and enable runpm: + */ + pm_runtime_enable(&pdev->dev); ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) { diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 3802ad38c519..6f83253a8c58 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -899,7 +899,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, pm_runtime_set_autosuspend_delay(&pdev->dev, adreno_gpu->info->inactive_period); pm_runtime_use_autosuspend(&pdev->dev); - pm_runtime_enable(&pdev->dev); return msm_gpu_init(drm, pdev, &adreno_gpu->base, &funcs->base, adreno_gpu->info->name, &adreno_gpu_config); @@ -908,11 +907,15 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu) { struct msm_gpu *gpu = &adreno_gpu->base; + struct msm_drm_private *priv = gpu->dev ? gpu->dev->dev_private : NULL; unsigned int i; for (i = 0; i < ARRAY_SIZE(adreno_gpu->info->fw); i++) release_firmware(adreno_gpu->fw[i]); + if (priv && pm_runtime_enabled(&priv->gpu_pdev->dev)) + pm_runtime_disable(&priv->gpu_pdev->dev); + icc_put(gpu->icc_path); msm_gpu_cleanup(&adreno_gpu->base); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h index cf4b9b5964c6..cd6c3518ba02 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h @@ -14,19 +14,6 @@ #define DPU_PERF_DEFAULT_MAX_CORE_CLK_RATE 412500000 -/** - * enum dpu_core_perf_data_bus_id - data bus identifier - * @DPU_CORE_PERF_DATA_BUS_ID_MNOC: DPU/MNOC data bus - * @DPU_CORE_PERF_DATA_BUS_ID_LLCC: MNOC/LLCC data bus - * @DPU_CORE_PERF_DATA_BUS_ID_EBI: LLCC/EBI data bus - */ -enum dpu_core_perf_data_bus_id { - DPU_CORE_PERF_DATA_BUS_ID_MNOC, - DPU_CORE_PERF_DATA_BUS_ID_LLCC, - DPU_CORE_PERF_DATA_BUS_ID_EBI, - DPU_CORE_PERF_DATA_BUS_ID_MAX, -}; - /** * struct dpu_core_perf_params - definition of performance parameters * @max_per_pipe_ib: maximum instantaneous bandwidth request diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 496e7dcd6b7d..4e28e89b51dc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -538,6 +538,19 @@ nouveau_connector_set_encoder(struct drm_connector *connector, } } +static void +nouveau_connector_set_edid(struct nouveau_connector *nv_connector, + struct edid *edid) +{ + if (nv_connector->edid != edid) { + struct edid *old_edid = nv_connector->edid; + + drm_connector_update_edid_property(&nv_connector->base, edid); + kfree(old_edid); + nv_connector->edid = edid; + } +} + static enum drm_connector_status nouveau_connector_detect(struct drm_connector *connector, bool force) { @@ -551,13 +564,6 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) int ret; enum drm_connector_status conn_status = connector_status_disconnected; - /* Cleanup the previous EDID block. */ - if (nv_connector->edid) { - drm_connector_update_edid_property(connector, NULL); - kfree(nv_connector->edid); - nv_connector->edid = NULL; - } - /* Outputs are only polled while runtime active, so resuming the * device here is unnecessary (and would deadlock upon runtime suspend * because it waits for polling to finish). We do however, want to @@ -570,22 +576,23 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) ret = pm_runtime_get_sync(dev->dev); if (ret < 0 && ret != -EACCES) { pm_runtime_put_autosuspend(dev->dev); + nouveau_connector_set_edid(nv_connector, NULL); return conn_status; } } nv_encoder = nouveau_connector_ddc_detect(connector); if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { + struct edid *new_edid; + if ((vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC) && nv_connector->type == DCB_CONNECTOR_LVDS) - nv_connector->edid = drm_get_edid_switcheroo(connector, - i2c); + new_edid = drm_get_edid_switcheroo(connector, i2c); else - nv_connector->edid = drm_get_edid(connector, i2c); + new_edid = drm_get_edid(connector, i2c); - drm_connector_update_edid_property(connector, - nv_connector->edid); + nouveau_connector_set_edid(nv_connector, new_edid); if (!nv_connector->edid) { NV_ERROR(drm, "DDC responded, but no EDID for %s\n", connector->name); @@ -619,6 +626,8 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) conn_status = connector_status_connected; drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); goto out; + } else { + nouveau_connector_set_edid(nv_connector, NULL); } nv_encoder = nouveau_connector_of_detect(connector); @@ -661,24 +670,20 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_encoder *nv_encoder = NULL; + struct edid *edid = NULL; enum drm_connector_status status = connector_status_disconnected; - /* Cleanup the previous EDID block. */ - if (nv_connector->edid) { - drm_connector_update_edid_property(connector, NULL); - kfree(nv_connector->edid); - nv_connector->edid = NULL; - } - nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); if (!nv_encoder) - return connector_status_disconnected; + goto out; /* Try retrieving EDID via DDC */ if (!drm->vbios.fp_no_ddc) { status = nouveau_connector_detect(connector, force); - if (status == connector_status_connected) + if (status == connector_status_connected) { + edid = nv_connector->edid; goto out; + } } /* On some laptops (Sony, i'm looking at you) there appears to @@ -691,7 +696,8 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) * valid - it's not (rh#613284) */ if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { - if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { + edid = nouveau_acpi_edid(dev, connector); + if (edid) { status = connector_status_connected; goto out; } @@ -711,12 +717,10 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) * stored for the panel stored in them. */ if (!drm->vbios.fp_no_ddc) { - struct edid *edid = - (struct edid *)nouveau_bios_embedded_edid(dev); + edid = (struct edid *)nouveau_bios_embedded_edid(dev); if (edid) { - nv_connector->edid = - kmemdup(edid, EDID_LENGTH, GFP_KERNEL); - if (nv_connector->edid) + edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL); + if (edid) status = connector_status_connected; } } @@ -729,8 +733,9 @@ out: status = connector_status_unknown; #endif - drm_connector_update_edid_property(connector, nv_connector->edid); - nouveau_connector_set_encoder(connector, nv_encoder); + nouveau_connector_set_edid(nv_connector, edid); + if (nv_encoder) + nouveau_connector_set_encoder(connector, nv_encoder); return status; } @@ -971,7 +976,7 @@ nouveau_connector_get_modes(struct drm_connector *connector) * "native" mode as some VBIOS tables require us to use the * pixel clock as part of the lookup... */ - if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) + if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && nv_connector->native_mode) nouveau_connector_detect_depth(connector); if (nv_encoder->dcb->type == DCB_OUTPUT_TV) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index e18938972a89..a3ca5a38203f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -123,10 +123,16 @@ nouveau_name(struct drm_device *dev) static inline bool nouveau_cli_work_ready(struct dma_fence *fence) { - if (!dma_fence_is_signaled(fence)) - return false; - dma_fence_put(fence); - return true; + bool ret = true; + + spin_lock_irq(fence->lock); + if (!dma_fence_is_signaled_locked(fence)) + ret = false; + spin_unlock_irq(fence->lock); + + if (ret == true) + dma_fence_put(fence); + return ret; } static void diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h index 478b4723d0f9..c88ceb486f3b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h @@ -121,6 +121,7 @@ void gk104_grctx_generate_r418800(struct gf100_gr *); extern const struct gf100_grctx_func gk110_grctx; void gk110_grctx_generate_r419eb0(struct gf100_gr *); +void gk110_grctx_generate_r419f78(struct gf100_gr *); extern const struct gf100_grctx_func gk110b_grctx; extern const struct gf100_grctx_func gk208_grctx; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk104.c index 304e9d268bad..f894f8254824 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk104.c @@ -916,7 +916,9 @@ static void gk104_grctx_generate_r419f78(struct gf100_gr *gr) { struct nvkm_device *device = gr->base.engine.subdev.device; - nvkm_mask(device, 0x419f78, 0x00000001, 0x00000000); + + /* bit 3 set disables loads in fp helper invocations, we need it enabled */ + nvkm_mask(device, 0x419f78, 0x00000009, 0x00000000); } void diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110.c index 86547cfc38dc..e88740d4e54d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110.c @@ -820,6 +820,15 @@ gk110_grctx_generate_r419eb0(struct gf100_gr *gr) nvkm_mask(device, 0x419eb0, 0x00001000, 0x00001000); } +void +gk110_grctx_generate_r419f78(struct gf100_gr *gr) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + /* bit 3 set disables loads in fp helper invocations, we need it enabled */ + nvkm_mask(device, 0x419f78, 0x00000008, 0x00000000); +} + const struct gf100_grctx_func gk110_grctx = { .main = gf100_grctx_generate_main, @@ -852,4 +861,5 @@ gk110_grctx = { .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, .r418800 = gk104_grctx_generate_r418800, .r419eb0 = gk110_grctx_generate_r419eb0, + .r419f78 = gk110_grctx_generate_r419f78, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110b.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110b.c index ebb947bd1446..086e4d49e112 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110b.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk110b.c @@ -101,4 +101,5 @@ gk110b_grctx = { .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, .r418800 = gk104_grctx_generate_r418800, .r419eb0 = gk110_grctx_generate_r419eb0, + .r419f78 = gk110_grctx_generate_r419f78, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk208.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk208.c index 4d40512b5c99..0bf438c3f7cb 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk208.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgk208.c @@ -566,4 +566,5 @@ gk208_grctx = { .dist_skip_table = gf117_grctx_generate_dist_skip_table, .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, .r418800 = gk104_grctx_generate_r418800, + .r419f78 = gk110_grctx_generate_r419f78, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c index 0b3964e6b36e..acdf0932a99e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c @@ -991,4 +991,5 @@ gm107_grctx = { .r406500 = gm107_grctx_generate_r406500, .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, .r419e00 = gm107_grctx_generate_r419e00, + .r419f78 = gk110_grctx_generate_r419f78, }; diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c index c7b48df8869a..3ee265f1755f 100644 --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c @@ -460,7 +460,7 @@ static int otm8009a_probe(struct mipi_dsi_device *dsi) ctx->panel.funcs = &otm8009a_drm_funcs; ctx->bl_dev = devm_backlight_device_register(dev, dev_name(dev), - dsi->host->dev, ctx, + dev, ctx, &otm8009a_backlight_ops, NULL); if (IS_ERR(ctx->bl_dev)) { diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 312a3c4e2331..ec0085e66436 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -531,8 +531,8 @@ static const struct panel_desc ampire_am_480272h3tmqw_t01h = { .num_modes = 1, .bpc = 8, .size = { - .width = 105, - .height = 67, + .width = 99, + .height = 58, }, .bus_format = MEDIA_BUS_FMT_RGB888_1X24, }; diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 1e62e7bbf1b1..5403f4c902b6 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -5556,6 +5556,7 @@ static int ci_parse_power_table(struct radeon_device *rdev) u8 frev, crev; u8 *power_state_offset; struct ci_ps *ps; + int ret; if (!atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset)) @@ -5585,11 +5586,15 @@ static int ci_parse_power_table(struct radeon_device *rdev) non_clock_array_index = power_state->v2.nonClockInfoIndex; non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) &non_clock_info_array->nonClockInfo[non_clock_array_index]; - if (!rdev->pm.power_state[i].clock_info) - return -EINVAL; + if (!rdev->pm.power_state[i].clock_info) { + ret = -EINVAL; + goto err_free_ps; + } ps = kzalloc(sizeof(struct ci_ps), GFP_KERNEL); - if (ps == NULL) - return -ENOMEM; + if (ps == NULL) { + ret = -ENOMEM; + goto err_free_ps; + } rdev->pm.dpm.ps[i].ps_priv = ps; ci_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], non_clock_info, @@ -5629,6 +5634,12 @@ static int ci_parse_power_table(struct radeon_device *rdev) } return 0; + +err_free_ps: + for (i = 0; i < rdev->pm.dpm.num_ps; i++) + kfree(rdev->pm.dpm.ps[i].ps_priv); + kfree(rdev->pm.dpm.ps); + return ret; } static int ci_get_vbios_boot_values(struct radeon_device *rdev, @@ -5717,25 +5728,26 @@ int ci_dpm_init(struct radeon_device *rdev) ret = ci_get_vbios_boot_values(rdev, &pi->vbios_boot_state); if (ret) { - ci_dpm_fini(rdev); + kfree(rdev->pm.dpm.priv); return ret; } ret = r600_get_platform_caps(rdev); if (ret) { - ci_dpm_fini(rdev); + kfree(rdev->pm.dpm.priv); return ret; } ret = r600_parse_extended_power_table(rdev); if (ret) { - ci_dpm_fini(rdev); + kfree(rdev->pm.dpm.priv); return ret; } ret = ci_parse_power_table(rdev); if (ret) { - ci_dpm_fini(rdev); + kfree(rdev->pm.dpm.priv); + r600_free_extended_power_table(rdev); return ret; } diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index 32ed60f1048b..b31d65a6752f 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.c +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -559,8 +559,12 @@ static int cypress_populate_mclk_value(struct radeon_device *rdev, ASIC_INTERNAL_MEMORY_SS, vco_freq)) { u32 reference_clock = rdev->clock.mpll.reference_freq; u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div); - u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate); - u32 clk_v = ss.percentage * + u32 clk_s, clk_v; + + if (!decoded_ref) + return -EINVAL; + clk_s = reference_clock * 5 / (decoded_ref * ss.rate); + clk_v = ss.percentage * (0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625); mpll_ss1 &= ~CLKV_MASK; diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 288ec3039bc2..cad7a73a551f 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -2241,8 +2241,12 @@ static int ni_populate_mclk_value(struct radeon_device *rdev, ASIC_INTERNAL_MEMORY_SS, vco_freq)) { u32 reference_clock = rdev->clock.mpll.reference_freq; u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div); - u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate); - u32 clk_v = ss.percentage * + u32 clk_s, clk_v; + + if (!decoded_ref) + return -EINVAL; + clk_s = reference_clock * 5 / (decoded_ref * ss.rate); + clk_v = ss.percentage * (0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625); mpll_ss1 &= ~CLKV_MASK; diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index b2b076606f54..e164b3c7a234 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -384,7 +384,6 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, struct radeon_device *rdev = dev->dev_private; struct drm_radeon_gem_set_domain *args = data; struct drm_gem_object *gobj; - struct radeon_bo *robj; int r; /* for now if someone requests domain CPU - @@ -397,13 +396,12 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, up_read(&rdev->exclusive_lock); return -ENOENT; } - robj = gem_to_radeon_bo(gobj); r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain); drm_gem_object_put_unlocked(gobj); up_read(&rdev->exclusive_lock); - r = radeon_gem_handle_lockup(robj->rdev, r); + r = radeon_gem_handle_lockup(rdev, r); return r; } diff --git a/drivers/gpu/drm/radeon/rv740_dpm.c b/drivers/gpu/drm/radeon/rv740_dpm.c index 327d65a76e1f..79b2de65e905 100644 --- a/drivers/gpu/drm/radeon/rv740_dpm.c +++ b/drivers/gpu/drm/radeon/rv740_dpm.c @@ -250,8 +250,12 @@ int rv740_populate_mclk_value(struct radeon_device *rdev, ASIC_INTERNAL_MEMORY_SS, vco_freq)) { u32 reference_clock = rdev->clock.mpll.reference_freq; u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div); - u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate); - u32 clk_v = 0x40000 * ss.percentage * + u32 clk_s, clk_v; + + if (!decoded_ref) + return -EINVAL; + clk_s = reference_clock * 5 / (decoded_ref * ss.rate); + clk_v = 0x40000 * ss.percentage * (dividers.whole_fb_div + (dividers.frac_fb_div / 8)) / (clk_s * 10000); mpll_ss1 &= ~CLKV_MASK; diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 8e2f8410b0dd..2dfaa9b73c28 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -481,8 +481,8 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, const struct drm_display_mode *mode, unsigned long best_freq = 0; unsigned long fvco_min, fvco_max, fin, fout; unsigned int min_prediv, max_prediv; - unsigned int _prediv, uninitialized_var(best_prediv); - unsigned long _fbdiv, uninitialized_var(best_fbdiv); + unsigned int _prediv, best_prediv; + unsigned long _fbdiv, best_fbdiv; unsigned long min_delta = ULONG_MAX; dsi->format = format; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index 291e89b4045f..96cc794147b5 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -249,9 +249,6 @@ static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj, else ret = rockchip_drm_gem_object_mmap_dma(obj, vma); - if (ret) - drm_gem_vm_close(vma); - return ret; } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 57e0396662c3..1795adbd81d3 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -654,13 +654,13 @@ static void vop_crtc_atomic_disable(struct drm_crtc *crtc, if (crtc->state->self_refresh_active) rockchip_drm_set_win_enabled(crtc, false); + if (crtc->state->self_refresh_active) + goto out; + mutex_lock(&vop->vop_lock); drm_crtc_vblank_off(crtc); - if (crtc->state->self_refresh_active) - goto out; - /* * Vop standby will take effect at end of current frame, * if dsp hold valid irq happen, it means standby complete. @@ -692,9 +692,9 @@ static void vop_crtc_atomic_disable(struct drm_crtc *crtc, vop_core_clks_disable(vop); pm_runtime_put(vop->dev); -out: mutex_unlock(&vop->vop_lock); +out: if (crtc->state->event && !crtc->state->active) { spin_lock_irq(&crtc->dev->event_lock); drm_crtc_send_vblank_event(crtc, crtc->state->event); diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index eb3b2350687f..193c7f979bca 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -753,21 +753,19 @@ static irqreturn_t sun4i_tcon_handler(int irq, void *private) static int sun4i_tcon_init_clocks(struct device *dev, struct sun4i_tcon *tcon) { - tcon->clk = devm_clk_get(dev, "ahb"); + tcon->clk = devm_clk_get_enabled(dev, "ahb"); if (IS_ERR(tcon->clk)) { dev_err(dev, "Couldn't get the TCON bus clock\n"); return PTR_ERR(tcon->clk); } - clk_prepare_enable(tcon->clk); if (tcon->quirks->has_channel_0) { - tcon->sclk0 = devm_clk_get(dev, "tcon-ch0"); + tcon->sclk0 = devm_clk_get_enabled(dev, "tcon-ch0"); if (IS_ERR(tcon->sclk0)) { dev_err(dev, "Couldn't get the TCON channel 0 clock\n"); return PTR_ERR(tcon->sclk0); } } - clk_prepare_enable(tcon->sclk0); if (tcon->quirks->has_channel_1) { tcon->sclk1 = devm_clk_get(dev, "tcon-ch1"); @@ -780,12 +778,6 @@ static int sun4i_tcon_init_clocks(struct device *dev, return 0; } -static void sun4i_tcon_free_clocks(struct sun4i_tcon *tcon) -{ - clk_disable_unprepare(tcon->sclk0); - clk_disable_unprepare(tcon->clk); -} - static int sun4i_tcon_init_irq(struct device *dev, struct sun4i_tcon *tcon) { @@ -1202,14 +1194,14 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master, ret = sun4i_tcon_init_regmap(dev, tcon); if (ret) { dev_err(dev, "Couldn't init our TCON regmap\n"); - goto err_free_clocks; + goto err_assert_reset; } if (tcon->quirks->has_channel_0) { ret = sun4i_dclk_create(dev, tcon); if (ret) { dev_err(dev, "Couldn't create our TCON dot clock\n"); - goto err_free_clocks; + goto err_assert_reset; } } @@ -1272,8 +1264,6 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master, err_free_dotclock: if (tcon->quirks->has_channel_0) sun4i_dclk_free(tcon); -err_free_clocks: - sun4i_tcon_free_clocks(tcon); err_assert_reset: reset_control_assert(tcon->lcd_rst); return ret; @@ -1287,7 +1277,6 @@ static void sun4i_tcon_unbind(struct device *dev, struct device *master, list_del(&tcon->list); if (tcon->quirks->has_channel_0) sun4i_dclk_free(tcon); - sun4i_tcon_free_clocks(tcon); } static const struct component_ops sun4i_tcon_ops = { diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 0419b6105c8a..ccd084abc8c9 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -906,7 +906,7 @@ static int tegra_sor_compute_config(struct tegra_sor *sor, struct drm_dp_link *link) { const u64 f = 100000, link_rate = link->rate * 1000; - const u64 pclk = mode->clock * 1000; + const u64 pclk = (u64)mode->clock * 1000; u64 input, output, watermark, num; struct tegra_sor_params params; u32 num_syms_per_line; diff --git a/drivers/gpu/drm/vgem/vgem_fence.c b/drivers/gpu/drm/vgem/vgem_fence.c index 9268f6fc3f66..92895937aba9 100644 --- a/drivers/gpu/drm/vgem/vgem_fence.c +++ b/drivers/gpu/drm/vgem/vgem_fence.c @@ -249,4 +249,5 @@ void vgem_fence_close(struct vgem_file *vfile) { idr_for_each(&vfile->fence_idr, __vgem_fence_idr_fini, vfile); idr_destroy(&vfile->fence_idr); + mutex_destroy(&vfile->fence_mutex); } diff --git a/drivers/hid/hid-google-hammer.c b/drivers/hid/hid-google-hammer.c index b6947d757347..2ebad3ed4e3a 100644 --- a/drivers/hid/hid-google-hammer.c +++ b/drivers/hid/hid-google-hammer.c @@ -473,6 +473,8 @@ static const struct hid_device_id hammer_devices[] = { USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_EEL) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_HAMMER) }, + { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, + USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_JEWEL) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_MAGNEMITE) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 59cdc15ef770..6e2d414cc7a5 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -490,6 +490,7 @@ #define USB_DEVICE_ID_GOOGLE_MOONBALL 0x5044 #define USB_DEVICE_ID_GOOGLE_DON 0x5050 #define USB_DEVICE_ID_GOOGLE_EEL 0x5057 +#define USB_DEVICE_ID_GOOGLE_JEWEL 0x5061 #define USB_VENDOR_ID_GOTOP 0x08f2 #define USB_DEVICE_ID_SUPER_Q2 0x007f diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 919551ed5809..b8558292801e 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -809,8 +809,7 @@ static int hidpp_unifying_init(struct hidpp_device *hidpp) if (ret) return ret; - snprintf(hdev->uniq, sizeof(hdev->uniq), "%04x-%4phD", - hdev->product, &serial); + snprintf(hdev->uniq, sizeof(hdev->uniq), "%4phD", &serial); dbg_hid("HID++ Unifying: Got serial: %s\n", hdev->uniq); name = hidpp_unifying_get_name(hidpp); @@ -903,6 +902,54 @@ print_version: return 0; } +/* -------------------------------------------------------------------------- */ +/* 0x0003: Device Information */ +/* -------------------------------------------------------------------------- */ + +#define HIDPP_PAGE_DEVICE_INFORMATION 0x0003 + +#define CMD_GET_DEVICE_INFO 0x00 + +static int hidpp_get_serial(struct hidpp_device *hidpp, u32 *serial) +{ + struct hidpp_report response; + u8 feature_type; + u8 feature_index; + int ret; + + ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_DEVICE_INFORMATION, + &feature_index, + &feature_type); + if (ret) + return ret; + + ret = hidpp_send_fap_command_sync(hidpp, feature_index, + CMD_GET_DEVICE_INFO, + NULL, 0, &response); + if (ret) + return ret; + + /* See hidpp_unifying_get_serial() */ + *serial = *((u32 *)&response.rap.params[1]); + return 0; +} + +static int hidpp_serial_init(struct hidpp_device *hidpp) +{ + struct hid_device *hdev = hidpp->hid_dev; + u32 serial; + int ret; + + ret = hidpp_get_serial(hidpp, &serial); + if (ret) + return ret; + + snprintf(hdev->uniq, sizeof(hdev->uniq), "%4phD", &serial); + dbg_hid("HID++ DeviceInformation: Got serial: %s\n", hdev->uniq); + + return 0; +} + /* -------------------------------------------------------------------------- */ /* 0x0005: GetDeviceNameType */ /* -------------------------------------------------------------------------- */ @@ -3651,6 +3698,8 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) if (hidpp->quirks & HIDPP_QUIRK_UNIFYING) hidpp_unifying_init(hidpp); + else if (hid_is_usb(hidpp->hid_dev)) + hidpp_serial_init(hidpp); connected = hidpp_root_get_protocol_version(hidpp) == 0; atomic_set(&hidpp->connected, connected); diff --git a/drivers/hid/wacom.h b/drivers/hid/wacom.h index 203d27d198b8..3f8b24a57014 100644 --- a/drivers/hid/wacom.h +++ b/drivers/hid/wacom.h @@ -91,6 +91,7 @@ #include #include #include +#include #include /* @@ -167,6 +168,7 @@ struct wacom { struct delayed_work init_work; struct wacom_remote *remote; struct work_struct mode_change_work; + struct timer_list idleprox_timer; bool generic_has_leds; struct wacom_leds { struct wacom_group_leds *groups; @@ -239,4 +241,5 @@ struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group, struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur); int wacom_equivalent_usage(int usage); int wacom_initialize_leds(struct wacom *wacom); +void wacom_idleprox_timeout(struct timer_list *list); #endif diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index b42785fdf7ed..36cb456709ed 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -2419,8 +2419,13 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless) goto fail_quirks; } - if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) + if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) { error = hid_hw_open(hdev); + if (error) { + hid_err(hdev, "hw open failed\n"); + goto fail_quirks; + } + } wacom_set_shared_values(wacom_wac); devres_close_group(&hdev->dev, wacom); @@ -2781,6 +2786,7 @@ static int wacom_probe(struct hid_device *hdev, INIT_WORK(&wacom->battery_work, wacom_battery_work); INIT_WORK(&wacom->remote_work, wacom_remote_work); INIT_WORK(&wacom->mode_change_work, wacom_mode_change_work); + timer_setup(&wacom->idleprox_timer, &wacom_idleprox_timeout, TIMER_DEFERRABLE); /* ask for the report descriptor to be loaded by HID */ error = hid_parse(hdev); @@ -2825,6 +2831,7 @@ static void wacom_remove(struct hid_device *hdev) cancel_work_sync(&wacom->battery_work); cancel_work_sync(&wacom->remote_work); cancel_work_sync(&wacom->mode_change_work); + del_timer_sync(&wacom->idleprox_timer); if (hdev->bus == BUS_BLUETOOTH) device_remove_file(&hdev->dev, &dev_attr_speed); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index aa477a43a312..28da9b4087c3 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -11,6 +11,7 @@ #include "wacom_wac.h" #include "wacom.h" #include +#include /* resolution for penabled devices */ #define WACOM_PL_RES 20 @@ -41,6 +42,43 @@ static int wacom_numbered_button_to_key(int n); static void wacom_update_led(struct wacom *wacom, int button_count, int mask, int group); + +static void wacom_force_proxout(struct wacom_wac *wacom_wac) +{ + struct input_dev *input = wacom_wac->pen_input; + + wacom_wac->shared->stylus_in_proximity = 0; + + input_report_key(input, BTN_TOUCH, 0); + input_report_key(input, BTN_STYLUS, 0); + input_report_key(input, BTN_STYLUS2, 0); + input_report_key(input, BTN_STYLUS3, 0); + input_report_key(input, wacom_wac->tool[0], 0); + if (wacom_wac->serial[0]) { + input_report_abs(input, ABS_MISC, 0); + } + input_report_abs(input, ABS_PRESSURE, 0); + + wacom_wac->tool[0] = 0; + wacom_wac->id[0] = 0; + wacom_wac->serial[0] = 0; + + input_sync(input); +} + +void wacom_idleprox_timeout(struct timer_list *list) +{ + struct wacom *wacom = from_timer(wacom, list, idleprox_timer); + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + + if (!wacom_wac->hid_data.sense_state) { + return; + } + + hid_warn(wacom->hdev, "%s: tool appears to be hung in-prox. forcing it out.\n", __func__); + wacom_force_proxout(wacom_wac); +} + /* * Percent of battery capacity for Graphire. * 8th value means AC online and show 100% capacity. @@ -675,11 +713,14 @@ static int wacom_intuos_get_tool_type(int tool_id) case 0x802: /* Intuos4/5 13HD/24HD General Pen */ case 0x8e2: /* IntuosHT2 pen */ case 0x022: + case 0x200: /* Pro Pen 3 */ + case 0x04200: /* Pro Pen 3 */ case 0x10842: /* MobileStudio Pro Pro Pen slim */ case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */ case 0x16802: /* Cintiq 13HD Pro Pen */ case 0x18802: /* DTH2242 Pen */ case 0x10802: /* Intuos4/5 13HD/24HD General Pen */ + case 0x80842: /* Intuos Pro and Cintiq Pro 3D Pen */ tool_type = BTN_TOOL_PEN; break; @@ -790,7 +831,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom) /* Enter report */ if ((data[1] & 0xfc) == 0xc0) { /* serial number of the tool */ - wacom->serial[idx] = ((data[3] & 0x0f) << 28) + + wacom->serial[idx] = ((__u64)(data[3] & 0x0f) << 28) + (data[4] << 20) + (data[5] << 12) + (data[6] << 4) + (data[7] >> 4); @@ -1265,6 +1306,9 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) struct input_dev *pen_input = wacom->pen_input; unsigned char *data = wacom->data; + int number_of_valid_frames = 0; + ktime_t time_interval = 15000000; + ktime_t time_packet_received = ktime_get(); int i; if (wacom->features.type == INTUOSP2_BT || @@ -1285,12 +1329,30 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF; } + /* number of valid frames */ for (i = 0; i < pen_frames; i++) { unsigned char *frame = &data[i*pen_frame_len + 1]; bool valid = frame[0] & 0x80; + + if (valid) + number_of_valid_frames++; + } + + if (number_of_valid_frames) { + if (wacom->hid_data.time_delayed) + time_interval = ktime_get() - wacom->hid_data.time_delayed; + time_interval = div_u64(time_interval, number_of_valid_frames); + wacom->hid_data.time_delayed = time_packet_received; + } + + for (i = 0; i < number_of_valid_frames; i++) { + unsigned char *frame = &data[i*pen_frame_len + 1]; + bool valid = frame[0] & 0x80; bool prox = frame[0] & 0x40; bool range = frame[0] & 0x20; bool invert = frame[0] & 0x10; + int frames_number_reversed = number_of_valid_frames - i - 1; + ktime_t event_timestamp = time_packet_received - frames_number_reversed * time_interval; if (!valid) continue; @@ -1303,6 +1365,7 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) wacom->tool[0] = 0; wacom->id[0] = 0; wacom->serial[0] = 0; + wacom->hid_data.time_delayed = 0; return; } @@ -1339,6 +1402,7 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) get_unaligned_le16(&frame[11])); } } + if (wacom->tool[0]) { input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5])); if (wacom->features.type == INTUOSP2_BT || @@ -1362,6 +1426,9 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) wacom->shared->stylus_in_proximity = prox; + /* add timestamp to unpack the frames */ + input_set_timestamp(pen_input, event_timestamp); + input_sync(pen_input); } } @@ -1853,6 +1920,7 @@ static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage, int fmax = field->logical_maximum; unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); int resolution_code = code; + int resolution = hidinput_calc_abs_res(field, resolution_code); if (equivalent_usage == HID_DG_TWIST) { resolution_code = ABS_RZ; @@ -1875,8 +1943,15 @@ static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage, switch (type) { case EV_ABS: input_set_abs_params(input, code, fmin, fmax, fuzz, 0); - input_abs_set_res(input, code, - hidinput_calc_abs_res(field, resolution_code)); + + /* older tablet may miss physical usage */ + if ((code == ABS_X || code == ABS_Y) && !resolution) { + resolution = WACOM_INTUOS_RES; + hid_warn(input, + "Wacom usage (%d) missing resolution \n", + code); + } + input_abs_set_res(input, code, resolution); break; case EV_KEY: input_set_capability(input, EV_KEY, code); @@ -1893,18 +1968,7 @@ static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage, static void wacom_wac_battery_usage_mapping(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage) { - struct wacom *wacom = hid_get_drvdata(hdev); - struct wacom_wac *wacom_wac = &wacom->wacom_wac; - struct wacom_features *features = &wacom_wac->features; - unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); - - switch (equivalent_usage) { - case HID_DG_BATTERYSTRENGTH: - case WACOM_HID_WD_BATTERY_LEVEL: - case WACOM_HID_WD_BATTERY_CHARGING: - features->quirks |= WACOM_QUIRK_BATTERY; - break; - } + return; } static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field, @@ -1925,18 +1989,21 @@ static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *f wacom_wac->hid_data.bat_connected = 1; wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO; } + wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY; break; case WACOM_HID_WD_BATTERY_LEVEL: value = value * 100 / (field->logical_maximum - field->logical_minimum); wacom_wac->hid_data.battery_capacity = value; wacom_wac->hid_data.bat_connected = 1; wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO; + wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY; break; case WACOM_HID_WD_BATTERY_CHARGING: wacom_wac->hid_data.bat_charging = value; wacom_wac->hid_data.ps_connected = value; wacom_wac->hid_data.bat_connected = 1; wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO; + wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY; break; } } @@ -1952,18 +2019,15 @@ static void wacom_wac_battery_report(struct hid_device *hdev, { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_wac *wacom_wac = &wacom->wacom_wac; - struct wacom_features *features = &wacom_wac->features; - if (features->quirks & WACOM_QUIRK_BATTERY) { - int status = wacom_wac->hid_data.bat_status; - int capacity = wacom_wac->hid_data.battery_capacity; - bool charging = wacom_wac->hid_data.bat_charging; - bool connected = wacom_wac->hid_data.bat_connected; - bool powered = wacom_wac->hid_data.ps_connected; + int status = wacom_wac->hid_data.bat_status; + int capacity = wacom_wac->hid_data.battery_capacity; + bool charging = wacom_wac->hid_data.bat_charging; + bool connected = wacom_wac->hid_data.bat_connected; + bool powered = wacom_wac->hid_data.ps_connected; - wacom_notify_battery(wacom_wac, status, capacity, charging, - connected, powered); - } + wacom_notify_battery(wacom_wac, status, capacity, charging, + connected, powered); } static void wacom_wac_pad_usage_mapping(struct hid_device *hdev, @@ -2305,6 +2369,7 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field value = field->logical_maximum - value; break; case HID_DG_INRANGE: + mod_timer(&wacom->idleprox_timer, jiffies + msecs_to_jiffies(100)); wacom_wac->hid_data.inrange_state = value; if (!(features->quirks & WACOM_QUIRK_SENSE)) wacom_wac->hid_data.sense_state = value; @@ -4778,6 +4843,10 @@ static const struct wacom_features wacom_features_0x3c6 = static const struct wacom_features wacom_features_0x3c8 = { "Wacom Intuos BT M", 21600, 13500, 4095, 63, INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 }; +static const struct wacom_features wacom_features_0x3dd = + { "Wacom Intuos Pro S", 31920, 19950, 8191, 63, + INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, + .touch_max = 10 }; static const struct wacom_features wacom_features_HID_ANY_ID = { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID }; @@ -4957,6 +5026,7 @@ const struct hid_device_id wacom_ids[] = { { BT_DEVICE_WACOM(0x393) }, { BT_DEVICE_WACOM(0x3c6) }, { BT_DEVICE_WACOM(0x3c8) }, + { BT_DEVICE_WACOM(0x3dd) }, { USB_DEVICE_WACOM(0x4001) }, { USB_DEVICE_WACOM(0x4004) }, { USB_DEVICE_WACOM(0x5000) }, diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index ca172efcf072..166731292c35 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -320,6 +320,7 @@ struct hid_data { int bat_connected; int ps_connected; bool pad_input_event_flag; + ktime_t time_delayed; }; struct wacom_remote_data { diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 3adf4fae452a..3eb27f33e1fb 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -802,11 +802,22 @@ static void vmbus_wait_for_unload(void) if (completion_done(&vmbus_connection.unload_event)) goto completed; - for_each_online_cpu(cpu) { + for_each_present_cpu(cpu) { struct hv_per_cpu_context *hv_cpu = per_cpu_ptr(hv_context.cpu_context, cpu); + /* + * In a CoCo VM the synic_message_page is not allocated + * in hv_synic_alloc(). Instead it is set/cleared in + * hv_synic_enable_regs() and hv_synic_disable_regs() + * such that it is set only when the CPU is online. If + * not all present CPUs are online, the message page + * might be NULL, so skip such CPUs. + */ page_addr = hv_cpu->synic_message_page; + if (!page_addr) + continue; + msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT; @@ -840,11 +851,14 @@ completed: * maybe-pending messages on all CPUs to be able to receive new * messages after we reconnect. */ - for_each_online_cpu(cpu) { + for_each_present_cpu(cpu) { struct hv_per_cpu_context *hv_cpu = per_cpu_ptr(hv_context.cpu_context, cpu); page_addr = hv_cpu->synic_message_page; + if (!page_addr) + continue; + msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT; msg->header.message_type = HVMSG_NONE; } diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c index 2e97e56c72c7..5cdc60717006 100644 --- a/drivers/hwmon/nct7802.c +++ b/drivers/hwmon/nct7802.c @@ -708,7 +708,7 @@ static umode_t nct7802_temp_is_visible(struct kobject *kobj, if (index >= 38 && index < 46 && !(reg & 0x01)) /* PECI 0 */ return 0; - if (index >= 0x46 && (!(reg & 0x02))) /* PECI 1 */ + if (index >= 46 && !(reg & 0x02)) /* PECI 1 */ return 0; return attr->mode; diff --git a/drivers/hwtracing/coresight/coresight-byte-cntr.c b/drivers/hwtracing/coresight/coresight-byte-cntr.c index 9c500245b4e2..d85b769ea9ce 100644 --- a/drivers/hwtracing/coresight/coresight-byte-cntr.c +++ b/drivers/hwtracing/coresight/coresight-byte-cntr.c @@ -785,7 +785,7 @@ static void etr_pcie_write_work_fn(struct work_struct *work) req->snd_cmpl = 1; bytes_to_write = mhi_dev_write_channel(req); - if (bytes_to_write != PCIE_BLK_SIZE) { + if (bytes_to_write != actual) { dev_err(&tmcdrvdata->csdev->dev, "Write error %d\n", bytes_to_write); @@ -795,7 +795,7 @@ static void etr_pcie_write_work_fn(struct work_struct *work) } mutex_lock(&byte_cntr_data->byte_cntr_lock); - if (byte_cntr_data->offset + actual >= tmcdrvdata->size) + if (byte_cntr_data->offset + actual >= tmcdrvdata->sysfs_buf->size) byte_cntr_data->offset = 0; else byte_cntr_data->offset += actual; diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index 552e202e7226..d2a71501bf0d 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -951,7 +951,7 @@ tmc_etr_buf_insert_barrier_packet(struct etr_buf *etr_buf, u64 offset) len = tmc_etr_buf_get_data(etr_buf, offset, CORESIGHT_BARRIER_PKT_SIZE, &bufp); - if (WARN_ON(len < CORESIGHT_BARRIER_PKT_SIZE)) + if (WARN_ON(len < 0 || len < CORESIGHT_BARRIER_PKT_SIZE)) return -EINVAL; coresight_insert_barrier_packet(bufp); return offset + CORESIGHT_BARRIER_PKT_SIZE; @@ -1171,7 +1171,8 @@ static void __tmc_etr_disable_hw(struct tmc_drvdata *drvdata) { CS_UNLOCK(drvdata->base); - tmc_flush_and_stop(drvdata); + if (drvdata->out_mode != TMC_ETR_OUT_MODE_PCIE) + tmc_flush_and_stop(drvdata); /* * When operating in sysFS mode the content of the buffer needs to be * read before the TMC is disabled. diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index 4fac2591b661..89faef6f013b 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -206,8 +206,8 @@ static void lpi2c_imx_stop(struct lpi2c_imx_struct *lpi2c_imx) /* CLKLO = I2C_CLK_RATIO * CLKHI, SETHOLD = CLKHI, DATAVD = CLKHI/2 */ static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx) { - u8 prescale, filt, sethold, clkhi, clklo, datavd; - unsigned int clk_rate, clk_cycle; + u8 prescale, filt, sethold, datavd; + unsigned int clk_rate, clk_cycle, clkhi, clklo; enum lpi2c_imx_pincfg pincfg; unsigned int temp; diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index c36522849325..a788f2e70677 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1058,7 +1058,7 @@ omap_i2c_isr(int irq, void *dev_id) u16 stat; stat = omap_i2c_read_reg(omap, OMAP_I2C_STAT_REG); - mask = omap_i2c_read_reg(omap, OMAP_I2C_IE_REG); + mask = omap_i2c_read_reg(omap, OMAP_I2C_IE_REG) & ~OMAP_I2C_STAT_NACK; if (stat & mask) ret = IRQ_WAKE_THREAD; diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index ac3ae14a4c07..74dd378446c1 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -418,7 +418,7 @@ static void rk3x_i2c_handle_read(struct rk3x_i2c *i2c, unsigned int ipd) { unsigned int i; unsigned int len = i2c->msg->len - i2c->processed; - u32 uninitialized_var(val); + u32 val; u8 byte; /* we only care for MBRF here. */ diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c index 92ba0183fd8a..ef0dc06a3778 100644 --- a/drivers/i2c/busses/i2c-sprd.c +++ b/drivers/i2c/busses/i2c-sprd.c @@ -577,12 +577,14 @@ static int sprd_i2c_remove(struct platform_device *pdev) struct sprd_i2c *i2c_dev = platform_get_drvdata(pdev); int ret; - ret = pm_runtime_resume_and_get(i2c_dev->dev); + ret = pm_runtime_get_sync(i2c_dev->dev); if (ret < 0) - return ret; + dev_err(&pdev->dev, "Failed to resume device (%pe)\n", ERR_PTR(ret)); i2c_del_adapter(&i2c_dev->adap); - clk_disable_unprepare(i2c_dev->clk); + + if (ret >= 0) + clk_disable_unprepare(i2c_dev->clk); pm_runtime_put_noidle(i2c_dev->dev); pm_runtime_disable(i2c_dev->dev); diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index c92ea6990ec6..6bcb46cc28cd 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -353,6 +353,9 @@ static irqreturn_t xiic_process(int irq, void *dev_id) struct xiic_i2c *i2c = dev_id; u32 pend, isr, ier; u32 clr = 0; + int xfer_more = 0; + int wakeup_req = 0; + int wakeup_code = 0; /* Get the interrupt Status from the IPIF. There is no clearing of * interrupts in the IPIF. Interrupts must be cleared at the source. @@ -389,10 +392,16 @@ static irqreturn_t xiic_process(int irq, void *dev_id) */ xiic_reinit(i2c); - if (i2c->rx_msg) - xiic_wakeup(i2c, STATE_ERROR); - if (i2c->tx_msg) - xiic_wakeup(i2c, STATE_ERROR); + if (i2c->rx_msg) { + wakeup_req = 1; + wakeup_code = STATE_ERROR; + } + if (i2c->tx_msg) { + wakeup_req = 1; + wakeup_code = STATE_ERROR; + } + /* don't try to handle other events */ + goto out; } if (pend & XIIC_INTR_RX_FULL_MASK) { /* Receive register/FIFO is full */ @@ -426,8 +435,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id) i2c->tx_msg++; dev_dbg(i2c->adap.dev.parent, "%s will start next...\n", __func__); - - __xiic_start_xfer(i2c); + xfer_more = 1; } } } @@ -441,11 +449,13 @@ static irqreturn_t xiic_process(int irq, void *dev_id) if (!i2c->tx_msg) goto out; - if ((i2c->nmsgs == 1) && !i2c->rx_msg && - xiic_tx_space(i2c) == 0) - xiic_wakeup(i2c, STATE_DONE); + wakeup_req = 1; + + if (i2c->nmsgs == 1 && !i2c->rx_msg && + xiic_tx_space(i2c) == 0) + wakeup_code = STATE_DONE; else - xiic_wakeup(i2c, STATE_ERROR); + wakeup_code = STATE_ERROR; } if (pend & (XIIC_INTR_TX_EMPTY_MASK | XIIC_INTR_TX_HALF_MASK)) { /* Transmit register/FIFO is empty or ½ empty */ @@ -469,7 +479,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id) if (i2c->nmsgs > 1) { i2c->nmsgs--; i2c->tx_msg++; - __xiic_start_xfer(i2c); + xfer_more = 1; } else { xiic_irq_dis(i2c, XIIC_INTR_TX_HALF_MASK); @@ -487,6 +497,13 @@ out: dev_dbg(i2c->adap.dev.parent, "%s clr: 0x%x\n", __func__, clr); xiic_setreg32(i2c, XIIC_IISR_OFFSET, clr); + if (xfer_more) + __xiic_start_xfer(i2c); + if (wakeup_req) + xiic_wakeup(i2c, wakeup_code); + + WARN_ON(xfer_more && wakeup_req); + mutex_unlock(&i2c->lock); return IRQ_HANDLED; } diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c index 7d4e5c08f133..05e18d658141 100644 --- a/drivers/ide/ide-acpi.c +++ b/drivers/ide/ide-acpi.c @@ -180,7 +180,7 @@ err: static acpi_handle ide_acpi_hwif_get_handle(ide_hwif_t *hwif) { struct device *dev = hwif->gendev.parent; - acpi_handle uninitialized_var(dev_handle); + acpi_handle dev_handle; u64 pcidevfn; acpi_handle chan_handle; int err; diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 775fd34132ab..013ad33fbbc8 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -608,7 +608,7 @@ static int ide_delayed_transfer_pc(ide_drive_t *drive) static ide_startstop_t ide_transfer_pc(ide_drive_t *drive) { - struct ide_atapi_pc *uninitialized_var(pc); + struct ide_atapi_pc *pc; ide_hwif_t *hwif = drive->hwif; struct request *rq = hwif->rq; ide_expiry_t *expiry; diff --git a/drivers/ide/ide-io-std.c b/drivers/ide/ide-io-std.c index 18c20a7aa0ce..94bdcf1ea186 100644 --- a/drivers/ide/ide-io-std.c +++ b/drivers/ide/ide-io-std.c @@ -173,7 +173,7 @@ void ide_input_data(ide_drive_t *drive, struct ide_cmd *cmd, void *buf, u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; if (io_32bit) { - unsigned long uninitialized_var(flags); + unsigned long flags; if ((io_32bit & 2) && !mmio) { local_irq_save(flags); @@ -217,7 +217,7 @@ void ide_output_data(ide_drive_t *drive, struct ide_cmd *cmd, void *buf, u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; if (io_32bit) { - unsigned long uninitialized_var(flags); + unsigned long flags; if ((io_32bit & 2) && !mmio) { local_irq_save(flags); diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index b32a013d827a..fefe95079e95 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -614,12 +614,12 @@ static int drive_is_ready(ide_drive_t *drive) void ide_timer_expiry (struct timer_list *t) { ide_hwif_t *hwif = from_timer(hwif, t, timer); - ide_drive_t *uninitialized_var(drive); + ide_drive_t *drive; ide_handler_t *handler; unsigned long flags; int wait = -1; int plug_device = 0; - struct request *uninitialized_var(rq_in_flight); + struct request *rq_in_flight; spin_lock_irqsave(&hwif->lock, flags); @@ -772,13 +772,13 @@ irqreturn_t ide_intr (int irq, void *dev_id) { ide_hwif_t *hwif = (ide_hwif_t *)dev_id; struct ide_host *host = hwif->host; - ide_drive_t *uninitialized_var(drive); + ide_drive_t *drive; ide_handler_t *handler; unsigned long flags; ide_startstop_t startstop; irqreturn_t irq_ret = IRQ_NONE; int plug_device = 0; - struct request *uninitialized_var(rq_in_flight); + struct request *rq_in_flight; if (host->host_flags & IDE_HFLAG_SERIALIZE) { if (hwif != host->cur_port) diff --git a/drivers/ide/ide-sysfs.c b/drivers/ide/ide-sysfs.c index b9dfeb2e8bd6..c08a8a0916e2 100644 --- a/drivers/ide/ide-sysfs.c +++ b/drivers/ide/ide-sysfs.c @@ -131,7 +131,7 @@ static struct device_attribute *ide_port_attrs[] = { int ide_sysfs_register_port(ide_hwif_t *hwif) { - int i, uninitialized_var(rc); + int i, rc; for (i = 0; ide_port_attrs[i]; i++) { rc = device_create_file(hwif->portdev, ide_port_attrs[i]); diff --git a/drivers/ide/umc8672.c b/drivers/ide/umc8672.c index 870e235e30af..cf996f788292 100644 --- a/drivers/ide/umc8672.c +++ b/drivers/ide/umc8672.c @@ -108,7 +108,7 @@ static void umc_set_speeds(u8 speeds[]) static void umc_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) { ide_hwif_t *mate = hwif->mate; - unsigned long uninitialized_var(flags); + unsigned long flags; const u8 pio = drive->pio_mode - XFER_PIO_0; printk("%s: setting umc8672 to PIO mode%d (speed %d)\n", diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 7b27306330a3..1a82be03624c 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -71,7 +71,7 @@ #define MESON_SAR_ADC_REG3_PANEL_DETECT_COUNT_MASK GENMASK(20, 18) #define MESON_SAR_ADC_REG3_PANEL_DETECT_FILTER_TB_MASK GENMASK(17, 16) #define MESON_SAR_ADC_REG3_ADC_CLK_DIV_SHIFT 10 - #define MESON_SAR_ADC_REG3_ADC_CLK_DIV_WIDTH 5 + #define MESON_SAR_ADC_REG3_ADC_CLK_DIV_WIDTH 6 #define MESON_SAR_ADC_REG3_BLOCK_DLY_SEL_MASK GENMASK(9, 8) #define MESON_SAR_ADC_REG3_BLOCK_DLY_MASK GENMASK(7, 0) diff --git a/drivers/iio/adc/mxs-lradc-adc.c b/drivers/iio/adc/mxs-lradc-adc.c index 01f85bbe6a2e..e681adaedcf6 100644 --- a/drivers/iio/adc/mxs-lradc-adc.c +++ b/drivers/iio/adc/mxs-lradc-adc.c @@ -760,13 +760,13 @@ static int mxs_lradc_adc_probe(struct platform_device *pdev) ret = mxs_lradc_adc_trigger_init(iio); if (ret) - goto err_trig; + return ret; ret = iio_triggered_buffer_setup(iio, &iio_pollfunc_store_time, &mxs_lradc_adc_trigger_handler, &mxs_lradc_adc_buffer_ops); if (ret) - return ret; + goto err_trig; adc->vref_mv = mxs_lradc_adc_vref_mv[lradc->soc]; @@ -804,9 +804,9 @@ static int mxs_lradc_adc_probe(struct platform_device *pdev) err_dev: mxs_lradc_adc_hw_stop(adc); - mxs_lradc_adc_trigger_remove(iio); -err_trig: iio_triggered_buffer_cleanup(iio); +err_trig: + mxs_lradc_adc_trigger_remove(iio); return ret; } @@ -817,8 +817,8 @@ static int mxs_lradc_adc_remove(struct platform_device *pdev) iio_device_unregister(iio); mxs_lradc_adc_hw_stop(adc); - mxs_lradc_adc_trigger_remove(iio); iio_triggered_buffer_cleanup(iio); + mxs_lradc_adc_trigger_remove(iio); return 0; } diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index 2bd785e9e42a..4861093b0764 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -630,7 +630,7 @@ out: static int palmas_gpadc_remove(struct platform_device *pdev) { - struct iio_dev *indio_dev = dev_to_iio_dev(&pdev->dev); + struct iio_dev *indio_dev = dev_get_drvdata(&pdev->dev); struct palmas_gpadc *adc = iio_priv(indio_dev); if (adc->wakeup1_enable || adc->wakeup2_enable) diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c index b4f394f05863..44553eccb30d 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c @@ -99,7 +99,7 @@ int cros_ec_sensors_core_init(struct platform_device *pdev, platform_set_drvdata(pdev, indio_dev); state->ec = ec->ec_dev; - state->msg = devm_kzalloc(&pdev->dev, + state->msg = devm_kzalloc(&pdev->dev, sizeof(*state->msg) + max((u16)sizeof(struct ec_params_motion_sense), state->ec->max_response), GFP_KERNEL); if (!state->msg) diff --git a/drivers/iio/dac/Makefile b/drivers/iio/dac/Makefile index 1369fa1d2f0e..cd5c30d03d48 100644 --- a/drivers/iio/dac/Makefile +++ b/drivers/iio/dac/Makefile @@ -16,7 +16,7 @@ obj-$(CONFIG_AD5592R_BASE) += ad5592r-base.o obj-$(CONFIG_AD5592R) += ad5592r.o obj-$(CONFIG_AD5593R) += ad5593r.o obj-$(CONFIG_AD5755) += ad5755.o -obj-$(CONFIG_AD5755) += ad5758.o +obj-$(CONFIG_AD5758) += ad5758.o obj-$(CONFIG_AD5761) += ad5761.o obj-$(CONFIG_AD5764) += ad5764.o obj-$(CONFIG_AD5791) += ad5791.o diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index ed455e801e80..4ed7e90d37f9 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -47,12 +47,18 @@ static int __maybe_unused mcp4725_suspend(struct device *dev) struct mcp4725_data *data = iio_priv(i2c_get_clientdata( to_i2c_client(dev))); u8 outbuf[2]; + int ret; outbuf[0] = (data->powerdown_mode + 1) << 4; outbuf[1] = 0; data->powerdown = true; - return i2c_master_send(data->client, outbuf, 2); + ret = i2c_master_send(data->client, outbuf, 2); + if (ret < 0) + return ret; + else if (ret != 2) + return -EIO; + return 0; } static int __maybe_unused mcp4725_resume(struct device *dev) @@ -60,13 +66,19 @@ static int __maybe_unused mcp4725_resume(struct device *dev) struct mcp4725_data *data = iio_priv(i2c_get_clientdata( to_i2c_client(dev))); u8 outbuf[2]; + int ret; /* restore previous DAC value */ outbuf[0] = (data->dac_value >> 8) & 0xf; outbuf[1] = data->dac_value & 0xff; data->powerdown = false; - return i2c_master_send(data->client, outbuf, 2); + ret = i2c_master_send(data->client, outbuf, 2); + if (ret < 0) + return ret; + else if (ret != 2) + return -EIO; + return 0; } static SIMPLE_DEV_PM_OPS(mcp4725_pm_ops, mcp4725_suspend, mcp4725_resume); diff --git a/drivers/iio/light/max44009.c b/drivers/iio/light/max44009.c index 00ba15499638..5103b1061a77 100644 --- a/drivers/iio/light/max44009.c +++ b/drivers/iio/light/max44009.c @@ -529,6 +529,12 @@ static int max44009_probe(struct i2c_client *client, return devm_iio_device_register(&client->dev, indio_dev); } +static const struct of_device_id max44009_of_match[] = { + { .compatible = "maxim,max44009" }, + { } +}; +MODULE_DEVICE_TABLE(of, max44009_of_match); + static const struct i2c_device_id max44009_id[] = { { "max44009", 0 }, { } @@ -538,18 +544,13 @@ MODULE_DEVICE_TABLE(i2c, max44009_id); static struct i2c_driver max44009_driver = { .driver = { .name = MAX44009_DRV_NAME, + .of_match_table = max44009_of_match, }, .probe = max44009_probe, .id_table = max44009_id, }; module_i2c_driver(max44009_driver); -static const struct of_device_id max44009_of_match[] = { - { .compatible = "maxim,max44009" }, - { } -}; -MODULE_DEVICE_TABLE(of, max44009_of_match); - MODULE_AUTHOR("Robert Eshleman "); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("MAX44009 ambient light sensor driver"); diff --git a/drivers/iio/light/vcnl4035.c b/drivers/iio/light/vcnl4035.c index 234623ab3817..6c83f9e54e2e 100644 --- a/drivers/iio/light/vcnl4035.c +++ b/drivers/iio/light/vcnl4035.c @@ -8,6 +8,7 @@ * TODO: Proximity */ #include +#include #include #include #include @@ -42,6 +43,7 @@ #define VCNL4035_ALS_PERS_MASK GENMASK(3, 2) #define VCNL4035_INT_ALS_IF_H_MASK BIT(12) #define VCNL4035_INT_ALS_IF_L_MASK BIT(13) +#define VCNL4035_DEV_ID_MASK GENMASK(7, 0) /* Default values */ #define VCNL4035_MODE_ALS_ENABLE BIT(0) @@ -415,6 +417,7 @@ static int vcnl4035_init(struct vcnl4035_data *data) return ret; } + id = FIELD_GET(VCNL4035_DEV_ID_MASK, id); if (id != VCNL4035_DEV_ID_VAL) { dev_err(&data->client->dev, "Wrong id, got %x, expected %x\n", id, VCNL4035_DEV_ID_VAL); diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index ad3a092b8b5c..390123f87658 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -131,6 +131,11 @@ struct ib_umad_packet { struct ib_user_mad mad; }; +struct ib_rmpp_mad_hdr { + struct ib_mad_hdr mad_hdr; + struct ib_rmpp_hdr rmpp_hdr; +} __packed; + #define CREATE_TRACE_POINTS #include @@ -494,11 +499,11 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf, size_t count, loff_t *pos) { struct ib_umad_file *file = filp->private_data; + struct ib_rmpp_mad_hdr *rmpp_mad_hdr; struct ib_umad_packet *packet; struct ib_mad_agent *agent; struct rdma_ah_attr ah_attr; struct ib_ah *ah; - struct ib_rmpp_mad *rmpp_mad; __be64 *tid; int ret, data_len, hdr_len, copy_offset, rmpp_active; u8 base_version; @@ -506,7 +511,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf, if (count < hdr_size(file) + IB_MGMT_RMPP_HDR) return -EINVAL; - packet = kzalloc(sizeof *packet + IB_MGMT_RMPP_HDR, GFP_KERNEL); + packet = kzalloc(sizeof(*packet) + IB_MGMT_RMPP_HDR, GFP_KERNEL); if (!packet) return -ENOMEM; @@ -560,13 +565,13 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf, goto err_up; } - rmpp_mad = (struct ib_rmpp_mad *) packet->mad.data; - hdr_len = ib_get_mad_data_offset(rmpp_mad->mad_hdr.mgmt_class); + rmpp_mad_hdr = (struct ib_rmpp_mad_hdr *)packet->mad.data; + hdr_len = ib_get_mad_data_offset(rmpp_mad_hdr->mad_hdr.mgmt_class); - if (ib_is_mad_class_rmpp(rmpp_mad->mad_hdr.mgmt_class) + if (ib_is_mad_class_rmpp(rmpp_mad_hdr->mad_hdr.mgmt_class) && ib_mad_kernel_rmpp_agent(agent)) { copy_offset = IB_MGMT_RMPP_HDR; - rmpp_active = ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) & + rmpp_active = ib_get_rmpp_flags(&rmpp_mad_hdr->rmpp_hdr) & IB_MGMT_RMPP_FLAG_ACTIVE; } else { copy_offset = IB_MGMT_MAD_HDR; @@ -615,12 +620,12 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf, tid = &((struct ib_mad_hdr *) packet->msg->mad)->tid; *tid = cpu_to_be64(((u64) agent->hi_tid) << 32 | (be64_to_cpup(tid) & 0xffffffff)); - rmpp_mad->mad_hdr.tid = *tid; + rmpp_mad_hdr->mad_hdr.tid = *tid; } if (!ib_mad_kernel_rmpp_agent(agent) - && ib_is_mad_class_rmpp(rmpp_mad->mad_hdr.mgmt_class) - && (ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) & IB_MGMT_RMPP_FLAG_ACTIVE)) { + && ib_is_mad_class_rmpp(rmpp_mad_hdr->mad_hdr.mgmt_class) + && (ib_get_rmpp_flags(&rmpp_mad_hdr->rmpp_hdr) & IB_MGMT_RMPP_FLAG_ACTIVE)) { spin_lock_irq(&file->send_lock); list_add_tail(&packet->list, &file->send_list); spin_unlock_irq(&file->send_lock); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 39cbb853f913..80c76b62b12b 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1557,7 +1557,7 @@ static int ib_uverbs_open_qp(struct uverbs_attr_bundle *attrs) struct ib_uverbs_create_qp_resp resp; struct ib_uqp_object *obj; struct ib_xrcd *xrcd; - struct ib_uobject *uninitialized_var(xrcd_uobj); + struct ib_uobject *xrcd_uobj; struct ib_qp *qp; struct ib_qp_open_attr attr; int ret; @@ -1863,8 +1863,13 @@ static int modify_qp(struct uverbs_attr_bundle *attrs, attr->path_mtu = cmd->base.path_mtu; if (cmd->base.attr_mask & IB_QP_PATH_MIG_STATE) attr->path_mig_state = cmd->base.path_mig_state; - if (cmd->base.attr_mask & IB_QP_QKEY) + if (cmd->base.attr_mask & IB_QP_QKEY) { + if (cmd->base.qkey & IB_QP_SET_QKEY && !capable(CAP_NET_RAW)) { + ret = -EPERM; + goto release_qp; + } attr->qkey = cmd->base.qkey; + } if (cmd->base.attr_mask & IB_QP_RQ_PSN) attr->rq_psn = cmd->base.rq_psn; if (cmd->base.attr_mask & IB_QP_SQ_PSN) @@ -3378,7 +3383,7 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, struct ib_usrq_object *obj; struct ib_pd *pd; struct ib_srq *srq; - struct ib_uobject *uninitialized_var(xrcd_uobj); + struct ib_uobject *xrcd_uobj; struct ib_srq_init_attr attr; int ret; struct ib_device *ib_dev; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index adb08c3fc085..e5fd43162b76 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -230,8 +230,12 @@ static ssize_t ib_uverbs_event_read(struct ib_uverbs_event_queue *ev_queue, spin_lock_irq(&ev_queue->lock); while (list_empty(&ev_queue->event_list)) { - spin_unlock_irq(&ev_queue->lock); + if (ev_queue->is_closed) { + spin_unlock_irq(&ev_queue->lock); + return -EIO; + } + spin_unlock_irq(&ev_queue->lock); if (filp->f_flags & O_NONBLOCK) return -EAGAIN; @@ -241,12 +245,6 @@ static ssize_t ib_uverbs_event_read(struct ib_uverbs_event_queue *ev_queue, return -ERESTARTSYS; spin_lock_irq(&ev_queue->lock); - - /* If device was disassociated and no event exists set an error */ - if (list_empty(&ev_queue->event_list) && ev_queue->is_closed) { - spin_unlock_irq(&ev_queue->lock); - return -EIO; - } } event = list_entry(ev_queue->event_list.next, struct ib_uverbs_event, list); diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index e55a1666c0cd..c2805384e832 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -104,10 +104,19 @@ struct bnxt_re_sqp_entries { struct bnxt_re_qp *qp1_qp; }; +#define BNXT_RE_MAX_GSI_SQP_ENTRIES 1024 +struct bnxt_re_gsi_context { + struct bnxt_re_qp *gsi_qp; + struct bnxt_re_qp *gsi_sqp; + struct bnxt_re_ah *gsi_sah; + struct bnxt_re_sqp_entries *sqp_tbl; +}; + #define BNXT_RE_MIN_MSIX 2 #define BNXT_RE_MAX_MSIX 9 #define BNXT_RE_AEQ_IDX 0 #define BNXT_RE_NQ_IDX 1 +#define BNXT_RE_GEN_P5_MAX_VF 64 struct bnxt_re_dev { struct ib_device ibdev; @@ -164,10 +173,7 @@ struct bnxt_re_dev { u16 cosq[2]; /* QP for for handling QP1 packets */ - u32 sqp_id; - struct bnxt_re_qp *qp1_sqp; - struct bnxt_re_ah *sqp_ah; - struct bnxt_re_sqp_entries sqp_tbl[1024]; + struct bnxt_re_gsi_context gsi_ctx; atomic_t nq_alloc_cnt; u32 is_virtfn; u32 num_vfs; diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index dd006b177b54..183f1c3c1f5e 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -330,7 +330,7 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context) */ if (ctx->idx == 0 && rdma_link_local_addr((struct in6_addr *)gid_to_del) && - ctx->refcnt == 1 && rdev->qp1_sqp) { + ctx->refcnt == 1 && rdev->gsi_ctx.gsi_sqp) { dev_dbg(rdev_to_dev(rdev), "Trying to delete GID0 while QP1 is alive\n"); return -EFAULT; @@ -760,6 +760,49 @@ void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, spin_unlock_irqrestore(&qp->scq->cq_lock, flags); } +static int bnxt_re_destroy_gsi_sqp(struct bnxt_re_qp *qp) +{ + struct bnxt_re_qp *gsi_sqp; + struct bnxt_re_ah *gsi_sah; + struct bnxt_re_dev *rdev; + int rc = 0; + + rdev = qp->rdev; + gsi_sqp = rdev->gsi_ctx.gsi_sqp; + gsi_sah = rdev->gsi_ctx.gsi_sah; + + dev_dbg(rdev_to_dev(rdev), "Destroy the shadow AH\n"); + bnxt_qplib_destroy_ah(&rdev->qplib_res, + &gsi_sah->qplib_ah, + true); + bnxt_qplib_clean_qp(&qp->qplib_qp); + + dev_dbg(rdev_to_dev(rdev), "Destroy the shadow QP\n"); + rc = bnxt_qplib_destroy_qp(&rdev->qplib_res, &gsi_sqp->qplib_qp); + if (rc) { + dev_err(rdev_to_dev(rdev), "Destroy Shadow QP failed"); + goto fail; + } + bnxt_qplib_free_qp_res(&rdev->qplib_res, &gsi_sqp->qplib_qp); + + /* remove from active qp list */ + mutex_lock(&rdev->qp_lock); + list_del(&gsi_sqp->list); + mutex_unlock(&rdev->qp_lock); + atomic_dec(&rdev->qp_count); + + kfree(rdev->gsi_ctx.sqp_tbl); + kfree(gsi_sah); + kfree(gsi_sqp); + rdev->gsi_ctx.gsi_sqp = NULL; + rdev->gsi_ctx.gsi_sah = NULL; + rdev->gsi_ctx.sqp_tbl = NULL; + + return 0; +fail: + return rc; +} + /* Queue Pairs */ int bnxt_re_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata) { @@ -769,6 +812,7 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata) int rc; bnxt_qplib_flush_cqn_wq(&qp->qplib_qp); + rc = bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp); if (rc) { dev_err(rdev_to_dev(rdev), "Failed to destroy HW QP"); @@ -783,40 +827,24 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata) bnxt_qplib_free_qp_res(&rdev->qplib_res, &qp->qplib_qp); - if (ib_qp->qp_type == IB_QPT_GSI && rdev->qp1_sqp) { - bnxt_qplib_destroy_ah(&rdev->qplib_res, &rdev->sqp_ah->qplib_ah, - false); - - bnxt_qplib_clean_qp(&qp->qplib_qp); - rc = bnxt_qplib_destroy_qp(&rdev->qplib_res, - &rdev->qp1_sqp->qplib_qp); - if (rc) { - dev_err(rdev_to_dev(rdev), - "Failed to destroy Shadow QP"); - return rc; - } - bnxt_qplib_free_qp_res(&rdev->qplib_res, - &rdev->qp1_sqp->qplib_qp); - mutex_lock(&rdev->qp_lock); - list_del(&rdev->qp1_sqp->list); - atomic_dec(&rdev->qp_count); - mutex_unlock(&rdev->qp_lock); - - kfree(rdev->sqp_ah); - kfree(rdev->qp1_sqp); - rdev->qp1_sqp = NULL; - rdev->sqp_ah = NULL; + if (ib_qp->qp_type == IB_QPT_GSI && rdev->gsi_ctx.gsi_sqp) { + rc = bnxt_re_destroy_gsi_sqp(qp); + if (rc) + goto sh_fail; } + mutex_lock(&rdev->qp_lock); + list_del(&qp->list); + mutex_unlock(&rdev->qp_lock); + atomic_dec(&rdev->qp_count); + ib_umem_release(qp->rumem); ib_umem_release(qp->sumem); - mutex_lock(&rdev->qp_lock); - list_del(&qp->list); - atomic_dec(&rdev->qp_count); - mutex_unlock(&rdev->qp_lock); kfree(qp); return 0; +sh_fail: + return rc; } static u8 __from_ib_qp_type(enum ib_qp_type type) @@ -984,8 +1012,6 @@ static struct bnxt_re_qp *bnxt_re_create_shadow_qp if (rc) goto fail; - rdev->sqp_id = qp->qplib_qp.id; - spin_lock_init(&qp->sq_lock); INIT_LIST_HEAD(&qp->list); mutex_lock(&rdev->qp_lock); @@ -998,6 +1024,313 @@ fail: return NULL; } +static int bnxt_re_init_rq_attr(struct bnxt_re_qp *qp, + struct ib_qp_init_attr *init_attr) +{ + struct bnxt_qplib_dev_attr *dev_attr; + struct bnxt_qplib_qp *qplqp; + struct bnxt_re_dev *rdev; + int entries; + + rdev = qp->rdev; + qplqp = &qp->qplib_qp; + dev_attr = &rdev->dev_attr; + + if (init_attr->srq) { + struct bnxt_re_srq *srq; + + srq = container_of(init_attr->srq, struct bnxt_re_srq, ib_srq); + if (!srq) { + dev_err(rdev_to_dev(rdev), "SRQ not found"); + return -EINVAL; + } + qplqp->srq = &srq->qplib_srq; + qplqp->rq.max_wqe = 0; + } else { + /* Allocate 1 more than what's provided so posting max doesn't + * mean empty. + */ + entries = roundup_pow_of_two(init_attr->cap.max_recv_wr + 1); + qplqp->rq.max_wqe = min_t(u32, entries, + dev_attr->max_qp_wqes + 1); + + qplqp->rq.q_full_delta = qplqp->rq.max_wqe - + init_attr->cap.max_recv_wr; + qplqp->rq.max_sge = init_attr->cap.max_recv_sge; + if (qplqp->rq.max_sge > dev_attr->max_qp_sges) + qplqp->rq.max_sge = dev_attr->max_qp_sges; + } + + return 0; +} + +static void bnxt_re_adjust_gsi_rq_attr(struct bnxt_re_qp *qp) +{ + struct bnxt_qplib_dev_attr *dev_attr; + struct bnxt_qplib_qp *qplqp; + struct bnxt_re_dev *rdev; + + rdev = qp->rdev; + qplqp = &qp->qplib_qp; + dev_attr = &rdev->dev_attr; + + qplqp->rq.max_sge = dev_attr->max_qp_sges; + if (qplqp->rq.max_sge > dev_attr->max_qp_sges) + qplqp->rq.max_sge = dev_attr->max_qp_sges; +} + +static void bnxt_re_init_sq_attr(struct bnxt_re_qp *qp, + struct ib_qp_init_attr *init_attr, + struct ib_udata *udata) +{ + struct bnxt_qplib_dev_attr *dev_attr; + struct bnxt_qplib_qp *qplqp; + struct bnxt_re_dev *rdev; + int entries; + + rdev = qp->rdev; + qplqp = &qp->qplib_qp; + dev_attr = &rdev->dev_attr; + + qplqp->sq.max_sge = init_attr->cap.max_send_sge; + if (qplqp->sq.max_sge > dev_attr->max_qp_sges) + qplqp->sq.max_sge = dev_attr->max_qp_sges; + /* + * Change the SQ depth if user has requested minimum using + * configfs. Only supported for kernel consumers + */ + entries = init_attr->cap.max_send_wr; + /* Allocate 128 + 1 more than what's provided */ + entries = roundup_pow_of_two(entries + BNXT_QPLIB_RESERVED_QP_WRS + 1); + qplqp->sq.max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + + BNXT_QPLIB_RESERVED_QP_WRS + 1); + qplqp->sq.q_full_delta = BNXT_QPLIB_RESERVED_QP_WRS + 1; + /* + * Reserving one slot for Phantom WQE. Application can + * post one extra entry in this case. But allowing this to avoid + * unexpected Queue full condition + */ + qplqp->sq.q_full_delta -= 1; +} + +static void bnxt_re_adjust_gsi_sq_attr(struct bnxt_re_qp *qp, + struct ib_qp_init_attr *init_attr) +{ + struct bnxt_qplib_dev_attr *dev_attr; + struct bnxt_qplib_qp *qplqp; + struct bnxt_re_dev *rdev; + int entries; + + rdev = qp->rdev; + qplqp = &qp->qplib_qp; + dev_attr = &rdev->dev_attr; + + entries = roundup_pow_of_two(init_attr->cap.max_send_wr + 1); + qplqp->sq.max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + 1); + qplqp->sq.q_full_delta = qplqp->sq.max_wqe - + init_attr->cap.max_send_wr; + qplqp->sq.max_sge++; /* Need one extra sge to put UD header */ + if (qplqp->sq.max_sge > dev_attr->max_qp_sges) + qplqp->sq.max_sge = dev_attr->max_qp_sges; +} + +static int bnxt_re_init_qp_type(struct bnxt_re_dev *rdev, + struct ib_qp_init_attr *init_attr) +{ + struct bnxt_qplib_chip_ctx *chip_ctx; + int qptype; + + chip_ctx = &rdev->chip_ctx; + + qptype = __from_ib_qp_type(init_attr->qp_type); + if (qptype == IB_QPT_MAX) { + dev_err(rdev_to_dev(rdev), "QP type 0x%x not supported", + qptype); + qptype = -EINVAL; + goto out; + } + + if (bnxt_qplib_is_chip_gen_p5(chip_ctx) && + init_attr->qp_type == IB_QPT_GSI) + qptype = CMDQ_CREATE_QP_TYPE_GSI; +out: + return qptype; +} + +static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd, + struct ib_qp_init_attr *init_attr, + struct ib_udata *udata) +{ + struct bnxt_qplib_dev_attr *dev_attr; + struct bnxt_qplib_qp *qplqp; + struct bnxt_re_dev *rdev; + struct bnxt_re_cq *cq; + int rc = 0, qptype; + + rdev = qp->rdev; + qplqp = &qp->qplib_qp; + dev_attr = &rdev->dev_attr; + + /* Setup misc params */ + ether_addr_copy(qplqp->smac, rdev->netdev->dev_addr); + qplqp->pd = &pd->qplib_pd; + qplqp->qp_handle = (u64)qplqp; + qplqp->max_inline_data = init_attr->cap.max_inline_data; + qplqp->sig_type = ((init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) ? + true : false); + qptype = bnxt_re_init_qp_type(rdev, init_attr); + if (qptype < 0) { + rc = qptype; + goto out; + } + qplqp->type = (u8)qptype; + + if (init_attr->qp_type == IB_QPT_RC) { + qplqp->max_rd_atomic = dev_attr->max_qp_rd_atom; + qplqp->max_dest_rd_atomic = dev_attr->max_qp_init_rd_atom; + } + qplqp->mtu = ib_mtu_enum_to_int(iboe_get_mtu(rdev->netdev->mtu)); + qplqp->dpi = &rdev->dpi_privileged; /* Doorbell page */ + if (init_attr->create_flags) + dev_dbg(rdev_to_dev(rdev), + "QP create flags 0x%x not supported", + init_attr->create_flags); + + /* Setup CQs */ + if (init_attr->send_cq) { + cq = container_of(init_attr->send_cq, struct bnxt_re_cq, ib_cq); + if (!cq) { + dev_err(rdev_to_dev(rdev), "Send CQ not found"); + rc = -EINVAL; + goto out; + } + qplqp->scq = &cq->qplib_cq; + qp->scq = cq; + } + + if (init_attr->recv_cq) { + cq = container_of(init_attr->recv_cq, struct bnxt_re_cq, ib_cq); + if (!cq) { + dev_err(rdev_to_dev(rdev), "Receive CQ not found"); + rc = -EINVAL; + goto out; + } + qplqp->rcq = &cq->qplib_cq; + qp->rcq = cq; + } + + /* Setup RQ/SRQ */ + rc = bnxt_re_init_rq_attr(qp, init_attr); + if (rc) + goto out; + if (init_attr->qp_type == IB_QPT_GSI) + bnxt_re_adjust_gsi_rq_attr(qp); + + /* Setup SQ */ + bnxt_re_init_sq_attr(qp, init_attr, udata); + if (init_attr->qp_type == IB_QPT_GSI) + bnxt_re_adjust_gsi_sq_attr(qp, init_attr); + + if (udata) /* This will update DPI and qp_handle */ + rc = bnxt_re_init_user_qp(rdev, pd, qp, udata); +out: + return rc; +} + +static int bnxt_re_create_shadow_gsi(struct bnxt_re_qp *qp, + struct bnxt_re_pd *pd) +{ + struct bnxt_re_sqp_entries *sqp_tbl = NULL; + struct bnxt_re_dev *rdev; + struct bnxt_re_qp *sqp; + struct bnxt_re_ah *sah; + int rc = 0; + + rdev = qp->rdev; + /* Create a shadow QP to handle the QP1 traffic */ + sqp_tbl = kzalloc(sizeof(*sqp_tbl) * BNXT_RE_MAX_GSI_SQP_ENTRIES, + GFP_KERNEL); + if (!sqp_tbl) + return -ENOMEM; + rdev->gsi_ctx.sqp_tbl = sqp_tbl; + + sqp = bnxt_re_create_shadow_qp(pd, &rdev->qplib_res, &qp->qplib_qp); + if (!sqp) { + rc = -ENODEV; + dev_err(rdev_to_dev(rdev), + "Failed to create Shadow QP for QP1"); + goto out; + } + rdev->gsi_ctx.gsi_sqp = sqp; + + sqp->rcq = qp->rcq; + sqp->scq = qp->scq; + sah = bnxt_re_create_shadow_qp_ah(pd, &rdev->qplib_res, + &qp->qplib_qp); + if (!sah) { + bnxt_qplib_destroy_qp(&rdev->qplib_res, + &sqp->qplib_qp); + rc = -ENODEV; + dev_err(rdev_to_dev(rdev), + "Failed to create AH entry for ShadowQP"); + goto out; + } + rdev->gsi_ctx.gsi_sah = sah; + + return 0; +out: + kfree(sqp_tbl); + return rc; +} + +static int bnxt_re_create_gsi_qp(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd, + struct ib_qp_init_attr *init_attr) +{ + struct bnxt_re_dev *rdev; + struct bnxt_qplib_qp *qplqp; + int rc = 0; + + rdev = qp->rdev; + qplqp = &qp->qplib_qp; + + qplqp->rq_hdr_buf_size = BNXT_QPLIB_MAX_QP1_RQ_HDR_SIZE_V2; + qplqp->sq_hdr_buf_size = BNXT_QPLIB_MAX_QP1_SQ_HDR_SIZE_V2; + + rc = bnxt_qplib_create_qp1(&rdev->qplib_res, qplqp); + if (rc) { + dev_err(rdev_to_dev(rdev), "create HW QP1 failed!"); + goto out; + } + + rc = bnxt_re_create_shadow_gsi(qp, pd); +out: + return rc; +} + +static bool bnxt_re_test_qp_limits(struct bnxt_re_dev *rdev, + struct ib_qp_init_attr *init_attr, + struct bnxt_qplib_dev_attr *dev_attr) +{ + bool rc = true; + + if (init_attr->cap.max_send_wr > dev_attr->max_qp_wqes || + init_attr->cap.max_recv_wr > dev_attr->max_qp_wqes || + init_attr->cap.max_send_sge > dev_attr->max_qp_sges || + init_attr->cap.max_recv_sge > dev_attr->max_qp_sges || + init_attr->cap.max_inline_data > dev_attr->max_inline_data) { + dev_err(rdev_to_dev(rdev), + "Create QP failed - max exceeded! 0x%x/0x%x 0x%x/0x%x 0x%x/0x%x 0x%x/0x%x 0x%x/0x%x", + init_attr->cap.max_send_wr, dev_attr->max_qp_wqes, + init_attr->cap.max_recv_wr, dev_attr->max_qp_wqes, + init_attr->cap.max_send_sge, dev_attr->max_qp_sges, + init_attr->cap.max_recv_sge, dev_attr->max_qp_sges, + init_attr->cap.max_inline_data, + dev_attr->max_inline_data); + rc = false; + } + return rc; +} + struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, struct ib_qp_init_attr *qp_init_attr, struct ib_udata *udata) @@ -1006,197 +1339,60 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, struct bnxt_re_dev *rdev = pd->rdev; struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr; struct bnxt_re_qp *qp; - struct bnxt_re_cq *cq; - struct bnxt_re_srq *srq; - int rc, entries; + int rc; - if ((qp_init_attr->cap.max_send_wr > dev_attr->max_qp_wqes) || - (qp_init_attr->cap.max_recv_wr > dev_attr->max_qp_wqes) || - (qp_init_attr->cap.max_send_sge > dev_attr->max_qp_sges) || - (qp_init_attr->cap.max_recv_sge > dev_attr->max_qp_sges) || - (qp_init_attr->cap.max_inline_data > dev_attr->max_inline_data)) - return ERR_PTR(-EINVAL); + rc = bnxt_re_test_qp_limits(rdev, qp_init_attr, dev_attr); + if (!rc) { + rc = -EINVAL; + goto exit; + } qp = kzalloc(sizeof(*qp), GFP_KERNEL); - if (!qp) - return ERR_PTR(-ENOMEM); - + if (!qp) { + rc = -ENOMEM; + goto exit; + } qp->rdev = rdev; - ether_addr_copy(qp->qplib_qp.smac, rdev->netdev->dev_addr); - qp->qplib_qp.pd = &pd->qplib_pd; - qp->qplib_qp.qp_handle = (u64)(unsigned long)(&qp->qplib_qp); - qp->qplib_qp.type = __from_ib_qp_type(qp_init_attr->qp_type); - - if (qp_init_attr->qp_type == IB_QPT_GSI && - bnxt_qplib_is_chip_gen_p5(&rdev->chip_ctx)) - qp->qplib_qp.type = CMDQ_CREATE_QP_TYPE_GSI; - if (qp->qplib_qp.type == IB_QPT_MAX) { - dev_err(rdev_to_dev(rdev), "QP type 0x%x not supported", - qp->qplib_qp.type); - rc = -EINVAL; + rc = bnxt_re_init_qp_attr(qp, pd, qp_init_attr, udata); + if (rc) goto fail; - } - - qp->qplib_qp.max_inline_data = qp_init_attr->cap.max_inline_data; - qp->qplib_qp.sig_type = ((qp_init_attr->sq_sig_type == - IB_SIGNAL_ALL_WR) ? true : false); - - qp->qplib_qp.sq.max_sge = qp_init_attr->cap.max_send_sge; - if (qp->qplib_qp.sq.max_sge > dev_attr->max_qp_sges) - qp->qplib_qp.sq.max_sge = dev_attr->max_qp_sges; - - if (qp_init_attr->send_cq) { - cq = container_of(qp_init_attr->send_cq, struct bnxt_re_cq, - ib_cq); - if (!cq) { - dev_err(rdev_to_dev(rdev), "Send CQ not found"); - rc = -EINVAL; - goto fail; - } - qp->qplib_qp.scq = &cq->qplib_cq; - qp->scq = cq; - } - - if (qp_init_attr->recv_cq) { - cq = container_of(qp_init_attr->recv_cq, struct bnxt_re_cq, - ib_cq); - if (!cq) { - dev_err(rdev_to_dev(rdev), "Receive CQ not found"); - rc = -EINVAL; - goto fail; - } - qp->qplib_qp.rcq = &cq->qplib_cq; - qp->rcq = cq; - } - - if (qp_init_attr->srq) { - srq = container_of(qp_init_attr->srq, struct bnxt_re_srq, - ib_srq); - if (!srq) { - dev_err(rdev_to_dev(rdev), "SRQ not found"); - rc = -EINVAL; - goto fail; - } - qp->qplib_qp.srq = &srq->qplib_srq; - qp->qplib_qp.rq.max_wqe = 0; - } else { - /* Allocate 1 more than what's provided so posting max doesn't - * mean empty - */ - entries = roundup_pow_of_two(qp_init_attr->cap.max_recv_wr + 1); - qp->qplib_qp.rq.max_wqe = min_t(u32, entries, - dev_attr->max_qp_wqes + 1); - - qp->qplib_qp.rq.q_full_delta = qp->qplib_qp.rq.max_wqe - - qp_init_attr->cap.max_recv_wr; - - qp->qplib_qp.rq.max_sge = qp_init_attr->cap.max_recv_sge; - if (qp->qplib_qp.rq.max_sge > dev_attr->max_qp_sges) - qp->qplib_qp.rq.max_sge = dev_attr->max_qp_sges; - } - - qp->qplib_qp.mtu = ib_mtu_enum_to_int(iboe_get_mtu(rdev->netdev->mtu)); if (qp_init_attr->qp_type == IB_QPT_GSI && !(bnxt_qplib_is_chip_gen_p5(&rdev->chip_ctx))) { - /* Allocate 1 more than what's provided */ - entries = roundup_pow_of_two(qp_init_attr->cap.max_send_wr + 1); - qp->qplib_qp.sq.max_wqe = min_t(u32, entries, - dev_attr->max_qp_wqes + 1); - qp->qplib_qp.sq.q_full_delta = qp->qplib_qp.sq.max_wqe - - qp_init_attr->cap.max_send_wr; - qp->qplib_qp.rq.max_sge = dev_attr->max_qp_sges; - if (qp->qplib_qp.rq.max_sge > dev_attr->max_qp_sges) - qp->qplib_qp.rq.max_sge = dev_attr->max_qp_sges; - qp->qplib_qp.sq.max_sge++; - if (qp->qplib_qp.sq.max_sge > dev_attr->max_qp_sges) - qp->qplib_qp.sq.max_sge = dev_attr->max_qp_sges; - - qp->qplib_qp.rq_hdr_buf_size = - BNXT_QPLIB_MAX_QP1_RQ_HDR_SIZE_V2; - - qp->qplib_qp.sq_hdr_buf_size = - BNXT_QPLIB_MAX_QP1_SQ_HDR_SIZE_V2; - qp->qplib_qp.dpi = &rdev->dpi_privileged; - rc = bnxt_qplib_create_qp1(&rdev->qplib_res, &qp->qplib_qp); - if (rc) { - dev_err(rdev_to_dev(rdev), "Failed to create HW QP1"); + rc = bnxt_re_create_gsi_qp(qp, pd, qp_init_attr); + if (rc == -ENODEV) + goto qp_destroy; + if (rc) goto fail; - } - /* Create a shadow QP to handle the QP1 traffic */ - rdev->qp1_sqp = bnxt_re_create_shadow_qp(pd, &rdev->qplib_res, - &qp->qplib_qp); - if (!rdev->qp1_sqp) { - rc = -EINVAL; - dev_err(rdev_to_dev(rdev), - "Failed to create Shadow QP for QP1"); - goto qp_destroy; - } - rdev->sqp_ah = bnxt_re_create_shadow_qp_ah(pd, &rdev->qplib_res, - &qp->qplib_qp); - if (!rdev->sqp_ah) { - bnxt_qplib_destroy_qp(&rdev->qplib_res, - &rdev->qp1_sqp->qplib_qp); - rc = -EINVAL; - dev_err(rdev_to_dev(rdev), - "Failed to create AH entry for ShadowQP"); - goto qp_destroy; - } - } else { - /* Allocate 128 + 1 more than what's provided */ - entries = roundup_pow_of_two(qp_init_attr->cap.max_send_wr + - BNXT_QPLIB_RESERVED_QP_WRS + 1); - qp->qplib_qp.sq.max_wqe = min_t(u32, entries, - dev_attr->max_qp_wqes + - BNXT_QPLIB_RESERVED_QP_WRS + 1); - qp->qplib_qp.sq.q_full_delta = BNXT_QPLIB_RESERVED_QP_WRS + 1; - - /* - * Reserving one slot for Phantom WQE. Application can - * post one extra entry in this case. But allowing this to avoid - * unexpected Queue full condition - */ - - qp->qplib_qp.sq.q_full_delta -= 1; - - qp->qplib_qp.max_rd_atomic = dev_attr->max_qp_rd_atom; - qp->qplib_qp.max_dest_rd_atomic = dev_attr->max_qp_init_rd_atom; - if (udata) { - rc = bnxt_re_init_user_qp(rdev, pd, qp, udata); - if (rc) - goto fail; - } else { - qp->qplib_qp.dpi = &rdev->dpi_privileged; - } - rc = bnxt_qplib_create_qp(&rdev->qplib_res, &qp->qplib_qp); if (rc) { dev_err(rdev_to_dev(rdev), "Failed to create HW QP"); goto free_umem; } + if (udata) { + struct bnxt_re_qp_resp resp; + + resp.qpid = qp->qplib_qp.id; + resp.rsvd = 0; + rc = ib_copy_to_udata(udata, &resp, sizeof(resp)); + if (rc) { + dev_err(rdev_to_dev(rdev), "Failed to copy QP udata"); + goto qp_destroy; + } + } } qp->ib_qp.qp_num = qp->qplib_qp.id; + if (qp_init_attr->qp_type == IB_QPT_GSI) + rdev->gsi_ctx.gsi_qp = qp; spin_lock_init(&qp->sq_lock); spin_lock_init(&qp->rq_lock); - - if (udata) { - struct bnxt_re_qp_resp resp; - - resp.qpid = qp->ib_qp.qp_num; - resp.rsvd = 0; - rc = ib_copy_to_udata(udata, &resp, sizeof(resp)); - if (rc) { - dev_err(rdev_to_dev(rdev), "Failed to copy QP udata"); - goto qp_destroy; - } - } INIT_LIST_HEAD(&qp->list); mutex_lock(&rdev->qp_lock); list_add_tail(&qp->list, &rdev->qp_list); - atomic_inc(&rdev->qp_count); mutex_unlock(&rdev->qp_lock); + atomic_inc(&rdev->qp_count); return &qp->ib_qp; qp_destroy: @@ -1206,6 +1402,7 @@ free_umem: ib_umem_release(qp->sumem); fail: kfree(qp); +exit: return ERR_PTR(rc); } @@ -1504,7 +1701,7 @@ static int bnxt_re_modify_shadow_qp(struct bnxt_re_dev *rdev, struct bnxt_re_qp *qp1_qp, int qp_attr_mask) { - struct bnxt_re_qp *qp = rdev->qp1_sqp; + struct bnxt_re_qp *qp = rdev->gsi_ctx.gsi_sqp; int rc = 0; if (qp_attr_mask & IB_QP_STATE) { @@ -1768,7 +1965,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr, dev_err(rdev_to_dev(rdev), "Failed to modify HW QP"); return rc; } - if (ib_qp->qp_type == IB_QPT_GSI && rdev->qp1_sqp) + if (ib_qp->qp_type == IB_QPT_GSI && rdev->gsi_ctx.gsi_sqp) rc = bnxt_re_modify_shadow_qp(rdev, qp, qp_attr_mask); return rc; } @@ -2013,9 +2210,12 @@ static int bnxt_re_build_qp1_shadow_qp_recv(struct bnxt_re_qp *qp, struct bnxt_qplib_swqe *wqe, int payload_size) { - struct bnxt_qplib_sge ref, sge; - u32 rq_prod_index; struct bnxt_re_sqp_entries *sqp_entry; + struct bnxt_qplib_sge ref, sge; + struct bnxt_re_dev *rdev; + u32 rq_prod_index; + + rdev = qp->rdev; rq_prod_index = bnxt_qplib_get_rq_prod_index(&qp->qplib_qp); @@ -2030,7 +2230,7 @@ static int bnxt_re_build_qp1_shadow_qp_recv(struct bnxt_re_qp *qp, ref.lkey = wqe->sg_list[0].lkey; ref.size = wqe->sg_list[0].size; - sqp_entry = &qp->rdev->sqp_tbl[rq_prod_index]; + sqp_entry = &rdev->gsi_ctx.sqp_tbl[rq_prod_index]; /* SGE 1 */ wqe->sg_list[0].addr = sge.addr; @@ -2850,12 +3050,13 @@ static bool bnxt_re_is_loopback_packet(struct bnxt_re_dev *rdev, return rc; } -static int bnxt_re_process_raw_qp_pkt_rx(struct bnxt_re_qp *qp1_qp, +static int bnxt_re_process_raw_qp_pkt_rx(struct bnxt_re_qp *gsi_qp, struct bnxt_qplib_cqe *cqe) { - struct bnxt_re_dev *rdev = qp1_qp->rdev; + struct bnxt_re_dev *rdev = gsi_qp->rdev; struct bnxt_re_sqp_entries *sqp_entry = NULL; - struct bnxt_re_qp *qp = rdev->qp1_sqp; + struct bnxt_re_qp *gsi_sqp = rdev->gsi_ctx.gsi_sqp; + struct bnxt_re_ah *gsi_sah; struct ib_send_wr *swr; struct ib_ud_wr udwr; struct ib_recv_wr rwr; @@ -2878,19 +3079,19 @@ static int bnxt_re_process_raw_qp_pkt_rx(struct bnxt_re_qp *qp1_qp, swr = &udwr.wr; tbl_idx = cqe->wr_id; - rq_hdr_buf = qp1_qp->qplib_qp.rq_hdr_buf + - (tbl_idx * qp1_qp->qplib_qp.rq_hdr_buf_size); - rq_hdr_buf_map = bnxt_qplib_get_qp_buf_from_index(&qp1_qp->qplib_qp, + rq_hdr_buf = gsi_qp->qplib_qp.rq_hdr_buf + + (tbl_idx * gsi_qp->qplib_qp.rq_hdr_buf_size); + rq_hdr_buf_map = bnxt_qplib_get_qp_buf_from_index(&gsi_qp->qplib_qp, tbl_idx); /* Shadow QP header buffer */ - shrq_hdr_buf_map = bnxt_qplib_get_qp_buf_from_index(&qp->qplib_qp, + shrq_hdr_buf_map = bnxt_qplib_get_qp_buf_from_index(&gsi_qp->qplib_qp, tbl_idx); - sqp_entry = &rdev->sqp_tbl[tbl_idx]; + sqp_entry = &rdev->gsi_ctx.sqp_tbl[tbl_idx]; /* Store this cqe */ memcpy(&sqp_entry->cqe, cqe, sizeof(struct bnxt_qplib_cqe)); - sqp_entry->qp1_qp = qp1_qp; + sqp_entry->qp1_qp = gsi_qp; /* Find packet type from the cqe */ @@ -2944,7 +3145,7 @@ static int bnxt_re_process_raw_qp_pkt_rx(struct bnxt_re_qp *qp1_qp, rwr.wr_id = tbl_idx; rwr.next = NULL; - rc = bnxt_re_post_recv_shadow_qp(rdev, qp, &rwr); + rc = bnxt_re_post_recv_shadow_qp(rdev, gsi_sqp, &rwr); if (rc) { dev_err(rdev_to_dev(rdev), "Failed to post Rx buffers to shadow QP"); @@ -2956,15 +3157,13 @@ static int bnxt_re_process_raw_qp_pkt_rx(struct bnxt_re_qp *qp1_qp, swr->wr_id = tbl_idx; swr->opcode = IB_WR_SEND; swr->next = NULL; - - udwr.ah = &rdev->sqp_ah->ib_ah; - udwr.remote_qpn = rdev->qp1_sqp->qplib_qp.id; - udwr.remote_qkey = rdev->qp1_sqp->qplib_qp.qkey; + gsi_sah = rdev->gsi_ctx.gsi_sah; + udwr.ah = &gsi_sah->ib_ah; + udwr.remote_qpn = gsi_sqp->qplib_qp.id; + udwr.remote_qkey = gsi_sqp->qplib_qp.qkey; /* post data received in the send queue */ - rc = bnxt_re_post_send_shadow_qp(rdev, qp, swr); - - return 0; + return bnxt_re_post_send_shadow_qp(rdev, gsi_sqp, swr); } static void bnxt_re_process_res_rawqp1_wc(struct ib_wc *wc, @@ -3029,12 +3228,12 @@ static void bnxt_re_process_res_rc_wc(struct ib_wc *wc, wc->opcode = IB_WC_RECV_RDMA_WITH_IMM; } -static void bnxt_re_process_res_shadow_qp_wc(struct bnxt_re_qp *qp, +static void bnxt_re_process_res_shadow_qp_wc(struct bnxt_re_qp *gsi_sqp, struct ib_wc *wc, struct bnxt_qplib_cqe *cqe) { - struct bnxt_re_dev *rdev = qp->rdev; - struct bnxt_re_qp *qp1_qp = NULL; + struct bnxt_re_dev *rdev = gsi_sqp->rdev; + struct bnxt_re_qp *gsi_qp = NULL; struct bnxt_qplib_cqe *orig_cqe = NULL; struct bnxt_re_sqp_entries *sqp_entry = NULL; int nw_type; @@ -3044,13 +3243,13 @@ static void bnxt_re_process_res_shadow_qp_wc(struct bnxt_re_qp *qp, tbl_idx = cqe->wr_id; - sqp_entry = &rdev->sqp_tbl[tbl_idx]; - qp1_qp = sqp_entry->qp1_qp; + sqp_entry = &rdev->gsi_ctx.sqp_tbl[tbl_idx]; + gsi_qp = sqp_entry->qp1_qp; orig_cqe = &sqp_entry->cqe; wc->wr_id = sqp_entry->wrid; wc->byte_len = orig_cqe->length; - wc->qp = &qp1_qp->ib_qp; + wc->qp = &gsi_qp->ib_qp; wc->ex.imm_data = orig_cqe->immdata; wc->src_qp = orig_cqe->src_qp; @@ -3137,7 +3336,7 @@ static int send_phantom_wqe(struct bnxt_re_qp *qp) int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) { struct bnxt_re_cq *cq = container_of(ib_cq, struct bnxt_re_cq, ib_cq); - struct bnxt_re_qp *qp; + struct bnxt_re_qp *qp, *sh_qp; struct bnxt_qplib_cqe *cqe; int i, ncqe, budget; struct bnxt_qplib_q *sq; @@ -3201,8 +3400,9 @@ int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) switch (cqe->opcode) { case CQ_BASE_CQE_TYPE_REQ: - if (qp->rdev->qp1_sqp && qp->qplib_qp.id == - qp->rdev->qp1_sqp->qplib_qp.id) { + sh_qp = qp->rdev->gsi_ctx.gsi_sqp; + if (sh_qp && + qp->qplib_qp.id == sh_qp->qplib_qp.id) { /* Handle this completion with * the stored completion */ @@ -3228,7 +3428,7 @@ int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) * stored in the table */ tbl_idx = cqe->wr_id; - sqp_entry = &cq->rdev->sqp_tbl[tbl_idx]; + sqp_entry = &cq->rdev->gsi_ctx.sqp_tbl[tbl_idx]; wc->wr_id = sqp_entry->wrid; bnxt_re_process_res_rawqp1_wc(wc, cqe); break; @@ -3236,8 +3436,9 @@ int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) bnxt_re_process_res_rc_wc(wc, cqe); break; case CQ_BASE_CQE_TYPE_RES_UD: - if (qp->rdev->qp1_sqp && qp->qplib_qp.id == - qp->rdev->qp1_sqp->qplib_qp.id) { + sh_qp = qp->rdev->gsi_ctx.gsi_sqp; + if (sh_qp && + qp->qplib_qp.id == sh_qp->qplib_qp.id) { /* Handle this completion with * the stored completion */ diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index cfe5f47d9890..a40bc23196bf 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -119,61 +119,76 @@ static void bnxt_re_get_sriov_func_type(struct bnxt_re_dev *rdev) * reserved for the function. The driver may choose to allocate fewer * resources than the firmware maximum. */ +static void bnxt_re_limit_pf_res(struct bnxt_re_dev *rdev) +{ + struct bnxt_qplib_dev_attr *attr; + struct bnxt_qplib_ctx *ctx; + int i; + + attr = &rdev->dev_attr; + ctx = &rdev->qplib_ctx; + + ctx->qpc_count = min_t(u32, BNXT_RE_MAX_QPC_COUNT, + attr->max_qp); + ctx->mrw_count = BNXT_RE_MAX_MRW_COUNT_256K; + /* Use max_mr from fw since max_mrw does not get set */ + ctx->mrw_count = min_t(u32, ctx->mrw_count, attr->max_mr); + ctx->srqc_count = min_t(u32, BNXT_RE_MAX_SRQC_COUNT, + attr->max_srq); + ctx->cq_count = min_t(u32, BNXT_RE_MAX_CQ_COUNT, attr->max_cq); + if (!bnxt_qplib_is_chip_gen_p5(&rdev->chip_ctx)) + for (i = 0; i < MAX_TQM_ALLOC_REQ; i++) + rdev->qplib_ctx.tqm_count[i] = + rdev->dev_attr.tqm_alloc_reqs[i]; +} + +static void bnxt_re_limit_vf_res(struct bnxt_qplib_ctx *qplib_ctx, u32 num_vf) +{ + struct bnxt_qplib_vf_res *vf_res; + u32 mrws = 0; + u32 vf_pct; + u32 nvfs; + + vf_res = &qplib_ctx->vf_res; + /* + * Reserve a set of resources for the PF. Divide the remaining + * resources among the VFs + */ + vf_pct = 100 - BNXT_RE_PCT_RSVD_FOR_PF; + nvfs = num_vf; + num_vf = 100 * num_vf; + vf_res->max_qp_per_vf = (qplib_ctx->qpc_count * vf_pct) / num_vf; + vf_res->max_srq_per_vf = (qplib_ctx->srqc_count * vf_pct) / num_vf; + vf_res->max_cq_per_vf = (qplib_ctx->cq_count * vf_pct) / num_vf; + /* + * The driver allows many more MRs than other resources. If the + * firmware does also, then reserve a fixed amount for the PF and + * divide the rest among VFs. VFs may use many MRs for NFS + * mounts, ISER, NVME applications, etc. If the firmware severely + * restricts the number of MRs, then let PF have half and divide + * the rest among VFs, as for the other resource types. + */ + if (qplib_ctx->mrw_count < BNXT_RE_MAX_MRW_COUNT_64K) { + mrws = qplib_ctx->mrw_count * vf_pct; + nvfs = num_vf; + } else { + mrws = qplib_ctx->mrw_count - BNXT_RE_RESVD_MR_FOR_PF; + } + vf_res->max_mrw_per_vf = (mrws / nvfs); + vf_res->max_gid_per_vf = BNXT_RE_MAX_GID_PER_VF; +} + static void bnxt_re_set_resource_limits(struct bnxt_re_dev *rdev) { - u32 vf_qps = 0, vf_srqs = 0, vf_cqs = 0, vf_mrws = 0, vf_gids = 0; - u32 i; - u32 vf_pct; u32 num_vfs; - struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr; - rdev->qplib_ctx.qpc_count = min_t(u32, BNXT_RE_MAX_QPC_COUNT, - dev_attr->max_qp); + memset(&rdev->qplib_ctx.vf_res, 0, sizeof(struct bnxt_qplib_vf_res)); + bnxt_re_limit_pf_res(rdev); - rdev->qplib_ctx.mrw_count = BNXT_RE_MAX_MRW_COUNT_256K; - /* Use max_mr from fw since max_mrw does not get set */ - rdev->qplib_ctx.mrw_count = min_t(u32, rdev->qplib_ctx.mrw_count, - dev_attr->max_mr); - rdev->qplib_ctx.srqc_count = min_t(u32, BNXT_RE_MAX_SRQC_COUNT, - dev_attr->max_srq); - rdev->qplib_ctx.cq_count = min_t(u32, BNXT_RE_MAX_CQ_COUNT, - dev_attr->max_cq); - - for (i = 0; i < MAX_TQM_ALLOC_REQ; i++) - rdev->qplib_ctx.tqm_count[i] = - rdev->dev_attr.tqm_alloc_reqs[i]; - - if (rdev->num_vfs) { - /* - * Reserve a set of resources for the PF. Divide the remaining - * resources among the VFs - */ - vf_pct = 100 - BNXT_RE_PCT_RSVD_FOR_PF; - num_vfs = 100 * rdev->num_vfs; - vf_qps = (rdev->qplib_ctx.qpc_count * vf_pct) / num_vfs; - vf_srqs = (rdev->qplib_ctx.srqc_count * vf_pct) / num_vfs; - vf_cqs = (rdev->qplib_ctx.cq_count * vf_pct) / num_vfs; - /* - * The driver allows many more MRs than other resources. If the - * firmware does also, then reserve a fixed amount for the PF - * and divide the rest among VFs. VFs may use many MRs for NFS - * mounts, ISER, NVME applications, etc. If the firmware - * severely restricts the number of MRs, then let PF have - * half and divide the rest among VFs, as for the other - * resource types. - */ - if (rdev->qplib_ctx.mrw_count < BNXT_RE_MAX_MRW_COUNT_64K) - vf_mrws = rdev->qplib_ctx.mrw_count * vf_pct / num_vfs; - else - vf_mrws = (rdev->qplib_ctx.mrw_count - - BNXT_RE_RESVD_MR_FOR_PF) / rdev->num_vfs; - vf_gids = BNXT_RE_MAX_GID_PER_VF; - } - rdev->qplib_ctx.vf_res.max_mrw_per_vf = vf_mrws; - rdev->qplib_ctx.vf_res.max_gid_per_vf = vf_gids; - rdev->qplib_ctx.vf_res.max_qp_per_vf = vf_qps; - rdev->qplib_ctx.vf_res.max_srq_per_vf = vf_srqs; - rdev->qplib_ctx.vf_res.max_cq_per_vf = vf_cqs; + num_vfs = bnxt_qplib_is_chip_gen_p5(&rdev->chip_ctx) ? + BNXT_RE_GEN_P5_MAX_VF : rdev->num_vfs; + if (num_vfs) + bnxt_re_limit_vf_res(&rdev->qplib_ctx, num_vfs); } /* for handling bnxt_en callbacks later */ @@ -193,9 +208,11 @@ static void bnxt_re_sriov_config(void *p, int num_vfs) return; rdev->num_vfs = num_vfs; - bnxt_re_set_resource_limits(rdev); - bnxt_qplib_set_func_resources(&rdev->qplib_res, &rdev->rcfw, - &rdev->qplib_ctx); + if (!bnxt_qplib_is_chip_gen_p5(&rdev->chip_ctx)) { + bnxt_re_set_resource_limits(rdev); + bnxt_qplib_set_func_resources(&rdev->qplib_res, &rdev->rcfw, + &rdev->qplib_ctx); + } } static void bnxt_re_shutdown(void *p) @@ -897,10 +914,14 @@ static int bnxt_re_cqn_handler(struct bnxt_qplib_nq *nq, return 0; } +#define BNXT_RE_GEN_P5_PF_NQ_DB 0x10000 +#define BNXT_RE_GEN_P5_VF_NQ_DB 0x4000 static u32 bnxt_re_get_nqdb_offset(struct bnxt_re_dev *rdev, u16 indx) { return bnxt_qplib_is_chip_gen_p5(&rdev->chip_ctx) ? - 0x10000 : rdev->msix_entries[indx].db_offset; + (rdev->is_virtfn ? BNXT_RE_GEN_P5_VF_NQ_DB : + BNXT_RE_GEN_P5_PF_NQ_DB) : + rdev->msix_entries[indx].db_offset; } static void bnxt_re_cleanup_res(struct bnxt_re_dev *rdev) @@ -1106,7 +1127,8 @@ static int bnxt_re_query_hwrm_pri2cos(struct bnxt_re_dev *rdev, u8 dir, static bool bnxt_re_is_qp1_or_shadow_qp(struct bnxt_re_dev *rdev, struct bnxt_re_qp *qp) { - return (qp->ib_qp.qp_type == IB_QPT_GSI) || (qp == rdev->qp1_sqp); + return (qp->ib_qp.qp_type == IB_QPT_GSI) || + (qp == rdev->gsi_ctx.gsi_sqp); } static void bnxt_re_dev_stop(struct bnxt_re_dev *rdev) @@ -1410,8 +1432,8 @@ static int bnxt_re_ib_reg(struct bnxt_re_dev *rdev) rdev->is_virtfn); if (rc) goto disable_rcfw; - if (!rdev->is_virtfn) - bnxt_re_set_resource_limits(rdev); + + bnxt_re_set_resource_limits(rdev); rc = bnxt_qplib_alloc_ctx(rdev->en_dev->pdev, &rdev->qplib_ctx, 0, bnxt_qplib_is_chip_gen_p5(&rdev->chip_ctx)); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 5fc5ab7813c0..18b579c8a8c5 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -2606,11 +2606,8 @@ static int bnxt_qplib_cq_process_terminal(struct bnxt_qplib_cq *cq, qp = (struct bnxt_qplib_qp *)((unsigned long) le64_to_cpu(hwcqe->qp_handle)); - if (!qp) { - dev_err(&cq->hwq.pdev->dev, - "FP: CQ Process terminal qp is NULL\n"); + if (!qp) return -EINVAL; - } /* Must block new posting of SQ and RQ */ qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 60c8f76aab33..5cdfa84faf85 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -494,8 +494,10 @@ int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw, * shall setup this area for VF. Skipping the * HW programming */ - if (is_virtfn || bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx)) + if (is_virtfn) goto skip_ctx_setup; + if (bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx)) + goto config_vf_res; level = ctx->qpc_tbl.level; req.qpc_pg_size_qpc_lvl = (level << CMDQ_INITIALIZE_FW_QPC_LVL_SFT) | @@ -540,6 +542,7 @@ int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw, req.number_of_srq = cpu_to_le32(ctx->srqc_tbl.max_elements); req.number_of_cq = cpu_to_le32(ctx->cq_tbl.max_elements); +config_vf_res: req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf); req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf); req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf); diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 535ee41ee421..e163c09547eb 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -3282,7 +3282,7 @@ static int get_lladdr(struct net_device *dev, struct in6_addr *addr, static int pick_local_ip6addrs(struct c4iw_dev *dev, struct iw_cm_id *cm_id) { - struct in6_addr uninitialized_var(addr); + struct in6_addr addr; struct sockaddr_in6 *la6 = (struct sockaddr_in6 *)&cm_id->m_local_addr; struct sockaddr_in6 *ra6 = (struct sockaddr_in6 *)&cm_id->m_remote_addr; diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index 16b74591a68d..a3595b8a4bcf 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -754,7 +754,7 @@ skip_cqe: static int __c4iw_poll_cq_one(struct c4iw_cq *chp, struct c4iw_qp *qhp, struct ib_wc *wc, struct c4iw_srq *srq) { - struct t4_cqe uninitialized_var(cqe); + struct t4_cqe cqe; struct t4_wq *wq = qhp ? &qhp->wq : NULL; u32 credit = 0; u8 cqe_flushed; diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index 17f1e59ab12e..559b24ca5205 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1231,7 +1231,7 @@ static int pbl_continuous_initialize(struct efa_dev *dev, */ static int pbl_indirect_initialize(struct efa_dev *dev, struct pbl_context *pbl) { - u32 size_in_pages = DIV_ROUND_UP(pbl->pbl_buf_size_in_bytes, PAGE_SIZE); + u32 size_in_pages = DIV_ROUND_UP(pbl->pbl_buf_size_in_bytes, EFA_CHUNK_PAYLOAD_SIZE); struct scatterlist *sgl; int sg_dma_cnt, err; diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 10924f122072..65d6bf34614c 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -12191,6 +12191,7 @@ static void free_cntrs(struct hfi1_devdata *dd) if (dd->synth_stats_timer.function) del_timer_sync(&dd->synth_stats_timer); + cancel_work_sync(&dd->update_cntr_work); ppd = (struct hfi1_pportdata *)(dd + 1); for (i = 0; i < dd->num_pports; i++, ppd++) { kfree(ppd->cntrs); diff --git a/drivers/infiniband/hw/hfi1/mmu_rb.c b/drivers/infiniband/hw/hfi1/mmu_rb.c index 14d2a90964c3..a5631286c8e0 100644 --- a/drivers/infiniband/hw/hfi1/mmu_rb.c +++ b/drivers/infiniband/hw/hfi1/mmu_rb.c @@ -173,7 +173,7 @@ int hfi1_mmu_rb_insert(struct mmu_rb_handler *handler, goto unlock; } __mmu_int_rb_insert(mnode, &handler->root); - list_add(&mnode->list, &handler->lru_list); + list_add_tail(&mnode->list, &handler->lru_list); ret = handler->ops->insert(handler->ops_arg, mnode); if (ret) { @@ -220,8 +220,10 @@ bool hfi1_mmu_rb_remove_unless_exact(struct mmu_rb_handler *handler, spin_lock_irqsave(&handler->lock, flags); node = __mmu_rb_search(handler, addr, len); if (node) { - if (node->addr == addr && node->len == len) + if (node->addr == addr && node->len == len) { + list_move_tail(&node->list, &handler->lru_list); goto unlock; + } __mmu_int_rb_remove(node, &handler->root); list_del(&node->list); /* remove from LRU list */ ret = true; @@ -242,8 +244,7 @@ void hfi1_mmu_rb_evict(struct mmu_rb_handler *handler, void *evict_arg) INIT_LIST_HEAD(&del_list); spin_lock_irqsave(&handler->lock, flags); - list_for_each_entry_safe_reverse(rbnode, ptr, &handler->lru_list, - list) { + list_for_each_entry_safe(rbnode, ptr, &handler->lru_list, list) { if (handler->ops->evict(handler->ops_arg, rbnode, evict_arg, &stop)) { __mmu_int_rb_remove(rbnode, &handler->root); @@ -255,9 +256,7 @@ void hfi1_mmu_rb_evict(struct mmu_rb_handler *handler, void *evict_arg) } spin_unlock_irqrestore(&handler->lock, flags); - while (!list_empty(&del_list)) { - rbnode = list_first_entry(&del_list, struct mmu_rb_node, list); - list_del(&rbnode->list); + list_for_each_entry_safe(rbnode, ptr, &del_list, list) { handler->ops->remove(handler->ops_arg, rbnode); } } diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c index 2a684fc6056e..057c9ffcd02e 100644 --- a/drivers/infiniband/hw/hfi1/sdma.c +++ b/drivers/infiniband/hw/hfi1/sdma.c @@ -3203,8 +3203,7 @@ int _pad_sdma_tx_descs(struct hfi1_devdata *dd, struct sdma_txreq *tx) { int rval = 0; - tx->num_desc++; - if ((unlikely(tx->num_desc == tx->desc_limit))) { + if ((unlikely(tx->num_desc + 1 == tx->desc_limit))) { rval = _extend_sdma_tx_descs(dd, tx); if (rval) { __sdma_txclean(dd, tx); @@ -3217,6 +3216,7 @@ int _pad_sdma_tx_descs(struct hfi1_devdata *dd, struct sdma_txreq *tx) SDMA_MAP_NONE, dd->sdma_pad_phys, sizeof(u32) - (tx->packet_len & (sizeof(u32) - 1))); + tx->num_desc++; _sdma_close_tx(dd, tx); return rval; } diff --git a/drivers/infiniband/hw/hfi1/sdma.h b/drivers/infiniband/hw/hfi1/sdma.h index 1e2e40f79cb2..6ac00755848d 100644 --- a/drivers/infiniband/hw/hfi1/sdma.h +++ b/drivers/infiniband/hw/hfi1/sdma.h @@ -672,14 +672,13 @@ static inline void sdma_txclean(struct hfi1_devdata *dd, struct sdma_txreq *tx) static inline void _sdma_close_tx(struct hfi1_devdata *dd, struct sdma_txreq *tx) { - tx->descp[tx->num_desc].qw[0] |= - SDMA_DESC0_LAST_DESC_FLAG; - tx->descp[tx->num_desc].qw[1] |= - dd->default_desc1; + u16 last_desc = tx->num_desc - 1; + + tx->descp[last_desc].qw[0] |= SDMA_DESC0_LAST_DESC_FLAG; + tx->descp[last_desc].qw[1] |= dd->default_desc1; if (tx->flags & SDMA_TXREQ_F_URGENT) - tx->descp[tx->num_desc].qw[1] |= - (SDMA_DESC1_HEAD_TO_HOST_FLAG | - SDMA_DESC1_INT_REQ_FLAG); + tx->descp[last_desc].qw[1] |= (SDMA_DESC1_HEAD_TO_HOST_FLAG | + SDMA_DESC1_INT_REQ_FLAG); } static inline int _sdma_txadd_daddr( @@ -696,6 +695,7 @@ static inline int _sdma_txadd_daddr( type, addr, len); WARN_ON(len > tx->tlen); + tx->num_desc++; tx->tlen -= len; /* special cases for last */ if (!tx->tlen) { @@ -707,7 +707,6 @@ static inline int _sdma_txadd_daddr( _sdma_close_tx(dd, tx); } } - tx->num_desc++; return rval; } diff --git a/drivers/infiniband/hw/i40iw/i40iw.h b/drivers/infiniband/hw/i40iw/i40iw.h index 6d6719fa7e46..44d65b11a36e 100644 --- a/drivers/infiniband/hw/i40iw/i40iw.h +++ b/drivers/infiniband/hw/i40iw/i40iw.h @@ -411,9 +411,8 @@ void i40iw_manage_arp_cache(struct i40iw_device *iwdev, bool ipv4, u32 action); -int i40iw_manage_apbvt(struct i40iw_device *iwdev, - u16 accel_local_port, - bool add_port); +enum i40iw_status_code i40iw_manage_apbvt(struct i40iw_device *iwdev, + u16 accel_local_port, bool add_port); struct i40iw_cqp_request *i40iw_get_cqp_request(struct i40iw_cqp *cqp, bool wait); void i40iw_free_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request); diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index bca5358f3ef2..395d8a99b12e 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -438,9 +438,13 @@ static int set_user_sq_size(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, struct mlx4_ib_create_qp *ucmd) { + u32 cnt; + /* Sanity check SQ size before proceeding */ - if ((1 << ucmd->log_sq_bb_count) > dev->dev->caps.max_wqes || - ucmd->log_sq_stride > + if (check_shl_overflow(1, ucmd->log_sq_bb_count, &cnt) || + cnt > dev->dev->caps.max_wqes) + return -EINVAL; + if (ucmd->log_sq_stride > ilog2(roundup_pow_of_two(dev->dev->caps.max_sq_desc_sz)) || ucmd->log_sq_stride < MLX4_IB_MIN_SQ_STRIDE) return -EINVAL; @@ -552,15 +556,15 @@ static int set_qp_rss(struct mlx4_ib_dev *dev, struct mlx4_ib_rss *rss_ctx, return (-EOPNOTSUPP); } - if (ucmd->rx_hash_fields_mask & ~(MLX4_IB_RX_HASH_SRC_IPV4 | - MLX4_IB_RX_HASH_DST_IPV4 | - MLX4_IB_RX_HASH_SRC_IPV6 | - MLX4_IB_RX_HASH_DST_IPV6 | - MLX4_IB_RX_HASH_SRC_PORT_TCP | - MLX4_IB_RX_HASH_DST_PORT_TCP | - MLX4_IB_RX_HASH_SRC_PORT_UDP | - MLX4_IB_RX_HASH_DST_PORT_UDP | - MLX4_IB_RX_HASH_INNER)) { + if (ucmd->rx_hash_fields_mask & ~(u64)(MLX4_IB_RX_HASH_SRC_IPV4 | + MLX4_IB_RX_HASH_DST_IPV4 | + MLX4_IB_RX_HASH_SRC_IPV6 | + MLX4_IB_RX_HASH_DST_IPV6 | + MLX4_IB_RX_HASH_SRC_PORT_TCP | + MLX4_IB_RX_HASH_DST_PORT_TCP | + MLX4_IB_RX_HASH_SRC_PORT_UDP | + MLX4_IB_RX_HASH_DST_PORT_UDP | + MLX4_IB_RX_HASH_INNER)) { pr_debug("RX Hash fields_mask has unsupported mask (0x%llx)\n", ucmd->rx_hash_fields_mask); return (-EOPNOTSUPP); @@ -3543,11 +3547,11 @@ static int _mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, int nreq; int err = 0; unsigned ind; - int uninitialized_var(size); - unsigned uninitialized_var(seglen); + int size; + unsigned seglen; __be32 dummy; __be32 *lso_wqe; - __be32 uninitialized_var(lso_hdr_sz); + __be32 lso_hdr_sz; __be32 blh; int i; struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 23ce0126b268..7f659c240c99 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -916,8 +916,8 @@ int mlx5_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, struct mlx5_ib_dev *dev = to_mdev(ibdev); struct mlx5_ib_cq *cq = to_mcq(ibcq); u32 out[MLX5_ST_SZ_DW(create_cq_out)]; - int uninitialized_var(index); - int uninitialized_var(inlen); + int index; + int inlen; u32 *cqb = NULL; void *cqc; int cqe_size; @@ -1237,7 +1237,7 @@ int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) __be64 *pas; int page_shift; int inlen; - int uninitialized_var(cqe_size); + int cqe_size; unsigned long flags; if (!MLX5_CAP_GEN(dev->mdev, cq_resize)) { diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index 747f42855b7b..26cc7bbcdfe6 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -2556,7 +2556,7 @@ static ssize_t devx_async_event_read(struct file *filp, char __user *buf, { struct devx_async_event_file *ev_file = filp->private_data; struct devx_event_subscription *event_sub; - struct devx_async_event_data *uninitialized_var(event); + struct devx_async_event_data *event; int ret = 0; size_t eventsz; bool omit_data; diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 6edd30c92156..51623431b879 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3821,7 +3821,7 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, return -EINVAL; if (attr->port_num == 0 || - attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { + attr->port_num > dev->num_ports) { mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", attr->port_num, dev->num_ports); return -EINVAL; diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index d04c245359eb..c6e95d0d760a 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -1639,8 +1639,8 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, * without initializing f0 and size0, and they are in fact * never used uninitialized. */ - int uninitialized_var(size0); - u32 uninitialized_var(f0); + int size0; + u32 f0; int ind; u8 op0 = 0; @@ -1835,7 +1835,7 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, const struct ib_recv_wr *wr, * without initializing size0, and it is in fact never used * uninitialized. */ - int uninitialized_var(size0); + int size0; int ind; void *wqe; void *prev_wqe; @@ -1943,8 +1943,8 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, * without initializing f0 and size0, and they are in fact * never used uninitialized. */ - int uninitialized_var(size0); - u32 uninitialized_var(f0); + int size0; + u32 f0; int ind; u8 op0 = 0; diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index e97c13967174..905e2eaed095 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -505,8 +505,6 @@ void rvt_qp_exit(struct rvt_dev_info *rdi) if (qps_inuse) rvt_pr_err(rdi, "QP memory leak! %u still in use\n", qps_inuse); - if (!rdi->qp_dev) - return; kfree(rdi->qp_dev->qp_table); free_qpn_table(&rdi->qp_dev->qpn_table); diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c index 5dd9bcef5921..d93ed04276ac 100644 --- a/drivers/infiniband/sw/rxe/rxe_qp.c +++ b/drivers/infiniband/sw/rxe/rxe_qp.c @@ -219,6 +219,9 @@ static void rxe_qp_init_misc(struct rxe_dev *rxe, struct rxe_qp *qp, spin_lock_init(&qp->rq.producer_lock); spin_lock_init(&qp->rq.consumer_lock); + skb_queue_head_init(&qp->req_pkts); + skb_queue_head_init(&qp->resp_pkts); + atomic_set(&qp->ssn, 0); atomic_set(&qp->skb_out, 0); } @@ -276,12 +279,8 @@ static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp, qp->req.opcode = -1; qp->comp.opcode = -1; - skb_queue_head_init(&qp->req_pkts); - - rxe_init_task(rxe, &qp->req.task, qp, - rxe_requester, "req"); - rxe_init_task(rxe, &qp->comp.task, qp, - rxe_completer, "comp"); + rxe_init_task(&qp->req.task, qp, rxe_requester); + rxe_init_task(&qp->comp.task, qp, rxe_completer); qp->qp_timeout_jiffies = 0; /* Can't be set for UD/UC in modify_qp */ if (init->qp_type == IB_QPT_RC) { @@ -325,10 +324,7 @@ static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp, } } - skb_queue_head_init(&qp->resp_pkts); - - rxe_init_task(rxe, &qp->resp.task, qp, - rxe_responder, "resp"); + rxe_init_task(&qp->resp.task, qp, rxe_responder); qp->resp.opcode = OPCODE_NONE; qp->resp.msn = 0; diff --git a/drivers/infiniband/sw/rxe/rxe_task.c b/drivers/infiniband/sw/rxe/rxe_task.c index 08f05ac5f5d5..39b3adda1655 100644 --- a/drivers/infiniband/sw/rxe/rxe_task.c +++ b/drivers/infiniband/sw/rxe/rxe_task.c @@ -114,13 +114,10 @@ void rxe_do_task(unsigned long data) task->ret = ret; } -int rxe_init_task(void *obj, struct rxe_task *task, - void *arg, int (*func)(void *), char *name) +int rxe_init_task(struct rxe_task *task, void *arg, int (*func)(void *)) { - task->obj = obj; task->arg = arg; task->func = func; - snprintf(task->name, sizeof(task->name), "%s", name); task->destroyed = false; tasklet_init(&task->tasklet, rxe_do_task, (unsigned long)task); diff --git a/drivers/infiniband/sw/rxe/rxe_task.h b/drivers/infiniband/sw/rxe/rxe_task.h index 08ff42d451c6..ecd81b1d1a8c 100644 --- a/drivers/infiniband/sw/rxe/rxe_task.h +++ b/drivers/infiniband/sw/rxe/rxe_task.h @@ -46,14 +46,12 @@ enum { * called again. */ struct rxe_task { - void *obj; struct tasklet_struct tasklet; int state; spinlock_t state_lock; /* spinlock for task state */ void *arg; int (*func)(void *arg); int ret; - char name[16]; bool destroyed; }; @@ -62,8 +60,7 @@ struct rxe_task { * arg => parameter to pass to fcn * fcn => function to call until it returns != 0 */ -int rxe_init_task(void *obj, struct rxe_task *task, - void *arg, int (*func)(void *), char *name); +int rxe_init_task(struct rxe_task *task, void *arg, int (*func)(void *)); /* cleanup task */ void rxe_cleanup_task(struct rxe_task *task); diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c index dbbf8c6c16d3..a462c2fc6f31 100644 --- a/drivers/infiniband/sw/siw/siw_main.c +++ b/drivers/infiniband/sw/siw/siw_main.c @@ -472,9 +472,6 @@ static int siw_netdev_event(struct notifier_block *nb, unsigned long event, dev_dbg(&netdev->dev, "siw: event %lu\n", event); - if (dev_net(netdev) != &init_net) - return NOTIFY_OK; - base_dev = ib_device_get_by_netdev(netdev, RDMA_DRIVER_SIW); if (!base_dev) return NOTIFY_OK; diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c index 2b5120a13e37..42d03bd1622d 100644 --- a/drivers/infiniband/sw/siw/siw_qp_tx.c +++ b/drivers/infiniband/sw/siw/siw_qp_tx.c @@ -548,7 +548,7 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) data_len -= plen; fp_off = 0; - if (++seg > (int)MAX_ARRAY) { + if (++seg >= (int)MAX_ARRAY) { siw_dbg_qp(tx_qp(c_tx), "to many fragments\n"); siw_unmap_pages(page_array, kmap_mask); wqe->processed -= c_tx->bytes_unsent; diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 71268d61d2b8..5bb1fc7fd79c 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -733,9 +733,13 @@ static int isert_connect_error(struct rdma_cm_id *cma_id) { struct isert_conn *isert_conn = cma_id->qp->qp_context; + struct isert_np *isert_np = cma_id->context; ib_drain_qp(isert_conn->qp); + + mutex_lock(&isert_np->mutex); list_del_init(&isert_conn->node); + mutex_unlock(&isert_np->mutex); isert_conn->cm_id = NULL; isert_put_conn(isert_conn); @@ -2507,6 +2511,7 @@ isert_free_np(struct iscsi_np *np) { struct isert_np *isert_np = np->np_context; struct isert_conn *isert_conn, *n; + LIST_HEAD(drop_conn_list); if (isert_np->cm_id) rdma_destroy_id(isert_np->cm_id); @@ -2526,7 +2531,7 @@ isert_free_np(struct iscsi_np *np) node) { isert_info("cleaning isert_conn %p state (%d)\n", isert_conn, isert_conn->state); - isert_connect_release(isert_conn); + list_move_tail(&isert_conn->node, &drop_conn_list); } } @@ -2537,11 +2542,16 @@ isert_free_np(struct iscsi_np *np) node) { isert_info("cleaning isert_conn %p state (%d)\n", isert_conn, isert_conn->state); - isert_connect_release(isert_conn); + list_move_tail(&isert_conn->node, &drop_conn_list); } } mutex_unlock(&isert_np->mutex); + list_for_each_entry_safe(isert_conn, n, &drop_conn_list, node) { + list_del_init(&isert_conn->node); + isert_connect_release(isert_conn); + } + np->np_context = NULL; kfree(isert_np); } @@ -2636,8 +2646,6 @@ static void isert_wait_conn(struct iscsi_conn *conn) isert_put_unsol_pending_cmds(conn); isert_wait4cmds(conn); isert_wait4logout(isert_conn); - - queue_work(isert_release_wq, &isert_conn->release_work); } static void isert_free_conn(struct iscsi_conn *conn) diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 70dedc0f7827..b99318fb58dc 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -262,7 +262,6 @@ static const struct xpad_device { { 0x1430, 0xf801, "RedOctane Controller", 0, XTYPE_XBOX360 }, { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 }, { 0x146b, 0x0604, "Bigben Interactive DAIJA Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, - { 0x1532, 0x0037, "Razer Sabertooth", 0, XTYPE_XBOX360 }, { 0x1532, 0x0a00, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE }, { 0x1532, 0x0a03, "Razer Wildcat", 0, XTYPE_XBOXONE }, { 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 }, @@ -489,6 +488,9 @@ struct xboxone_init_packet { } +#define GIP_WIRED_INTF_DATA 0 +#define GIP_WIRED_INTF_AUDIO 1 + /* * This packet is required for all Xbox One pads with 2015 * or later firmware installed (or present from the factory). @@ -1813,7 +1815,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id } if (xpad->xtype == XTYPE_XBOXONE && - intf->cur_altsetting->desc.bInterfaceNumber != 0) { + intf->cur_altsetting->desc.bInterfaceNumber != GIP_WIRED_INTF_DATA) { /* * The Xbox One controller lists three interfaces all with the * same interface class, subclass and protocol. Differentiate by diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index 4cc4e8ff42b3..ad035c342cd3 100644 --- a/drivers/input/misc/adxl34x.c +++ b/drivers/input/misc/adxl34x.c @@ -811,8 +811,7 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, AC_WRITE(ac, POWER_CTL, 0); err = request_threaded_irq(ac->irq, NULL, adxl34x_irq, - IRQF_TRIGGER_HIGH | IRQF_ONESHOT, - dev_name(dev), ac); + IRQF_ONESHOT, dev_name(dev), ac); if (err) { dev_err(dev, "irq %d busy?\n", ac->irq); goto err_free_mem; diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c index 79d7fa710a71..54002d1a446b 100644 --- a/drivers/input/misc/drv260x.c +++ b/drivers/input/misc/drv260x.c @@ -435,6 +435,7 @@ static int drv260x_init(struct drv260x_data *haptics) } do { + usleep_range(15000, 15500); error = regmap_read(haptics->regmap, DRV260X_GO, &cal_buf); if (error) { dev_err(&haptics->client->dev, diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 3e78c2602581..53debe75ae6b 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -674,10 +674,11 @@ static void process_packet_head_v4(struct psmouse *psmouse) struct input_dev *dev = psmouse->dev; struct elantech_data *etd = psmouse->private; unsigned char *packet = psmouse->packet; - int id = ((packet[3] & 0xe0) >> 5) - 1; + int id; int pres, traces; - if (id < 0) + id = ((packet[3] & 0xe0) >> 5) - 1; + if (id < 0 || id >= ETP_MAX_FINGERS) return; etd->mt[id].x = ((packet[1] & 0x0f) << 8) | packet[2]; @@ -707,7 +708,7 @@ static void process_packet_motion_v4(struct psmouse *psmouse) int id, sid; id = ((packet[0] & 0xe0) >> 5) - 1; - if (id < 0) + if (id < 0 || id >= ETP_MAX_FINGERS) return; sid = ((packet[3] & 0xe0) >> 5) - 1; @@ -728,7 +729,7 @@ static void process_packet_motion_v4(struct psmouse *psmouse) input_report_abs(dev, ABS_MT_POSITION_X, etd->mt[id].x); input_report_abs(dev, ABS_MT_POSITION_Y, etd->mt[id].y); - if (sid >= 0) { + if (sid >= 0 && sid < ETP_MAX_FINGERS) { etd->mt[sid].x += delta_x2 * weight; etd->mt[sid].y -= delta_y2 * weight; input_mt_slot(dev, sid); diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index e9647ebff187..1e4770094415 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -159,7 +159,7 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer, { struct serio_raw_client *client = file->private_data; struct serio_raw *serio_raw = client->serio_raw; - char uninitialized_var(c); + char c; ssize_t read = 0; int error; diff --git a/drivers/input/touchscreen/raspberrypi-ts.c b/drivers/input/touchscreen/raspberrypi-ts.c index 69881265d121..8135a80226fd 100644 --- a/drivers/input/touchscreen/raspberrypi-ts.c +++ b/drivers/input/touchscreen/raspberrypi-ts.c @@ -137,7 +137,7 @@ static int rpi_ts_probe(struct platform_device *pdev) return -ENOENT; } - fw = rpi_firmware_get(fw_node); + fw = devm_rpi_firmware_get(&pdev->dev, fw_node); of_node_put(fw_node); if (!fw) return -EPROBE_DEFER; @@ -164,7 +164,6 @@ static int rpi_ts_probe(struct platform_device *pdev) touchbuf = (u32)ts->fw_regs_phys; error = rpi_firmware_property(fw, RPI_FIRMWARE_FRAMEBUFFER_SET_TOUCHBUF, &touchbuf, sizeof(touchbuf)); - if (error || touchbuf != 0) { dev_warn(dev, "Failed to set touchbuf, %d\n", error); return error; diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index c392930253a3..f9a6516c727e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -4419,8 +4419,7 @@ int amd_iommu_activate_guest_mode(void *data) struct amd_ir_data *ir_data = (struct amd_ir_data *)data; struct irte_ga *entry = (struct irte_ga *) ir_data->entry; - if (!AMD_IOMMU_GUEST_IR_VAPIC(amd_iommu_guest_ir) || - !entry || entry->lo.fields_vapic.guest_mode) + if (!AMD_IOMMU_GUEST_IR_VAPIC(amd_iommu_guest_ir) || !entry) return 0; entry->lo.val = 0; diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 46a82dffd5f3..17a83359b4e4 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -755,6 +755,18 @@ static void queue_inc_cons(struct arm_smmu_ll_queue *q) q->cons = Q_OVF(q->cons) | Q_WRP(q, cons) | Q_IDX(q, cons); } +static void queue_sync_cons_ovf(struct arm_smmu_queue *q) +{ + struct arm_smmu_ll_queue *llq = &q->llq; + + if (likely(Q_OVF(llq->prod) == Q_OVF(llq->cons))) + return; + + llq->cons = Q_OVF(llq->prod) | Q_WRP(llq, llq->cons) | + Q_IDX(llq, llq->cons); + queue_sync_cons_out(q); +} + static int queue_sync_prod_in(struct arm_smmu_queue *q) { int ret = 0; @@ -1715,8 +1727,7 @@ static irqreturn_t arm_smmu_evtq_thread(int irq, void *dev) } while (!queue_empty(llq)); /* Sync our overflow flag, as we believe we're up to speed */ - llq->cons = Q_OVF(llq->prod) | Q_WRP(llq, llq->cons) | - Q_IDX(llq, llq->cons); + queue_sync_cons_ovf(q); return IRQ_HANDLED; } @@ -1774,9 +1785,7 @@ static irqreturn_t arm_smmu_priq_thread(int irq, void *dev) } while (!queue_empty(llq)); /* Sync our overflow flag, as we believe we're up to speed */ - llq->cons = Q_OVF(llq->prod) | Q_WRP(llq, llq->cons) | - Q_IDX(llq, llq->cons); - queue_sync_cons_out(q); + queue_sync_cons_ovf(q); return IRQ_HANDLED; } diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 0df091934361..5de969166188 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1230,18 +1230,20 @@ static int rk_iommu_probe(struct platform_device *pdev) for (i = 0; i < iommu->num_irq; i++) { int irq = platform_get_irq(pdev, i); - if (irq < 0) - return irq; + if (irq < 0) { + err = irq; + goto err_pm_disable; + } err = devm_request_irq(iommu->dev, irq, rk_iommu_irq, IRQF_SHARED, dev_name(dev), iommu); - if (err) { - pm_runtime_disable(dev); - goto err_remove_sysfs; - } + if (err) + goto err_pm_disable; } return 0; +err_pm_disable: + pm_runtime_disable(dev); err_remove_sysfs: iommu_device_sysfs_remove(&iommu->iommu); err_put_group: diff --git a/drivers/irqchip/irq-bcm6345-l1.c b/drivers/irqchip/irq-bcm6345-l1.c index 1bd0621c4ce2..4827a1183247 100644 --- a/drivers/irqchip/irq-bcm6345-l1.c +++ b/drivers/irqchip/irq-bcm6345-l1.c @@ -82,6 +82,7 @@ struct bcm6345_l1_chip { }; struct bcm6345_l1_cpu { + struct bcm6345_l1_chip *intc; void __iomem *map_base; unsigned int parent_irq; u32 enable_cache[]; @@ -115,17 +116,11 @@ static inline unsigned int cpu_for_irq(struct bcm6345_l1_chip *intc, static void bcm6345_l1_irq_handle(struct irq_desc *desc) { - struct bcm6345_l1_chip *intc = irq_desc_get_handler_data(desc); - struct bcm6345_l1_cpu *cpu; + struct bcm6345_l1_cpu *cpu = irq_desc_get_handler_data(desc); + struct bcm6345_l1_chip *intc = cpu->intc; struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int idx; -#ifdef CONFIG_SMP - cpu = intc->cpus[cpu_logical_map(smp_processor_id())]; -#else - cpu = intc->cpus[0]; -#endif - chained_irq_enter(chip, desc); for (idx = 0; idx < intc->n_words; idx++) { @@ -257,6 +252,7 @@ static int __init bcm6345_l1_init_one(struct device_node *dn, if (!cpu) return -ENOMEM; + cpu->intc = intc; cpu->map_base = ioremap(res.start, sz); if (!cpu->map_base) return -ENOMEM; @@ -272,7 +268,7 @@ static int __init bcm6345_l1_init_one(struct device_node *dn, return -EINVAL; } irq_set_chained_handler_and_data(cpu->parent_irq, - bcm6345_l1_irq_handle, intc); + bcm6345_l1_irq_handle, cpu); return 0; } diff --git a/drivers/irqchip/irq-jcore-aic.c b/drivers/irqchip/irq-jcore-aic.c index 033bccb41455..b9dcc8e78c75 100644 --- a/drivers/irqchip/irq-jcore-aic.c +++ b/drivers/irqchip/irq-jcore-aic.c @@ -68,6 +68,7 @@ static int __init aic_irq_of_init(struct device_node *node, unsigned min_irq = JCORE_AIC2_MIN_HWIRQ; unsigned dom_sz = JCORE_AIC_MAX_HWIRQ+1; struct irq_domain *domain; + int ret; pr_info("Initializing J-Core AIC\n"); @@ -100,11 +101,17 @@ static int __init aic_irq_of_init(struct device_node *node, jcore_aic.irq_unmask = noop; jcore_aic.name = "AIC"; - domain = irq_domain_add_linear(node, dom_sz, &jcore_aic_irqdomain_ops, + ret = irq_alloc_descs(-1, min_irq, dom_sz - min_irq, + of_node_to_nid(node)); + + if (ret < 0) + return ret; + + domain = irq_domain_add_legacy(node, dom_sz - min_irq, min_irq, min_irq, + &jcore_aic_irqdomain_ops, &jcore_aic); if (!domain) return -ENOMEM; - irq_create_strict_mappings(domain, min_irq, min_irq, dom_sz - min_irq); return 0; } diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c index 829084b568fa..ffd03d248737 100644 --- a/drivers/irqchip/irq-meson-gpio.c +++ b/drivers/irqchip/irq-meson-gpio.c @@ -70,7 +70,7 @@ static const struct meson_gpio_irq_params sm1_params = { .support_edge_both = true, }; -static const struct of_device_id meson_irq_gpio_matches[] = { +static const struct of_device_id meson_irq_gpio_matches[] __maybe_unused = { { .compatible = "amlogic,meson8-gpio-intc", .data = &meson8_params }, { .compatible = "amlogic,meson8b-gpio-intc", .data = &meson8b_params }, { .compatible = "amlogic,meson-gxbb-gpio-intc", .data = &gxbb_params }, diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c index 41ff2e3dc843..0a683a66fc61 100644 --- a/drivers/isdn/hardware/mISDN/hfcpci.c +++ b/drivers/isdn/hardware/mISDN/hfcpci.c @@ -839,7 +839,7 @@ hfcpci_fill_fifo(struct bchannel *bch) *z1t = cpu_to_le16(new_z1); /* now send data */ if (bch->tx_idx < bch->tx_skb->len) return; - dev_kfree_skb(bch->tx_skb); + dev_kfree_skb_any(bch->tx_skb); if (get_next_bframe(bch)) goto next_t_frame; return; @@ -895,7 +895,7 @@ hfcpci_fill_fifo(struct bchannel *bch) } bz->za[new_f1].z1 = cpu_to_le16(new_z1); /* for next buffer */ bz->f1 = new_f1; /* next frame */ - dev_kfree_skb(bch->tx_skb); + dev_kfree_skb_any(bch->tx_skb); get_next_bframe(bch); } @@ -1119,7 +1119,7 @@ tx_birq(struct bchannel *bch) if (bch->tx_skb && bch->tx_idx < bch->tx_skb->len) hfcpci_fill_fifo(bch); else { - dev_kfree_skb(bch->tx_skb); + dev_kfree_skb_any(bch->tx_skb); if (get_next_bframe(bch)) hfcpci_fill_fifo(bch); } @@ -2272,7 +2272,7 @@ _hfcpci_softirq(struct device *dev, void *unused) return 0; if (hc->hw.int_m2 & HFCPCI_IRQ_ENABLE) { - spin_lock(&hc->lock); + spin_lock_irq(&hc->lock); bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1); if (bch && bch->state == ISDN_P_B_RAW) { /* B1 rx&tx */ main_rec_hfcpci(bch); @@ -2283,7 +2283,7 @@ _hfcpci_softirq(struct device *dev, void *unused) main_rec_hfcpci(bch); tx_birq(bch); } - spin_unlock(&hc->lock); + spin_unlock_irq(&hc->lock); } return 0; } diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h index fa09d511a8ed..baf31258f5c9 100644 --- a/drivers/isdn/mISDN/dsp.h +++ b/drivers/isdn/mISDN/dsp.h @@ -247,7 +247,7 @@ extern void dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp); extern int dsp_cmx_conf(struct dsp *dsp, u32 conf_id); extern void dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb); extern void dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb); -extern void dsp_cmx_send(void *arg); +extern void dsp_cmx_send(struct timer_list *arg); extern void dsp_cmx_transmit(struct dsp *dsp, struct sk_buff *skb); extern int dsp_cmx_del_conf_member(struct dsp *dsp); extern int dsp_cmx_del_conf(struct dsp_conf *conf); diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c index 6d2088fbaf69..1b73af501397 100644 --- a/drivers/isdn/mISDN/dsp_cmx.c +++ b/drivers/isdn/mISDN/dsp_cmx.c @@ -1625,7 +1625,7 @@ static u16 dsp_count; /* last sample count */ static int dsp_count_valid; /* if we have last sample count */ void -dsp_cmx_send(void *arg) +dsp_cmx_send(struct timer_list *arg) { struct dsp_conf *conf; struct dsp_conf_member *member; diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c index 038e72a84b33..5b954012e394 100644 --- a/drivers/isdn/mISDN/dsp_core.c +++ b/drivers/isdn/mISDN/dsp_core.c @@ -1200,7 +1200,7 @@ static int __init dsp_init(void) } /* set sample timer */ - timer_setup(&dsp_spl_tl, (void *)dsp_cmx_send, 0); + timer_setup(&dsp_spl_tl, dsp_cmx_send, 0); dsp_spl_tl.expires = jiffies + dsp_tics; dsp_spl_jiffies = dsp_spl_tl.expires; add_timer(&dsp_spl_tl); diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 21f8c0458616..928a67f4e9bf 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -854,7 +854,7 @@ config LEDS_SPI_BYTE config LEDS_TI_LMU_COMMON tristate "LED driver for TI LMU" depends on LEDS_CLASS - depends on REGMAP + select REGMAP help Say Y to enable the LED driver for TI LMU devices. This supports common features between the TI LM3532, LM3631, LM3632, diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index b5a534206edd..1605dcaa89e3 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -86,6 +86,7 @@ config ADB_PMU_LED config ADB_PMU_LED_DISK bool "Use front LED as DISK LED by default" + depends on ATA depends on ADB_PMU_LED depends on LEDS_CLASS select LEDS_TRIGGERS diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c index cb75dc035616..30d53a535d55 100644 --- a/drivers/macintosh/windfarm_smu_sat.c +++ b/drivers/macintosh/windfarm_smu_sat.c @@ -171,6 +171,7 @@ static void wf_sat_release(struct kref *ref) if (sat->nr >= 0) sats[sat->nr] = NULL; + of_node_put(sat->node); kfree(sat); } diff --git a/drivers/mailbox/ti-msgmgr.c b/drivers/mailbox/ti-msgmgr.c index 88047d835211..75f14b624ca2 100644 --- a/drivers/mailbox/ti-msgmgr.c +++ b/drivers/mailbox/ti-msgmgr.c @@ -385,14 +385,20 @@ static int ti_msgmgr_send_data(struct mbox_chan *chan, void *data) /* Ensure all unused data is 0 */ data_trail &= 0xFFFFFFFF >> (8 * (sizeof(u32) - trail_bytes)); writel(data_trail, data_reg); - data_reg++; + data_reg += sizeof(u32); } + /* * 'data_reg' indicates next register to write. If we did not already * write on tx complete reg(last reg), we must do so for transmit + * In addition, we also need to make sure all intermediate data + * registers(if any required), are reset to 0 for TISCI backward + * compatibility to be maintained. */ - if (data_reg <= qinst->queue_buff_end) - writel(0, qinst->queue_buff_end); + while (data_reg <= qinst->queue_buff_end) { + writel(0, data_reg); + data_reg += sizeof(u32); + } return 0; } diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c b/drivers/mailbox/zynqmp-ipi-mailbox.c index 1d0b8abbafc3..bb7bb1738647 100644 --- a/drivers/mailbox/zynqmp-ipi-mailbox.c +++ b/drivers/mailbox/zynqmp-ipi-mailbox.c @@ -110,7 +110,7 @@ struct zynqmp_ipi_pdata { unsigned int method; u32 local_id; int num_mboxes; - struct zynqmp_ipi_mbox *ipi_mboxes; + struct zynqmp_ipi_mbox ipi_mboxes[]; }; static struct device_driver zynqmp_ipi_mbox_driver = { @@ -152,7 +152,7 @@ static irqreturn_t zynqmp_ipi_interrupt(int irq, void *data) struct zynqmp_ipi_message *msg; u64 arg0, arg3; struct arm_smccc_res res; - int ret, i; + int ret, i, status = IRQ_NONE; (void)irq; arg0 = SMC_IPI_MAILBOX_STATUS_ENQUIRY; @@ -170,11 +170,11 @@ static irqreturn_t zynqmp_ipi_interrupt(int irq, void *data) memcpy_fromio(msg->data, mchan->req_buf, msg->len); mbox_chan_received_data(chan, (void *)msg); - return IRQ_HANDLED; + status = IRQ_HANDLED; } } } - return IRQ_NONE; + return status; } /** @@ -634,8 +634,13 @@ static int zynqmp_ipi_probe(struct platform_device *pdev) struct zynqmp_ipi_mbox *mbox; int num_mboxes, ret = -EINVAL; - num_mboxes = of_get_child_count(np); - pdata = devm_kzalloc(dev, sizeof(*pdata) + (num_mboxes * sizeof(*mbox)), + num_mboxes = of_get_available_child_count(np); + if (num_mboxes == 0) { + dev_err(dev, "mailbox nodes not available\n"); + return -EINVAL; + } + + pdata = devm_kzalloc(dev, struct_size(pdata, ipi_mboxes, num_mboxes), GFP_KERNEL); if (!pdata) return -ENOMEM; @@ -649,8 +654,6 @@ static int zynqmp_ipi_probe(struct platform_device *pdev) } pdata->num_mboxes = num_mboxes; - pdata->ipi_mboxes = (struct zynqmp_ipi_mbox *) - ((char *)pdata + sizeof(*pdata)); mbox = pdata->ipi_mboxes; for_each_available_child_of_node(np, nc) { diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c index 14866aa22f75..22927c80ff46 100644 --- a/drivers/mcb/mcb-pci.c +++ b/drivers/mcb/mcb-pci.c @@ -31,7 +31,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct resource *res; struct priv *priv; - int ret; + int ret, table_size; unsigned long flags; priv = devm_kzalloc(&pdev->dev, sizeof(struct priv), GFP_KERNEL); @@ -90,7 +90,30 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (ret < 0) goto out_mcb_bus; - dev_dbg(&pdev->dev, "Found %d cells\n", ret); + table_size = ret; + + if (table_size < CHAM_HEADER_SIZE) { + /* Release the previous resources */ + devm_iounmap(&pdev->dev, priv->base); + devm_release_mem_region(&pdev->dev, priv->mapbase, CHAM_HEADER_SIZE); + + /* Then, allocate it again with the actual chameleon table size */ + res = devm_request_mem_region(&pdev->dev, priv->mapbase, + table_size, + KBUILD_MODNAME); + if (!res) { + dev_err(&pdev->dev, "Failed to request PCI memory\n"); + ret = -EBUSY; + goto out_mcb_bus; + } + + priv->base = devm_ioremap(&pdev->dev, priv->mapbase, table_size); + if (!priv->base) { + dev_err(&pdev->dev, "Cannot ioremap\n"); + ret = -ENOMEM; + goto out_mcb_bus; + } + } mcb_bus_add_devices(priv->bus); diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index a1df0d95151c..5310e1f4a282 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -49,7 +49,7 @@ * * bch_bucket_alloc() allocates a single bucket from a specific cache. * - * bch_bucket_alloc_set() allocates one or more buckets from different caches + * bch_bucket_alloc_set() allocates one bucket from different caches * out of a cache set. * * free_some_buckets() drives all the processes described above. It's called @@ -488,34 +488,29 @@ void bch_bucket_free(struct cache_set *c, struct bkey *k) } int __bch_bucket_alloc_set(struct cache_set *c, unsigned int reserve, - struct bkey *k, int n, bool wait) + struct bkey *k, bool wait) { - int i; + struct cache *ca; + long b; /* No allocation if CACHE_SET_IO_DISABLE bit is set */ if (unlikely(test_bit(CACHE_SET_IO_DISABLE, &c->flags))) return -1; lockdep_assert_held(&c->bucket_lock); - BUG_ON(!n || n > c->caches_loaded || n > MAX_CACHES_PER_SET); bkey_init(k); - /* sort by free space/prio of oldest data in caches */ + ca = c->cache_by_alloc[0]; + b = bch_bucket_alloc(ca, reserve, wait); + if (b == -1) + goto err; - for (i = 0; i < n; i++) { - struct cache *ca = c->cache_by_alloc[i]; - long b = bch_bucket_alloc(ca, reserve, wait); + k->ptr[0] = MAKE_PTR(ca->buckets[b].gen, + bucket_to_sector(c, b), + ca->sb.nr_this_dev); - if (b == -1) - goto err; - - k->ptr[i] = MAKE_PTR(ca->buckets[b].gen, - bucket_to_sector(c, b), - ca->sb.nr_this_dev); - - SET_KEY_PTRS(k, i + 1); - } + SET_KEY_PTRS(k, 1); return 0; err: @@ -525,12 +520,12 @@ err: } int bch_bucket_alloc_set(struct cache_set *c, unsigned int reserve, - struct bkey *k, int n, bool wait) + struct bkey *k, bool wait) { int ret; mutex_lock(&c->bucket_lock); - ret = __bch_bucket_alloc_set(c, reserve, k, n, wait); + ret = __bch_bucket_alloc_set(c, reserve, k, wait); mutex_unlock(&c->bucket_lock); return ret; } @@ -638,7 +633,7 @@ bool bch_alloc_sectors(struct cache_set *c, spin_unlock(&c->data_bucket_lock); - if (bch_bucket_alloc_set(c, watermark, &alloc.key, 1, wait)) + if (bch_bucket_alloc_set(c, watermark, &alloc.key, wait)) return false; spin_lock(&c->data_bucket_lock); diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 36de6f7ddf22..1dd9298cb0e0 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -970,9 +970,9 @@ void bch_bucket_free(struct cache_set *c, struct bkey *k); long bch_bucket_alloc(struct cache *ca, unsigned int reserve, bool wait); int __bch_bucket_alloc_set(struct cache_set *c, unsigned int reserve, - struct bkey *k, int n, bool wait); + struct bkey *k, bool wait); int bch_bucket_alloc_set(struct cache_set *c, unsigned int reserve, - struct bkey *k, int n, bool wait); + struct bkey *k, bool wait); bool bch_alloc_sectors(struct cache_set *c, struct bkey *k, unsigned int sectors, unsigned int write_point, unsigned int write_prio, bool wait); diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 5a33910aea78..cc0c1f2bba45 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -1137,11 +1137,13 @@ struct btree *__bch_btree_node_alloc(struct cache_set *c, struct btree_op *op, struct btree *parent) { BKEY_PADDED(key) k; - struct btree *b = ERR_PTR(-EAGAIN); + struct btree *b; mutex_lock(&c->bucket_lock); retry: - if (__bch_bucket_alloc_set(c, RESERVE_BTREE, &k.key, 1, wait)) + /* return ERR_PTR(-EAGAIN) when it fails */ + b = ERR_PTR(-EAGAIN); + if (__bch_bucket_alloc_set(c, RESERVE_BTREE, &k.key, wait)) goto err; bkey_put(c, &k.key); @@ -1186,7 +1188,7 @@ static struct btree *btree_node_alloc_replacement(struct btree *b, { struct btree *n = bch_btree_node_alloc(b->c, op, b->level, b->parent); - if (!IS_ERR_OR_NULL(n)) { + if (!IS_ERR(n)) { mutex_lock(&n->write_lock); bch_btree_sort_into(&b->keys, &n->keys, &b->c->sort); bkey_copy_key(&n->key, &b->key); @@ -1389,7 +1391,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op, memset(new_nodes, 0, sizeof(new_nodes)); closure_init_stack(&cl); - while (nodes < GC_MERGE_NODES && !IS_ERR_OR_NULL(r[nodes].b)) + while (nodes < GC_MERGE_NODES && !IS_ERR(r[nodes].b)) keys += r[nodes++].keys; blocks = btree_default_blocks(b->c) * 2 / 3; @@ -1401,7 +1403,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op, for (i = 0; i < nodes; i++) { new_nodes[i] = btree_node_alloc_replacement(r[i].b, NULL); - if (IS_ERR_OR_NULL(new_nodes[i])) + if (IS_ERR(new_nodes[i])) goto out_nocoalesce; } @@ -1536,7 +1538,7 @@ out_nocoalesce: bch_keylist_free(&keylist); for (i = 0; i < nodes; i++) - if (!IS_ERR_OR_NULL(new_nodes[i])) { + if (!IS_ERR(new_nodes[i])) { btree_node_free(new_nodes[i]); rw_unlock(true, new_nodes[i]); } @@ -1718,7 +1720,7 @@ static int bch_btree_gc_root(struct btree *b, struct btree_op *op, if (should_rewrite) { n = btree_node_alloc_replacement(b, NULL); - if (!IS_ERR_OR_NULL(n)) { + if (!IS_ERR(n)) { bch_btree_node_write_sync(n); bch_btree_set_root(n); diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index efdf6ce0443e..6afaa5e85283 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -428,7 +428,7 @@ static int __uuid_write(struct cache_set *c) closure_init_stack(&cl); lockdep_assert_held(&bch_register_lock); - if (bch_bucket_alloc_set(c, RESERVE_BTREE, &k.key, 1, true)) + if (bch_bucket_alloc_set(c, RESERVE_BTREE, &k.key, true)) return 1; SET_KEY_SIZE(&k.key, c->sb.bucket_size); @@ -1633,7 +1633,7 @@ static void cache_set_flush(struct closure *cl) if (!IS_ERR_OR_NULL(c->gc_thread)) kthread_stop(c->gc_thread); - if (!IS_ERR_OR_NULL(c->root)) + if (!IS_ERR(c->root)) list_add(&c->root->list, &c->btree_cache); /* @@ -2000,7 +2000,7 @@ static int run_cache_set(struct cache_set *c) err = "cannot allocate new btree root"; c->root = __bch_btree_node_alloc(c, NULL, 0, true, NULL); - if (IS_ERR_OR_NULL(c->root)) + if (IS_ERR(c->root)) goto err; mutex_lock(&c->root->write_lock); diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c index b61aac00ff40..859073193f5b 100644 --- a/drivers/md/dm-cache-policy-smq.c +++ b/drivers/md/dm-cache-policy-smq.c @@ -854,7 +854,13 @@ struct smq_policy { struct background_tracker *bg_work; - bool migrations_allowed; + bool migrations_allowed:1; + + /* + * If this is set the policy will try and clean the whole cache + * even if the device is not idle. + */ + bool cleaner:1; }; /*----------------------------------------------------------------*/ @@ -1133,7 +1139,7 @@ static bool clean_target_met(struct smq_policy *mq, bool idle) * Cache entries may not be populated. So we cannot rely on the * size of the clean queue. */ - if (idle) { + if (idle || mq->cleaner) { /* * We'd like to clean everything. */ @@ -1716,11 +1722,9 @@ static void calc_hotspot_params(sector_t origin_size, *hotspot_block_size /= 2u; } -static struct dm_cache_policy *__smq_create(dm_cblock_t cache_size, - sector_t origin_size, - sector_t cache_block_size, - bool mimic_mq, - bool migrations_allowed) +static struct dm_cache_policy * +__smq_create(dm_cblock_t cache_size, sector_t origin_size, sector_t cache_block_size, + bool mimic_mq, bool migrations_allowed, bool cleaner) { unsigned i; unsigned nr_sentinels_per_queue = 2u * NR_CACHE_LEVELS; @@ -1807,6 +1811,7 @@ static struct dm_cache_policy *__smq_create(dm_cblock_t cache_size, goto bad_btracker; mq->migrations_allowed = migrations_allowed; + mq->cleaner = cleaner; return &mq->policy; @@ -1830,21 +1835,24 @@ static struct dm_cache_policy *smq_create(dm_cblock_t cache_size, sector_t origin_size, sector_t cache_block_size) { - return __smq_create(cache_size, origin_size, cache_block_size, false, true); + return __smq_create(cache_size, origin_size, cache_block_size, + false, true, false); } static struct dm_cache_policy *mq_create(dm_cblock_t cache_size, sector_t origin_size, sector_t cache_block_size) { - return __smq_create(cache_size, origin_size, cache_block_size, true, true); + return __smq_create(cache_size, origin_size, cache_block_size, + true, true, false); } static struct dm_cache_policy *cleaner_create(dm_cblock_t cache_size, sector_t origin_size, sector_t cache_block_size) { - return __smq_create(cache_size, origin_size, cache_block_size, false, false); + return __smq_create(cache_size, origin_size, cache_block_size, + false, false, true); } /*----------------------------------------------------------------*/ diff --git a/drivers/md/dm-clone-target.c b/drivers/md/dm-clone-target.c index ce9d03f4e981..355afca2969d 100644 --- a/drivers/md/dm-clone-target.c +++ b/drivers/md/dm-clone-target.c @@ -2232,6 +2232,7 @@ static int __init dm_clone_init(void) r = dm_register_target(&clone_target); if (r < 0) { DMERR("Failed to register clone target"); + kmem_cache_destroy(_hydration_cache); return r; } diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c index 53f7ba29c525..0714cd98eaaa 100644 --- a/drivers/md/dm-flakey.c +++ b/drivers/md/dm-flakey.c @@ -124,9 +124,9 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc, * Direction r or w? */ arg_name = dm_shift_arg(as); - if (!strcasecmp(arg_name, "w")) + if (arg_name && !strcasecmp(arg_name, "w")) fc->corrupt_bio_rw = WRITE; - else if (!strcasecmp(arg_name, "r")) + else if (arg_name && !strcasecmp(arg_name, "r")) fc->corrupt_bio_rw = READ; else { ti->error = "Invalid corrupt bio direction (r or w)"; diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 3c9a2be97e55..d7911c623edd 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -4288,11 +4288,13 @@ static int __init dm_integrity_init(void) } r = dm_register_target(&integrity_target); - - if (r < 0) + if (r < 0) { DMERR("register failed %d", r); + kmem_cache_destroy(journal_io_cache); + return r; + } - return r; + return 0; } static void __exit dm_integrity_exit(void) diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 81ffc59d05c9..4312007d2d34 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -306,7 +306,7 @@ static void do_region(int op, int op_flags, unsigned region, struct request_queue *q = bdev_get_queue(where->bdev); unsigned short logical_block_size = queue_logical_block_size(q); sector_t num_sectors; - unsigned int uninitialized_var(special_cmd_max_sectors); + unsigned int special_cmd_max_sectors; /* * Reject unsupported discard and write same requests. diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index bcb282f11053..8e787677a810 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1435,11 +1435,12 @@ static int table_clear(struct file *filp, struct dm_ioctl *param, size_t param_s hc->new_map = NULL; } - param->flags &= ~DM_INACTIVE_PRESENT_FLAG; - - __dev_status(hc->md, param); md = hc->md; up_write(&_hash_lock); + + param->flags &= ~DM_INACTIVE_PRESENT_FLAG; + __dev_status(md, param); + if (old_map) { dm_sync_table(md); dm_table_destroy(old_map); @@ -1847,7 +1848,7 @@ static int ctl_ioctl(struct file *file, uint command, struct dm_ioctl __user *us int ioctl_flags; int param_flags; unsigned int cmd; - struct dm_ioctl *uninitialized_var(param); + struct dm_ioctl *param; ioctl_fn fn = NULL; size_t input_param_size; struct dm_ioctl param_kernel; diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 882e83d51ef4..9f05ae2b9019 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -3284,15 +3284,19 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv) /* Try to adjust the raid4/5/6 stripe cache size to the stripe size */ if (rs_is_raid456(rs)) { r = rs_set_raid456_stripe_cache(rs); - if (r) + if (r) { + mddev_unlock(&rs->md); goto bad_stripe_cache; + } } /* Now do an early reshape check */ if (test_bit(RT_FLAG_RESHAPE_RS, &rs->runtime_flags)) { r = rs_check_reshape(rs); - if (r) + if (r) { + mddev_unlock(&rs->md); goto bad_check_reshape; + } /* Restore new, ctr requested layout to perform check */ rs_config_restore(rs, &rs_layout); @@ -3301,6 +3305,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv) r = rs->md.pers->check_reshape(&rs->md); if (r) { ti->error = "Reshape check failed"; + mddev_unlock(&rs->md); goto bad_check_reshape; } } diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index 963d3774c93e..247089c2be25 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -613,7 +613,7 @@ static int persistent_read_metadata(struct dm_exception_store *store, chunk_t old, chunk_t new), void *callback_context) { - int r, uninitialized_var(new_snapshot); + int r, new_snapshot; struct pstore *ps = get_info(store); /* diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 6133d7d15122..093595c02536 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -670,7 +670,7 @@ static int validate_hardware_logical_block_alignment(struct dm_table *table, */ unsigned short remaining = 0; - struct dm_target *uninitialized_var(ti); + struct dm_target *ti; struct queue_limits ti_limits; unsigned i; diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index 8327c169cf37..87c19ff18c38 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -500,7 +500,7 @@ static int verity_verify_io(struct dm_verity_io *io) sector_t cur_block = io->block + b; struct ahash_request *req = verity_io_hash_req(v, io); - if (v->validated_blocks && + if (v->validated_blocks && bio->bi_status == BLK_STS_OK && likely(test_bit(cur_block, v->validated_blocks))) { verity_bv_skip_block(v, io, &io->iter); continue; diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index 0545cdccf636..bea8265ce9b8 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -54,14 +54,7 @@ __acquires(bitmap->lock) { unsigned char *mappage; - if (page >= bitmap->pages) { - /* This can happen if bitmap_start_sync goes beyond - * End-of-device while looking for a whole page. - * It is harmless. - */ - return -EINVAL; - } - + WARN_ON_ONCE(page >= bitmap->pages); if (bitmap->bp[page].hijacked) /* it's hijacked, don't try to alloc */ return 0; @@ -1369,6 +1362,14 @@ __acquires(bitmap->lock) sector_t csize; int err; + if (page >= bitmap->pages) { + /* + * This can happen if bitmap_start_sync goes beyond + * End-of-device while looking for a whole page or + * user set a huge number to sysfs bitmap_set_bits. + */ + return NULL; + } err = md_bitmap_checkpage(bitmap, page, create, 0); if (bitmap->bp[page].hijacked || diff --git a/drivers/md/md.c b/drivers/md/md.c index 64558991ce0a..a006f3a9554b 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3766,8 +3766,9 @@ int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale) static ssize_t safe_delay_show(struct mddev *mddev, char *page) { - int msec = (mddev->safemode_delay*1000)/HZ; - return sprintf(page, "%d.%03d\n", msec/1000, msec%1000); + unsigned int msec = ((unsigned long)mddev->safemode_delay*1000)/HZ; + + return sprintf(page, "%u.%03u\n", msec/1000, msec%1000); } static ssize_t safe_delay_store(struct mddev *mddev, const char *cbuf, size_t len) @@ -3779,7 +3780,7 @@ safe_delay_store(struct mddev *mddev, const char *cbuf, size_t len) return -EINVAL; } - if (strict_strtoul_scaled(cbuf, &msec, 3) < 0) + if (strict_strtoul_scaled(cbuf, &msec, 3) < 0 || msec > UINT_MAX / HZ) return -EINVAL; if (msec == 0) mddev->safemode_delay = 0; @@ -4440,6 +4441,8 @@ max_corrected_read_errors_store(struct mddev *mddev, const char *buf, size_t len rv = kstrtouint(buf, 10, &n); if (rv < 0) return rv; + if (n > INT_MAX) + return -EINVAL; atomic_set(&mddev->max_corr_read_errors, n); return len; } @@ -4740,11 +4743,21 @@ action_store(struct mddev *mddev, const char *page, size_t len) return -EINVAL; err = mddev_lock(mddev); if (!err) { - if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) + if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) { err = -EBUSY; - else { + } else if (mddev->reshape_position == MaxSector || + mddev->pers->check_reshape == NULL || + mddev->pers->check_reshape(mddev)) { clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); err = mddev->pers->start_reshape(mddev); + } else { + /* + * If reshape is still in progress, and + * md_check_recovery() can continue to reshape, + * don't restart reshape because data can be + * corrupted for raid456. + */ + clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); } mddev_unlock(mddev); } diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 8cbaa99e5b98..7f80e86459b1 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -289,6 +289,18 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) goto abort; } + if (conf->layout == RAID0_ORIG_LAYOUT) { + for (i = 1; i < conf->nr_strip_zones; i++) { + sector_t first_sector = conf->strip_zone[i-1].zone_end; + + sector_div(first_sector, mddev->chunk_sectors); + zone = conf->strip_zone + i; + /* disk_shift is first disk index used in the zone */ + zone->disk_shift = sector_div(first_sector, + zone->nb_dev); + } + } + pr_debug("md/raid0:%s: done.\n", mdname(mddev)); *private_conf = conf; @@ -475,6 +487,20 @@ static inline int is_io_in_chunk_boundary(struct mddev *mddev, } } +/* + * Convert disk_index to the disk order in which it is read/written. + * For example, if we have 4 disks, they are numbered 0,1,2,3. If we + * write the disks starting at disk 3, then the read/write order would + * be disk 3, then 0, then 1, and then disk 2 and we want map_disk_shift() + * to map the disks as follows 0,1,2,3 => 1,2,3,0. So disk 0 would map + * to 1, 1 to 2, 2 to 3, and 3 to 0. That way we can compare disks in + * that 'output' space to understand the read/write disk ordering. + */ +static int map_disk_shift(int disk_index, int num_disks, int disk_shift) +{ + return ((disk_index + num_disks - disk_shift) % num_disks); +} + static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) { struct r0conf *conf = mddev->private; @@ -488,7 +514,9 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) sector_t end_disk_offset; unsigned int end_disk_index; unsigned int disk; + sector_t orig_start, orig_end; + orig_start = start; zone = find_zone(conf, &start); if (bio_end_sector(bio) > zone->zone_end) { @@ -502,6 +530,7 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) } else end = bio_end_sector(bio); + orig_end = end; if (zone != conf->strip_zone) end = end - zone[-1].zone_end; @@ -513,13 +542,26 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) last_stripe_index = end; sector_div(last_stripe_index, stripe_size); - start_disk_index = (int)(start - first_stripe_index * stripe_size) / - mddev->chunk_sectors; + /* In the first zone the original and alternate layouts are the same */ + if ((conf->layout == RAID0_ORIG_LAYOUT) && (zone != conf->strip_zone)) { + sector_div(orig_start, mddev->chunk_sectors); + start_disk_index = sector_div(orig_start, zone->nb_dev); + start_disk_index = map_disk_shift(start_disk_index, + zone->nb_dev, + zone->disk_shift); + sector_div(orig_end, mddev->chunk_sectors); + end_disk_index = sector_div(orig_end, zone->nb_dev); + end_disk_index = map_disk_shift(end_disk_index, + zone->nb_dev, zone->disk_shift); + } else { + start_disk_index = (int)(start - first_stripe_index * stripe_size) / + mddev->chunk_sectors; + end_disk_index = (int)(end - last_stripe_index * stripe_size) / + mddev->chunk_sectors; + } start_disk_offset = ((int)(start - first_stripe_index * stripe_size) % mddev->chunk_sectors) + first_stripe_index * mddev->chunk_sectors; - end_disk_index = (int)(end - last_stripe_index * stripe_size) / - mddev->chunk_sectors; end_disk_offset = ((int)(end - last_stripe_index * stripe_size) % mddev->chunk_sectors) + last_stripe_index * mddev->chunk_sectors; @@ -528,18 +570,22 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) sector_t dev_start, dev_end; struct bio *discard_bio = NULL; struct md_rdev *rdev; + int compare_disk; - if (disk < start_disk_index) + compare_disk = map_disk_shift(disk, zone->nb_dev, + zone->disk_shift); + + if (compare_disk < start_disk_index) dev_start = (first_stripe_index + 1) * mddev->chunk_sectors; - else if (disk > start_disk_index) + else if (compare_disk > start_disk_index) dev_start = first_stripe_index * mddev->chunk_sectors; else dev_start = start_disk_offset; - if (disk < end_disk_index) + if (compare_disk < end_disk_index) dev_end = (last_stripe_index + 1) * mddev->chunk_sectors; - else if (disk > end_disk_index) + else if (compare_disk > end_disk_index) dev_end = last_stripe_index * mddev->chunk_sectors; else dev_end = end_disk_offset; diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h index 3816e5477db1..8cc761ca7423 100644 --- a/drivers/md/raid0.h +++ b/drivers/md/raid0.h @@ -6,6 +6,7 @@ struct strip_zone { sector_t zone_end; /* Start of the next zone (in sectors) */ sector_t dev_start; /* Zone offset in real dev (in sectors) */ int nb_dev; /* # of devices attached to the zone */ + int disk_shift; /* start disk for the original layout */ }; /* Linux 3.14 (20d0189b101) made an unintended change to diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 9fcc141e1ad6..3983d5c8b5cd 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -751,8 +751,16 @@ static struct md_rdev *read_balance(struct r10conf *conf, disk = r10_bio->devs[slot].devnum; rdev = rcu_dereference(conf->mirrors[disk].replacement); if (rdev == NULL || test_bit(Faulty, &rdev->flags) || - r10_bio->devs[slot].addr + sectors > rdev->recovery_offset) + r10_bio->devs[slot].addr + sectors > + rdev->recovery_offset) { + /* + * Read replacement first to prevent reading both rdev + * and replacement as NULL during replacement replace + * rdev. + */ + smp_mb(); rdev = rcu_dereference(conf->mirrors[disk].rdev); + } if (rdev == NULL || test_bit(Faulty, &rdev->flags)) continue; @@ -919,6 +927,7 @@ static void flush_pending_writes(struct r10conf *conf) else generic_make_request(bio); bio = next; + cond_resched(); } blk_finish_plug(&plug); } else @@ -1104,6 +1113,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule) else generic_make_request(bio); bio = next; + cond_resched(); } kfree(plug); } @@ -1363,9 +1373,15 @@ retry_write: for (i = 0; i < conf->copies; i++) { int d = r10_bio->devs[i].devnum; - struct md_rdev *rdev = rcu_dereference(conf->mirrors[d].rdev); - struct md_rdev *rrdev = rcu_dereference( - conf->mirrors[d].replacement); + struct md_rdev *rdev, *rrdev; + + rrdev = rcu_dereference(conf->mirrors[d].replacement); + /* + * Read replacement first to prevent reading both rdev and + * replacement as NULL during replacement replace rdev. + */ + smp_mb(); + rdev = rcu_dereference(conf->mirrors[d].rdev); if (rdev == rrdev) rrdev = NULL; if (rdev && unlikely(test_bit(Blocked, &rdev->flags))) { @@ -2229,11 +2245,22 @@ static void recovery_request_write(struct mddev *mddev, struct r10bio *r10_bio) { struct r10conf *conf = mddev->private; int d; - struct bio *wbio, *wbio2; + struct bio *wbio = r10_bio->devs[1].bio; + struct bio *wbio2 = r10_bio->devs[1].repl_bio; + + /* Need to test wbio2->bi_end_io before we call + * generic_make_request as if the former is NULL, + * the latter is free to free wbio2. + */ + if (wbio2 && !wbio2->bi_end_io) + wbio2 = NULL; if (!test_bit(R10BIO_Uptodate, &r10_bio->state)) { fix_recovery_read_error(r10_bio); - end_sync_request(r10_bio); + if (wbio->bi_end_io) + end_sync_request(r10_bio); + if (wbio2) + end_sync_request(r10_bio); return; } @@ -2242,14 +2269,6 @@ static void recovery_request_write(struct mddev *mddev, struct r10bio *r10_bio) * and submit the write request */ d = r10_bio->devs[1].devnum; - wbio = r10_bio->devs[1].bio; - wbio2 = r10_bio->devs[1].repl_bio; - /* Need to test wbio2->bi_end_io before we call - * generic_make_request as if the former is NULL, - * the latter is free to free wbio2. - */ - if (wbio2 && !wbio2->bi_end_io) - wbio2 = NULL; if (wbio->bi_end_io) { atomic_inc(&conf->mirrors[d].rdev->nr_pending); md_sync_acct(conf->mirrors[d].rdev->bdev, bio_sectors(wbio)); @@ -2917,10 +2936,6 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, sector_t chunk_mask = conf->geo.chunk_mask; int page_idx = 0; - if (!mempool_initialized(&conf->r10buf_pool)) - if (init_resync(conf)) - return 0; - /* * Allow skipping a full rebuild for incremental assembly * of a clean array, like RAID1 does. @@ -2936,6 +2951,10 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, return mddev->dev_sectors - sector_nr; } + if (!mempool_initialized(&conf->r10buf_pool)) + if (init_resync(conf)) + return 0; + skipped: max_sector = mddev->dev_sectors; if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery) || @@ -3051,7 +3070,6 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, int must_sync; int any_working; int need_recover = 0; - int need_replace = 0; struct raid10_info *mirror = &conf->mirrors[i]; struct md_rdev *mrdev, *mreplace; @@ -3063,11 +3081,10 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, !test_bit(Faulty, &mrdev->flags) && !test_bit(In_sync, &mrdev->flags)) need_recover = 1; - if (mreplace != NULL && - !test_bit(Faulty, &mreplace->flags)) - need_replace = 1; + if (mreplace && test_bit(Faulty, &mreplace->flags)) + mreplace = NULL; - if (!need_recover && !need_replace) { + if (!need_recover && !mreplace) { rcu_read_unlock(); continue; } @@ -3083,8 +3100,6 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, rcu_read_unlock(); continue; } - if (mreplace && test_bit(Faulty, &mreplace->flags)) - mreplace = NULL; /* Unless we are doing a full sync, or a replacement * we only need to recover the block if it is set in * the bitmap @@ -3207,11 +3222,11 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, bio = r10_bio->devs[1].repl_bio; if (bio) bio->bi_end_io = NULL; - /* Note: if need_replace, then bio + /* Note: if replace is not NULL, then bio * cannot be NULL as r10buf_pool_alloc will * have allocated it. */ - if (!need_replace) + if (!mreplace) break; bio->bi_next = biolist; biolist = bio; @@ -3632,6 +3647,20 @@ static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new) return nc*fc; } +static void raid10_free_conf(struct r10conf *conf) +{ + if (!conf) + return; + + mempool_exit(&conf->r10bio_pool); + kfree(conf->mirrors); + kfree(conf->mirrors_old); + kfree(conf->mirrors_new); + safe_put_page(conf->tmppage); + bioset_exit(&conf->bio_split); + kfree(conf); +} + static struct r10conf *setup_conf(struct mddev *mddev) { struct r10conf *conf = NULL; @@ -3714,20 +3743,24 @@ static struct r10conf *setup_conf(struct mddev *mddev) return conf; out: - if (conf) { - mempool_exit(&conf->r10bio_pool); - kfree(conf->mirrors); - safe_put_page(conf->tmppage); - bioset_exit(&conf->bio_split); - kfree(conf); - } + raid10_free_conf(conf); return ERR_PTR(err); } +static void raid10_set_io_opt(struct r10conf *conf) +{ + int raid_disks = conf->geo.raid_disks; + + if (!(conf->geo.raid_disks % conf->geo.near_copies)) + raid_disks /= conf->geo.near_copies; + blk_queue_io_opt(conf->mddev->queue, (conf->mddev->chunk_sectors << 9) * + raid_disks); +} + static int raid10_run(struct mddev *mddev) { struct r10conf *conf; - int i, disk_idx, chunk_size; + int i, disk_idx; struct raid10_info *disk; struct md_rdev *rdev; sector_t size; @@ -3748,6 +3781,9 @@ static int raid10_run(struct mddev *mddev) if (!conf) goto out; + mddev->thread = conf->thread; + conf->thread = NULL; + if (mddev_is_clustered(conf->mddev)) { int fc, fo; @@ -3760,21 +3796,13 @@ static int raid10_run(struct mddev *mddev) } } - mddev->thread = conf->thread; - conf->thread = NULL; - - chunk_size = mddev->chunk_sectors << 9; if (mddev->queue) { blk_queue_max_discard_sectors(mddev->queue, mddev->chunk_sectors); blk_queue_max_write_same_sectors(mddev->queue, 0); blk_queue_max_write_zeroes_sectors(mddev->queue, 0); - blk_queue_io_min(mddev->queue, chunk_size); - if (conf->geo.raid_disks % conf->geo.near_copies) - blk_queue_io_opt(mddev->queue, chunk_size * conf->geo.raid_disks); - else - blk_queue_io_opt(mddev->queue, chunk_size * - (conf->geo.raid_disks / conf->geo.near_copies)); + blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9); + raid10_set_io_opt(conf); } rdev_for_each(rdev, mddev) { @@ -3934,10 +3962,7 @@ static int raid10_run(struct mddev *mddev) out_free_conf: md_unregister_thread(&mddev->thread); - mempool_exit(&conf->r10bio_pool); - safe_put_page(conf->tmppage); - kfree(conf->mirrors); - kfree(conf); + raid10_free_conf(conf); mddev->private = NULL; out: return -EIO; @@ -3945,15 +3970,7 @@ out: static void raid10_free(struct mddev *mddev, void *priv) { - struct r10conf *conf = priv; - - mempool_exit(&conf->r10bio_pool); - safe_put_page(conf->tmppage); - kfree(conf->mirrors); - kfree(conf->mirrors_old); - kfree(conf->mirrors_new); - bioset_exit(&conf->bio_split); - kfree(conf); + raid10_free_conf(priv); } static void raid10_quiesce(struct mddev *mddev, int quiesce) @@ -4748,6 +4765,7 @@ static void end_reshape(struct r10conf *conf) stripe /= conf->geo.near_copies; if (conf->mddev->queue->backing_dev_info->ra_pages < 2 * stripe) conf->mddev->queue->backing_dev_info->ra_pages = 2 * stripe; + raid10_set_io_opt(conf); } conf->fullsync = 0; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index d0c3f49c8c16..f3d60c4b34b8 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2599,7 +2599,7 @@ static void raid5_end_write_request(struct bio *bi) struct stripe_head *sh = bi->bi_private; struct r5conf *conf = sh->raid_conf; int disks = sh->disks, i; - struct md_rdev *uninitialized_var(rdev); + struct md_rdev *rdev; sector_t first_bad; int bad_sectors; int replacement = 0; @@ -7159,6 +7159,12 @@ static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded return 0; } +static void raid5_set_io_opt(struct r5conf *conf) +{ + blk_queue_io_opt(conf->mddev->queue, (conf->chunk_sectors << 9) * + (conf->raid_disks - conf->max_degraded)); +} + static int raid5_run(struct mddev *mddev) { struct r5conf *conf; @@ -7448,8 +7454,7 @@ static int raid5_run(struct mddev *mddev) chunk_size = mddev->chunk_sectors << 9; blk_queue_io_min(mddev->queue, chunk_size); - blk_queue_io_opt(mddev->queue, chunk_size * - (conf->raid_disks - conf->max_degraded)); + raid5_set_io_opt(conf); mddev->queue->limits.raid_partial_stripes_expensive = 1; /* * We can only discard a whole stripe. It doesn't make sense to @@ -8043,6 +8048,7 @@ static void end_reshape(struct r5conf *conf) / PAGE_SIZE); if (conf->mddev->queue->backing_dev_info->ra_pages < 2 * stripe) conf->mddev->queue->backing_dev_info->ra_pages = 2 * stripe; + raid5_set_io_opt(conf); } } } diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index c665f7d20c44..4c1770b8128c 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1077,7 +1077,8 @@ void cec_received_msg_ts(struct cec_adapter *adap, mutex_lock(&adap->lock); dprintk(2, "%s: %*ph\n", __func__, msg->len, msg->msg); - adap->last_initiator = 0xff; + if (!adap->transmit_in_progress) + adap->last_initiator = 0xff; /* Check if this message was for us (directed or broadcast). */ if (!cec_msg_is_broadcast(msg)) diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index fd476536d32e..dec036e0336c 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -151,6 +151,12 @@ struct dvb_ca_private { /* mutex serializing ioctls */ struct mutex ioctl_mutex; + + /* A mutex used when a device is disconnected */ + struct mutex remove_mutex; + + /* Whether the device is disconnected */ + int exit; }; static void dvb_ca_private_free(struct dvb_ca_private *ca) @@ -187,7 +193,7 @@ static void dvb_ca_en50221_thread_wakeup(struct dvb_ca_private *ca); static int dvb_ca_en50221_read_data(struct dvb_ca_private *ca, int slot, u8 *ebuf, int ecount); static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot, - u8 *ebuf, int ecount); + u8 *ebuf, int ecount, int size_write_flag); /** * Safely find needle in haystack. @@ -370,7 +376,7 @@ static int dvb_ca_en50221_link_init(struct dvb_ca_private *ca, int slot) ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_FR, HZ / 10); if (ret) return ret; - ret = dvb_ca_en50221_write_data(ca, slot, buf, 2); + ret = dvb_ca_en50221_write_data(ca, slot, buf, 2, CMDREG_SW); if (ret != 2) return -EIO; ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN); @@ -778,11 +784,13 @@ exit: * @buf: The data in this buffer is treated as a complete link-level packet to * be written. * @bytes_write: Size of ebuf. + * @size_write_flag: A flag on Command Register which says whether the link size + * information will be writen or not. * * return: Number of bytes written, or < 0 on error. */ static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot, - u8 *buf, int bytes_write) + u8 *buf, int bytes_write, int size_write_flag) { struct dvb_ca_slot *sl = &ca->slot_info[slot]; int status; @@ -817,7 +825,7 @@ static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot, /* OK, set HC bit */ status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, - IRQEN | CMDREG_HC); + IRQEN | CMDREG_HC | size_write_flag); if (status) goto exit; @@ -1505,7 +1513,7 @@ static ssize_t dvb_ca_en50221_io_write(struct file *file, mutex_lock(&sl->slot_lock); status = dvb_ca_en50221_write_data(ca, slot, fragbuf, - fraglen + 2); + fraglen + 2, 0); mutex_unlock(&sl->slot_lock); if (status == (fraglen + 2)) { written = 1; @@ -1706,12 +1714,22 @@ static int dvb_ca_en50221_io_open(struct inode *inode, struct file *file) dprintk("%s\n", __func__); - if (!try_module_get(ca->pub->owner)) + mutex_lock(&ca->remove_mutex); + + if (ca->exit) { + mutex_unlock(&ca->remove_mutex); + return -ENODEV; + } + + if (!try_module_get(ca->pub->owner)) { + mutex_unlock(&ca->remove_mutex); return -EIO; + } err = dvb_generic_open(inode, file); if (err < 0) { module_put(ca->pub->owner); + mutex_unlock(&ca->remove_mutex); return err; } @@ -1736,6 +1754,7 @@ static int dvb_ca_en50221_io_open(struct inode *inode, struct file *file) dvb_ca_private_get(ca); + mutex_unlock(&ca->remove_mutex); return 0; } @@ -1755,6 +1774,8 @@ static int dvb_ca_en50221_io_release(struct inode *inode, struct file *file) dprintk("%s\n", __func__); + mutex_lock(&ca->remove_mutex); + /* mark the CA device as closed */ ca->open = 0; dvb_ca_en50221_thread_update_delay(ca); @@ -1765,6 +1786,13 @@ static int dvb_ca_en50221_io_release(struct inode *inode, struct file *file) dvb_ca_private_put(ca); + if (dvbdev->users == 1 && ca->exit == 1) { + mutex_unlock(&ca->remove_mutex); + wake_up(&dvbdev->wait_queue); + } else { + mutex_unlock(&ca->remove_mutex); + } + return err; } @@ -1888,6 +1916,7 @@ int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter, } mutex_init(&ca->ioctl_mutex); + mutex_init(&ca->remove_mutex); if (signal_pending(current)) { ret = -EINTR; @@ -1930,6 +1959,14 @@ void dvb_ca_en50221_release(struct dvb_ca_en50221 *pubca) dprintk("%s\n", __func__); + mutex_lock(&ca->remove_mutex); + ca->exit = 1; + mutex_unlock(&ca->remove_mutex); + + if (ca->dvbdev->users < 1) + wait_event(ca->dvbdev->wait_queue, + ca->dvbdev->users == 1); + /* shutdown the thread if there was one */ kthread_stop(ca->thread); diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c index 39a2c6ccf31d..9904a170faef 100644 --- a/drivers/media/dvb-core/dvb_demux.c +++ b/drivers/media/dvb-core/dvb_demux.c @@ -125,12 +125,12 @@ static inline int dvb_dmx_swfilter_payload(struct dvb_demux_feed *feed, cc = buf[3] & 0x0f; ccok = ((feed->cc + 1) & 0x0f) == cc; - feed->cc = cc; if (!ccok) { set_buf_flags(feed, DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED); dprintk_sect_loss("missed packet: %d instead of %d!\n", cc, (feed->cc + 1) & 0x0f); } + feed->cc = cc; if (buf[1] & 0x40) // PUSI ? feed->peslen = 0xfffa; @@ -310,7 +310,6 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, cc = buf[3] & 0x0f; ccok = ((feed->cc + 1) & 0x0f) == cc; - feed->cc = cc; if (buf[3] & 0x20) { /* adaption field present, check for discontinuity_indicator */ @@ -346,6 +345,7 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, feed->pusi_seen = false; dvb_dmx_swfilter_section_new(feed); } + feed->cc = cc; if (buf[1] & 0x40) { /* PUSI=1 (is set), section boundary is here */ diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index b04638321b75..ad3e42a4eaf7 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -292,14 +292,22 @@ static int dvb_frontend_get_event(struct dvb_frontend *fe, } if (events->eventw == events->eventr) { - int ret; + struct wait_queue_entry wait; + int ret = 0; if (flags & O_NONBLOCK) return -EWOULDBLOCK; - ret = wait_event_interruptible(events->wait_queue, - dvb_frontend_test_event(fepriv, events)); - + init_waitqueue_entry(&wait, current); + add_wait_queue(&events->wait_queue, &wait); + while (!dvb_frontend_test_event(fepriv, events)) { + wait_woken(&wait, TASK_INTERRUPTIBLE, 0); + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } + } + remove_wait_queue(&events->wait_queue, &wait); if (ret < 0) return ret; } diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c index 9fed06ba88ef..ccaaabaaeb57 100644 --- a/drivers/media/dvb-core/dvb_net.c +++ b/drivers/media/dvb-core/dvb_net.c @@ -1564,15 +1564,43 @@ static long dvb_net_ioctl(struct file *file, return dvb_usercopy(file, cmd, arg, dvb_net_do_ioctl); } +static int locked_dvb_net_open(struct inode *inode, struct file *file) +{ + struct dvb_device *dvbdev = file->private_data; + struct dvb_net *dvbnet = dvbdev->priv; + int ret; + + if (mutex_lock_interruptible(&dvbnet->remove_mutex)) + return -ERESTARTSYS; + + if (dvbnet->exit) { + mutex_unlock(&dvbnet->remove_mutex); + return -ENODEV; + } + + ret = dvb_generic_open(inode, file); + + mutex_unlock(&dvbnet->remove_mutex); + + return ret; +} + static int dvb_net_close(struct inode *inode, struct file *file) { struct dvb_device *dvbdev = file->private_data; struct dvb_net *dvbnet = dvbdev->priv; + mutex_lock(&dvbnet->remove_mutex); + dvb_generic_release(inode, file); - if(dvbdev->users == 1 && dvbnet->exit == 1) + if (dvbdev->users == 1 && dvbnet->exit == 1) { + mutex_unlock(&dvbnet->remove_mutex); wake_up(&dvbdev->wait_queue); + } else { + mutex_unlock(&dvbnet->remove_mutex); + } + return 0; } @@ -1580,7 +1608,7 @@ static int dvb_net_close(struct inode *inode, struct file *file) static const struct file_operations dvb_net_fops = { .owner = THIS_MODULE, .unlocked_ioctl = dvb_net_ioctl, - .open = dvb_generic_open, + .open = locked_dvb_net_open, .release = dvb_net_close, .llseek = noop_llseek, }; @@ -1599,10 +1627,13 @@ void dvb_net_release (struct dvb_net *dvbnet) { int i; + mutex_lock(&dvbnet->remove_mutex); dvbnet->exit = 1; + mutex_unlock(&dvbnet->remove_mutex); + if (dvbnet->dvbdev->users < 1) wait_event(dvbnet->dvbdev->wait_queue, - dvbnet->dvbdev->users==1); + dvbnet->dvbdev->users == 1); dvb_unregister_device(dvbnet->dvbdev); @@ -1621,6 +1652,7 @@ int dvb_net_init (struct dvb_adapter *adap, struct dvb_net *dvbnet, int i; mutex_init(&dvbnet->ioctl_mutex); + mutex_init(&dvbnet->remove_mutex); dvbnet->demux = dmx; for (i=0; i static DEFINE_MUTEX(dvbdev_mutex); +static LIST_HEAD(dvbdevfops_list); static int dvbdev_debug; module_param(dvbdev_debug, int, 0644); @@ -462,14 +463,15 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, enum dvb_device_type type, int demux_sink_pads) { struct dvb_device *dvbdev; - struct file_operations *dvbdevfops; + struct file_operations *dvbdevfops = NULL; + struct dvbdevfops_node *node = NULL, *new_node = NULL; struct device *clsdev; int minor; int id, ret; mutex_lock(&dvbdev_register_lock); - if ((id = dvbdev_get_free_id (adap, type)) < 0){ + if ((id = dvbdev_get_free_id (adap, type)) < 0) { mutex_unlock(&dvbdev_register_lock); *pdvbdev = NULL; pr_err("%s: couldn't find free device id\n", __func__); @@ -477,18 +479,45 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, } *pdvbdev = dvbdev = kzalloc(sizeof(*dvbdev), GFP_KERNEL); - if (!dvbdev){ mutex_unlock(&dvbdev_register_lock); return -ENOMEM; } - dvbdevfops = kmemdup(template->fops, sizeof(*dvbdevfops), GFP_KERNEL); + /* + * When a device of the same type is probe()d more than once, + * the first allocated fops are used. This prevents memory leaks + * that can occur when the same device is probe()d repeatedly. + */ + list_for_each_entry(node, &dvbdevfops_list, list_head) { + if (node->fops->owner == adap->module && + node->type == type && + node->template == template) { + dvbdevfops = node->fops; + break; + } + } - if (!dvbdevfops){ - kfree (dvbdev); - mutex_unlock(&dvbdev_register_lock); - return -ENOMEM; + if (dvbdevfops == NULL) { + dvbdevfops = kmemdup(template->fops, sizeof(*dvbdevfops), GFP_KERNEL); + if (!dvbdevfops) { + kfree(dvbdev); + mutex_unlock(&dvbdev_register_lock); + return -ENOMEM; + } + + new_node = kzalloc(sizeof(struct dvbdevfops_node), GFP_KERNEL); + if (!new_node) { + kfree(dvbdevfops); + kfree(dvbdev); + mutex_unlock(&dvbdev_register_lock); + return -ENOMEM; + } + + new_node->fops = dvbdevfops; + new_node->type = type; + new_node->template = template; + list_add_tail (&new_node->list_head, &dvbdevfops_list); } memcpy(dvbdev, template, sizeof(struct dvb_device)); @@ -499,19 +528,20 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, dvbdev->priv = priv; dvbdev->fops = dvbdevfops; init_waitqueue_head (&dvbdev->wait_queue); - dvbdevfops->owner = adap->module; - list_add_tail (&dvbdev->list_head, &adap->device_list); - down_write(&minor_rwsem); #ifdef CONFIG_DVB_DYNAMIC_MINORS for (minor = 0; minor < MAX_DVB_MINORS; minor++) if (dvb_minors[minor] == NULL) break; - if (minor == MAX_DVB_MINORS) { - kfree(dvbdevfops); + if (new_node) { + list_del (&new_node->list_head); + kfree(dvbdevfops); + kfree(new_node); + } + list_del (&dvbdev->list_head); kfree(dvbdev); up_write(&minor_rwsem); mutex_unlock(&dvbdev_register_lock); @@ -520,36 +550,47 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, #else minor = nums2minor(adap->num, type, id); #endif - dvbdev->minor = minor; dvb_minors[minor] = dvb_device_get(dvbdev); up_write(&minor_rwsem); - ret = dvb_register_media_device(dvbdev, type, minor, demux_sink_pads); if (ret) { pr_err("%s: dvb_register_media_device failed to create the mediagraph\n", __func__); - + if (new_node) { + list_del (&new_node->list_head); + kfree(dvbdevfops); + kfree(new_node); + } dvb_media_device_free(dvbdev); - kfree(dvbdevfops); + list_del (&dvbdev->list_head); kfree(dvbdev); mutex_unlock(&dvbdev_register_lock); return ret; } - mutex_unlock(&dvbdev_register_lock); - clsdev = device_create(dvb_class, adap->device, MKDEV(DVB_MAJOR, minor), dvbdev, "dvb%d.%s%d", adap->num, dnames[type], id); if (IS_ERR(clsdev)) { pr_err("%s: failed to create device dvb%d.%s%d (%ld)\n", __func__, adap->num, dnames[type], id, PTR_ERR(clsdev)); + if (new_node) { + list_del (&new_node->list_head); + kfree(dvbdevfops); + kfree(new_node); + } + dvb_media_device_free(dvbdev); + list_del (&dvbdev->list_head); + kfree(dvbdev); + mutex_unlock(&dvbdev_register_lock); return PTR_ERR(clsdev); } + dprintk("DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n", adap->num, dnames[type], id, minor, minor); + mutex_unlock(&dvbdev_register_lock); return 0; } EXPORT_SYMBOL(dvb_register_device); @@ -578,7 +619,6 @@ static void dvb_free_device(struct kref *ref) { struct dvb_device *dvbdev = container_of(ref, struct dvb_device, ref); - kfree (dvbdev->fops); kfree (dvbdev); } @@ -1084,9 +1124,17 @@ error: static void __exit exit_dvbdev(void) { + struct dvbdevfops_node *node, *next; + class_destroy(dvb_class); cdev_del(&dvb_device_cdev); unregister_chrdev_region(MKDEV(DVB_MAJOR, 0), MAX_DVB_MINORS); + + list_for_each_entry_safe(node, next, &dvbdevfops_list, list_head) { + list_del (&node->list_head); + kfree(node->fops); + kfree(node); + } } subsys_initcall(init_dvbdev); diff --git a/drivers/media/dvb-frontends/mn88443x.c b/drivers/media/dvb-frontends/mn88443x.c index fff212c0bf3b..05894deb8a19 100644 --- a/drivers/media/dvb-frontends/mn88443x.c +++ b/drivers/media/dvb-frontends/mn88443x.c @@ -800,7 +800,7 @@ MODULE_DEVICE_TABLE(i2c, mn88443x_i2c_id); static struct i2c_driver mn88443x_driver = { .driver = { .name = "mn88443x", - .of_match_table = of_match_ptr(mn88443x_of_match), + .of_match_table = mn88443x_of_match, }, .probe = mn88443x_probe, .remove = mn88443x_remove, diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 6ec277421390..e5bffaaeed38 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -640,7 +640,7 @@ static int rtl2832_read_status(struct dvb_frontend *fe, enum fe_status *status) struct i2c_client *client = dev->client; struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret; - u32 uninitialized_var(tmp); + u32 tmp; u8 u8tmp, buf[2]; u16 u16tmp; diff --git a/drivers/media/pci/dm1105/dm1105.c b/drivers/media/pci/dm1105/dm1105.c index bb3a8cc9de0c..6dbd98a3e5b8 100644 --- a/drivers/media/pci/dm1105/dm1105.c +++ b/drivers/media/pci/dm1105/dm1105.c @@ -1179,6 +1179,7 @@ static void dm1105_remove(struct pci_dev *pdev) struct dvb_demux *dvbdemux = &dev->demux; struct dmx_demux *dmx = &dvbdemux->dmx; + cancel_work_sync(&dev->ir.work); dm1105_ir_exit(dev); dmx->close(dmx); dvb_net_release(&dev->dvbnet); diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c index eb5621c9ebf8..478247e13637 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -697,7 +697,7 @@ static void netup_unidvb_dma_fini(struct netup_unidvb_dev *ndev, int num) netup_unidvb_dma_enable(dma, 0); msleep(50); cancel_work_sync(&dma->work); - del_timer(&dma->timeout); + del_timer_sync(&dma->timeout); } static int netup_unidvb_dma_setup(struct netup_unidvb_dev *ndev) @@ -887,12 +887,7 @@ static int netup_unidvb_initdev(struct pci_dev *pci_dev, ndev->lmmio0, (u32)pci_resource_len(pci_dev, 0), ndev->lmmio1, (u32)pci_resource_len(pci_dev, 1), pci_dev->irq); - if (request_irq(pci_dev->irq, netup_unidvb_isr, IRQF_SHARED, - "netup_unidvb", pci_dev) < 0) { - dev_err(&pci_dev->dev, - "%s(): can't get IRQ %d\n", __func__, pci_dev->irq); - goto irq_request_err; - } + ndev->dma_size = 2 * 188 * NETUP_DMA_BLOCKS_COUNT * NETUP_DMA_PACKETS_COUNT; ndev->dma_virt = dma_alloc_coherent(&pci_dev->dev, @@ -933,6 +928,14 @@ static int netup_unidvb_initdev(struct pci_dev *pci_dev, dev_err(&pci_dev->dev, "netup_unidvb: DMA setup failed\n"); goto dma_setup_err; } + + if (request_irq(pci_dev->irq, netup_unidvb_isr, IRQF_SHARED, + "netup_unidvb", pci_dev) < 0) { + dev_err(&pci_dev->dev, + "%s(): can't get IRQ %d\n", __func__, pci_dev->irq); + goto dma_setup_err; + } + dev_info(&pci_dev->dev, "netup_unidvb: device has been initialized\n"); return 0; @@ -951,8 +954,6 @@ spi_setup_err: dma_free_coherent(&pci_dev->dev, ndev->dma_size, ndev->dma_virt, ndev->dma_phys); dma_alloc_err: - free_irq(pci_dev->irq, pci_dev); -irq_request_err: iounmap(ndev->lmmio1); pci_bar1_error: iounmap(ndev->lmmio0); diff --git a/drivers/media/pci/saa7134/saa7134-ts.c b/drivers/media/pci/saa7134/saa7134-ts.c index 6a5053126237..437dbe5e75e2 100644 --- a/drivers/media/pci/saa7134/saa7134-ts.c +++ b/drivers/media/pci/saa7134/saa7134-ts.c @@ -300,6 +300,7 @@ int saa7134_ts_start(struct saa7134_dev *dev) int saa7134_ts_fini(struct saa7134_dev *dev) { + del_timer_sync(&dev->ts_q.timeout); saa7134_pgtable_free(dev->pci, &dev->ts_q.pt); return 0; } diff --git a/drivers/media/pci/saa7134/saa7134-vbi.c b/drivers/media/pci/saa7134/saa7134-vbi.c index 3f0b0933eed6..3e773690468b 100644 --- a/drivers/media/pci/saa7134/saa7134-vbi.c +++ b/drivers/media/pci/saa7134/saa7134-vbi.c @@ -185,6 +185,7 @@ int saa7134_vbi_init1(struct saa7134_dev *dev) int saa7134_vbi_fini(struct saa7134_dev *dev) { /* nothing */ + del_timer_sync(&dev->vbi_q.timeout); return 0; } diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index 342cabf48064..9347ad240ffb 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -2154,6 +2154,7 @@ int saa7134_video_init1(struct saa7134_dev *dev) void saa7134_video_fini(struct saa7134_dev *dev) { + del_timer_sync(&dev->video_q.timeout); /* free stuff */ vb2_queue_release(&dev->video_vbq); saa7134_pgtable_free(dev->pci, &dev->video_q.pt); diff --git a/drivers/media/pci/ttpci/av7110_av.c b/drivers/media/pci/ttpci/av7110_av.c index ea9f7d0058a2..e201d5a56bc6 100644 --- a/drivers/media/pci/ttpci/av7110_av.c +++ b/drivers/media/pci/ttpci/av7110_av.c @@ -822,10 +822,10 @@ static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, s av7110_ipack_flush(ipack); if (buf[3] & ADAPT_FIELD) { + if (buf[4] > len - 1 - 4) + return 0; len -= buf[4] + 1; buf += buf[4] + 1; - if (!len) - return 0; } av7110_ipack_instant_repack(buf + 4, len - 4, ipack); diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index e5f636080108..5d6b7aaee295 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -638,6 +638,7 @@ static int rvin_setup(struct rvin_dev *vin) vnmc = VNMC_IM_FULL | VNMC_FOC; break; case V4L2_FIELD_NONE: + case V4L2_FIELD_ALTERNATE: vnmc = VNMC_IM_ODD_EVEN; progressive = true; break; diff --git a/drivers/media/platform/rcar_fdp1.c b/drivers/media/platform/rcar_fdp1.c index 97bed45360f0..af2408b4856e 100644 --- a/drivers/media/platform/rcar_fdp1.c +++ b/drivers/media/platform/rcar_fdp1.c @@ -2121,9 +2121,7 @@ static int fdp1_open(struct file *file) if (ctx->hdl.error) { ret = ctx->hdl.error; - v4l2_ctrl_handler_free(&ctx->hdl); - kfree(ctx); - goto done; + goto error_ctx; } ctx->fh.ctrl_handler = &ctx->hdl; @@ -2137,20 +2135,27 @@ static int fdp1_open(struct file *file) if (IS_ERR(ctx->fh.m2m_ctx)) { ret = PTR_ERR(ctx->fh.m2m_ctx); - - v4l2_ctrl_handler_free(&ctx->hdl); - kfree(ctx); - goto done; + goto error_ctx; } /* Perform any power management required */ - pm_runtime_get_sync(fdp1->dev); + ret = pm_runtime_resume_and_get(fdp1->dev); + if (ret < 0) + goto error_pm; v4l2_fh_add(&ctx->fh); dprintk(fdp1, "Created instance: %p, m2m_ctx: %p\n", ctx, ctx->fh.m2m_ctx); + mutex_unlock(&fdp1->dev_mutex); + return 0; + +error_pm: + v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); +error_ctx: + v4l2_ctrl_handler_free(&ctx->hdl); + kfree(ctx); done: mutex_unlock(&fdp1->dev_mutex); return ret; @@ -2255,7 +2260,6 @@ static int fdp1_probe(struct platform_device *pdev) struct fdp1_dev *fdp1; struct video_device *vfd; struct device_node *fcp_node; - struct resource *res; struct clk *clk; unsigned int i; @@ -2282,17 +2286,15 @@ static int fdp1_probe(struct platform_device *pdev) platform_set_drvdata(pdev, fdp1); /* Memory-mapped registers */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - fdp1->regs = devm_ioremap_resource(&pdev->dev, res); + fdp1->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(fdp1->regs)) return PTR_ERR(fdp1->regs); /* Interrupt service routine registration */ - fdp1->irq = ret = platform_get_irq(pdev, 0); - if (ret < 0) { - dev_err(&pdev->dev, "cannot find IRQ\n"); + ret = platform_get_irq(pdev, 0); + if (ret < 0) return ret; - } + fdp1->irq = ret; ret = devm_request_irq(&pdev->dev, fdp1->irq, fdp1_irq_handler, 0, dev_name(&pdev->dev), fdp1); @@ -2315,8 +2317,10 @@ static int fdp1_probe(struct platform_device *pdev) /* Determine our clock rate */ clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(clk)) - return PTR_ERR(clk); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto put_dev; + } fdp1->clk_rate = clk_get_rate(clk); clk_put(clk); @@ -2325,7 +2329,7 @@ static int fdp1_probe(struct platform_device *pdev) ret = v4l2_device_register(&pdev->dev, &fdp1->v4l2_dev); if (ret) { v4l2_err(&fdp1->v4l2_dev, "Failed to register video device\n"); - return ret; + goto put_dev; } /* M2M registration */ @@ -2355,7 +2359,9 @@ static int fdp1_probe(struct platform_device *pdev) /* Power up the cells to read HW */ pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(fdp1->dev); + ret = pm_runtime_resume_and_get(fdp1->dev); + if (ret < 0) + goto disable_pm; hw_version = fdp1_read(fdp1, FD1_IP_INTDATA); switch (hw_version) { @@ -2384,12 +2390,17 @@ static int fdp1_probe(struct platform_device *pdev) return 0; +disable_pm: + pm_runtime_disable(fdp1->dev); + release_m2m: v4l2_m2m_release(fdp1->m2m_dev); unreg_dev: v4l2_device_unregister(&fdp1->v4l2_dev); +put_dev: + rcar_fcp_put(fdp1->fcp); return ret; } @@ -2401,6 +2412,7 @@ static int fdp1_remove(struct platform_device *pdev) video_unregister_device(&fdp1->vfd); v4l2_device_unregister(&fdp1->v4l2_dev); pm_runtime_disable(&pdev->dev); + rcar_fcp_put(fdp1->fcp); return 0; } diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c index 16a097f93b42..2485a3657c89 100644 --- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c +++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c @@ -1308,6 +1308,8 @@ static int bdisp_probe(struct platform_device *pdev) init_waitqueue_head(&bdisp->irq_queue); INIT_DELAYED_WORK(&bdisp->timeout_work, bdisp_irq_timeout); bdisp->work_queue = create_workqueue(BDISP_NAME); + if (!bdisp->work_queue) + return -ENOMEM; spin_lock_init(&bdisp->slock); mutex_init(&bdisp->lock); diff --git a/drivers/media/radio/radio-shark.c b/drivers/media/radio/radio-shark.c index 8230da828d0e..127a3be0e0f0 100644 --- a/drivers/media/radio/radio-shark.c +++ b/drivers/media/radio/radio-shark.c @@ -316,6 +316,16 @@ static int usb_shark_probe(struct usb_interface *intf, { struct shark_device *shark; int retval = -ENOMEM; + static const u8 ep_addresses[] = { + SHARK_IN_EP | USB_DIR_IN, + SHARK_OUT_EP | USB_DIR_OUT, + 0}; + + /* Are the expected endpoints present? */ + if (!usb_check_int_endpoints(intf, ep_addresses)) { + dev_err(&intf->dev, "Invalid radioSHARK device\n"); + return -EINVAL; + } shark = kzalloc(sizeof(struct shark_device), GFP_KERNEL); if (!shark) diff --git a/drivers/media/radio/radio-shark2.c b/drivers/media/radio/radio-shark2.c index d150f12382c6..f1c5c0a6a335 100644 --- a/drivers/media/radio/radio-shark2.c +++ b/drivers/media/radio/radio-shark2.c @@ -282,6 +282,16 @@ static int usb_shark_probe(struct usb_interface *intf, { struct shark_device *shark; int retval = -ENOMEM; + static const u8 ep_addresses[] = { + SHARK_IN_EP | USB_DIR_IN, + SHARK_OUT_EP | USB_DIR_OUT, + 0}; + + /* Are the expected endpoints present? */ + if (!usb_check_int_endpoints(intf, ep_addresses)) { + dev_err(&intf->dev, "Invalid radioSHARK2 device\n"); + return -EINVAL; + } shark = kzalloc(sizeof(struct shark_device), GFP_KERNEL); if (!shark) diff --git a/drivers/media/rc/gpio-ir-recv.c b/drivers/media/rc/gpio-ir-recv.c index a20413008c3c..f50398b3ed5f 100644 --- a/drivers/media/rc/gpio-ir-recv.c +++ b/drivers/media/rc/gpio-ir-recv.c @@ -83,6 +83,8 @@ static int gpio_ir_recv_probe(struct platform_device *pdev) rcdev->map_name = RC_MAP_EMPTY; gpio_dev->rcdev = rcdev; + if (of_property_read_bool(np, "wakeup-source")) + device_init_wakeup(dev, true); rc = devm_rc_register_device(dev, rcdev); if (rc < 0) { diff --git a/drivers/media/tuners/qt1010.c b/drivers/media/tuners/qt1010.c index 85bbdd4ecdbb..e48faf942830 100644 --- a/drivers/media/tuners/qt1010.c +++ b/drivers/media/tuners/qt1010.c @@ -215,7 +215,7 @@ static int qt1010_set_params(struct dvb_frontend *fe) static int qt1010_init_meas1(struct qt1010_priv *priv, u8 oper, u8 reg, u8 reg_init_val, u8 *retval) { - u8 i, val1, uninitialized_var(val2); + u8 i, val1, val2; int err; qt1010_i2c_oper_t i2c_data[] = { @@ -250,7 +250,7 @@ static int qt1010_init_meas1(struct qt1010_priv *priv, static int qt1010_init_meas2(struct qt1010_priv *priv, u8 reg_init_val, u8 *retval) { - u8 i, uninitialized_var(val); + u8 i, val; int err; qt1010_i2c_oper_t i2c_data[] = { { QT1010_WR, 0x07, reg_init_val }, diff --git a/drivers/media/usb/dvb-usb-v2/az6007.c b/drivers/media/usb/dvb-usb-v2/az6007.c index 62ee09f28a0b..7524c90f5da6 100644 --- a/drivers/media/usb/dvb-usb-v2/az6007.c +++ b/drivers/media/usb/dvb-usb-v2/az6007.c @@ -202,7 +202,8 @@ static int az6007_rc_query(struct dvb_usb_device *d) unsigned code; enum rc_proto proto; - az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10); + if (az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10) < 0) + return -EIO; if (st->data[1] == 0x44) return 0; diff --git a/drivers/media/usb/dvb-usb-v2/ce6230.c b/drivers/media/usb/dvb-usb-v2/ce6230.c index 44540de1a206..d3b5cb4a24da 100644 --- a/drivers/media/usb/dvb-usb-v2/ce6230.c +++ b/drivers/media/usb/dvb-usb-v2/ce6230.c @@ -101,6 +101,10 @@ static int ce6230_i2c_master_xfer(struct i2c_adapter *adap, if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) { if (msg[i].addr == ce6230_zl10353_config.demod_address) { + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } req.cmd = DEMOD_READ; req.value = msg[i].addr >> 1; req.index = msg[i].buf[0]; @@ -117,6 +121,10 @@ static int ce6230_i2c_master_xfer(struct i2c_adapter *adap, } else { if (msg[i].addr == ce6230_zl10353_config.demod_address) { + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } req.cmd = DEMOD_WRITE; req.value = msg[i].addr >> 1; req.index = msg[i].buf[0]; diff --git a/drivers/media/usb/dvb-usb-v2/ec168.c b/drivers/media/usb/dvb-usb-v2/ec168.c index e30305876840..1191e32407c7 100644 --- a/drivers/media/usb/dvb-usb-v2/ec168.c +++ b/drivers/media/usb/dvb-usb-v2/ec168.c @@ -115,6 +115,10 @@ static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], while (i < num) { if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) { if (msg[i].addr == ec168_ec100_config.demod_address) { + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } req.cmd = READ_DEMOD; req.value = 0; req.index = 0xff00 + msg[i].buf[0]; /* reg */ @@ -131,6 +135,10 @@ static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], } } else { if (msg[i].addr == ec168_ec100_config.demod_address) { + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } req.cmd = WRITE_DEMOD; req.value = msg[i].buf[1]; /* val */ req.index = 0xff00 + msg[i].buf[0]; /* reg */ @@ -139,6 +147,10 @@ static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], ret = ec168_ctrl_msg(d, &req); i += 1; } else { + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } req.cmd = WRITE_I2C; req.value = msg[i].buf[0]; /* val */ req.index = 0x0100 + msg[i].addr; /* I2C addr */ diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index 0fe71437601e..ec9bbd8c89ad 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -176,6 +176,10 @@ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], ret = -EOPNOTSUPP; goto err_mutex_unlock; } else if (msg[0].addr == 0x10) { + if (msg[0].len < 1 || msg[1].len < 1) { + ret = -EOPNOTSUPP; + goto err_mutex_unlock; + } /* method 1 - integrated demod */ if (msg[0].buf[0] == 0x00) { /* return demod page from driver cache */ @@ -189,6 +193,10 @@ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], ret = rtl28xxu_ctrl_msg(d, &req); } } else if (msg[0].len < 2) { + if (msg[0].len < 1) { + ret = -EOPNOTSUPP; + goto err_mutex_unlock; + } /* method 2 - old I2C */ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); req.index = CMD_I2C_RD; @@ -217,8 +225,16 @@ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], ret = -EOPNOTSUPP; goto err_mutex_unlock; } else if (msg[0].addr == 0x10) { + if (msg[0].len < 1) { + ret = -EOPNOTSUPP; + goto err_mutex_unlock; + } /* method 1 - integrated demod */ if (msg[0].buf[0] == 0x00) { + if (msg[0].len < 2) { + ret = -EOPNOTSUPP; + goto err_mutex_unlock; + } /* save demod page for later demod access */ dev->page = msg[0].buf[1]; ret = 0; @@ -231,6 +247,10 @@ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], ret = rtl28xxu_ctrl_msg(d, &req); } } else if ((msg[0].len < 23) && (!dev->new_i2c_write)) { + if (msg[0].len < 1) { + ret = -EOPNOTSUPP; + goto err_mutex_unlock; + } /* method 2 - old I2C */ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); req.index = CMD_I2C_WR; diff --git a/drivers/media/usb/dvb-usb/az6027.c b/drivers/media/usb/dvb-usb/az6027.c index ffc0db67d4d6..2b56393d1000 100644 --- a/drivers/media/usb/dvb-usb/az6027.c +++ b/drivers/media/usb/dvb-usb/az6027.c @@ -988,6 +988,10 @@ static int az6027_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int n /* write/read request */ if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) { req = 0xB9; + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff)); value = msg[i].addr + (msg[i].len << 8); length = msg[i + 1].len + 6; @@ -1001,6 +1005,10 @@ static int az6027_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int n /* demod 16bit addr */ req = 0xBD; + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff)); value = msg[i].addr + (2 << 8); length = msg[i].len - 2; @@ -1026,6 +1034,10 @@ static int az6027_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int n } else { req = 0xBD; + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } index = msg[i].buf[0] & 0x00FF; value = msg[i].addr + (1 << 8); length = msg[i].len - 1; diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c index 99a39339d45d..cf5ec8c1f677 100644 --- a/drivers/media/usb/dvb-usb/digitv.c +++ b/drivers/media/usb/dvb-usb/digitv.c @@ -63,6 +63,10 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num warn("more than 2 i2c messages at a time is not handled yet. TODO."); for (i = 0; i < num; i++) { + if (msg[i].len < 1) { + i = -EOPNOTSUPP; + break; + } /* write/read request */ if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0, diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c index 8493ebb377c4..f8f589ebab74 100644 --- a/drivers/media/usb/dvb-usb/dw2102.c +++ b/drivers/media/usb/dvb-usb/dw2102.c @@ -946,7 +946,7 @@ static int su3000_read_mac_address(struct dvb_usb_device *d, u8 mac[6]) for (i = 0; i < 6; i++) { obuf[1] = 0xf0 + i; if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) - break; + return -1; else mac[i] = ibuf[0]; } diff --git a/drivers/media/usb/gspca/vicam.c b/drivers/media/usb/gspca/vicam.c index 179b2ec3df57..d98343fd33fe 100644 --- a/drivers/media/usb/gspca/vicam.c +++ b/drivers/media/usb/gspca/vicam.c @@ -225,7 +225,7 @@ static int sd_init(struct gspca_dev *gspca_dev) { int ret; const struct ihex_binrec *rec; - const struct firmware *uninitialized_var(fw); + const struct firmware *fw; u8 *firmware_buf; ret = request_ihex_firmware(&fw, VICAM_FIRMWARE, diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c index 1db232a1063b..0358cd104387 100644 --- a/drivers/media/usb/siano/smsusb.c +++ b/drivers/media/usb/siano/smsusb.c @@ -179,7 +179,8 @@ static void smsusb_stop_streaming(struct smsusb_device_t *dev) for (i = 0; i < MAX_URBS; i++) { usb_kill_urb(&dev->surbs[i].urb); - cancel_work_sync(&dev->surbs[i].wq); + if (dev->surbs[i].wq.func) + cancel_work_sync(&dev->surbs[i].wq); if (dev->surbs[i].cb) { smscore_putbuffer(dev->coredev, dev->surbs[i].cb); diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c index 3198f9624b7c..46bb0ccaafc1 100644 --- a/drivers/media/usb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c @@ -1551,8 +1551,7 @@ static void ttusb_dec_exit_dvb(struct ttusb_dec *dec) dvb_dmx_release(&dec->demux); if (dec->fe) { dvb_unregister_frontend(dec->fe); - if (dec->fe->ops.release) - dec->fe->ops.release(dec->fe); + dvb_frontend_detach(dec->fe); } dvb_unregister_adapter(&dec->adapter); } diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index e676a9ef6f0d..6dff8e2fadba 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -797,9 +797,9 @@ static void uvc_video_stats_decode(struct uvc_streaming *stream, unsigned int header_size; bool has_pts = false; bool has_scr = false; - u16 uninitialized_var(scr_sof); - u32 uninitialized_var(scr_stc); - u32 uninitialized_var(pts); + u16 scr_sof; + u32 scr_stc; + u32 pts; if (stream->stats.stream.nb_frames == 0 && stream->stats.frame.nb_packets == 0) @@ -1862,7 +1862,7 @@ static int uvc_video_start_transfer(struct uvc_streaming *stream, struct usb_host_endpoint *best_ep = NULL; unsigned int best_psize = UINT_MAX; unsigned int bandwidth; - unsigned int uninitialized_var(altsetting); + unsigned int altsetting; int intfnum = stream->intfnum; /* Isochronous endpoint, select the alternate setting. */ diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c index 6827ed484750..127a9bffdbca 100644 --- a/drivers/memory/brcmstb_dpfe.c +++ b/drivers/memory/brcmstb_dpfe.c @@ -398,15 +398,17 @@ static void __finalize_command(struct private_data *priv) static int __send_command(struct private_data *priv, unsigned int cmd, u32 result[]) { - const u32 *msg = priv->dpfe_api->command[cmd]; void __iomem *regs = priv->regs; unsigned int i, chksum, chksum_idx; + const u32 *msg; int ret = 0; u32 resp; if (cmd >= DPFE_CMD_MAX) return -1; + msg = priv->dpfe_api->command[cmd]; + mutex_lock(&priv->lock); /* Wait for DCPU to become ready */ diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c index 74d6686b35f7..672671a12215 100644 --- a/drivers/memstick/host/jmb38x_ms.c +++ b/drivers/memstick/host/jmb38x_ms.c @@ -314,7 +314,7 @@ static int jmb38x_ms_transfer_data(struct jmb38x_ms_host *host) } while (length) { - unsigned int uninitialized_var(p_off); + unsigned int p_off; if (host->req->long_data) { pg = nth_page(sg_page(&host->req->sg), diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c index eaa2a94d18be..0e37c6a5ee36 100644 --- a/drivers/memstick/host/r592.c +++ b/drivers/memstick/host/r592.c @@ -44,12 +44,10 @@ static const char *tpc_names[] = { * memstick_debug_get_tpc_name - debug helper that returns string for * a TPC number */ -const char *memstick_debug_get_tpc_name(int tpc) +static __maybe_unused const char *memstick_debug_get_tpc_name(int tpc) { return tpc_names[tpc-1]; } -EXPORT_SYMBOL(memstick_debug_get_tpc_name); - /* Read a register*/ static inline u32 r592_read_reg(struct r592_device *dev, int address) @@ -828,7 +826,7 @@ static void r592_remove(struct pci_dev *pdev) /* Stop the processing thread. That ensures that we won't take any more requests */ kthread_stop(dev->io_thread); - + del_timer_sync(&dev->detect_timer); r592_enable_device(dev, false); while (!error && dev->req) { diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c index 5b966b54d6e9..fc35c7404429 100644 --- a/drivers/memstick/host/tifm_ms.c +++ b/drivers/memstick/host/tifm_ms.c @@ -198,7 +198,7 @@ static unsigned int tifm_ms_transfer_data(struct tifm_ms *host) host->block_pos); while (length) { - unsigned int uninitialized_var(p_off); + unsigned int p_off; if (host->req->long_data) { pg = nth_page(sg_page(&host->req->sg), diff --git a/drivers/message/fusion/mptlan.c b/drivers/message/fusion/mptlan.c index ebc00d47abf5..624803a887d8 100644 --- a/drivers/message/fusion/mptlan.c +++ b/drivers/message/fusion/mptlan.c @@ -1430,7 +1430,9 @@ mptlan_remove(struct pci_dev *pdev) { MPT_ADAPTER *ioc = pci_get_drvdata(pdev); struct net_device *dev = ioc->netdev; + struct mpt_lan_priv *priv = netdev_priv(dev); + cancel_delayed_work_sync(&priv->post_buckets_task); if(dev != NULL) { unregister_netdev(dev); free_netdev(dev); diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c index 707f4287ab4a..80952237e4b4 100644 --- a/drivers/mfd/dln2.c +++ b/drivers/mfd/dln2.c @@ -797,6 +797,7 @@ out_stop_rx: dln2_stop_rx_urbs(dln2); out_free: + usb_put_dev(dln2->usb_dev); dln2_free(dln2); return ret; diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c index 045cbf0cbe53..993e305a232c 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -114,6 +114,9 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev) return -ENOMEM; info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!info->mem) + return -ENODEV; + info->irq = platform_get_irq(pdev, 0); ret = intel_lpss_probe(&pdev->dev, info); diff --git a/drivers/mfd/rt5033.c b/drivers/mfd/rt5033.c index 48381d9bf740..302115dabff4 100644 --- a/drivers/mfd/rt5033.c +++ b/drivers/mfd/rt5033.c @@ -41,9 +41,6 @@ static const struct mfd_cell rt5033_devs[] = { { .name = "rt5033-charger", .of_compatible = "richtek,rt5033-charger", - }, { - .name = "rt5033-battery", - .of_compatible = "richtek,rt5033-battery", }, { .name = "rt5033-led", .of_compatible = "richtek,rt5033-led", diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c index 711979afd90a..887c92342b7f 100644 --- a/drivers/mfd/stmfx.c +++ b/drivers/mfd/stmfx.c @@ -389,7 +389,7 @@ static int stmfx_chip_init(struct i2c_client *client) err: if (stmfx->vdd) - return regulator_disable(stmfx->vdd); + regulator_disable(stmfx->vdd); return ret; } diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index 508349399f8a..7f758fb60c1f 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -1494,9 +1494,9 @@ int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum) int stmpe_remove(struct stmpe *stmpe) { - if (!IS_ERR(stmpe->vio)) + if (!IS_ERR(stmpe->vio) && regulator_is_enabled(stmpe->vio)) regulator_disable(stmpe->vio); - if (!IS_ERR(stmpe->vcc)) + if (!IS_ERR(stmpe->vcc) && regulator_is_enabled(stmpe->vcc)) regulator_disable(stmpe->vcc); __stmpe_disable(stmpe, STMPE_BLOCK_ADC); diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig index 0f791bfdc1f5..c92f2cdf4026 100644 --- a/drivers/misc/eeprom/Kconfig +++ b/drivers/misc/eeprom/Kconfig @@ -6,6 +6,7 @@ config EEPROM_AT24 depends on I2C && SYSFS select NVMEM select NVMEM_SYSFS + select REGMAP select REGMAP_I2C help Enable this driver to get read/write support to most I2C EEPROMs diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 19840ad58a5f..9bbbeec4cd02 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -1074,7 +1074,7 @@ static int fastrpc_init_create_process(struct fastrpc_user *fl, sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_CREATE, 4, 0); if (init.attrs) - sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_CREATE_ATTR, 6, 0); + sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_CREATE_ATTR, 4, 0); err = fastrpc_internal_invoke(fl, true, FASTRPC_INIT_HANDLE, sc, args); @@ -1484,8 +1484,10 @@ static void fastrpc_notify_users(struct fastrpc_user *user) struct fastrpc_invoke_ctx *ctx; spin_lock(&user->lock); - list_for_each_entry(ctx, &user->pending, node) + list_for_each_entry(ctx, &user->pending, node) { + ctx->retval = -EPIPE; complete(&ctx->work); + } spin_unlock(&user->lock); } @@ -1495,7 +1497,9 @@ static void fastrpc_rpmsg_remove(struct rpmsg_device *rpdev) struct fastrpc_user *user; unsigned long flags; + /* No invocations past this point */ spin_lock_irqsave(&cctx->lock, flags); + cctx->rpdev = NULL; list_for_each_entry(user, &cctx->users, user) fastrpc_notify_users(user); spin_unlock_irqrestore(&cctx->lock, flags); @@ -1503,7 +1507,6 @@ static void fastrpc_rpmsg_remove(struct rpmsg_device *rpdev) misc_deregister(&cctx->miscdev); of_platform_depopulate(&rpdev->dev); - cctx->rpdev = NULL; fastrpc_channel_ctx_put(cctx); } diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c index 1154f0435b0a..478d6118550e 100644 --- a/drivers/misc/pci_endpoint_test.c +++ b/drivers/misc/pci_endpoint_test.c @@ -590,6 +590,10 @@ static long pci_endpoint_test_ioctl(struct file *file, unsigned int cmd, struct pci_dev *pdev = test->pdev; mutex_lock(&test->mutex); + + reinit_completion(&test->irq_raised); + test->last_irq = -ENODATA; + switch (cmd) { case PCITEST_BAR: bar = arg; @@ -774,6 +778,9 @@ static void pci_endpoint_test_remove(struct pci_dev *pdev) if (id < 0) return; + pci_endpoint_test_release_irq(test); + pci_endpoint_test_free_irq_vectors(test); + misc_deregister(&test->miscdev); kfree(misc_device->name); ida_simple_remove(&pci_endpoint_test_ida, id); @@ -782,9 +789,6 @@ static void pci_endpoint_test_remove(struct pci_dev *pdev) pci_iounmap(pdev, test->bar[bar]); } - pci_endpoint_test_release_irq(test); - pci_endpoint_test_free_irq_vectors(test); - pci_release_regions(pdev); pci_disable_device(pdev); } diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c index 833e2bd248a5..8ff8d649d9b3 100644 --- a/drivers/misc/vmw_vmci/vmci_host.c +++ b/drivers/misc/vmw_vmci/vmci_host.c @@ -160,10 +160,16 @@ static int vmci_host_close(struct inode *inode, struct file *filp) static __poll_t vmci_host_poll(struct file *filp, poll_table *wait) { struct vmci_host_dev *vmci_host_dev = filp->private_data; - struct vmci_ctx *context = vmci_host_dev->context; + struct vmci_ctx *context; __poll_t mask = 0; if (vmci_host_dev->ct_type == VMCIOBJ_CONTEXT) { + /* + * Read context only if ct_type == VMCIOBJ_CONTEXT to make + * sure that context is initialized + */ + context = vmci_host_dev->context; + /* Check for VMCI calls to this VM context. */ if (wait) poll_wait(filp, &context->host_context.wait_queue, diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 7a8f1ae83c88..f6c75d158d98 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -255,6 +255,7 @@ static ssize_t power_ro_lock_store(struct device *dev, goto out_put; } req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_BOOT_WP; + req_to_mmc_queue_req(req)->drv_op_result = -EIO; blk_execute_rq(mq->queue, NULL, req, 0); ret = req_to_mmc_queue_req(req)->drv_op_result; blk_put_request(req); @@ -694,6 +695,7 @@ static int mmc_blk_ioctl_cmd(struct mmc_blk_data *md, idatas[0] = idata; req_to_mmc_queue_req(req)->drv_op = rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL; + req_to_mmc_queue_req(req)->drv_op_result = -EIO; req_to_mmc_queue_req(req)->drv_op_data = idatas; req_to_mmc_queue_req(req)->ioc_count = 1; blk_execute_rq(mq->queue, NULL, req, 0); @@ -763,6 +765,7 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md, } req_to_mmc_queue_req(req)->drv_op = rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL; + req_to_mmc_queue_req(req)->drv_op_result = -EIO; req_to_mmc_queue_req(req)->drv_op_data = idata; req_to_mmc_queue_req(req)->ioc_count = num_of_cmds; blk_execute_rq(mq->queue, NULL, req, 0); @@ -2843,6 +2846,7 @@ static int mmc_dbg_card_status_get(void *data, u64 *val) if (IS_ERR(req)) return PTR_ERR(req); req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_GET_CARD_STATUS; + req_to_mmc_queue_req(req)->drv_op_result = -EIO; blk_execute_rq(mq->queue, NULL, req, 0); ret = req_to_mmc_queue_req(req)->drv_op_result; if (ret >= 0) { @@ -2881,6 +2885,7 @@ static int mmc_ext_csd_open(struct inode *inode, struct file *filp) goto out_free; } req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_GET_EXT_CSD; + req_to_mmc_queue_req(req)->drv_op_result = -EIO; req_to_mmc_queue_req(req)->drv_op_data = &ext_csd; blk_execute_rq(mq->queue, NULL, req, 0); err = req_to_mmc_queue_req(req)->drv_op_result; diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h index 3dba15bccce2..9a253324c95a 100644 --- a/drivers/mmc/core/quirks.h +++ b/drivers/mmc/core/quirks.h @@ -90,6 +90,20 @@ static const struct mmc_fixup mmc_blk_fixups[] = { MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + /* + * Kingston EMMC04G-M627 advertises TRIM but it does not seems to + * support being used to offload WRITE_ZEROES. + */ + MMC_FIXUP("M62704", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc, + MMC_QUIRK_TRIM_BROKEN), + + /* + * Micron MTFC4GACAJCN-1M advertises TRIM but it does not seems to + * support being used to offload WRITE_ZEROES. + */ + MMC_FIXUP("Q2J54A", CID_MANFID_MICRON, 0x014e, add_quirk_mmc, + MMC_QUIRK_TRIM_BROKEN), + /* * On Some Kingston eMMCs, performing trim can result in * unrecoverable data conrruption occasionally due to a firmware bug. diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 95a8ba4cf3da..35bdca9384d5 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -973,11 +973,8 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id) if (status & (IRQ_END_OF_CHAIN | IRQ_RESP_STATUS)) { if (data && !cmd->error) data->bytes_xfered = data->blksz * data->blocks; - if (meson_mmc_bounce_buf_read(data) || - meson_mmc_get_next_command(cmd)) - ret = IRQ_WAKE_THREAD; - else - ret = IRQ_HANDLED; + + return IRQ_WAKE_THREAD; } out: @@ -989,9 +986,6 @@ out: writel(start, host->regs + SD_EMMC_START); } - if (ret == IRQ_HANDLED) - meson_mmc_request_done(host->mmc, cmd->mrq); - return ret; } diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c index 52307dce08ba..0c392b41a858 100644 --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c @@ -339,13 +339,7 @@ static void moxart_transfer_pio(struct moxart_host *host) return; } for (len = 0; len < remain && len < host->fifo_width;) { - /* SCR data must be read in big endian. */ - if (data->mrq->cmd->opcode == SD_APP_SEND_SCR) - *sgp = ioread32be(host->base + - REG_DATA_WINDOW); - else - *sgp = ioread32(host->base + - REG_DATA_WINDOW); + *sgp = ioread32(host->base + REG_DATA_WINDOW); sgp++; len += 4; } diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 1254a5650cff..2673890c7690 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -2249,7 +2249,7 @@ static int msdc_drv_probe(struct platform_device *pdev) host->irq = platform_get_irq(pdev, 0); if (host->irq < 0) { - ret = -EINVAL; + ret = host->irq; goto host_free; } diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index 74a0a7fbbf7f..0dfcf7bea9ff 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -696,17 +696,15 @@ static int mvsd_probe(struct platform_device *pdev) struct mmc_host *mmc = NULL; struct mvsd_host *host = NULL; const struct mbus_dram_target_info *dram; - struct resource *r; int ret, irq; if (!np) { dev_err(&pdev->dev, "no DT node\n"); return -ENODEV; } - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (!r || irq < 0) - return -ENXIO; + if (irq < 0) + return irq; mmc = mmc_alloc_host(sizeof(struct mvsd_host), &pdev->dev); if (!mmc) { @@ -758,7 +756,7 @@ static int mvsd_probe(struct platform_device *pdev) spin_lock_init(&host->lock); - host->base = devm_ioremap_resource(&pdev->dev, r); + host->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(host->base)) { ret = PTR_ERR(host->base); goto out; diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index d74e73c95fdf..80574040d8fb 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -1344,7 +1344,7 @@ static int mmc_omap_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) - return -ENXIO; + return irq; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); host->virt_base = devm_ioremap_resource(&pdev->dev, res); diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index ee9edf817a32..aef2253ed5c8 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1843,9 +1843,11 @@ static int omap_hsmmc_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - irq = platform_get_irq(pdev, 0); - if (res == NULL || irq < 0) + if (!res) return -ENXIO; + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 0dc8eafdc81d..a02f3538d561 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -835,7 +835,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) host->ops = &sdhci_acpi_ops_dflt; host->irq = platform_get_irq(pdev, 0); if (host->irq < 0) { - err = -EINVAL; + err = host->irq; goto err_free; } diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 69c133e7ced0..48765208e295 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -124,6 +124,7 @@ static u32 esdhc_readl_fixup(struct sdhci_host *host, return ret; } } + /* * The DAT[3:0] line signal levels and the CMD line signal level are * not compatible with standard SDHC register. The line signal levels @@ -135,6 +136,16 @@ static u32 esdhc_readl_fixup(struct sdhci_host *host, ret = value & 0x000fffff; ret |= (value >> 4) & SDHCI_DATA_LVL_MASK; ret |= (value << 1) & SDHCI_CMD_LVL; + + /* + * Some controllers have unreliable Data Line Active + * bit for commands with busy signal. This affects + * Command Inhibit (data) bit. Just ignore it since + * MMC core driver has already polled card status + * with CMD13 after any command with busy siganl. + */ + if (esdhc->quirk_ignore_data_inhibit) + ret &= ~SDHCI_DATA_INHIBIT; return ret; } @@ -149,19 +160,6 @@ static u32 esdhc_readl_fixup(struct sdhci_host *host, return ret; } - /* - * Some controllers have unreliable Data Line Active - * bit for commands with busy signal. This affects - * Command Inhibit (data) bit. Just ignore it since - * MMC core driver has already polled card status - * with CMD13 after any command with busy siganl. - */ - if ((spec_reg == SDHCI_PRESENT_STATE) && - (esdhc->quirk_ignore_data_inhibit == true)) { - ret = value & ~SDHCI_DATA_INHIBIT; - return ret; - } - ret = value; return ret; } diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index d9c70af366bc..cd10f04b8135 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -502,7 +502,7 @@ static void sdhci_read_block_pio(struct sdhci_host *host) { unsigned long flags; size_t blksize, len, chunk; - u32 uninitialized_var(scratch); + u32 scratch; u8 *buf; DBG("PIO reading\n"); @@ -1118,6 +1118,8 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd) } } + sdhci_config_dma(host); + if (host->flags & SDHCI_REQ_USE_DMA) { int sg_cnt = sdhci_pre_dma_transfer(host, data, COOKIE_MAPPED); @@ -1137,8 +1139,6 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd) } } - sdhci_config_dma(host); - if (!(host->flags & SDHCI_REQ_USE_DMA)) { int flags; diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 98c575de43c7..ed18c233c786 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -1395,7 +1395,7 @@ static int sh_mmcif_probe(struct platform_device *pdev) irq[0] = platform_get_irq(pdev, 0); irq[1] = platform_get_irq_optional(pdev, 1); if (irq[0] < 0) - return -ENXIO; + return irq[0]; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg = devm_ioremap_resource(dev, res); diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c index 96b0f81a2032..56d131183c1e 100644 --- a/drivers/mmc/host/usdhi6rol0.c +++ b/drivers/mmc/host/usdhi6rol0.c @@ -1743,8 +1743,10 @@ static int usdhi6_probe(struct platform_device *pdev) irq_cd = platform_get_irq_byname(pdev, "card detect"); irq_sd = platform_get_irq_byname(pdev, "data"); irq_sdio = platform_get_irq_byname(pdev, "SDIO"); - if (irq_sd < 0 || irq_sdio < 0) - return -ENODEV; + if (irq_sd < 0) + return irq_sd; + if (irq_sdio < 0) + return irq_sdio; mmc = mmc_alloc_host(sizeof(struct usdhi6_host), dev); if (!mmc) diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c index 58cc3c94f579..5e9d4c9c0186 100644 --- a/drivers/mmc/host/vub300.c +++ b/drivers/mmc/host/vub300.c @@ -1715,6 +1715,9 @@ static void construct_request_response(struct vub300_mmc_host *vub300, int bytes = 3 & less_cmd; int words = less_cmd >> 2; u8 *r = vub300->resp.response.command_response; + + if (!resp_len) + return; if (bytes == 3) { cmd->resp[words] = (r[1 + (words << 2)] << 24) | (r[2 + (words << 2)] << 16) diff --git a/drivers/mtd/devices/msm_qpic_nand.c b/drivers/mtd/devices/msm_qpic_nand.c index 41fadf756ac3..329e7ebbd191 100644 --- a/drivers/mtd/devices/msm_qpic_nand.c +++ b/drivers/mtd/devices/msm_qpic_nand.c @@ -231,20 +231,27 @@ static void msm_nand_print_rpm_info(struct device *dev) static int msm_nand_suspend(struct device *dev) { int ret = 0; + struct msm_nand_info *info = dev_get_drvdata(dev); + + mutex_lock(&info->lock); if (!pm_runtime_suspended(dev)) ret = msm_nand_runtime_suspend(dev); + mutex_unlock(&info->lock); return ret; } static int msm_nand_resume(struct device *dev) { int ret = 0; + struct msm_nand_info *info = dev_get_drvdata(dev); + mutex_lock(&info->lock); if (!pm_runtime_suspended(dev)) ret = msm_nand_runtime_resume(dev); + mutex_unlock(&info->lock); return ret; } #else diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.h b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.h index 2cda439b5e11..017868f59f22 100644 --- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.h +++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.h @@ -36,25 +36,25 @@ int ingenic_ecc_correct(struct ingenic_ecc *ecc, void ingenic_ecc_release(struct ingenic_ecc *ecc); struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *np); #else /* CONFIG_MTD_NAND_INGENIC_ECC */ -int ingenic_ecc_calculate(struct ingenic_ecc *ecc, +static inline int ingenic_ecc_calculate(struct ingenic_ecc *ecc, struct ingenic_ecc_params *params, const u8 *buf, u8 *ecc_code) { return -ENODEV; } -int ingenic_ecc_correct(struct ingenic_ecc *ecc, +static inline int ingenic_ecc_correct(struct ingenic_ecc *ecc, struct ingenic_ecc_params *params, u8 *buf, u8 *ecc_code) { return -ENODEV; } -void ingenic_ecc_release(struct ingenic_ecc *ecc) +static inline void ingenic_ecc_release(struct ingenic_ecc *ecc) { } -struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *np) +static inline struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *np) { return ERR_PTR(-ENODEV); } diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index 36cb0db02bbb..c49a3e105b42 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -2401,6 +2401,12 @@ static int marvell_nfc_setup_data_interface(struct nand_chip *chip, int chipnr, NDTR1_WAIT_MODE; } + /* + * Reset nfc->selected_chip so the next command will cause the timing + * registers to be updated in marvell_nfc_select_target(). + */ + nfc->selected_chip = NULL; + return 0; } @@ -2828,10 +2834,6 @@ static int marvell_nfc_init(struct marvell_nfc *nfc) regmap_update_bits(sysctrl_base, GENCONF_CLK_GATING_CTRL, GENCONF_CLK_GATING_CTRL_ND_GATE, GENCONF_CLK_GATING_CTRL_ND_GATE); - - regmap_update_bits(sysctrl_base, GENCONF_ND_CLK_CTRL, - GENCONF_ND_CLK_CTRL_EN, - GENCONF_ND_CLK_CTRL_EN); } /* Configure the DMA if appropriate */ diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 312738124ea1..29f3d39138e8 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -72,6 +72,7 @@ #define GENCMDIADDRH(aih, addr) ((aih) | (((addr) >> 16) & 0xffff)) #define DMA_DIR(dir) ((dir) ? NFC_CMD_N2M : NFC_CMD_M2N) +#define DMA_ADDR_ALIGN 8 #define ECC_CHECK_RETURN_FF (-1) @@ -838,6 +839,9 @@ static int meson_nfc_read_oob(struct nand_chip *nand, int page) static bool meson_nfc_is_buffer_dma_safe(const void *buffer) { + if ((uintptr_t)buffer % DMA_ADDR_ALIGN) + return false; + if (virt_addr_valid(buffer) && (!object_is_on_stack(buffer))) return true; return false; @@ -1173,7 +1177,6 @@ static int meson_nand_attach_chip(struct nand_chip *nand) struct meson_nfc *nfc = nand_get_controller_data(nand); struct meson_nfc_nand_chip *meson_chip = to_meson_nand(nand); struct mtd_info *mtd = nand_to_mtd(nand); - int nsectors = mtd->writesize / 1024; int ret; if (!mtd->name) { @@ -1191,7 +1194,7 @@ static int meson_nand_attach_chip(struct nand_chip *nand) nand->options |= NAND_NO_SUBPAGE_WRITE; ret = nand_ecc_choose_conf(nand, nfc->data->ecc_caps, - mtd->oobsize - 2 * nsectors); + mtd->oobsize - 2); if (ret) { dev_err(nfc->dev, "failed to ECC init\n"); return -EINVAL; diff --git a/drivers/mtd/nand/raw/nand_ecc.c b/drivers/mtd/nand/raw/nand_ecc.c index 09fdced659f5..b6a46b1b7781 100644 --- a/drivers/mtd/nand/raw/nand_ecc.c +++ b/drivers/mtd/nand/raw/nand_ecc.c @@ -131,7 +131,7 @@ void __nand_calculate_ecc(const unsigned char *buf, unsigned int eccsize, /* rp0..rp15..rp17 are the various accumulated parities (per byte) */ uint32_t rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7; uint32_t rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15, rp16; - uint32_t uninitialized_var(rp17); /* to make compiler happy */ + uint32_t rp17; uint32_t par; /* the cumulative parity for all data */ uint32_t tmppar; /* the cumulative parity for this iteration; for rp12, rp14 and rp16 at the end of the diff --git a/drivers/mtd/nand/raw/omap_elm.c b/drivers/mtd/nand/raw/omap_elm.c index 6e0e31eab7cc..c4064f8fd611 100644 --- a/drivers/mtd/nand/raw/omap_elm.c +++ b/drivers/mtd/nand/raw/omap_elm.c @@ -174,17 +174,17 @@ static void elm_load_syndrome(struct elm_info *info, switch (info->bch_type) { case BCH8_ECC: /* syndrome fragment 0 = ecc[9-12B] */ - val = cpu_to_be32(*(u32 *) &ecc[9]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[9]); elm_write_reg(info, offset, val); /* syndrome fragment 1 = ecc[5-8B] */ offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[5]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[5]); elm_write_reg(info, offset, val); /* syndrome fragment 2 = ecc[1-4B] */ offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[1]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[1]); elm_write_reg(info, offset, val); /* syndrome fragment 3 = ecc[0B] */ @@ -194,35 +194,35 @@ static void elm_load_syndrome(struct elm_info *info, break; case BCH4_ECC: /* syndrome fragment 0 = ecc[20-52b] bits */ - val = (cpu_to_be32(*(u32 *) &ecc[3]) >> 4) | + val = ((__force u32)cpu_to_be32(*(u32 *)&ecc[3]) >> 4) | ((ecc[2] & 0xf) << 28); elm_write_reg(info, offset, val); /* syndrome fragment 1 = ecc[0-20b] bits */ offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[0]) >> 12; + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[0]) >> 12; elm_write_reg(info, offset, val); break; case BCH16_ECC: - val = cpu_to_be32(*(u32 *) &ecc[22]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[22]); elm_write_reg(info, offset, val); offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[18]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[18]); elm_write_reg(info, offset, val); offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[14]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[14]); elm_write_reg(info, offset, val); offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[10]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[10]); elm_write_reg(info, offset, val); offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[6]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[6]); elm_write_reg(info, offset, val); offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[2]); + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[2]); elm_write_reg(info, offset, val); offset += 4; - val = cpu_to_be32(*(u32 *) &ecc[0]) >> 16; + val = (__force u32)cpu_to_be32(*(u32 *)&ecc[0]) >> 16; elm_write_reg(info, offset, val); break; default: diff --git a/drivers/mtd/nand/raw/s3c2410.c b/drivers/mtd/nand/raw/s3c2410.c index 0009c1820e21..93dbe35dd30b 100644 --- a/drivers/mtd/nand/raw/s3c2410.c +++ b/drivers/mtd/nand/raw/s3c2410.c @@ -291,7 +291,7 @@ static int s3c2410_nand_setrate(struct s3c2410_nand_info *info) int tacls_max = (info->cpu_type == TYPE_S3C2412) ? 8 : 4; int tacls, twrph0, twrph1; unsigned long clkrate = clk_get_rate(info->clk); - unsigned long uninitialized_var(set), cfg, uninitialized_var(mask); + unsigned long set, cfg, mask; unsigned long flags; /* calculate the timing information for the controller */ diff --git a/drivers/mtd/nand/spi/macronix.c b/drivers/mtd/nand/spi/macronix.c index 21def3f8fb36..bbb1d68bce4a 100644 --- a/drivers/mtd/nand/spi/macronix.c +++ b/drivers/mtd/nand/spi/macronix.c @@ -116,6 +116,22 @@ static const struct spinand_info macronix_spinand_table[] = { &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), + SPINAND_INFO("MX35LF2GE4AD", 0x26, + NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), + SPINAND_INFO("MX35LF4GE4AD", 0x37, + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), }; static int macronix_spinand_detect(struct spinand_device *spinand) diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c index 1cb3760ff779..b3ed6b42a76f 100644 --- a/drivers/mtd/nand/spi/toshiba.c +++ b/drivers/mtd/nand/spi/toshiba.c @@ -60,7 +60,7 @@ static int tc58cxgxsx_ecc_get_status(struct spinand_device *spinand, { struct nand_device *nand = spinand_to_nand(spinand); u8 mbf = 0; - struct spi_mem_op op = SPINAND_GET_FEATURE_OP(0x30, &mbf); + struct spi_mem_op op = SPINAND_GET_FEATURE_OP(0x30, spinand->scratchbuf); switch (status & STATUS_ECC_MASK) { case STATUS_ECC_NO_BITFLIPS: @@ -79,7 +79,7 @@ static int tc58cxgxsx_ecc_get_status(struct spinand_device *spinand, if (spi_mem_exec_op(spinand->spimem, &op)) return nand->eccreq.strength; - mbf >>= 4; + mbf = *(spinand->scratchbuf) >> 4; if (WARN_ON(mbf > nand->eccreq.strength || !mbf)) return nand->eccreq.strength; diff --git a/drivers/mtd/parsers/afs.c b/drivers/mtd/parsers/afs.c index 8fd61767af83..26116694c821 100644 --- a/drivers/mtd/parsers/afs.c +++ b/drivers/mtd/parsers/afs.c @@ -126,8 +126,8 @@ static int afs_parse_v1_partition(struct mtd_info *mtd, * Static checks cannot see that we bail out if we have an error * reading the footer. */ - u_int uninitialized_var(iis_ptr); - u_int uninitialized_var(img_ptr); + u_int iis_ptr; + u_int img_ptr; u_int ptr; size_t sz; int ret; diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c index 97a5e1eaeefd..7bdc558d8560 100644 --- a/drivers/mtd/spi-nor/cadence-quadspi.c +++ b/drivers/mtd/spi-nor/cadence-quadspi.c @@ -34,6 +34,7 @@ /* Quirks */ #define CQSPI_NEEDS_WR_DELAY BIT(0) +#define CQSPI_DISABLE_DAC_MODE BIT(1) /* Capabilities mask */ #define CQSPI_BASE_HWCAPS_MASK \ @@ -77,9 +78,6 @@ struct cqspi_st { dma_addr_t mmap_phys_base; int current_cs; - int current_page_size; - int current_erase_size; - int current_addr_width; unsigned long master_ref_clk_hz; bool is_decoded_cs; u32 fifo_depth; @@ -736,32 +734,6 @@ static void cqspi_chipselect(struct spi_nor *nor) writel(reg, reg_base + CQSPI_REG_CONFIG); } -static void cqspi_configure_cs_and_sizes(struct spi_nor *nor) -{ - struct cqspi_flash_pdata *f_pdata = nor->priv; - struct cqspi_st *cqspi = f_pdata->cqspi; - void __iomem *iobase = cqspi->iobase; - unsigned int reg; - - /* configure page size and block size. */ - reg = readl(iobase + CQSPI_REG_SIZE); - reg &= ~(CQSPI_REG_SIZE_PAGE_MASK << CQSPI_REG_SIZE_PAGE_LSB); - reg &= ~(CQSPI_REG_SIZE_BLOCK_MASK << CQSPI_REG_SIZE_BLOCK_LSB); - reg &= ~CQSPI_REG_SIZE_ADDRESS_MASK; - reg |= (nor->page_size << CQSPI_REG_SIZE_PAGE_LSB); - reg |= (ilog2(nor->mtd.erasesize) << CQSPI_REG_SIZE_BLOCK_LSB); - reg |= (nor->addr_width - 1); - writel(reg, iobase + CQSPI_REG_SIZE); - - /* configure the chip select */ - cqspi_chipselect(nor); - - /* Store the new configuration of the controller */ - cqspi->current_page_size = nor->page_size; - cqspi->current_erase_size = nor->mtd.erasesize; - cqspi->current_addr_width = nor->addr_width; -} - static unsigned int calculate_ticks_for_ns(const unsigned int ref_clk_hz, const unsigned int ns_val) { @@ -867,18 +839,13 @@ static void cqspi_configure(struct spi_nor *nor) int switch_cs = (cqspi->current_cs != f_pdata->cs); int switch_ck = (cqspi->sclk != sclk); - if ((cqspi->current_page_size != nor->page_size) || - (cqspi->current_erase_size != nor->mtd.erasesize) || - (cqspi->current_addr_width != nor->addr_width)) - switch_cs = 1; - if (switch_cs || switch_ck) cqspi_controller_enable(cqspi, 0); /* Switch chip select. */ if (switch_cs) { cqspi->current_cs = f_pdata->cs; - cqspi_configure_cs_and_sizes(nor); + cqspi_chipselect(nor); } /* Setup baudrate divisor and delays */ @@ -1201,7 +1168,7 @@ static void cqspi_controller_init(struct cqspi_st *cqspi) cqspi_controller_enable(cqspi, 1); } -static void cqspi_request_mmap_dma(struct cqspi_st *cqspi) +static int cqspi_request_mmap_dma(struct cqspi_st *cqspi) { dma_cap_mask_t mask; @@ -1210,10 +1177,16 @@ static void cqspi_request_mmap_dma(struct cqspi_st *cqspi) cqspi->rx_chan = dma_request_chan_by_mask(&mask); if (IS_ERR(cqspi->rx_chan)) { - dev_err(&cqspi->pdev->dev, "No Rx DMA available\n"); + int ret = PTR_ERR(cqspi->rx_chan); + + if (ret != -EPROBE_DEFER) + dev_err(&cqspi->pdev->dev, "No Rx DMA available\n"); cqspi->rx_chan = NULL; + return ret; } init_completion(&cqspi->rx_dma_complete); + + return 0; } static int cqspi_setup_flash(struct cqspi_st *cqspi, struct device_node *np) @@ -1291,13 +1264,17 @@ static int cqspi_setup_flash(struct cqspi_st *cqspi, struct device_node *np) f_pdata->registered = true; - if (mtd->size <= cqspi->ahb_size) { + if (mtd->size <= cqspi->ahb_size && + !(ddata->quirks & CQSPI_DISABLE_DAC_MODE)) { f_pdata->use_direct_mode = true; dev_dbg(nor->dev, "using direct mode for %s\n", mtd->name); - if (!cqspi->rx_chan) - cqspi_request_mmap_dma(cqspi); + if (!cqspi->rx_chan) { + ret = cqspi_request_mmap_dma(cqspi); + if (ret == -EPROBE_DEFER) + goto err; + } } } @@ -1464,17 +1441,30 @@ static int cqspi_remove(struct platform_device *pdev) static int cqspi_suspend(struct device *dev) { struct cqspi_st *cqspi = dev_get_drvdata(dev); + struct spi_master *master = dev_get_drvdata(dev); + int ret; + ret = spi_master_suspend(master); cqspi_controller_enable(cqspi, 0); - return 0; + + clk_disable_unprepare(cqspi->clk); + + return ret; } static int cqspi_resume(struct device *dev) { struct cqspi_st *cqspi = dev_get_drvdata(dev); + struct spi_master *master = dev_get_drvdata(dev); - cqspi_controller_enable(cqspi, 1); - return 0; + clk_prepare_enable(cqspi->clk); + cqspi_wait_idle(cqspi); + cqspi_controller_init(cqspi); + + cqspi->current_cs = -1; + cqspi->sclk = 0; + + return spi_master_resume(master); } static const struct dev_pm_ops cqspi__dev_pm_ops = { @@ -1489,6 +1479,7 @@ static const struct dev_pm_ops cqspi__dev_pm_ops = { static const struct cqspi_driver_platdata cdns_qspi = { .hwcaps_mask = CQSPI_BASE_HWCAPS_MASK, + .quirks = CQSPI_DISABLE_DAC_MODE, }; static const struct cqspi_driver_platdata k2g_qspi = { diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 5133e1be5331..b4cdf2351cac 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -599,7 +599,7 @@ int ubi_eba_read_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum, int err, pnum, scrub = 0, vol_id = vol->vol_id; struct ubi_vid_io_buf *vidb; struct ubi_vid_hdr *vid_hdr; - uint32_t uninitialized_var(crc); + uint32_t crc; err = leb_read_lock(ubi, vol_id, lnum); if (err) @@ -947,7 +947,7 @@ static int try_write_vid_and_data(struct ubi_volume *vol, int lnum, int offset, int len) { struct ubi_device *ubi = vol->ubi; - int pnum, opnum, err, vol_id = vol->vol_id; + int pnum, opnum, err, err2, vol_id = vol->vol_id; pnum = ubi_wl_get_peb(ubi); if (pnum < 0) { @@ -982,10 +982,19 @@ static int try_write_vid_and_data(struct ubi_volume *vol, int lnum, out_put: up_read(&ubi->fm_eba_sem); - if (err && pnum >= 0) - err = ubi_wl_put_peb(ubi, vol_id, lnum, pnum, 1); - else if (!err && opnum >= 0) - err = ubi_wl_put_peb(ubi, vol_id, lnum, opnum, 0); + if (err && pnum >= 0) { + err2 = ubi_wl_put_peb(ubi, vol_id, lnum, pnum, 1); + if (err2) { + ubi_warn(ubi, "failed to return physical eraseblock %d, error %d", + pnum, err2); + } + } else if (!err && opnum >= 0) { + err2 = ubi_wl_put_peb(ubi, vol_id, lnum, opnum, 0); + if (err2) { + ubi_warn(ubi, "failed to return physical eraseblock %d, error %d", + opnum, err2); + } + } return err; } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 0885991347d0..afd327e88cf5 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1153,6 +1153,11 @@ static void bond_setup_by_slave(struct net_device *bond_dev, memcpy(bond_dev->broadcast, slave_dev->broadcast, slave_dev->addr_len); + + if (slave_dev->flags & IFF_POINTOPOINT) { + bond_dev->flags &= ~(IFF_BROADCAST | IFF_MULTICAST); + bond_dev->flags |= (IFF_POINTOPOINT | IFF_NOARP); + } } /* On bonding slaves other than the currently active slave, suppress @@ -3239,7 +3244,11 @@ static int bond_slave_netdev_event(unsigned long event, unblock_netpoll_tx(); break; case NETDEV_FEAT_CHANGE: - bond_compute_features(bond); + if (!bond->notifier_ctx) { + bond->notifier_ctx = true; + bond_compute_features(bond); + bond->notifier_ctx = false; + } break; case NETDEV_RESEND_IGMP: /* Propagate to master device */ @@ -4442,7 +4451,9 @@ void bond_setup(struct net_device *bond_dev) bond_dev->hw_features = BOND_VLAN_FEATURES | NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_HW_VLAN_CTAG_FILTER; + NETIF_F_HW_VLAN_CTAG_FILTER | + NETIF_F_HW_VLAN_STAG_RX | + NETIF_F_HW_VLAN_STAG_FILTER; bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4; bond_dev->features |= bond_dev->hw_features; @@ -4878,6 +4889,8 @@ static int bond_init(struct net_device *bond_dev) if (!bond->wq) return -ENOMEM; + bond->notifier_ctx = false; + spin_lock_init(&bond->stats_lock); lockdep_register_key(&bond->stats_lock_key); lockdep_set_class(&bond->stats_lock, &bond->stats_lock_key); diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index a761092e6ac9..f929db893957 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -1451,7 +1451,7 @@ static int ican3_napi(struct napi_struct *napi, int budget) /* process all communication messages */ while (true) { - struct ican3_msg uninitialized_var(msg); + struct ican3_msg msg; ret = ican3_recv_msg(mod, &msg); if (ret) break; diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index faa78d38d752..560a0a5ba6f3 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -70,10 +70,12 @@ MODULE_DESCRIPTION("CAN driver for Kvaser CAN/PCIe devices"); #define KVASER_PCIEFD_SYSID_BUILD_REG (KVASER_PCIEFD_SYSID_BASE + 0x14) /* Shared receive buffer registers */ #define KVASER_PCIEFD_SRB_BASE 0x1f200 +#define KVASER_PCIEFD_SRB_FIFO_LAST_REG (KVASER_PCIEFD_SRB_BASE + 0x1f4) #define KVASER_PCIEFD_SRB_CMD_REG (KVASER_PCIEFD_SRB_BASE + 0x200) #define KVASER_PCIEFD_SRB_IEN_REG (KVASER_PCIEFD_SRB_BASE + 0x204) #define KVASER_PCIEFD_SRB_IRQ_REG (KVASER_PCIEFD_SRB_BASE + 0x20c) #define KVASER_PCIEFD_SRB_STAT_REG (KVASER_PCIEFD_SRB_BASE + 0x210) +#define KVASER_PCIEFD_SRB_RX_NR_PACKETS_REG (KVASER_PCIEFD_SRB_BASE + 0x214) #define KVASER_PCIEFD_SRB_CTRL_REG (KVASER_PCIEFD_SRB_BASE + 0x218) /* EPCS flash controller registers */ #define KVASER_PCIEFD_SPI_BASE 0x1fc00 @@ -110,6 +112,9 @@ MODULE_DESCRIPTION("CAN driver for Kvaser CAN/PCIe devices"); /* DMA support */ #define KVASER_PCIEFD_SRB_STAT_DMA BIT(24) +/* SRB current packet level */ +#define KVASER_PCIEFD_SRB_RX_NR_PACKETS_MASK 0xff + /* DMA Enable */ #define KVASER_PCIEFD_SRB_CTRL_DMA_ENABLE BIT(0) @@ -528,7 +533,7 @@ static int kvaser_pciefd_set_tx_irq(struct kvaser_pciefd_can *can) KVASER_PCIEFD_KCAN_IRQ_TOF | KVASER_PCIEFD_KCAN_IRQ_ABD | KVASER_PCIEFD_KCAN_IRQ_TAE | KVASER_PCIEFD_KCAN_IRQ_TAL | KVASER_PCIEFD_KCAN_IRQ_FDIC | KVASER_PCIEFD_KCAN_IRQ_BPP | - KVASER_PCIEFD_KCAN_IRQ_TAR | KVASER_PCIEFD_KCAN_IRQ_TFD; + KVASER_PCIEFD_KCAN_IRQ_TAR; iowrite32(msk, can->reg_base + KVASER_PCIEFD_KCAN_IEN_REG); @@ -556,6 +561,8 @@ static void kvaser_pciefd_setup_controller(struct kvaser_pciefd_can *can) if (can->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) mode |= KVASER_PCIEFD_KCAN_MODE_LOM; + else + mode &= ~KVASER_PCIEFD_KCAN_MODE_LOM; mode |= KVASER_PCIEFD_KCAN_MODE_EEN; mode |= KVASER_PCIEFD_KCAN_MODE_EPEN; @@ -574,7 +581,7 @@ static void kvaser_pciefd_start_controller_flush(struct kvaser_pciefd_can *can) spin_lock_irqsave(&can->lock, irq); iowrite32(-1, can->reg_base + KVASER_PCIEFD_KCAN_IRQ_REG); - iowrite32(KVASER_PCIEFD_KCAN_IRQ_ABD | KVASER_PCIEFD_KCAN_IRQ_TFD, + iowrite32(KVASER_PCIEFD_KCAN_IRQ_ABD, can->reg_base + KVASER_PCIEFD_KCAN_IEN_REG); status = ioread32(can->reg_base + KVASER_PCIEFD_KCAN_STAT_REG); @@ -617,7 +624,7 @@ static int kvaser_pciefd_bus_on(struct kvaser_pciefd_can *can) iowrite32(0, can->reg_base + KVASER_PCIEFD_KCAN_IEN_REG); iowrite32(-1, can->reg_base + KVASER_PCIEFD_KCAN_IRQ_REG); - iowrite32(KVASER_PCIEFD_KCAN_IRQ_ABD | KVASER_PCIEFD_KCAN_IRQ_TFD, + iowrite32(KVASER_PCIEFD_KCAN_IRQ_ABD, can->reg_base + KVASER_PCIEFD_KCAN_IEN_REG); mode = ioread32(can->reg_base + KVASER_PCIEFD_KCAN_MODE_REG); @@ -719,6 +726,7 @@ static int kvaser_pciefd_stop(struct net_device *netdev) iowrite32(0, can->reg_base + KVASER_PCIEFD_KCAN_IEN_REG); del_timer(&can->bec_poll_timer); } + can->can.state = CAN_STATE_STOPPED; close_candev(netdev); return ret; @@ -1001,8 +1009,7 @@ static int kvaser_pciefd_setup_can_ctrls(struct kvaser_pciefd *pcie) SET_NETDEV_DEV(netdev, &pcie->pci->dev); iowrite32(-1, can->reg_base + KVASER_PCIEFD_KCAN_IRQ_REG); - iowrite32(KVASER_PCIEFD_KCAN_IRQ_ABD | - KVASER_PCIEFD_KCAN_IRQ_TFD, + iowrite32(KVASER_PCIEFD_KCAN_IRQ_ABD, can->reg_base + KVASER_PCIEFD_KCAN_IEN_REG); pcie->can[i] = can; @@ -1052,6 +1059,7 @@ static int kvaser_pciefd_setup_dma(struct kvaser_pciefd *pcie) { int i; u32 srb_status; + u32 srb_packet_count; dma_addr_t dma_addr[KVASER_PCIEFD_DMA_COUNT]; /* Disable the DMA */ @@ -1079,6 +1087,15 @@ static int kvaser_pciefd_setup_dma(struct kvaser_pciefd *pcie) KVASER_PCIEFD_SRB_CMD_RDB1, pcie->reg_base + KVASER_PCIEFD_SRB_CMD_REG); + /* Empty Rx FIFO */ + srb_packet_count = ioread32(pcie->reg_base + KVASER_PCIEFD_SRB_RX_NR_PACKETS_REG) & + KVASER_PCIEFD_SRB_RX_NR_PACKETS_MASK; + while (srb_packet_count) { + /* Drop current packet in FIFO */ + ioread32(pcie->reg_base + KVASER_PCIEFD_SRB_FIFO_LAST_REG); + srb_packet_count--; + } + srb_status = ioread32(pcie->reg_base + KVASER_PCIEFD_SRB_STAT_REG); if (!(srb_status & KVASER_PCIEFD_SRB_STAT_DI)) { dev_err(&pcie->pci->dev, "DMA not idle before enabling\n"); @@ -1421,9 +1438,6 @@ static int kvaser_pciefd_handle_status_packet(struct kvaser_pciefd *pcie, cmd = KVASER_PCIEFD_KCAN_CMD_AT; cmd |= ++can->cmd_seq << KVASER_PCIEFD_KCAN_CMD_SEQ_SHIFT; iowrite32(cmd, can->reg_base + KVASER_PCIEFD_KCAN_CMD_REG); - - iowrite32(KVASER_PCIEFD_KCAN_IRQ_TFD, - can->reg_base + KVASER_PCIEFD_KCAN_IEN_REG); } else if (p->header[0] & KVASER_PCIEFD_SPACK_IDET && p->header[0] & KVASER_PCIEFD_SPACK_IRM && cmdseq == (p->header[1] & KVASER_PCIEFD_PACKET_SEQ_MSK) && @@ -1712,15 +1726,6 @@ static int kvaser_pciefd_transmit_irq(struct kvaser_pciefd_can *can) if (irq & KVASER_PCIEFD_KCAN_IRQ_TOF) netdev_err(can->can.dev, "Tx FIFO overflow\n"); - if (irq & KVASER_PCIEFD_KCAN_IRQ_TFD) { - u8 count = ioread32(can->reg_base + - KVASER_PCIEFD_KCAN_TX_NPACKETS_REG) & 0xff; - - if (count == 0) - iowrite32(KVASER_PCIEFD_KCAN_CTRL_EFLUSH, - can->reg_base + KVASER_PCIEFD_KCAN_CTRL_REG); - } - if (irq & KVASER_PCIEFD_KCAN_IRQ_BPP) netdev_err(can->can.dev, "Fail to change bittiming, when not in reset mode\n"); @@ -1822,6 +1827,11 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev, if (err) goto err_teardown_can_ctrls; + err = request_irq(pcie->pci->irq, kvaser_pciefd_irq_handler, + IRQF_SHARED, KVASER_PCIEFD_DRV_NAME, pcie); + if (err) + goto err_teardown_can_ctrls; + iowrite32(KVASER_PCIEFD_SRB_IRQ_DPD0 | KVASER_PCIEFD_SRB_IRQ_DPD1, pcie->reg_base + KVASER_PCIEFD_SRB_IRQ_REG); @@ -1842,11 +1852,6 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev, iowrite32(KVASER_PCIEFD_SRB_CMD_RDB1, pcie->reg_base + KVASER_PCIEFD_SRB_CMD_REG); - err = request_irq(pcie->pci->irq, kvaser_pciefd_irq_handler, - IRQF_SHARED, KVASER_PCIEFD_DRV_NAME, pcie); - if (err) - goto err_teardown_can_ctrls; - err = kvaser_pciefd_reg_candev(pcie); if (err) goto err_free_irq; @@ -1854,6 +1859,8 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev, return 0; err_free_irq: + /* Disable PCI interrupts */ + iowrite32(0, pcie->reg_base + KVASER_PCIEFD_IEN_REG); free_irq(pcie->pci->irq, pcie); err_teardown_can_ctrls: diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index abd2a57b18cb..de5e5385fc11 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -732,6 +732,8 @@ static int gs_can_close(struct net_device *netdev) usb_kill_anchored_urbs(&dev->tx_submitted); atomic_set(&dev->active_tx_urbs, 0); + dev->can.state = CAN_STATE_STOPPED; + /* reset the device */ rc = gs_cmd_reset(dev); if (rc < 0) diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index 625db92792da..67f8faa22783 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -1187,8 +1187,6 @@ static int lan9303_port_fdb_add(struct dsa_switch *ds, int port, struct lan9303 *chip = ds->priv; dev_dbg(chip->dev, "%s(%d, %pM, %d)\n", __func__, port, addr, vid); - if (vid) - return -EOPNOTSUPP; return lan9303_alr_add_port(chip, addr, port, false); } @@ -1200,8 +1198,6 @@ static int lan9303_port_fdb_del(struct dsa_switch *ds, int port, struct lan9303 *chip = ds->priv; dev_dbg(chip->dev, "%s(%d, %pM, %d)\n", __func__, port, addr, vid); - if (vid) - return -EOPNOTSUPP; lan9303_alr_del_port(chip, addr, port); return 0; diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 2d8382eb9add..935004f5f5fe 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -397,9 +397,9 @@ mt7530_pad_clk_setup(struct dsa_switch *ds, int mode) case PHY_INTERFACE_MODE_TRGMII: trgint = 1; if (priv->id == ID_MT7621) { - /* PLL frequency: 150MHz: 1.2GBit */ + /* PLL frequency: 125MHz: 1.0GBit */ if (xtal == HWTRAP_XTAL_40MHZ) - ncpo1 = 0x0780; + ncpo1 = 0x0640; if (xtal == HWTRAP_XTAL_25MHZ) ncpo1 = 0x0a00; } else { /* PLL frequency: 250MHz: 2.0Gbit */ @@ -644,7 +644,7 @@ mt7530_cpu_port_enable(struct mt7530_priv *priv, mt7530_rmw(priv, MT7530_MFC, UNM_FFP_MASK, UNM_FFP(BIT(port))); /* Set CPU port number */ - if (priv->id == ID_MT7621) + if (priv->id == ID_MT7530 || priv->id == ID_MT7621) mt7530_rmw(priv, MT7530_MFC, CPU_MASK, CPU_EN | CPU_PORT(port)); /* CPU port gets connected to all user ports of diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index ea32be579e7b..393ee145ae06 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -3876,6 +3876,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = { .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, + .mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, .vtu_getnext = mv88e6185_g1_vtu_getnext, .vtu_loadpurge = mv88e6185_g1_vtu_loadpurge, @@ -5095,7 +5096,7 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev) goto out; } if (chip->reset) - usleep_range(1000, 2000); + usleep_range(10000, 20000); err = mv88e6xxx_detect(chip); if (err) diff --git a/drivers/net/ethernet/3com/3c589_cs.c b/drivers/net/ethernet/3com/3c589_cs.c index 2b2695311bda..aab26dbe76ff 100644 --- a/drivers/net/ethernet/3com/3c589_cs.c +++ b/drivers/net/ethernet/3com/3c589_cs.c @@ -196,6 +196,7 @@ static int tc589_probe(struct pcmcia_device *link) { struct el3_private *lp; struct net_device *dev; + int ret; dev_dbg(&link->dev, "3c589_attach()\n"); @@ -219,7 +220,15 @@ static int tc589_probe(struct pcmcia_device *link) dev->ethtool_ops = &netdev_ethtool_ops; - return tc589_config(link); + ret = tc589_config(link); + if (ret) + goto err_free_netdev; + + return 0; + +err_free_netdev: + free_netdev(dev); + return ret; } static void tc589_detach(struct pcmcia_device *link) diff --git a/drivers/net/ethernet/amd/nmclan_cs.c b/drivers/net/ethernet/amd/nmclan_cs.c index 9c152d85840d..c9d2a6f15062 100644 --- a/drivers/net/ethernet/amd/nmclan_cs.c +++ b/drivers/net/ethernet/amd/nmclan_cs.c @@ -652,7 +652,7 @@ static int nmclan_config(struct pcmcia_device *link) } else { pr_notice("mace id not found: %x %x should be 0x40 0x?9\n", sig[0], sig[1]); - return -ENODEV; + goto failed; } } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c index 7840eb4cdb8d..d291976d8b76 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c @@ -1312,7 +1312,7 @@ static enum xgbe_mode xgbe_phy_status_aneg(struct xgbe_prv_data *pdata) return pdata->phy_if.phy_impl.an_outcome(pdata); } -static void xgbe_phy_status_result(struct xgbe_prv_data *pdata) +static bool xgbe_phy_status_result(struct xgbe_prv_data *pdata) { struct ethtool_link_ksettings *lks = &pdata->phy.lks; enum xgbe_mode mode; @@ -1347,8 +1347,13 @@ static void xgbe_phy_status_result(struct xgbe_prv_data *pdata) pdata->phy.duplex = DUPLEX_FULL; - if (xgbe_set_mode(pdata, mode) && pdata->an_again) + if (!xgbe_set_mode(pdata, mode)) + return false; + + if (pdata->an_again) xgbe_phy_reconfig_aneg(pdata); + + return true; } static void xgbe_phy_status(struct xgbe_prv_data *pdata) @@ -1378,7 +1383,8 @@ static void xgbe_phy_status(struct xgbe_prv_data *pdata) return; } - xgbe_phy_status_result(pdata); + if (xgbe_phy_status_result(pdata)) + return; if (test_bit(XGBE_LINK_INIT, &pdata->dev_state)) clear_bit(XGBE_LINK_INIT, &pdata->dev_state); diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 4f7b65825c15..6bdd79a05719 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -1638,8 +1638,11 @@ static int atl1e_tso_csum(struct atl1e_adapter *adapter, real_len = (((unsigned char *)ip_hdr(skb) - skb->data) + ntohs(ip_hdr(skb)->tot_len)); - if (real_len < skb->len) - pskb_trim(skb, real_len); + if (real_len < skb->len) { + err = pskb_trim(skb, real_len); + if (err) + return err; + } hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); if (unlikely(skb->len == hdr_len)) { diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 193722334d93..89a63fdbe0e3 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -890,13 +890,13 @@ static void bgmac_chip_reset_idm_config(struct bgmac *bgmac) if (iost & BGMAC_BCMA_IOST_ATTACHED) { flags = BGMAC_BCMA_IOCTL_SW_CLKEN; - if (!bgmac->has_robosw) + if (bgmac->in_init || !bgmac->has_robosw) flags |= BGMAC_BCMA_IOCTL_SW_RESET; } bgmac_clk_enable(bgmac, flags); } - if (iost & BGMAC_BCMA_IOST_ATTACHED && !bgmac->has_robosw) + if (iost & BGMAC_BCMA_IOST_ATTACHED && (bgmac->in_init || !bgmac->has_robosw)) bgmac_idm_write(bgmac, BCMA_IOCTL, bgmac_idm_read(bgmac, BCMA_IOCTL) & ~BGMAC_BCMA_IOCTL_SW_RESET); @@ -1489,6 +1489,8 @@ int bgmac_enet_probe(struct bgmac *bgmac) struct net_device *net_dev = bgmac->net_dev; int err; + bgmac->in_init = true; + bgmac_chip_intrs_off(bgmac); net_dev->irq = bgmac->irq; @@ -1538,6 +1540,8 @@ int bgmac_enet_probe(struct bgmac *bgmac) net_dev->hw_features = net_dev->features; net_dev->vlan_features = net_dev->features; + bgmac->in_init = false; + err = register_netdev(bgmac->net_dev); if (err) { dev_err(bgmac->dev, "Cannot register net device\n"); diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h index 40d02fec2747..76930b8353d6 100644 --- a/drivers/net/ethernet/broadcom/bgmac.h +++ b/drivers/net/ethernet/broadcom/bgmac.h @@ -511,6 +511,8 @@ struct bgmac { int irq; u32 int_mask; + bool in_init; + /* Current MAC state */ int mac_speed; int mac_duplex; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index c3f67d8e1093..2cb347120852 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -1461,7 +1461,7 @@ bnx2_test_and_disable_2g5(struct bnx2 *bp) static void bnx2_enable_forced_2g5(struct bnx2 *bp) { - u32 uninitialized_var(bmcr); + u32 bmcr; int err; if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) @@ -1505,7 +1505,7 @@ bnx2_enable_forced_2g5(struct bnx2 *bp) static void bnx2_disable_forced_2g5(struct bnx2 *bp) { - u32 uninitialized_var(bmcr); + u32 bmcr; int err; if (!(bp->phy_flags & BNX2_PHY_FLAG_2_5G_CAPABLE)) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h index 066765fbef06..0a59a09ef82f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h @@ -296,7 +296,6 @@ static inline void bnx2x_dcb_config_qm(struct bnx2x *bp, enum cos_mode mode, * possible, the driver should only write the valid vnics into the internal * ram according to the appropriate port mode. */ -#define BITS_TO_BYTES(x) ((x)/8) /* CMNG constants, as derived from system spec calculations */ diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 2c71e838fa3d..7f8531574400 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -7781,6 +7781,9 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init) goto err_out; } + if (BNXT_VF(bp)) + bnxt_hwrm_func_qcfg(bp); + rc = bnxt_setup_vnic(bp, 0); if (rc) goto err_out; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 1b725a021455..750acbf29464 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2973,7 +2973,7 @@ err_clk_disable: return ret; } -static void bcmgenet_netif_stop(struct net_device *dev) +static void bcmgenet_netif_stop(struct net_device *dev, bool stop_phy) { struct bcmgenet_priv *priv = netdev_priv(dev); @@ -2988,7 +2988,8 @@ static void bcmgenet_netif_stop(struct net_device *dev) /* Disable MAC transmit. TX DMA disabled must be done before this */ umac_enable_set(priv, CMD_TX_EN, false); - phy_stop(dev->phydev); + if (stop_phy) + phy_stop(dev->phydev); bcmgenet_disable_rx_napi(priv); bcmgenet_intr_disable(priv); @@ -3014,7 +3015,7 @@ static int bcmgenet_close(struct net_device *dev) netif_dbg(priv, ifdown, dev, "bcmgenet_close\n"); - bcmgenet_netif_stop(dev); + bcmgenet_netif_stop(dev, false); /* Really kill the PHY state machine and disconnect from it */ phy_disconnect(dev->phydev); @@ -3712,7 +3713,7 @@ static int bcmgenet_suspend(struct device *d) netif_device_detach(dev); - bcmgenet_netif_stop(dev); + bcmgenet_netif_stop(dev, true); if (!device_may_wakeup(d)) phy_suspend(dev->phydev); diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index ce569b7d3b35..53495d39cc9c 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -618,5 +618,7 @@ void bcmgenet_mii_exit(struct net_device *dev) if (of_phy_is_fixed_link(dn)) of_phy_deregister_fixed_link(dn); of_node_put(priv->phy_dn); + clk_prepare_enable(priv->clk); platform_device_unregister(priv->mii_pdev); + clk_disable_unprepare(priv->clk); } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index d0cd86af29d9..b16517d162cf 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -230,6 +230,7 @@ MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); MODULE_FIRMWARE(FIRMWARE_TG3); +MODULE_FIRMWARE(FIRMWARE_TG357766); MODULE_FIRMWARE(FIRMWARE_TG3TSO); MODULE_FIRMWARE(FIRMWARE_TG3TSO5); diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 552877590a8a..a7a3e2ee0676 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1137,10 +1137,11 @@ static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? VLAN_ETH_HLEN : ETH_HLEN; if (skb->len <= 60 && - (lancer_chip(adapter) || skb_vlan_tag_present(skb)) && - is_ipv4_pkt(skb)) { + (lancer_chip(adapter) || BE3_chip(adapter) || + skb_vlan_tag_present(skb)) && is_ipv4_pkt(skb)) { ip = (struct iphdr *)ip_hdr(skb); - pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); + if (unlikely(pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)))) + goto tx_drop; } /* If vlan tag is already inlined in the packet, skip HW VLAN diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index e1b8c58c4d6b..f67f104049db 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3769,7 +3769,9 @@ fec_drv_remove(struct platform_device *pdev) ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) - return ret; + dev_err(&pdev->dev, + "Failed to resume device in remove callback (%pe)\n", + ERR_PTR(ret)); cancel_work_sync(&fep->tx_timeout_work); fec_ptp_stop(pdev); @@ -3782,8 +3784,13 @@ fec_drv_remove(struct platform_device *pdev) of_phy_deregister_fixed_link(np); of_node_put(fep->phy_node); - clk_disable_unprepare(fep->clk_ahb); - clk_disable_unprepare(fep->clk_ipg); + /* After pm_runtime_get_sync() failed, the clks are still off, so skip + * disabling them again. + */ + if (ret >= 0) { + clk_disable_unprepare(fep->clk_ahb); + clk_disable_unprepare(fep->clk_ipg); + } pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index d58abdfdb9b7..08277c3cf280 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -6688,12 +6688,15 @@ static void hclge_ae_stop(struct hnae3_handle *handle) /* If it is not PF reset or FLR, the firmware will disable the MAC, * so it only need to stop phy here. */ - if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) && - hdev->reset_type != HNAE3_FUNC_RESET && - hdev->reset_type != HNAE3_FLR_RESET) { - hclge_mac_stop_phy(hdev); - hclge_update_link_status(hdev); - return; + if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state)) { + hclge_pfc_pause_en_cfg(hdev, HCLGE_PFC_TX_RX_DISABLE, + HCLGE_PFC_DISABLE); + if (hdev->reset_type != HNAE3_FUNC_RESET && + hdev->reset_type != HNAE3_FLR_RESET) { + hclge_mac_stop_phy(hdev); + hclge_update_link_status(hdev); + return; + } } for (i = 0; i < handle->kinfo.num_tqps; i++) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c index 8448607742a6..2183e700f9d9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c @@ -170,8 +170,8 @@ int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx) return hclge_cmd_send(&hdev->hw, &desc, 1); } -static int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap, - u8 pfc_bitmap) +int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap, + u8 pfc_bitmap) { struct hclge_desc desc; struct hclge_pfc_en_cmd *pfc = (struct hclge_pfc_en_cmd *)desc.data; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h index 260f22d19d81..406084bb2307 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h @@ -109,6 +109,9 @@ struct hclge_bp_to_qs_map_cmd { u32 rsvd1; }; +#define HCLGE_PFC_DISABLE 0 +#define HCLGE_PFC_TX_RX_DISABLE 0 + struct hclge_pfc_en_cmd { u8 tx_rx_en_bitmap; u8 pri_en_bitmap; @@ -150,6 +153,8 @@ void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 num_tc); void hclge_tm_pfc_info_update(struct hclge_dev *hdev); int hclge_tm_dwrr_cfg(struct hclge_dev *hdev); int hclge_tm_init_hw(struct hclge_dev *hdev, bool init); +int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap, + u8 pfc_bitmap); int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx); int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr); int hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 48956c30d2ee..ec3d98595198 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -1432,7 +1432,10 @@ static int hclgevf_reset_wait(struct hclgevf_dev *hdev) * might happen in case reset assertion was made by PF. Yes, this also * means we might end up waiting bit more even for VF reset. */ - msleep(5000); + if (hdev->reset_type == HNAE3_VF_FULL_RESET) + msleep(5000); + else + msleep(500); return 0; } diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index bc313d85fe13..ce1ab8d59eb0 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -873,12 +873,22 @@ static int ibmvnic_login(struct net_device *netdev) static void release_login_buffer(struct ibmvnic_adapter *adapter) { + if (!adapter->login_buf) + return; + + dma_unmap_single(&adapter->vdev->dev, adapter->login_buf_token, + adapter->login_buf_sz, DMA_TO_DEVICE); kfree(adapter->login_buf); adapter->login_buf = NULL; } static void release_login_rsp_buffer(struct ibmvnic_adapter *adapter) { + if (!adapter->login_rsp_buf) + return; + + dma_unmap_single(&adapter->vdev->dev, adapter->login_rsp_buf_token, + adapter->login_rsp_buf_sz, DMA_FROM_DEVICE); kfree(adapter->login_rsp_buf); adapter->login_rsp_buf = NULL; } @@ -4298,11 +4308,6 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, struct ibmvnic_login_buffer *login = adapter->login_buf; int i; - dma_unmap_single(dev, adapter->login_buf_token, adapter->login_buf_sz, - DMA_TO_DEVICE); - dma_unmap_single(dev, adapter->login_rsp_buf_token, - adapter->login_rsp_buf_sz, DMA_FROM_DEVICE); - /* If the number of queues requested can't be allocated by the * server, the login response will return with code 1. We will need * to resend the login buffer with fewer queues requested. diff --git a/drivers/net/ethernet/intel/i40e/i40e_alloc.h b/drivers/net/ethernet/intel/i40e/i40e_alloc.h index cb8689222c8b..55ba6b690ab6 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_alloc.h +++ b/drivers/net/ethernet/intel/i40e/i40e_alloc.h @@ -20,16 +20,11 @@ enum i40e_memory_type { }; /* prototype for functions used for dynamic memory allocation */ -i40e_status i40e_allocate_dma_mem(struct i40e_hw *hw, - struct i40e_dma_mem *mem, - enum i40e_memory_type type, - u64 size, u32 alignment); -i40e_status i40e_free_dma_mem(struct i40e_hw *hw, - struct i40e_dma_mem *mem); -i40e_status i40e_allocate_virt_mem(struct i40e_hw *hw, - struct i40e_virt_mem *mem, - u32 size); -i40e_status i40e_free_virt_mem(struct i40e_hw *hw, - struct i40e_virt_mem *mem); +int i40e_allocate_dma_mem(struct i40e_hw *hw, struct i40e_dma_mem *mem, + enum i40e_memory_type type, u64 size, u32 alignment); +int i40e_free_dma_mem(struct i40e_hw *hw, struct i40e_dma_mem *mem); +int i40e_allocate_virt_mem(struct i40e_hw *hw, struct i40e_virt_mem *mem, + u32 size); +int i40e_free_virt_mem(struct i40e_hw *hw, struct i40e_virt_mem *mem); #endif /* _I40E_ALLOC_H_ */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index 276f04c0e51d..31f60657f532 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -1755,7 +1755,7 @@ void i40e_dbg_pf_exit(struct i40e_pf *pf) void i40e_dbg_init(void) { i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); - if (!i40e_dbg_root) + if (IS_ERR(i40e_dbg_root)) pr_info("init of debugfs failed\n"); } diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h index 85275b6ede4d..83fb44f2332c 100644 --- a/drivers/net/ethernet/intel/iavf/iavf.h +++ b/drivers/net/ethernet/intel/iavf/iavf.h @@ -385,7 +385,7 @@ void iavf_set_ethtool_ops(struct net_device *netdev); void iavf_update_stats(struct iavf_adapter *adapter); void iavf_reset_interrupt_capability(struct iavf_adapter *adapter); int iavf_init_interrupt_scheme(struct iavf_adapter *adapter); -void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask); +void iavf_irq_enable_queues(struct iavf_adapter *adapter); void iavf_free_all_tx_resources(struct iavf_adapter *adapter); void iavf_free_all_rx_resources(struct iavf_adapter *adapter); diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 4c41bb47fc1a..9cf556fedc70 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -244,21 +244,18 @@ static void iavf_irq_disable(struct iavf_adapter *adapter) } /** - * iavf_irq_enable_queues - Enable interrupt for specified queues + * iavf_irq_enable_queues - Enable interrupt for all queues * @adapter: board private structure - * @mask: bitmap of queues to enable **/ -void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask) +void iavf_irq_enable_queues(struct iavf_adapter *adapter) { struct iavf_hw *hw = &adapter->hw; int i; for (i = 1; i < adapter->num_msix_vectors; i++) { - if (mask & BIT(i - 1)) { - wr32(hw, IAVF_VFINT_DYN_CTLN1(i - 1), - IAVF_VFINT_DYN_CTLN1_INTENA_MASK | - IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK); - } + wr32(hw, IAVF_VFINT_DYN_CTLN1(i - 1), + IAVF_VFINT_DYN_CTLN1_INTENA_MASK | + IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK); } } @@ -272,7 +269,7 @@ void iavf_irq_enable(struct iavf_adapter *adapter, bool flush) struct iavf_hw *hw = &adapter->hw; iavf_misc_irq_enable(adapter); - iavf_irq_enable_queues(adapter, ~0); + iavf_irq_enable_queues(adapter); if (flush) iavf_flush(hw); @@ -1392,19 +1389,16 @@ static int iavf_alloc_q_vectors(struct iavf_adapter *adapter) static void iavf_free_q_vectors(struct iavf_adapter *adapter) { int q_idx, num_q_vectors; - int napi_vectors; if (!adapter->q_vectors) return; num_q_vectors = adapter->num_msix_vectors - NONQ_VECS; - napi_vectors = adapter->num_active_queues; for (q_idx = 0; q_idx < num_q_vectors; q_idx++) { struct iavf_q_vector *q_vector = &adapter->q_vectors[q_idx]; - if (q_idx < napi_vectors) - netif_napi_del(&q_vector->napi); + netif_napi_del(&q_vector->napi); } kfree(adapter->q_vectors); adapter->q_vectors = NULL; diff --git a/drivers/net/ethernet/intel/iavf/iavf_register.h b/drivers/net/ethernet/intel/iavf/iavf_register.h index bf793332fc9d..a19e88898a0b 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_register.h +++ b/drivers/net/ethernet/intel/iavf/iavf_register.h @@ -40,7 +40,7 @@ #define IAVF_VFINT_DYN_CTL01_INTENA_MASK IAVF_MASK(0x1, IAVF_VFINT_DYN_CTL01_INTENA_SHIFT) #define IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT 3 #define IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK IAVF_MASK(0x3, IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) -#define IAVF_VFINT_DYN_CTLN1(_INTVF) (0x00003800 + ((_INTVF) * 4)) /* _i=0...15 */ /* Reset: VFR */ +#define IAVF_VFINT_DYN_CTLN1(_INTVF) (0x00003800 + ((_INTVF) * 4)) /* _i=0...63 */ /* Reset: VFR */ #define IAVF_VFINT_DYN_CTLN1_INTENA_SHIFT 0 #define IAVF_VFINT_DYN_CTLN1_INTENA_MASK IAVF_MASK(0x1, IAVF_VFINT_DYN_CTLN1_INTENA_SHIFT) #define IAVF_VFINT_DYN_CTLN1_SWINT_TRIG_SHIFT 2 diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c index 79ee0a747260..4e69cb2c025f 100644 --- a/drivers/net/ethernet/intel/igb/e1000_mac.c +++ b/drivers/net/ethernet/intel/igb/e1000_mac.c @@ -425,7 +425,7 @@ void igb_mta_set(struct e1000_hw *hw, u32 hash_value) static u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) { u32 hash_value, hash_mask; - u8 bit_shift = 0; + u8 bit_shift = 1; /* Register count multiplied by bits per register */ hash_mask = (hw->mac.mta_reg_count * 32) - 1; @@ -433,7 +433,7 @@ static u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) /* For a mc_filter_type of 0, bit_shift is the number of left-shifts * where 0xFF would still fall within the hash mask. */ - while (hash_mask >> bit_shift != 0xFF) + while (hash_mask >> bit_shift != 0xFF && bit_shift < 4) bit_shift++; /* The portion of the address that is used for the hash table diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 6196f9bbd67d..50f61b18ae1e 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -814,6 +814,8 @@ static int igb_set_eeprom(struct net_device *netdev, */ ret_val = hw->nvm.ops.read(hw, last_word, 1, &eeprom_buff[last_word - first_word]); + if (ret_val) + goto out; } /* Device's eeprom is always little-endian, word addressable */ @@ -833,6 +835,7 @@ static int igb_set_eeprom(struct net_device *netdev, hw->nvm.ops.update(hw); igb_set_fw_version(adapter); +out: kfree(eeprom_buff); return ret_val; } diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 00d66a6e5c6e..8c6c0d9c7f76 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -9028,6 +9028,11 @@ static pci_ers_result_t igb_io_error_detected(struct pci_dev *pdev, struct net_device *netdev = pci_get_drvdata(pdev); struct igb_adapter *adapter = netdev_priv(netdev); + if (state == pci_channel_io_normal) { + dev_warn(&pdev->dev, "Non-correctable non-fatal error reported.\n"); + return PCI_ERS_RESULT_CAN_RECOVER; + } + netif_device_detach(netdev); if (state == pci_channel_io_perm_failure) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index cbcb8611ab50..0a4e7f5f292a 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1668,6 +1668,8 @@ static int igc_get_link_ksettings(struct net_device *netdev, /* twisted pair */ cmd->base.port = PORT_TP; cmd->base.phy_address = hw->phy.addr; + ethtool_link_ksettings_add_link_mode(cmd, supported, TP); + ethtool_link_ksettings_add_link_mode(cmd, advertising, TP); /* advertising link modes */ if (hw->phy.autoneg_advertised & ADVERTISE_10_HALF) diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index b8297a63a7fd..3839ca8bdf6d 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -610,7 +610,6 @@ static void igc_configure_tx_ring(struct igc_adapter *adapter, /* disable the queue */ wr32(IGC_TXDCTL(reg_idx), 0); wrfl(); - mdelay(10); wr32(IGC_TDLEN(reg_idx), ring->count * sizeof(union igc_adv_tx_desc)); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 7c52ae8ac005..a43cb7bfcccd 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -2542,6 +2542,14 @@ static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter, return 0; } +static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter) +{ + if (adapter->hw.mac.type < ixgbe_mac_X550) + return 16; + else + return 64; +} + static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, u32 *rule_locs) { @@ -2550,7 +2558,8 @@ static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, switch (cmd->cmd) { case ETHTOOL_GRXRINGS: - cmd->data = adapter->num_rx_queues; + cmd->data = min_t(int, adapter->num_rx_queues, + ixgbe_rss_indir_tbl_max(adapter)); ret = 0; break; case ETHTOOL_GRXCLSRLCNT: @@ -2952,14 +2961,6 @@ static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) return ret; } -static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter) -{ - if (adapter->hw.mac.type < ixgbe_mac_X550) - return 16; - else - return 64; -} - static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev) { return IXGBE_RSS_KEY_SIZE; @@ -3008,8 +3009,8 @@ static int ixgbe_set_rxfh(struct net_device *netdev, const u32 *indir, int i; u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter); - if (hfunc) - return -EINVAL; + if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) + return -EOPNOTSUPP; /* Fill out the redirection table */ if (indir) { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index a864b91065e3..567bb7792f8f 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -8423,7 +8423,7 @@ static void ixgbe_atr(struct ixgbe_ring *ring, struct ixgbe_adapter *adapter = q_vector->adapter; if (unlikely(skb_tail_pointer(skb) < hdr.network + - VXLAN_HEADROOM)) + vxlan_headroom(0))) return; /* verify the port is recognized as VXLAN */ diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 977c2961aa2c..110221a16bf6 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1422,7 +1422,7 @@ static void mvneta_defaults_set(struct mvneta_port *pp) */ if (txq_number == 1) txq_map = (cpu == pp->rxq_def) ? - MVNETA_CPU_TXQ_ACCESS(1) : 0; + MVNETA_CPU_TXQ_ACCESS(0) : 0; } else { txq_map = MVNETA_CPU_TXQ_ACCESS_ALL_MASK; @@ -3762,7 +3762,7 @@ static void mvneta_percpu_elect(struct mvneta_port *pp) */ if (txq_number == 1) txq_map = (cpu == elected_cpu) ? - MVNETA_CPU_TXQ_ACCESS(1) : 0; + MVNETA_CPU_TXQ_ACCESS(0) : 0; else txq_map = mvreg_read(pp, MVNETA_CPU_MAP(cpu)) & MVNETA_CPU_TXQ_ACCESS_ALL_MASK; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c index fcf5fef7c195..58d48d76c1b8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -480,7 +480,7 @@ static void poll_trace(struct mlx5_fw_tracer *tracer, (u64)timestamp_low; break; default: - if (tracer_event->event_id >= tracer->str_db.first_string_trace || + if (tracer_event->event_id >= tracer->str_db.first_string_trace && tracer_event->event_id <= tracer->str_db.first_string_trace + tracer->str_db.num_string_trace) { tracer_event->type = TRACER_EVENT_TYPE_STRING; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c index 0dd17514caae..d212706f1bde 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c @@ -121,7 +121,9 @@ static int mlx5e_ipsec_remove_trailer(struct sk_buff *skb, struct xfrm_state *x) trailer_len = alen + plen + 2; - pskb_trim(skb, skb->len - trailer_len); + ret = pskb_trim(skb, skb->len - trailer_len); + if (unlikely(ret)) + return ret; if (skb->protocol == htons(ETH_P_IP)) { ipv4hdr->tot_len = htons(ntohs(ipv4hdr->tot_len) - trailer_len); ip_send_check(ipv4hdr); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c index bced2efe9bef..438be215bbd4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c @@ -3,6 +3,7 @@ #include #include "lib/devcom.h" +#include "mlx5_core.h" static LIST_HEAD(devcom_list); @@ -14,7 +15,7 @@ static LIST_HEAD(devcom_list); struct mlx5_devcom_component { struct { void *data; - } device[MLX5_MAX_PORTS]; + } device[MLX5_DEVCOM_PORTS_SUPPORTED]; mlx5_devcom_event_handler_t handler; struct rw_semaphore sem; @@ -25,7 +26,7 @@ struct mlx5_devcom_list { struct list_head list; struct mlx5_devcom_component components[MLX5_DEVCOM_NUM_COMPONENTS]; - struct mlx5_core_dev *devs[MLX5_MAX_PORTS]; + struct mlx5_core_dev *devs[MLX5_DEVCOM_PORTS_SUPPORTED]; }; struct mlx5_devcom { @@ -74,13 +75,16 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev) if (!mlx5_core_is_pf(dev)) return NULL; + if (MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_DEVCOM_PORTS_SUPPORTED) + return NULL; + mlx5_dev_list_lock(); sguid0 = mlx5_query_nic_system_image_guid(dev); list_for_each_entry(iter, &devcom_list, list) { struct mlx5_core_dev *tmp_dev = NULL; idx = -1; - for (i = 0; i < MLX5_MAX_PORTS; i++) { + for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++) { if (iter->devs[i]) tmp_dev = iter->devs[i]; else @@ -100,8 +104,10 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev) if (!priv) { priv = mlx5_devcom_list_alloc(); - if (!priv) - return ERR_PTR(-ENOMEM); + if (!priv) { + devcom = ERR_PTR(-ENOMEM); + goto out; + } idx = 0; new_priv = true; @@ -110,13 +116,16 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev) priv->devs[idx] = dev; devcom = mlx5_devcom_alloc(priv, idx); if (!devcom) { - kfree(priv); - return ERR_PTR(-ENOMEM); + if (new_priv) + kfree(priv); + devcom = ERR_PTR(-ENOMEM); + goto out; } if (new_priv) list_add(&priv->list, &devcom_list); - +out: + mlx5_dev_list_unlock(); return devcom; } @@ -129,20 +138,23 @@ void mlx5_devcom_unregister_device(struct mlx5_devcom *devcom) if (IS_ERR_OR_NULL(devcom)) return; + mlx5_dev_list_lock(); priv = devcom->priv; priv->devs[devcom->idx] = NULL; kfree(devcom); - for (i = 0; i < MLX5_MAX_PORTS; i++) + for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++) if (priv->devs[i]) break; - if (i != MLX5_MAX_PORTS) - return; + if (i != MLX5_DEVCOM_PORTS_SUPPORTED) + goto out; list_del(&priv->list); kfree(priv); +out: + mlx5_dev_list_unlock(); } void mlx5_devcom_register_component(struct mlx5_devcom *devcom, @@ -191,7 +203,7 @@ int mlx5_devcom_send_event(struct mlx5_devcom *devcom, comp = &devcom->priv->components[id]; down_write(&comp->sem); - for (i = 0; i < MLX5_MAX_PORTS; i++) + for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++) if (i != devcom->idx && comp->device[i].data) { err = comp->handler(event, comp->device[i].data, event_data); @@ -239,7 +251,7 @@ void *mlx5_devcom_get_peer_data(struct mlx5_devcom *devcom, return NULL; } - for (i = 0; i < MLX5_MAX_PORTS; i++) + for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++) if (i != devcom->idx) break; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h index 939d5bf1581b..94313c18bb64 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h @@ -6,6 +6,8 @@ #include +#define MLX5_DEVCOM_PORTS_SUPPORTED 2 + enum mlx5_devcom_components { MLX5_DEVCOM_ESW_OFFLOADS, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 83ee9429e7c6..ff9ac7cffc32 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -887,7 +887,7 @@ static int mlx5_init_once(struct mlx5_core_dev *dev) dev->dm = mlx5_dm_create(dev); if (IS_ERR(dev->dm)) - mlx5_core_warn(dev, "Failed to init device memory%d\n", err); + mlx5_core_warn(dev, "Failed to init device memory %ld\n", PTR_ERR(dev->dm)); dev->tracer = mlx5_fw_tracer_create(dev); dev->hv_vhca = mlx5_hv_vhca_create(dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index 7f7693b709d7..05ff66c23185 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -504,8 +504,8 @@ static int req_pages_handler(struct notifier_block *nb, int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot) { - u16 uninitialized_var(func_id); - s32 uninitialized_var(npages); + u16 func_id; + s32 npages; int err; err = mlx5_cmd_query_pages(dev, &func_id, &npages, boot); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c index 61fcfd8b39b4..7fa805bb0e38 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c @@ -211,8 +211,7 @@ static u16 mlx5_get_max_vfs(struct mlx5_core_dev *dev) host_total_vfs = MLX5_GET(query_esw_functions_out, out, host_params_context.host_total_vfs); kvfree(out); - if (host_total_vfs) - return host_total_vfs; + return host_total_vfs; } done: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c index 64f6f529f6eb..45b90c769878 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c @@ -423,11 +423,12 @@ int mlx5dr_cmd_create_reformat_ctx(struct mlx5_core_dev *mdev, err = mlx5_cmd_exec(mdev, in, inlen, out, sizeof(out)); if (err) - return err; + goto err_free_in; *reformat_id = MLX5_GET(alloc_packet_reformat_context_out, out, packet_reformat_id); - kvfree(in); +err_free_in: + kvfree(in); return err; } diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index c69ffcfe6168..6458dbd6c631 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -80,6 +80,18 @@ static int lan743x_csr_light_reset(struct lan743x_adapter *adapter) !(data & HW_CFG_LRST_), 100000, 10000000); } +static int lan743x_csr_wait_for_bit_atomic(struct lan743x_adapter *adapter, + int offset, u32 bit_mask, + int target_value, int udelay_min, + int udelay_max, int count) +{ + u32 data; + + return readx_poll_timeout_atomic(LAN743X_CSR_READ_OP, offset, data, + target_value == !!(data & bit_mask), + udelay_max, udelay_min * count); +} + static int lan743x_csr_wait_for_bit(struct lan743x_adapter *adapter, int offset, u32 bit_mask, int target_value, int usleep_min, @@ -675,8 +687,8 @@ static int lan743x_dp_write(struct lan743x_adapter *adapter, u32 dp_sel; int i; - if (lan743x_csr_wait_for_bit(adapter, DP_SEL, DP_SEL_DPRDY_, - 1, 40, 100, 100)) + if (lan743x_csr_wait_for_bit_atomic(adapter, DP_SEL, DP_SEL_DPRDY_, + 1, 40, 100, 100)) return -EIO; dp_sel = lan743x_csr_read(adapter, DP_SEL); dp_sel &= ~DP_SEL_MASK_; @@ -687,8 +699,9 @@ static int lan743x_dp_write(struct lan743x_adapter *adapter, lan743x_csr_write(adapter, DP_ADDR, addr + i); lan743x_csr_write(adapter, DP_DATA_0, buf[i]); lan743x_csr_write(adapter, DP_CMD, DP_CMD_WRITE_); - if (lan743x_csr_wait_for_bit(adapter, DP_SEL, DP_SEL_DPRDY_, - 1, 40, 100, 100)) + if (lan743x_csr_wait_for_bit_atomic(adapter, DP_SEL, + DP_SEL_DPRDY_, + 1, 40, 100, 100)) return -EIO; } diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index 496052a6b9b8..00e698935f4e 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -7287,7 +7287,7 @@ static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp) int ring_no = ring_data->ring_no; u16 l3_csum, l4_csum; unsigned long long err = rxdp->Control_1 & RXD_T_CODE; - struct lro *uninitialized_var(lro); + struct lro *lro; u8 err_mask; struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index 05d2b478c99b..d069017d43a3 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -6099,6 +6099,7 @@ static int nv_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) return 0; out_error: + nv_mgmt_release_sema(dev); if (phystate_orig) writel(phystate|NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl); out_freering: diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c index 040a15a828b4..c1d7bd168f1d 100644 --- a/drivers/net/ethernet/pasemi/pasemi_mac.c +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c @@ -1423,7 +1423,7 @@ static void pasemi_mac_queue_csdesc(const struct sk_buff *skb, write_dma_reg(PAS_DMA_TXCHAN_INCR(txring->chan.chno), 2); } -static int pasemi_mac_start_tx(struct sk_buff *skb, struct net_device *dev) +static netdev_tx_t pasemi_mac_start_tx(struct sk_buff *skb, struct net_device *dev) { struct pasemi_mac * const mac = netdev_priv(dev); struct pasemi_mac_txring * const txring = tx_ring(mac); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c index b8de3784d976..c53d2271d8ab 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c @@ -573,7 +573,7 @@ static int ionic_get_rxnfc(struct net_device *netdev, info->data = lif->nxqs; break; default: - netdev_err(netdev, "Command parameter %d is not supported\n", + netdev_dbg(netdev, "Command parameter %d is not supported\n", info->cmd); err = -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index d0841836cf70..d718c1a6d5fc 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -167,10 +167,10 @@ static int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr) return 0; } -static void ionic_intr_free(struct ionic_lif *lif, int index) +static void ionic_intr_free(struct ionic *ionic, int index) { - if (index != INTR_INDEX_NOT_ASSIGNED && index < lif->ionic->nintrs) - clear_bit(index, lif->ionic->intrs); + if (index != INTR_INDEX_NOT_ASSIGNED && index < ionic->nintrs) + clear_bit(index, ionic->intrs); } static int ionic_qcq_enable(struct ionic_qcq *qcq) @@ -256,7 +256,6 @@ static int ionic_qcq_disable(struct ionic_qcq *qcq) static void ionic_lif_qcq_deinit(struct ionic_lif *lif, struct ionic_qcq *qcq) { struct ionic_dev *idev = &lif->ionic->idev; - struct device *dev = lif->ionic->dev; if (!qcq) return; @@ -269,7 +268,6 @@ static void ionic_lif_qcq_deinit(struct ionic_lif *lif, struct ionic_qcq *qcq) if (qcq->flags & IONIC_QCQ_F_INTR) { ionic_intr_mask(idev->intr_ctrl, qcq->intr.index, IONIC_INTR_MASK_SET); - devm_free_irq(dev, qcq->intr.vector, &qcq->napi); netif_napi_del(&qcq->napi); } @@ -287,8 +285,12 @@ static void ionic_qcq_free(struct ionic_lif *lif, struct ionic_qcq *qcq) qcq->base = NULL; qcq->base_pa = 0; - if (qcq->flags & IONIC_QCQ_F_INTR) - ionic_intr_free(lif, qcq->intr.index); + if (qcq->flags & IONIC_QCQ_F_INTR) { + irq_set_affinity_hint(qcq->intr.vector, NULL); + devm_free_irq(dev, qcq->intr.vector, &qcq->napi); + qcq->intr.vector = 0; + ionic_intr_free(lif->ionic, qcq->intr.index); + } devm_kfree(dev, qcq->cq.info); qcq->cq.info = NULL; @@ -330,11 +332,6 @@ static void ionic_qcqs_free(struct ionic_lif *lif) static void ionic_link_qcq_interrupts(struct ionic_qcq *src_qcq, struct ionic_qcq *n_qcq) { - if (WARN_ON(n_qcq->flags & IONIC_QCQ_F_INTR)) { - ionic_intr_free(n_qcq->cq.lif, n_qcq->intr.index); - n_qcq->flags &= ~IONIC_QCQ_F_INTR; - } - n_qcq->intr.vector = src_qcq->intr.vector; n_qcq->intr.index = src_qcq->intr.index; } @@ -418,8 +415,15 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, ionic_intr_mask_assert(idev->intr_ctrl, new->intr.index, IONIC_INTR_MASK_SET); - new->intr.cpu = new->intr.index % num_online_cpus(); - if (cpu_online(new->intr.cpu)) + err = ionic_request_irq(lif, new); + if (err) { + netdev_warn(lif->netdev, "irq request failed %d\n", err); + goto err_out_free_intr; + } + + new->intr.cpu = cpumask_local_spread(new->intr.index, + dev_to_node(dev)); + if (new->intr.cpu != -1) cpumask_set_cpu(new->intr.cpu, &new->intr.affinity_mask); } else { @@ -431,13 +435,13 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, if (!new->cq.info) { netdev_err(lif->netdev, "Cannot allocate completion queue info\n"); err = -ENOMEM; - goto err_out_free_intr; + goto err_out_free_irq; } err = ionic_cq_init(lif, &new->cq, &new->intr, num_descs, cq_desc_size); if (err) { netdev_err(lif->netdev, "Cannot initialize completion queue\n"); - goto err_out_free_intr; + goto err_out_free_irq; } new->base = dma_alloc_coherent(dev, total_size, &new->base_pa, @@ -445,7 +449,7 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, if (!new->base) { netdev_err(lif->netdev, "Cannot allocate queue DMA memory\n"); err = -ENOMEM; - goto err_out_free_intr; + goto err_out_free_irq; } new->total_size = total_size; @@ -471,8 +475,12 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type, return 0; +err_out_free_irq: + if (flags & IONIC_QCQ_F_INTR) + devm_free_irq(dev, new->intr.vector, &new->napi); err_out_free_intr: - ionic_intr_free(lif, new->intr.index); + if (flags & IONIC_QCQ_F_INTR) + ionic_intr_free(lif->ionic, new->intr.index); err_out: dev_err(dev, "qcq alloc of %s%d failed %d\n", name, index, err); return err; @@ -647,12 +655,6 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) netif_napi_add(lif->netdev, &qcq->napi, ionic_rx_napi, NAPI_POLL_WEIGHT); - err = ionic_request_irq(lif, qcq); - if (err) { - netif_napi_del(&qcq->napi); - return err; - } - qcq->flags |= IONIC_QCQ_F_INITED; ionic_debugfs_add_qcq(lif, qcq); @@ -1870,13 +1872,6 @@ static int ionic_lif_adminq_init(struct ionic_lif *lif) netif_napi_add(lif->netdev, &qcq->napi, ionic_adminq_napi, NAPI_POLL_WEIGHT); - err = ionic_request_irq(lif, qcq); - if (err) { - netdev_warn(lif->netdev, "adminq irq request failed %d\n", err); - netif_napi_del(&qcq->napi); - return err; - } - napi_enable(&qcq->napi); if (qcq->flags & IONIC_QCQ_F_INTR) diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 11616aca0e6a..2fa68592210d 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -3770,7 +3770,7 @@ static int ql3xxx_probe(struct pci_dev *pdev, struct net_device *ndev = NULL; struct ql3_adapter *qdev = NULL; static int cards_found; - int uninitialized_var(pci_using_dac), err; + int pci_using_dac, err; err = pci_enable_device(pdev); if (err) { diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 15591ad5fe4e..db6817de24a1 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -574,8 +574,7 @@ qcaspi_spi_thread(void *data) while (!kthread_should_stop()) { set_current_state(TASK_INTERRUPTIBLE); if ((qca->intr_req == qca->intr_svc) && - (qca->txr.skb[qca->txr.head] == NULL) && - (qca->sync == QCASPI_SYNC_READY)) + !qca->txr.skb[qca->txr.head]) schedule(); set_current_state(TASK_RUNNING); diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index 6e78a33aa5e4..ed9af678bcfb 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -1337,7 +1337,7 @@ static void cas_init_rx_dma(struct cas *cp) writel(val, cp->regs + REG_RX_PAGE_SIZE); /* enable the header parser if desired */ - if (CAS_HP_FIRMWARE == cas_prog_null) + if (&CAS_HP_FIRMWARE[0] == &cas_prog_null[0]) return; val = CAS_BASE(HP_CFG_NUM_CPU, CAS_NCPUS > 63 ? 0 : CAS_NCPUS); @@ -2291,7 +2291,7 @@ static int cas_rx_ringN(struct cas *cp, int ring, int budget) drops = 0; while (1) { struct cas_rx_comp *rxc = rxcs + entry; - struct sk_buff *uninitialized_var(skb); + struct sk_buff *skb; int type, len; u64 words[4]; int i, dring; @@ -3807,7 +3807,7 @@ static void cas_reset(struct cas *cp, int blkflag) /* program header parser */ if ((cp->cas_flags & CAS_FLAG_TARGET_ABORT) || - (CAS_HP_ALT_FIRMWARE == cas_prog_null)) { + (&CAS_HP_ALT_FIRMWARE[0] == &cas_prog_null[0])) { cas_load_firmware(cp, CAS_HP_FIRMWARE); } else { cas_load_firmware(cp, CAS_HP_ALT_FIRMWARE); @@ -5138,6 +5138,8 @@ err_out_iounmap: cas_shutdown(cp); mutex_unlock(&cp->pm_mutex); + vfree(cp->fw_data); + pci_iounmap(pdev, cp->regs); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 201470d540d8..e659415c62bd 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -429,7 +429,7 @@ static int serdes_init_niu_1g_serdes(struct niu *np) struct niu_link_config *lp = &np->link_config; u16 pll_cfg, pll_sts; int max_retry = 100; - u64 uninitialized_var(sig), mask, val; + u64 sig, mask, val; u32 tx_cfg, rx_cfg; unsigned long i; int err; @@ -526,7 +526,7 @@ static int serdes_init_niu_10g_serdes(struct niu *np) struct niu_link_config *lp = &np->link_config; u32 tx_cfg, rx_cfg, pll_cfg, pll_sts; int max_retry = 100; - u64 uninitialized_var(sig), mask, val; + u64 sig, mask, val; unsigned long i; int err; @@ -714,7 +714,7 @@ static int esr_write_glue0(struct niu *np, unsigned long chan, u32 val) static int esr_reset(struct niu *np) { - u32 uninitialized_var(reset); + u32 reset; int err; err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index e7c24396933e..f17619c545ae 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -60,23 +60,37 @@ static inline int cpsw_ale_get_field(u32 *ale_entry, u32 start, u32 bits) { - int idx; + int idx, idx2; + u32 hi_val = 0; idx = start / 32; + idx2 = (start + bits - 1) / 32; + /* Check if bits to be fetched exceed a word */ + if (idx != idx2) { + idx2 = 2 - idx2; /* flip */ + hi_val = ale_entry[idx2] << ((idx2 * 32) - start); + } start -= idx * 32; idx = 2 - idx; /* flip */ - return (ale_entry[idx] >> start) & BITMASK(bits); + return (hi_val + (ale_entry[idx] >> start)) & BITMASK(bits); } static inline void cpsw_ale_set_field(u32 *ale_entry, u32 start, u32 bits, u32 value) { - int idx; + int idx, idx2; value &= BITMASK(bits); - idx = start / 32; + idx = start / 32; + idx2 = (start + bits - 1) / 32; + /* Check if bits to be set exceed a word */ + if (idx != idx2) { + idx2 = 2 - idx2; /* flip */ + ale_entry[idx2] &= ~(BITMASK(bits + start - (idx2 * 32))); + ale_entry[idx2] |= (value >> ((idx2 * 32) - start)); + } start -= idx * 32; - idx = 2 - idx; /* flip */ + idx = 2 - idx; /* flip */ ale_entry[idx] &= ~(BITMASK(bits) << start); ale_entry[idx] |= (value << start); } diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index a109438f4a78..86edc9591914 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -1481,15 +1481,15 @@ static int temac_probe(struct platform_device *pdev) } /* Error handle returned DMA RX and TX interrupts */ - if (lp->rx_irq < 0) { - if (lp->rx_irq != -EPROBE_DEFER) - dev_err(&pdev->dev, "could not get DMA RX irq\n"); - return lp->rx_irq; + if (lp->rx_irq <= 0) { + rc = lp->rx_irq ?: -EINVAL; + return dev_err_probe(&pdev->dev, rc, + "could not get DMA RX irq\n"); } - if (lp->tx_irq < 0) { - if (lp->tx_irq != -EPROBE_DEFER) - dev_err(&pdev->dev, "could not get DMA TX irq\n"); - return lp->tx_irq; + if (lp->tx_irq <= 0) { + rc = lp->tx_irq ?: -EINVAL; + return dev_err_probe(&pdev->dev, rc, + "could not get DMA TX irq\n"); } if (temac_np) { diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index d0653babab92..0409afe9a53d 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -297,7 +297,9 @@ static void __gtp_encap_destroy(struct sock *sk) gtp->sk1u = NULL; udp_sk(sk)->encap_type = 0; rcu_assign_sk_user_data(sk, NULL); + release_sock(sk); sock_put(sk); + return; } release_sock(sk); } diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c index 1d181eff0c29..4028cbe275d6 100644 --- a/drivers/net/ieee802154/mac802154_hwsim.c +++ b/drivers/net/ieee802154/mac802154_hwsim.c @@ -522,7 +522,7 @@ static int hwsim_del_edge_nl(struct sk_buff *msg, struct genl_info *info) static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info) { struct nlattr *edge_attrs[MAC802154_HWSIM_EDGE_ATTR_MAX + 1]; - struct hwsim_edge_info *einfo; + struct hwsim_edge_info *einfo, *einfo_old; struct hwsim_phy *phy_v0; struct hwsim_edge *e; u32 v0, v1; @@ -560,8 +560,10 @@ static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info) list_for_each_entry_rcu(e, &phy_v0->edges, list) { if (e->endpoint->idx == v1) { einfo->lqi = lqi; - rcu_assign_pointer(e->info, einfo); + einfo_old = rcu_replace_pointer(e->info, einfo, + lockdep_is_held(&hwsim_phys_lock)); rcu_read_unlock(); + kfree_rcu(einfo_old, rcu); mutex_unlock(&hwsim_phys_lock); return 0; } diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index a33149ee0ddc..ab09d110760e 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -437,6 +437,9 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb) goto err; } skb_dst_set(skb, &rt->dst); + + memset(IPCB(skb), 0, sizeof(*IPCB(skb))); + err = ip_local_out(net, skb->sk, skb); if (unlikely(net_xmit_eval(err))) dev->stats.tx_errors++; @@ -475,6 +478,9 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb) goto err; } skb_dst_set(skb, dst); + + memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); + err = ip6_local_out(net, skb->sk, skb); if (unlikely(net_xmit_eval(err))) dev->stats.tx_errors++; @@ -580,7 +586,8 @@ static int ipvlan_xmit_mode_l3(struct sk_buff *skb, struct net_device *dev) consume_skb(skb); return NET_XMIT_DROP; } - return ipvlan_rcv_frame(addr, &skb, true); + ipvlan_rcv_frame(addr, &skb, true); + return NET_XMIT_SUCCESS; } } out: @@ -606,7 +613,8 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev) consume_skb(skb); return NET_XMIT_DROP; } - return ipvlan_rcv_frame(addr, &skb, true); + ipvlan_rcv_frame(addr, &skb, true); + return NET_XMIT_SUCCESS; } } skb = skb_share_check(skb, GFP_ATOMIC); @@ -618,7 +626,8 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev) * the skb for the main-dev. At the RX side we just return * RX_PASS for it to be processed further on the stack. */ - return dev_forward_skb(ipvlan->phy_dev, skb); + dev_forward_skb(ipvlan->phy_dev, skb); + return NET_XMIT_SUCCESS; } else if (is_multicast_ether_addr(eth->h_dest)) { skb_reset_mac_header(skb); diff --git a/drivers/net/ipvlan/ipvlan_l3s.c b/drivers/net/ipvlan/ipvlan_l3s.c index 71712ea25403..d5b05e803219 100644 --- a/drivers/net/ipvlan/ipvlan_l3s.c +++ b/drivers/net/ipvlan/ipvlan_l3s.c @@ -102,6 +102,10 @@ static unsigned int ipvlan_nf_input(void *priv, struct sk_buff *skb, skb->dev = addr->master->dev; skb->skb_iif = skb->dev->ifindex; +#if IS_ENABLED(CONFIG_IPV6) + if (addr->atype == IPVL_IPV6) + IP6CB(skb)->iif = skb->dev->ifindex; +#endif len = skb->len + ETH_HLEN; ipvlan_count_rx(addr->master, len, true, false); out: diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index c7d91415a436..1375beb3cf83 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -476,7 +476,7 @@ static int dp83867_phy_reset(struct phy_device *phydev) { int err; - err = phy_write(phydev, DP83867_CTRL, DP83867_SW_RESTART); + err = phy_write(phydev, DP83867_CTRL, DP83867_SW_RESET); if (err < 0) return err; diff --git a/drivers/net/tap.c b/drivers/net/tap.c index a522d1673fa8..c299faaf4b2d 100644 --- a/drivers/net/tap.c +++ b/drivers/net/tap.c @@ -525,7 +525,7 @@ static int tap_open(struct inode *inode, struct file *file) q->sock.state = SS_CONNECTED; q->sock.file = file; q->sock.ops = &tap_socket_ops; - sock_init_data_uid(&q->sock, &q->sk, inode->i_uid); + sock_init_data_uid(&q->sock, &q->sk, current_fsuid()); q->sk.sk_write_space = tap_sock_write_space; q->sk.sk_destruct = tap_sock_destruct; q->flags = IFF_VNET_HDR | IFF_NO_PI | IFF_TAP; @@ -715,9 +715,8 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control, skb_probe_transport_header(skb); /* Move network header to the right position for VLAN tagged packets */ - if ((skb->protocol == htons(ETH_P_8021Q) || - skb->protocol == htons(ETH_P_8021AD)) && - __vlan_get_protocol(skb, skb->protocol, &depth) != 0) + if (eth_type_vlan(skb->protocol) && + vlan_get_protocol_and_depth(skb, skb->protocol, &depth) != 0) skb_set_network_header(skb, depth); rcu_read_lock(); @@ -1177,9 +1176,8 @@ static int tap_get_user_xdp(struct tap_queue *q, struct xdp_buff *xdp) } /* Move network header to the right position for VLAN tagged packets */ - if ((skb->protocol == htons(ETH_P_8021Q) || - skb->protocol == htons(ETH_P_8021AD)) && - __vlan_get_protocol(skb, skb->protocol, &depth) != 0) + if (eth_type_vlan(skb->protocol) && + vlan_get_protocol_and_depth(skb, skb->protocol, &depth) != 0) skb_set_network_header(skb, depth); rcu_read_lock(); diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index da74ec778b6e..5c72e9ac4804 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1624,6 +1624,7 @@ static int team_init(struct net_device *dev) team->dev = dev; team_set_no_mode(team); + team->notifier_ctx = false; team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats); if (!team->pcpu_stats) @@ -2128,6 +2129,15 @@ static void team_setup_by_port(struct net_device *dev, dev->mtu = port_dev->mtu; memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len); eth_hw_addr_inherit(dev, port_dev); + + if (port_dev->flags & IFF_POINTOPOINT) { + dev->flags &= ~(IFF_BROADCAST | IFF_MULTICAST); + dev->flags |= (IFF_POINTOPOINT | IFF_NOARP); + } else if ((port_dev->flags & (IFF_BROADCAST | IFF_MULTICAST)) == + (IFF_BROADCAST | IFF_MULTICAST)) { + dev->flags |= (IFF_BROADCAST | IFF_MULTICAST); + dev->flags &= ~(IFF_POINTOPOINT | IFF_NOARP); + } } static int team_dev_type_check_change(struct net_device *dev, @@ -3015,7 +3025,11 @@ static int team_device_event(struct notifier_block *unused, team_del_slave(port->team->dev, dev); break; case NETDEV_FEAT_CHANGE: - team_compute_features(port->team); + if (!port->team->notifier_ctx) { + port->team->notifier_ctx = true; + team_compute_features(port->team); + port->team->notifier_ctx = false; + } break; case NETDEV_PRECHANGEMTU: /* Forbid to change mtu of underlaying device */ diff --git a/drivers/net/tun.c b/drivers/net/tun.c index a4e44f98fbc3..51cc8768d910 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1672,7 +1672,7 @@ static bool tun_can_build_skb(struct tun_struct *tun, struct tun_file *tfile, if (zerocopy) return false; - if (SKB_DATA_ALIGN(len + TUN_RX_PAD) + + if (SKB_DATA_ALIGN(len + TUN_RX_PAD + XDP_PACKET_HEADROOM) + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) > PAGE_SIZE) return false; @@ -3534,7 +3534,7 @@ static int tun_chr_open(struct inode *inode, struct file * file) tfile->socket.file = file; tfile->socket.ops = &tun_socket_ops; - sock_init_data_uid(&tfile->socket, &tfile->sk, inode->i_uid); + sock_init_data_uid(&tfile->socket, &tfile->sk, current_fsuid()); tfile->sk.sk_write_space = tun_sock_write_space; tfile->sk.sk_sndbuf = INT_MAX; diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index e457fa8c0ca5..08800f2a7e45 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -605,9 +605,23 @@ static const struct usb_device_id products[] = { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEVICE_ID_MATCH_DEVICE, .idVendor = 0x04DD, + .idProduct = 0x8005, /* A-300 */ + ZAURUS_FAKE_INTERFACE, + .driver_info = 0, +}, { + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x04DD, .idProduct = 0x8006, /* B-500/SL-5600 */ ZAURUS_MASTER_INTERFACE, .driver_info = 0, +}, { + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x04DD, + .idProduct = 0x8006, /* B-500/SL-5600 */ + ZAURUS_FAKE_INTERFACE, + .driver_info = 0, }, { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEVICE_ID_MATCH_DEVICE, @@ -615,6 +629,13 @@ static const struct usb_device_id products[] = { .idProduct = 0x8007, /* C-700 */ ZAURUS_MASTER_INTERFACE, .driver_info = 0, +}, { + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x04DD, + .idProduct = 0x8007, /* C-700 */ + ZAURUS_FAKE_INTERFACE, + .driver_info = 0, }, { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEVICE_ID_MATCH_DEVICE, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index c2307cfaf400..a4be176fdd24 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1178,7 +1178,9 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, + {QMI_QUIRK_SET_DTR(0x05c6, 0x9091, 2)}, /* Compal RXM-G1 */ {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ + {QMI_QUIRK_SET_DTR(0x05c6, 0x90db, 2)}, /* Compal RXM-G1 */ {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ @@ -1282,7 +1284,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ - {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ + {QMI_QUIRK_SET_DTR(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 1be11bea294e..68b53dfec3b8 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1771,6 +1771,10 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) } else if (!info->in || !info->out) status = usbnet_get_endpoints (dev, udev); else { + u8 ep_addrs[3] = { + info->in + USB_DIR_IN, info->out + USB_DIR_OUT, 0 + }; + dev->in = usb_rcvbulkpipe (xdev, info->in); dev->out = usb_sndbulkpipe (xdev, info->out); if (!(info->flags & FLAG_NO_SETINT)) @@ -1780,6 +1784,8 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) else status = 0; + if (status == 0 && !usb_check_bulk_endpoints(udev, ep_addrs)) + status = -EINVAL; } if (status >= 0 && dev->status) status = init_status (dev, udev); diff --git a/drivers/net/usb/zaurus.c b/drivers/net/usb/zaurus.c index 7984f2157d22..df3617c4c44e 100644 --- a/drivers/net/usb/zaurus.c +++ b/drivers/net/usb/zaurus.c @@ -289,9 +289,23 @@ static const struct usb_device_id products [] = { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEVICE_ID_MATCH_DEVICE, .idVendor = 0x04DD, + .idProduct = 0x8005, /* A-300 */ + ZAURUS_FAKE_INTERFACE, + .driver_info = (unsigned long)&bogus_mdlm_info, +}, { + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x04DD, .idProduct = 0x8006, /* B-500/SL-5600 */ ZAURUS_MASTER_INTERFACE, .driver_info = ZAURUS_PXA_INFO, +}, { + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x04DD, + .idProduct = 0x8006, /* B-500/SL-5600 */ + ZAURUS_FAKE_INTERFACE, + .driver_info = (unsigned long)&bogus_mdlm_info, }, { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEVICE_ID_MATCH_DEVICE, @@ -299,6 +313,13 @@ static const struct usb_device_id products [] = { .idProduct = 0x8007, /* C-700 */ ZAURUS_MASTER_INTERFACE, .driver_info = ZAURUS_PXA_INFO, +}, { + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x04DD, + .idProduct = 0x8007, /* C-700 */ + ZAURUS_FAKE_INTERFACE, + .driver_info = (unsigned long)&bogus_mdlm_info, }, { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEVICE_ID_MATCH_DEVICE, diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index bf2e31ce4410..034d9adf1897 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2795,6 +2795,27 @@ static void free_receive_page_frags(struct virtnet_info *vi) put_page(vi->rq[i].alloc_frag.page); } +static void virtnet_sq_free_unused_buf(struct virtqueue *vq, void *buf) +{ + if (!is_xdp_frame(buf)) + dev_kfree_skb(buf); + else + xdp_return_frame(ptr_to_xdp(buf)); +} + +static void virtnet_rq_free_unused_buf(struct virtqueue *vq, void *buf) +{ + struct virtnet_info *vi = vq->vdev->priv; + int i = vq2rxq(vq); + + if (vi->mergeable_rx_bufs) + put_page(virt_to_head_page(buf)); + else if (vi->big_packets) + give_pages(&vi->rq[i], buf); + else + put_page(virt_to_head_page(buf)); +} + static void free_unused_bufs(struct virtnet_info *vi) { void *buf; @@ -2802,26 +2823,16 @@ static void free_unused_bufs(struct virtnet_info *vi) for (i = 0; i < vi->max_queue_pairs; i++) { struct virtqueue *vq = vi->sq[i].vq; - while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) { - if (!is_xdp_frame(buf)) - dev_kfree_skb(buf); - else - xdp_return_frame(ptr_to_xdp(buf)); - } + while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) + virtnet_sq_free_unused_buf(vq, buf); + cond_resched(); } for (i = 0; i < vi->max_queue_pairs; i++) { struct virtqueue *vq = vi->rq[i].vq; - - while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) { - if (vi->mergeable_rx_bufs) { - put_page(virt_to_head_page(buf)); - } else if (vi->big_packets) { - give_pages(&vi->rq[i], buf); - } else { - put_page(virt_to_head_page(buf)); - } - } + while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) + virtnet_rq_free_unused_buf(vq, buf); + cond_resched(); } } @@ -3257,6 +3268,8 @@ static int virtnet_probe(struct virtio_device *vdev) } } + _virtnet_set_queues(vi, vi->curr_queue_pairs); + /* serialize netdev register + virtio_device_ready() with ndo_open() */ rtnl_lock(); @@ -3277,8 +3290,6 @@ static int virtnet_probe(struct virtio_device *vdev) goto free_unregister_netdev; } - virtnet_set_queues(vi, vi->curr_queue_pairs); - /* Assume link up if device can't report link status, otherwise get link status from config. */ netif_carrier_off(dev); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index f4869b1836f3..1e3e075454f3 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2550,7 +2550,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, } ndst = &rt->dst; - skb_tunnel_check_pmtu(skb, ndst, VXLAN_HEADROOM); + skb_tunnel_check_pmtu(skb, ndst, vxlan_headroom(flags & VXLAN_F_GPE)); tos = ip_tunnel_ecn_encap(tos, old_iph, skb); ttl = ttl ? : ip4_dst_hoplimit(&rt->dst); @@ -2590,7 +2590,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, goto out_unlock; } - skb_tunnel_check_pmtu(skb, ndst, VXLAN6_HEADROOM); + skb_tunnel_check_pmtu(skb, ndst, vxlan_headroom((flags & VXLAN_F_GPE) | VXLAN_F_IPV6)); tos = ip_tunnel_ecn_encap(tos, old_iph, skb); ttl = ttl ? : ip6_dst_hoplimit(ndst); @@ -2908,14 +2908,12 @@ static int vxlan_change_mtu(struct net_device *dev, int new_mtu) struct vxlan_rdst *dst = &vxlan->default_dst; struct net_device *lowerdev = __dev_get_by_index(vxlan->net, dst->remote_ifindex); - bool use_ipv6 = !!(vxlan->cfg.flags & VXLAN_F_IPV6); /* This check is different than dev->max_mtu, because it looks at * the lowerdev->mtu, rather than the static dev->max_mtu */ if (lowerdev) { - int max_mtu = lowerdev->mtu - - (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM); + int max_mtu = lowerdev->mtu - vxlan_headroom(vxlan->cfg.flags); if (new_mtu > max_mtu) return -EINVAL; } @@ -3514,11 +3512,11 @@ static void vxlan_config_apply(struct net_device *dev, struct vxlan_dev *vxlan = netdev_priv(dev); struct vxlan_rdst *dst = &vxlan->default_dst; unsigned short needed_headroom = ETH_HLEN; - bool use_ipv6 = !!(conf->flags & VXLAN_F_IPV6); int max_mtu = ETH_MAX_MTU; + u32 flags = conf->flags; if (!changelink) { - if (conf->flags & VXLAN_F_GPE) + if (flags & VXLAN_F_GPE) vxlan_raw_setup(dev); else vxlan_ether_setup(dev); @@ -3544,8 +3542,7 @@ static void vxlan_config_apply(struct net_device *dev, dev->needed_tailroom = lowerdev->needed_tailroom; - max_mtu = lowerdev->mtu - (use_ipv6 ? VXLAN6_HEADROOM : - VXLAN_HEADROOM); + max_mtu = lowerdev->mtu - vxlan_headroom(flags); if (max_mtu < ETH_MIN_MTU) max_mtu = ETH_MIN_MTU; @@ -3556,10 +3553,9 @@ static void vxlan_config_apply(struct net_device *dev, if (dev->mtu > max_mtu) dev->mtu = max_mtu; - if (use_ipv6 || conf->flags & VXLAN_F_COLLECT_METADATA) - needed_headroom += VXLAN6_HEADROOM; - else - needed_headroom += VXLAN_HEADROOM; + if (flags & VXLAN_F_COLLECT_METADATA) + flags |= VXLAN_F_IPV6; + needed_headroom += vxlan_headroom(flags); dev->needed_headroom = needed_headroom; memcpy(&vxlan->cfg, conf, sizeof(*conf)); diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index bbcd8ef2873f..4f52003bf422 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -341,6 +341,9 @@ static int lapbeth_new_device(struct net_device *dev) ASSERT_RTNL(); + if (dev->type != ARPHRD_ETHER) + return -EINVAL; + ndev = alloc_netdev(sizeof(*lapbeth), "lapb%d", NET_NAME_UNKNOWN, lapbeth_setup); if (!ndev) diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c index 7ad3d24195ba..138930c66ad2 100644 --- a/drivers/net/wan/z85230.c +++ b/drivers/net/wan/z85230.c @@ -702,7 +702,7 @@ EXPORT_SYMBOL(z8530_nop); irqreturn_t z8530_interrupt(int irq, void *dev_id) { struct z8530_dev *dev=dev_id; - u8 uninitialized_var(intr); + u8 intr; static volatile int locker=0; int work=0; struct z8530_irqhandler *irqs; diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 383d4fa555a8..3e1adfa2f277 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -2157,7 +2157,7 @@ static int ath10k_init_uart(struct ath10k *ar) static int ath10k_init_hw_params(struct ath10k *ar) { - const struct ath10k_hw_params *uninitialized_var(hw_params); + const struct ath10k_hw_params *hw_params; int i; for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) { diff --git a/drivers/net/wireless/ath/ath5k/eeprom.c b/drivers/net/wireless/ath/ath5k/eeprom.c index 01163b333945..92f5c8e83090 100644 --- a/drivers/net/wireless/ath/ath5k/eeprom.c +++ b/drivers/net/wireless/ath/ath5k/eeprom.c @@ -529,7 +529,7 @@ ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max, ee->ee_n_piers[mode]++; freq2 = (val >> 8) & 0xff; - if (!freq2) + if (!freq2 || i >= max) break; pc[i++].freq = ath5k_eeprom_bin2freq(ee, diff --git a/drivers/net/wireless/ath/ath6kl/bmi.c b/drivers/net/wireless/ath/ath6kl/bmi.c index bde5a10d470c..af98e871199d 100644 --- a/drivers/net/wireless/ath/ath6kl/bmi.c +++ b/drivers/net/wireless/ath/ath6kl/bmi.c @@ -246,7 +246,7 @@ int ath6kl_bmi_execute(struct ath6kl *ar, u32 addr, u32 *param) return -EACCES; } - size = sizeof(cid) + sizeof(addr) + sizeof(param); + size = sizeof(cid) + sizeof(addr) + sizeof(*param); if (size > ar->bmi.max_cmd_size) { WARN_ON(1); return -EINVAL; diff --git a/drivers/net/wireless/ath/ath6kl/htc_pipe.c b/drivers/net/wireless/ath/ath6kl/htc_pipe.c index c68848819a52..9b88d96bfe96 100644 --- a/drivers/net/wireless/ath/ath6kl/htc_pipe.c +++ b/drivers/net/wireless/ath/ath6kl/htc_pipe.c @@ -960,8 +960,8 @@ static int ath6kl_htc_pipe_rx_complete(struct ath6kl *ar, struct sk_buff *skb, * Thus the possibility of ar->htc_target being NULL * via ath6kl_recv_complete -> ath6kl_usb_io_comp_work. */ - if (WARN_ON_ONCE(!target)) { - ath6kl_err("Target not yet initialized\n"); + if (!target) { + ath6kl_dbg(ATH6KL_DBG_HTC, "Target not yet initialized\n"); status = -EINVAL; goto free_skb; } diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index aa1c71a76ef7..811fad6d60c0 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -1575,7 +1575,7 @@ static int ath6kl_init_upload(struct ath6kl *ar) int ath6kl_init_hw_params(struct ath6kl *ar) { - const struct ath6kl_hw *uninitialized_var(hw); + const struct ath6kl_hw *hw; int i; for (i = 0; i < ARRAY_SIZE(hw_list); i++) { diff --git a/drivers/net/wireless/ath/ath9k/ar9003_hw.c b/drivers/net/wireless/ath/ath9k/ar9003_hw.c index 2fe12b0de5b4..dea8a998fb62 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_hw.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_hw.c @@ -1099,17 +1099,22 @@ static bool ath9k_hw_verify_hang(struct ath_hw *ah, unsigned int queue) { u32 dma_dbg_chain, dma_dbg_complete; u8 dcu_chain_state, dcu_complete_state; + unsigned int dbg_reg, reg_offset; int i; - for (i = 0; i < NUM_STATUS_READS; i++) { - if (queue < 6) - dma_dbg_chain = REG_READ(ah, AR_DMADBG_4); - else - dma_dbg_chain = REG_READ(ah, AR_DMADBG_5); + if (queue < 6) { + dbg_reg = AR_DMADBG_4; + reg_offset = queue * 5; + } else { + dbg_reg = AR_DMADBG_5; + reg_offset = (queue - 6) * 5; + } + for (i = 0; i < NUM_STATUS_READS; i++) { + dma_dbg_chain = REG_READ(ah, dbg_reg); dma_dbg_complete = REG_READ(ah, AR_DMADBG_6); - dcu_chain_state = (dma_dbg_chain >> (5 * queue)) & 0x1f; + dcu_chain_state = (dma_dbg_chain >> reg_offset) & 0x1f; dcu_complete_state = dma_dbg_complete & 0x3; if ((dcu_chain_state != 0x6) || (dcu_complete_state != 0x1)) @@ -1128,6 +1133,7 @@ static bool ar9003_hw_detect_mac_hang(struct ath_hw *ah) u8 dcu_chain_state, dcu_complete_state; bool dcu_wait_frdone = false; unsigned long chk_dcu = 0; + unsigned int reg_offset; unsigned int i = 0; dma_dbg_4 = REG_READ(ah, AR_DMADBG_4); @@ -1139,12 +1145,15 @@ static bool ar9003_hw_detect_mac_hang(struct ath_hw *ah) goto exit; for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { - if (i < 6) + if (i < 6) { chk_dbg = dma_dbg_4; - else + reg_offset = i * 5; + } else { chk_dbg = dma_dbg_5; + reg_offset = (i - 6) * 5; + } - dcu_chain_state = (chk_dbg >> (5 * i)) & 0x1f; + dcu_chain_state = (chk_dbg >> reg_offset) & 0x1f; if (dcu_chain_state == 0x6) { dcu_wait_frdone = true; chk_dcu |= BIT(i); diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index e23d58f83dd6..3aa915d21554 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -534,6 +534,24 @@ static struct ath9k_htc_hif hif_usb = { .send = hif_usb_send, }; +/* Need to free remain_skb allocated in ath9k_hif_usb_rx_stream + * in case ath9k_hif_usb_rx_stream wasn't called next time to + * process the buffer and subsequently free it. + */ +static void ath9k_hif_usb_free_rx_remain_skb(struct hif_device_usb *hif_dev) +{ + unsigned long flags; + + spin_lock_irqsave(&hif_dev->rx_lock, flags); + if (hif_dev->remain_skb) { + dev_kfree_skb_any(hif_dev->remain_skb); + hif_dev->remain_skb = NULL; + hif_dev->rx_remain_len = 0; + RX_STAT_INC(hif_dev, skb_dropped); + } + spin_unlock_irqrestore(&hif_dev->rx_lock, flags); +} + static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, struct sk_buff *skb) { @@ -868,6 +886,7 @@ err: static void ath9k_hif_usb_dealloc_rx_urbs(struct hif_device_usb *hif_dev) { usb_kill_anchored_urbs(&hif_dev->rx_submitted); + ath9k_hif_usb_free_rx_remain_skb(hif_dev); } static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev) diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index fe62ff668f75..99667aba289d 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -114,7 +114,13 @@ static void htc_process_conn_rsp(struct htc_target *target, if (svc_rspmsg->status == HTC_SERVICE_SUCCESS) { epid = svc_rspmsg->endpoint_id; - if (epid < 0 || epid >= ENDPOINT_MAX) + + /* Check that the received epid for the endpoint to attach + * a new service is valid. ENDPOINT0 can't be used here as it + * is already reserved for HTC_CTRL_RSVD_SVC service and thus + * should not be modified. + */ + if (epid <= ENDPOINT0 || epid >= ENDPOINT_MAX) return; service_id = be16_to_cpu(svc_rspmsg->service_id); diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 17c318902cb8..68cc7803b91a 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -230,7 +230,7 @@ static unsigned int ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 cl struct ath_hw *ah = hw_priv; struct ath_common *common = ath9k_hw_common(ah); struct ath_softc *sc = (struct ath_softc *) common->priv; - unsigned long uninitialized_var(flags); + unsigned long flags; u32 val; if (NR_CPUS > 1 && ah->config.serialize_regmode == SER_REG_MODE_ON) { diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index eb5751a45f26..5968fcec1173 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -200,7 +200,7 @@ void ath_cancel_work(struct ath_softc *sc) void ath_restart_work(struct ath_softc *sc) { ieee80211_queue_delayed_work(sc->hw, &sc->hw_check_work, - ATH_HW_CHECK_POLL_INT); + msecs_to_jiffies(ATH_HW_CHECK_POLL_INT)); if (AR_SREV_9340(sc->sc_ah) || AR_SREV_9330(sc->sc_ah)) ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, @@ -847,7 +847,7 @@ static bool ath9k_txq_list_has_key(struct list_head *txq_list, u32 keyix) static bool ath9k_txq_has_key(struct ath_softc *sc, u32 keyix) { struct ath_hw *ah = sc->sc_ah; - int i; + int i, j; struct ath_txq *txq; bool key_in_use = false; @@ -865,8 +865,9 @@ static bool ath9k_txq_has_key(struct ath_softc *sc, u32 keyix) if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { int idx = txq->txq_tailidx; - while (!key_in_use && - !list_empty(&txq->txq_fifo[idx])) { + for (j = 0; !key_in_use && + !list_empty(&txq->txq_fifo[idx]) && + j < ATH_TXFIFO_DEPTH; j++) { key_in_use = ath9k_txq_list_has_key( &txq->txq_fifo[idx], keyix); INCR(idx, ATH_TXFIFO_DEPTH); @@ -2227,7 +2228,7 @@ void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop, } ieee80211_queue_delayed_work(hw, &sc->hw_check_work, - ATH_HW_CHECK_POLL_INT); + msecs_to_jiffies(ATH_HW_CHECK_POLL_INT)); } static bool ath9k_tx_frames_pending(struct ieee80211_hw *hw) diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index deb22b8c2065..ef861b19fd47 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -218,6 +218,10 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb, if (unlikely(wmi->stopped)) goto free_skb; + /* Validate the obtained SKB. */ + if (unlikely(skb->len < sizeof(struct wmi_cmd_hdr))) + goto free_skb; + hdr = (struct wmi_cmd_hdr *) skb->data; cmd_id = be16_to_cpu(hdr->command_id); diff --git a/drivers/net/wireless/atmel/atmel_cs.c b/drivers/net/wireless/atmel/atmel_cs.c index 7afc9c5329fb..f5fa1a95b0c1 100644 --- a/drivers/net/wireless/atmel/atmel_cs.c +++ b/drivers/net/wireless/atmel/atmel_cs.c @@ -73,6 +73,7 @@ struct local_info { static int atmel_probe(struct pcmcia_device *p_dev) { struct local_info *local; + int ret; dev_dbg(&p_dev->dev, "atmel_attach()\n"); @@ -83,8 +84,16 @@ static int atmel_probe(struct pcmcia_device *p_dev) p_dev->priv = local; - return atmel_config(p_dev); -} /* atmel_attach */ + ret = atmel_config(p_dev); + if (ret) + goto err_free_priv; + + return 0; + +err_free_priv: + kfree(p_dev->priv); + return ret; +} static void atmel_detach(struct pcmcia_device *link) { diff --git a/drivers/net/wireless/broadcom/b43/b43.h b/drivers/net/wireless/broadcom/b43/b43.h index 9fc7c088a539..67b4bac048e5 100644 --- a/drivers/net/wireless/broadcom/b43/b43.h +++ b/drivers/net/wireless/broadcom/b43/b43.h @@ -651,7 +651,7 @@ struct b43_iv { union { __be16 d16; __be32 d32; - } data __packed; + } __packed data; } __packed; diff --git a/drivers/net/wireless/broadcom/b43/debugfs.c b/drivers/net/wireless/broadcom/b43/debugfs.c index 1325727a74ed..8d9a337624a7 100644 --- a/drivers/net/wireless/broadcom/b43/debugfs.c +++ b/drivers/net/wireless/broadcom/b43/debugfs.c @@ -493,7 +493,7 @@ static ssize_t b43_debugfs_read(struct file *file, char __user *userbuf, struct b43_wldev *dev; struct b43_debugfs_fops *dfops; struct b43_dfs_file *dfile; - ssize_t uninitialized_var(ret); + ssize_t ret; char *buf; const size_t bufsize = 1024 * 16; /* 16 kiB buffer */ const size_t buforder = get_order(bufsize); diff --git a/drivers/net/wireless/broadcom/b43/dma.c b/drivers/net/wireless/broadcom/b43/dma.c index 31bf71a80c26..72bf07540da3 100644 --- a/drivers/net/wireless/broadcom/b43/dma.c +++ b/drivers/net/wireless/broadcom/b43/dma.c @@ -37,7 +37,7 @@ static u32 b43_dma_address(struct b43_dma *dma, dma_addr_t dmaaddr, enum b43_addrtype addrtype) { - u32 uninitialized_var(addr); + u32 addr; switch (addrtype) { case B43_DMA_ADDR_LOW: diff --git a/drivers/net/wireless/broadcom/b43/lo.c b/drivers/net/wireless/broadcom/b43/lo.c index 5d97cf06eceb..338b6545a1e7 100644 --- a/drivers/net/wireless/broadcom/b43/lo.c +++ b/drivers/net/wireless/broadcom/b43/lo.c @@ -729,7 +729,7 @@ struct b43_lo_calib *b43_calibrate_lo_setting(struct b43_wldev *dev, }; int max_rx_gain; struct b43_lo_calib *cal; - struct lo_g_saved_values uninitialized_var(saved_regs); + struct lo_g_saved_values saved_regs; /* Values from the "TXCTL Register and Value Table" */ u16 txctl_reg; u16 txctl_value; diff --git a/drivers/net/wireless/broadcom/b43/phy_n.c b/drivers/net/wireless/broadcom/b43/phy_n.c index 0ef62ef77af6..eb4d35cae0c9 100644 --- a/drivers/net/wireless/broadcom/b43/phy_n.c +++ b/drivers/net/wireless/broadcom/b43/phy_n.c @@ -5643,7 +5643,7 @@ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev, u8 rfctl[2]; u8 afectl_core; u16 tmp[6]; - u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna; + u16 cur_hpf1, cur_hpf2, cur_lna; u32 real, imag; enum nl80211_band band; diff --git a/drivers/net/wireless/broadcom/b43/xmit.c b/drivers/net/wireless/broadcom/b43/xmit.c index 058745219516..2ff005b453cd 100644 --- a/drivers/net/wireless/broadcom/b43/xmit.c +++ b/drivers/net/wireless/broadcom/b43/xmit.c @@ -422,10 +422,10 @@ int b43_generate_txhdr(struct b43_wldev *dev, if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) { unsigned int len; - struct ieee80211_hdr *uninitialized_var(hdr); + struct ieee80211_hdr *hdr; int rts_rate, rts_rate_fb; int rts_rate_ofdm, rts_rate_fb_ofdm; - struct b43_plcp_hdr6 *uninitialized_var(plcp); + struct b43_plcp_hdr6 *plcp; struct ieee80211_rate *rts_cts_rate; rts_cts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info); @@ -436,7 +436,7 @@ int b43_generate_txhdr(struct b43_wldev *dev, rts_rate_fb_ofdm = b43_is_ofdm_rate(rts_rate_fb); if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { - struct ieee80211_cts *uninitialized_var(cts); + struct ieee80211_cts *cts; switch (dev->fw.hdr_format) { case B43_FW_HDR_598: @@ -458,7 +458,7 @@ int b43_generate_txhdr(struct b43_wldev *dev, mac_ctl |= B43_TXH_MAC_SENDCTS; len = sizeof(struct ieee80211_cts); } else { - struct ieee80211_rts *uninitialized_var(rts); + struct ieee80211_rts *rts; switch (dev->fw.hdr_format) { case B43_FW_HDR_598: @@ -650,8 +650,8 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) const struct b43_rxhdr_fw4 *rxhdr = _rxhdr; __le16 fctl; u16 phystat0, phystat3; - u16 uninitialized_var(chanstat), uninitialized_var(mactime); - u32 uninitialized_var(macstat); + u16 chanstat, mactime; + u32 macstat; u16 chanid; int padding, rate_idx; diff --git a/drivers/net/wireless/broadcom/b43legacy/b43legacy.h b/drivers/net/wireless/broadcom/b43legacy/b43legacy.h index 6b0cec467938..f49365d14619 100644 --- a/drivers/net/wireless/broadcom/b43legacy/b43legacy.h +++ b/drivers/net/wireless/broadcom/b43legacy/b43legacy.h @@ -379,7 +379,7 @@ struct b43legacy_iv { union { __be16 d16; __be32 d32; - } data __packed; + } __packed data; } __packed; #define B43legacy_PHYMODE(phytype) (1 << (phytype)) diff --git a/drivers/net/wireless/broadcom/b43legacy/debugfs.c b/drivers/net/wireless/broadcom/b43legacy/debugfs.c index 082aab8353b8..cab2c4467693 100644 --- a/drivers/net/wireless/broadcom/b43legacy/debugfs.c +++ b/drivers/net/wireless/broadcom/b43legacy/debugfs.c @@ -190,7 +190,7 @@ static ssize_t b43legacy_debugfs_read(struct file *file, char __user *userbuf, struct b43legacy_wldev *dev; struct b43legacy_debugfs_fops *dfops; struct b43legacy_dfs_file *dfile; - ssize_t uninitialized_var(ret); + ssize_t ret; char *buf; const size_t bufsize = 1024 * 16; /* 16 KiB buffer */ const size_t buforder = get_order(bufsize); diff --git a/drivers/net/wireless/broadcom/b43legacy/main.c b/drivers/net/wireless/broadcom/b43legacy/main.c index 5208a39fd6f7..220c11d34c23 100644 --- a/drivers/net/wireless/broadcom/b43legacy/main.c +++ b/drivers/net/wireless/broadcom/b43legacy/main.c @@ -2580,7 +2580,7 @@ static void b43legacy_put_phy_into_reset(struct b43legacy_wldev *dev) static int b43legacy_switch_phymode(struct b43legacy_wl *wl, unsigned int new_mode) { - struct b43legacy_wldev *uninitialized_var(up_dev); + struct b43legacy_wldev *up_dev; struct b43legacy_wldev *down_dev; int err; bool gmode = false; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index cd146bbca670..b7ceea0b3204 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -1269,13 +1269,14 @@ static int brcmf_set_pmk(struct brcmf_if *ifp, const u8 *pmk_data, u16 pmk_len) { struct brcmf_pub *drvr = ifp->drvr; struct brcmf_wsec_pmk_le pmk; - int i, err; + int err; - /* convert to firmware key format */ - pmk.key_len = cpu_to_le16(pmk_len << 1); - pmk.flags = cpu_to_le16(BRCMF_WSEC_PASSPHRASE); - for (i = 0; i < pmk_len; i++) - snprintf(&pmk.key[2 * i], 3, "%02x", pmk_data[i]); + memset(&pmk, 0, sizeof(pmk)); + + /* pass pmk directly */ + pmk.key_len = cpu_to_le16(pmk_len); + pmk.flags = cpu_to_le16(0); + memcpy(pmk.key, pmk_data, pmk_len); /* store psk in firmware */ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_WSEC_PMK, @@ -5466,6 +5467,11 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; req_len = le32_to_cpu(assoc_info->req_len); resp_len = le32_to_cpu(assoc_info->resp_len); + if (req_len > WL_EXTRA_BUF_MAX || resp_len > WL_EXTRA_BUF_MAX) { + bphy_err(drvr, "invalid lengths in assoc info: req %u resp %u\n", + req_len, resp_len); + return -EINVAL; + } if (req_len) { err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies", cfg->extra_buf, diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c index da0d3834b5f0..ebf0d3072290 100644 --- a/drivers/net/wireless/cisco/airo.c +++ b/drivers/net/wireless/cisco/airo.c @@ -6104,8 +6104,11 @@ static int airo_get_rate(struct net_device *dev, { struct airo_info *local = dev->ml_priv; StatusRid status_rid; /* Card status info */ + int ret; - readStatusRid(local, &status_rid, 1); + ret = readStatusRid(local, &status_rid, 1); + if (ret) + return -EBUSY; vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000; /* If more than one rate, set auto */ diff --git a/drivers/net/wireless/intel/iwlegacy/3945.c b/drivers/net/wireless/intel/iwlegacy/3945.c index 2ac494f5ae22..fd63eba47ba2 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945.c +++ b/drivers/net/wireless/intel/iwlegacy/3945.c @@ -2100,7 +2100,7 @@ il3945_txpower_set_from_eeprom(struct il_priv *il) /* set tx power value for all OFDM rates */ for (rate_idx = 0; rate_idx < IL_OFDM_RATES; rate_idx++) { - s32 uninitialized_var(power_idx); + s32 power_idx; int rc; /* use channel group's clip-power table, diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c index feeb57cadc1c..20c933602f0a 100644 --- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c @@ -2768,7 +2768,7 @@ il4965_hdl_tx(struct il_priv *il, struct il_rx_buf *rxb) struct ieee80211_tx_info *info; struct il4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; u32 status = le32_to_cpu(tx_resp->u.status); - int uninitialized_var(tid); + int tid; int sta_id; int freed; u8 *qc = NULL; diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/sta.c b/drivers/net/wireless/intel/iwlwifi/dvm/sta.c index 51158edce15b..f30fdbedd717 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/sta.c @@ -1086,6 +1086,7 @@ static int iwlagn_send_sta_key(struct iwl_priv *priv, { __le16 key_flags; struct iwl_addsta_cmd sta_cmd; + size_t to_copy; int i; spin_lock_bh(&priv->sta_lock); @@ -1105,7 +1106,9 @@ static int iwlagn_send_sta_key(struct iwl_priv *priv, sta_cmd.key.tkip_rx_tsc_byte2 = tkip_iv32; for (i = 0; i < 5; i++) sta_cmd.key.tkip_rx_ttak[i] = cpu_to_le16(tkip_p1k[i]); - memcpy(sta_cmd.key.key, keyconf->key, keyconf->keylen); + /* keyconf may contain MIC rx/tx keys which iwl does not use */ + to_copy = min_t(size_t, sizeof(sta_cmd.key.key), keyconf->keylen); + memcpy(sta_cmd.key.key, keyconf->key, to_copy); break; case WLAN_CIPHER_SUITE_WEP104: key_flags |= STA_KEY_FLG_KEY_SIZE_MSK; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 524f9dd2323d..f8785c70842d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -1877,6 +1877,11 @@ static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf, if (ret < 0) return ret; + if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) { + ret = -EIO; + goto out; + } + rsp = (void *)hcmd.resp_pkt->data; if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) { ret = -ENXIO; @@ -1954,6 +1959,11 @@ static ssize_t iwl_dbgfs_mem_write(struct file *file, if (ret < 0) return ret; + if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) { + ret = -EIO; + goto out; + } + rsp = (void *)hcmd.resp_pkt->data; if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) { ret = -ENXIO; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c index f49887379c43..f485c0dd75d6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c @@ -508,6 +508,11 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, struct iwl_mcc_update_resp *mcc_resp = (void *)pkt->data; n_channels = __le32_to_cpu(mcc_resp->n_channels); + if (iwl_rx_packet_payload_len(pkt) != + struct_size(mcc_resp, channels, n_channels)) { + resp_cp = ERR_PTR(-EINVAL); + goto exit; + } resp_len = sizeof(struct iwl_mcc_update_resp) + n_channels * sizeof(__le32); resp_cp = kmemdup(mcc_resp, resp_len, GFP_KERNEL); @@ -519,6 +524,11 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, struct iwl_mcc_update_resp_v3 *mcc_resp_v3 = (void *)pkt->data; n_channels = __le32_to_cpu(mcc_resp_v3->n_channels); + if (iwl_rx_packet_payload_len(pkt) != + struct_size(mcc_resp_v3, channels, n_channels)) { + resp_cp = ERR_PTR(-EINVAL); + goto exit; + } resp_len = sizeof(struct iwl_mcc_update_resp) + n_channels * sizeof(__le32); resp_cp = kzalloc(resp_len, GFP_KERNEL); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 5973eecbc037..18c5975d7c03 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1167,8 +1167,11 @@ static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, mvmtxq = iwl_mvm_txq_from_mac80211(txq); mvmtxq->stopped = !start; - if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) + if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { + local_bh_disable(); iwl_mvm_mac_itxq_xmit(mvm->hw, txq); + local_bh_enable(); + } } out: diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index a3255100e3fe..7befb92b5159 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -2557,7 +2557,7 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, } if (iwl_mvm_has_new_rx_api(mvm) && start) { - u16 reorder_buf_size = buf_size * sizeof(baid_data->entries[0]); + u32 reorder_buf_size = buf_size * sizeof(baid_data->entries[0]); /* sparse doesn't like the __align() so don't check */ #ifndef __CHECKER__ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index f34297fd453c..5153314e8555 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -1173,6 +1173,9 @@ static void iwl_pci_remove(struct pci_dev *pdev) { struct iwl_trans *trans = pci_get_drvdata(pdev); + if (!trans) + return; + iwl_drv_stop(trans->drv); iwl_trans_pcie_free(trans); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 8915030030c4..e7b90cf1f28c 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -630,7 +630,6 @@ static int iwl_pcie_set_hw_ready(struct iwl_trans *trans) int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) { int ret; - int t = 0; int iter; IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n"); @@ -645,6 +644,8 @@ int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) usleep_range(1000, 2000); for (iter = 0; iter < 10; iter++) { + int t = 0; + /* If HW is not ready, prepare the conditions to check again */ iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_PREPARE); @@ -2831,7 +2832,7 @@ static bool iwl_write_to_user_buf(char __user *user_buf, ssize_t count, void *buf, ssize_t *size, ssize_t *bytes_copied) { - int buf_size_left = count - *bytes_copied; + ssize_t buf_size_left = count - *bytes_copied; buf_size_left = buf_size_left - (buf_size_left % sizeof(u32)); if (*size > buf_size_left) diff --git a/drivers/net/wireless/intersil/orinoco/orinoco_cs.c b/drivers/net/wireless/intersil/orinoco/orinoco_cs.c index a956f965a1e5..03bfd2482656 100644 --- a/drivers/net/wireless/intersil/orinoco/orinoco_cs.c +++ b/drivers/net/wireless/intersil/orinoco/orinoco_cs.c @@ -96,6 +96,7 @@ orinoco_cs_probe(struct pcmcia_device *link) { struct orinoco_private *priv; struct orinoco_pccard *card; + int ret; priv = alloc_orinocodev(sizeof(*card), &link->dev, orinoco_cs_hard_reset, NULL); @@ -107,8 +108,16 @@ orinoco_cs_probe(struct pcmcia_device *link) card->p_dev = link; link->priv = priv; - return orinoco_cs_config(link); -} /* orinoco_cs_attach */ + ret = orinoco_cs_config(link); + if (ret) + goto err_free_orinocodev; + + return 0; + +err_free_orinocodev: + free_orinocodev(priv); + return ret; +} static void orinoco_cs_detach(struct pcmcia_device *link) { diff --git a/drivers/net/wireless/intersil/orinoco/spectrum_cs.c b/drivers/net/wireless/intersil/orinoco/spectrum_cs.c index b60048c95e0a..011c86e55923 100644 --- a/drivers/net/wireless/intersil/orinoco/spectrum_cs.c +++ b/drivers/net/wireless/intersil/orinoco/spectrum_cs.c @@ -157,6 +157,7 @@ spectrum_cs_probe(struct pcmcia_device *link) { struct orinoco_private *priv; struct orinoco_pccard *card; + int ret; priv = alloc_orinocodev(sizeof(*card), &link->dev, spectrum_cs_hard_reset, @@ -169,8 +170,16 @@ spectrum_cs_probe(struct pcmcia_device *link) card->p_dev = link; link->priv = priv; - return spectrum_cs_config(link); -} /* spectrum_cs_attach */ + ret = spectrum_cs_config(link); + if (ret) + goto err_free_orinocodev; + + return 0; + +err_free_orinocodev: + free_orinocodev(priv); + return ret; +} static void spectrum_cs_detach(struct pcmcia_device *link) { diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 629af26675cf..1ab04adc53dc 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -2202,9 +2202,9 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, if (nd_config) { adapter->nd_info = - kzalloc(sizeof(struct cfg80211_wowlan_nd_match) + - sizeof(struct cfg80211_wowlan_nd_match *) * - scan_rsp->number_of_sets, GFP_ATOMIC); + kzalloc(struct_size(adapter->nd_info, matches, + scan_rsp->number_of_sets), + GFP_ATOMIC); if (adapter->nd_info) adapter->nd_info->n_matches = scan_rsp->number_of_sets; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index a6c530b9ceee..0c813e2b9d29 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -13,10 +13,7 @@ #include "../dma.h" #include "mac.h" -static inline s8 to_rssi(u32 field, u32 rxv) -{ - return (FIELD_GET(field, rxv) - 220) / 2; -} +#define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2) static struct mt76_wcid *mt7615_rx_get_wcid(struct mt7615_dev *dev, u8 idx, bool unicast) diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 3836d6ac5304..d9c1ac5cb562 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -270,13 +270,14 @@ static int ray_probe(struct pcmcia_device *p_dev) { ray_dev_t *local; struct net_device *dev; + int ret; dev_dbg(&p_dev->dev, "ray_attach()\n"); /* Allocate space for private device-specific data */ dev = alloc_etherdev(sizeof(ray_dev_t)); if (!dev) - goto fail_alloc_dev; + return -ENOMEM; local = netdev_priv(dev); local->finder = p_dev; @@ -313,11 +314,16 @@ static int ray_probe(struct pcmcia_device *p_dev) timer_setup(&local->timer, NULL, 0); this_device = p_dev; - return ray_config(p_dev); + ret = ray_config(p_dev); + if (ret) + goto err_free_dev; -fail_alloc_dev: - return -ENOMEM; -} /* ray_attach */ + return 0; + +err_free_dev: + free_netdev(dev); + return ret; +} static void ray_detach(struct pcmcia_device *link) { @@ -1641,38 +1647,34 @@ static void authenticate_timeout(struct timer_list *t) /*===========================================================================*/ static int parse_addr(char *in_str, UCHAR *out) { + int i, k; int len; - int i, j, k; - int status; if (in_str == NULL) return 0; - if ((len = strlen(in_str)) < 2) + len = strnlen(in_str, ADDRLEN * 2 + 1) - 1; + if (len < 1) return 0; memset(out, 0, ADDRLEN); - status = 1; - j = len - 1; - if (j > 12) - j = 12; i = 5; - while (j > 0) { - if ((k = hex_to_bin(in_str[j--])) != -1) + while (len > 0) { + if ((k = hex_to_bin(in_str[len--])) != -1) out[i] = k; else return 0; - if (j == 0) + if (len == 0) break; - if ((k = hex_to_bin(in_str[j--])) != -1) + if ((k = hex_to_bin(in_str[len--])) != -1) out[i] += k << 4; else return 0; if (!i--) break; } - return status; + return 1; } /*===========================================================================*/ diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h index 2a02d4d72dec..b7da89ba1e7d 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h @@ -1255,6 +1255,7 @@ struct rtl8xxxu_priv { u32 rege9c; u32 regeb4; u32 regebc; + u32 regrcr; int next_mbox; int nr_out_eps; diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c index edd2960c109a..e26a722852ee 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c @@ -1702,6 +1702,7 @@ struct rtl8xxxu_fileops rtl8192eu_fops = { .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24), .has_s0s1 = 0, .gen2_thermal_meter = 1, + .needs_full_init = 1, .adda_1t_init = 0x0fc01616, .adda_1t_path_on = 0x0fc01616, .adda_2t_path_on_a = 0x0fc01616, diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index bdccc84278d8..2648b30aab76 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -4048,6 +4048,7 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw) RCR_ACCEPT_MGMT_FRAME | RCR_HTC_LOC_CTRL | RCR_APPEND_PHYSTAT | RCR_APPEND_ICV | RCR_APPEND_MIC; rtl8xxxu_write32(priv, REG_RCR, val32); + priv->regrcr = val32; /* * Accept all multicast @@ -5585,7 +5586,7 @@ static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw, unsigned int *total_flags, u64 multicast) { struct rtl8xxxu_priv *priv = hw->priv; - u32 rcr = rtl8xxxu_read32(priv, REG_RCR); + u32 rcr = priv->regrcr; dev_dbg(&priv->udev->dev, "%s: changed_flags %08x, total_flags %08x\n", __func__, changed_flags, *total_flags); @@ -5631,6 +5632,7 @@ static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw, */ rtl8xxxu_write32(priv, REG_RCR, rcr); + priv->regrcr = rcr; *total_flags &= (FIF_ALLMULTI | FIF_FCSFAIL | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | FIF_OTHER_BSS | FIF_PSPOLL | diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index c9ad6761032a..8fb0b54738ca 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -195,8 +195,8 @@ static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, } else { if (get_rf_type(rtlphy) == RF_1T2R || get_rf_type(rtlphy) == RF_2T2R) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "1T2R or 2T2R\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "1T2R or 2T2R\n"); ht_cap->mcs.rx_mask[0] = 0xFF; ht_cap->mcs.rx_mask[1] = 0xFF; ht_cap->mcs.rx_mask[4] = 0x01; @@ -204,7 +204,7 @@ static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); } else if (get_rf_type(rtlphy) == RF_1T1R) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n"); ht_cap->mcs.rx_mask[0] = 0xFF; ht_cap->mcs.rx_mask[1] = 0x00; @@ -1324,7 +1324,7 @@ bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) rtlpriv->cfg->ops->chk_switch_dmdp(hw); } if (ieee80211_is_auth(fc)) { - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); + rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); mac->link_state = MAC80211_LINKING; /* Dul mac */ @@ -1385,7 +1385,7 @@ bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) if (mac->act_scanning) return false; - RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, + rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, "%s ACT_ADDBAREQ From :%pM\n", is_tx ? "Tx" : "Rx", hdr->addr2); RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", @@ -1400,8 +1400,8 @@ bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) rcu_read_lock(); sta = rtl_find_sta(hw, hdr->addr3); if (sta == NULL) { - RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV, - DBG_DMESG, "sta is NULL\n"); + rtl_dbg(rtlpriv, COMP_SEND | COMP_RECV, + DBG_DMESG, "sta is NULL\n"); rcu_read_unlock(); return true; } @@ -1428,13 +1428,13 @@ bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) } break; case ACT_ADDBARSP: - RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, - "%s ACT_ADDBARSP From :%pM\n", - is_tx ? "Tx" : "Rx", hdr->addr2); + rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, + "%s ACT_ADDBARSP From :%pM\n", + is_tx ? "Tx" : "Rx", hdr->addr2); break; case ACT_DELBA: - RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, - "ACT_ADDBADEL From :%pM\n", hdr->addr2); + rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, + "ACT_ADDBADEL From :%pM\n", hdr->addr2); break; } break; @@ -1519,9 +1519,9 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, /* 68 : UDP BOOTP client * 67 : UDP BOOTP server */ - RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), - DBG_DMESG, "dhcp %s !!\n", - (is_tx) ? "Tx" : "Rx"); + rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), + DBG_DMESG, "dhcp %s !!\n", + (is_tx) ? "Tx" : "Rx"); if (is_tx) setup_special_tx(rtlpriv, ppsc, @@ -1540,8 +1540,8 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, rtlpriv->btcoexist.btc_info.in_4way = true; rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; - RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, - "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); + rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, + "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); if (is_tx) { rtlpriv->ra.is_special_data = true; @@ -1583,12 +1583,12 @@ static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, info = IEEE80211_SKB_CB(skb); ieee80211_tx_info_clear_status(info); if (ack) { - RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_LOUD, - "tx report: ack\n"); + rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD, + "tx report: ack\n"); info->flags |= IEEE80211_TX_STAT_ACK; } else { - RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_LOUD, - "tx report: not ack\n"); + rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD, + "tx report: not ack\n"); info->flags &= ~IEEE80211_TX_STAT_ACK; } ieee80211_tx_status_irqsafe(hw, skb); @@ -1626,8 +1626,8 @@ static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw, tx_report->last_sent_time = jiffies; tx_info->sn = sn; tx_info->send_time = tx_report->last_sent_time; - RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, - "Send TX-Report sn=0x%X\n", sn); + rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG, + "Send TX-Report sn=0x%X\n", sn); return sn; } @@ -1674,9 +1674,9 @@ void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) break; } } - RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, - "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", - st, sn, retry); + rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG, + "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", + st, sn, retry); } EXPORT_SYMBOL_GPL(rtl_tx_report_handler); @@ -1689,9 +1689,9 @@ bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) return true; if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { - RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING, - "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n", - tx_report->last_sent_sn, tx_report->last_recv_sn); + rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_WARNING, + "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n", + tx_report->last_sent_sn, tx_report->last_recv_sn); return true; /* 3 sec. (timeout) seen as acked */ } @@ -1707,8 +1707,8 @@ void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms) if (rtl_check_tx_report_acked(hw)) break; usleep_range(1000, 2000); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); } } @@ -1770,9 +1770,9 @@ int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, return -ENXIO; tid_data = &sta_entry->tids[tid]; - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, - "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, - *ssn); + rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, + "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, + *ssn); tid_data->agg.agg_state = RTL_AGG_START; @@ -1789,8 +1789,8 @@ int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, if (sta == NULL) return -EINVAL; - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, - "on ra = %pM tid = %d\n", sta->addr, tid); + rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, + "on ra = %pM tid = %d\n", sta->addr, tid); if (unlikely(tid >= MAX_TID_COUNT)) return -EINVAL; @@ -1829,8 +1829,8 @@ int rtl_rx_agg_start(struct ieee80211_hw *hw, return -ENXIO; tid_data = &sta_entry->tids[tid]; - RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, - "on ra = %pM tid = %d\n", sta->addr, tid); + rtl_dbg(rtlpriv, COMP_RECV, DBG_DMESG, + "on ra = %pM tid = %d\n", sta->addr, tid); tid_data->agg.rx_agg_state = RTL_RX_AGG_START; return 0; @@ -1845,8 +1845,8 @@ int rtl_rx_agg_stop(struct ieee80211_hw *hw, if (sta == NULL) return -EINVAL; - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, - "on ra = %pM tid = %d\n", sta->addr, tid); + rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, + "on ra = %pM tid = %d\n", sta->addr, tid); if (unlikely(tid >= MAX_TID_COUNT)) return -EINVAL; @@ -1866,8 +1866,8 @@ int rtl_tx_agg_oper(struct ieee80211_hw *hw, if (sta == NULL) return -EINVAL; - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, - "on ra = %pM tid = %d\n", sta->addr, tid); + rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, + "on ra = %pM tid = %d\n", sta->addr, tid); if (unlikely(tid >= MAX_TID_COUNT)) return -EINVAL; @@ -1887,9 +1887,9 @@ void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, &ctrl_agg_size, &agg_size); - RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, - "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", - reject_agg, ctrl_agg_size, agg_size); + rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, + "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", + reject_agg, ctrl_agg_size, agg_size); rtlpriv->hw->max_rx_aggregation_subframes = (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT); @@ -1977,9 +1977,9 @@ void rtl_scan_list_expire(struct ieee80211_hw *hw) list_del(&entry->list); rtlpriv->scan_list.num--; - RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, - "BSSID=%pM is expire in scan list (total=%d)\n", - entry->bssid, rtlpriv->scan_list.num); + rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, + "BSSID=%pM is expire in scan list (total=%d)\n", + entry->bssid, rtlpriv->scan_list.num); kfree(entry); } @@ -2013,9 +2013,9 @@ void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) { list_del_init(&entry->list); entry_found = true; - RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, - "Update BSSID=%pM to scan list (total=%d)\n", - hdr->addr3, rtlpriv->scan_list.num); + rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, + "Update BSSID=%pM to scan list (total=%d)\n", + hdr->addr3, rtlpriv->scan_list.num); break; } } @@ -2029,9 +2029,9 @@ void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) memcpy(entry->bssid, hdr->addr3, ETH_ALEN); rtlpriv->scan_list.num++; - RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, - "Add BSSID=%pM to scan list (total=%d)\n", - hdr->addr3, rtlpriv->scan_list.num); + rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, + "Add BSSID=%pM to scan list (total=%d)\n", + hdr->addr3, rtlpriv->scan_list.num); } entry->age = jiffies; @@ -2191,8 +2191,8 @@ label_lps_done: if ((rtlpriv->link_info.bcn_rx_inperiod + rtlpriv->link_info.num_rx_inperiod) == 0) { rtlpriv->link_info.roam_times++; - RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, - "AP off for %d s\n", + rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG, + "AP off for %d s\n", (rtlpriv->link_info.roam_times * 2)); /* if we can't recv beacon for 10s, @@ -2305,11 +2305,11 @@ static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, switch (cmd_id) { case C2H_DBG: - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n"); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n"); break; case C2H_TXBF: - RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, - "[C2H], C2H_TXBF!!\n"); + rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, + "[C2H], C2H_TXBF!!\n"); break; case C2H_TX_REPORT: rtl_tx_report_handler(hw, cmd_buf, cmd_len); @@ -2319,20 +2319,20 @@ static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len); break; case C2H_BT_INFO: - RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, - "[C2H], C2H_BT_INFO!!\n"); + rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, + "[C2H], C2H_BT_INFO!!\n"); if (rtlpriv->cfg->ops->get_btc_status()) btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len); break; case C2H_BT_MP: - RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, - "[C2H], C2H_BT_MP!!\n"); + rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, + "[C2H], C2H_BT_MP!!\n"); if (rtlpriv->cfg->ops->get_btc_status()) btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len); break; default: - RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, - "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id); + rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, + "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id); break; } } @@ -2356,8 +2356,8 @@ void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec) if (!skb) break; - RT_TRACE(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n", - *((u8 *)skb->cb)); + rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n", + *((u8 *)skb->cb)); RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG, "C2H data: ", skb->data, skb->len); @@ -2702,29 +2702,29 @@ void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) (memcmp(mac->bssid, ap5_6, 3) == 0) || vendor == PEER_ATH) { vendor = PEER_ATH; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || (memcmp(mac->bssid, ap4_5, 3) == 0) || (memcmp(mac->bssid, ap4_1, 3) == 0) || (memcmp(mac->bssid, ap4_2, 3) == 0) || (memcmp(mac->bssid, ap4_3, 3) == 0) || vendor == PEER_RAL) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); vendor = PEER_RAL; } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || vendor == PEER_CISCO) { vendor = PEER_CISCO; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || (memcmp(mac->bssid, ap3_2, 3) == 0) || (memcmp(mac->bssid, ap3_3, 3) == 0) || vendor == PEER_BROAD) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); vendor = PEER_BROAD; } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || vendor == PEER_MARV) { vendor = PEER_MARV; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); } mac->vendor = vendor; diff --git a/drivers/net/wireless/realtek/rtlwifi/cam.c b/drivers/net/wireless/realtek/rtlwifi/cam.c index bf0e0bb1f99b..7aa28da39409 100644 --- a/drivers/net/wireless/realtek/rtlwifi/cam.c +++ b/drivers/net/wireless/realtek/rtlwifi/cam.c @@ -43,14 +43,14 @@ static void rtl_cam_program_entry(struct ieee80211_hw *hw, u32 entry_no, rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], target_command); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE %x: %x\n", - rtlpriv->cfg->maps[WCAMI], target_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "The Key ID is %d\n", entry_no); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE %x: %x\n", - rtlpriv->cfg->maps[RWCAM], target_command); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "WRITE %x: %x\n", + rtlpriv->cfg->maps[WCAMI], target_content); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "The Key ID is %d\n", entry_no); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "WRITE %x: %x\n", + rtlpriv->cfg->maps[RWCAM], target_command); } else if (entry_i == 1) { @@ -64,10 +64,10 @@ static void rtl_cam_program_entry(struct ieee80211_hw *hw, u32 entry_no, rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], target_command); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE A4: %x\n", target_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE A0: %x\n", target_command); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "WRITE A4: %x\n", target_content); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "WRITE A0: %x\n", target_command); } else { @@ -83,15 +83,15 @@ static void rtl_cam_program_entry(struct ieee80211_hw *hw, u32 entry_no, rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], target_command); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE A4: %x\n", target_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE A0: %x\n", target_command); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "WRITE A4: %x\n", target_content); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "WRITE A0: %x\n", target_command); } } - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "after set key, usconfig:%x\n", us_config); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "after set key, usconfig:%x\n", us_config); } u8 rtl_cam_add_one_entry(struct ieee80211_hw *hw, u8 *mac_addr, @@ -101,14 +101,14 @@ u8 rtl_cam_add_one_entry(struct ieee80211_hw *hw, u8 *mac_addr, u32 us_config; struct rtl_priv *rtlpriv = rtl_priv(hw); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "EntryNo:%x, ulKeyId=%x, ulEncAlg=%x, ulUseDK=%x MacAddr %pM\n", - ul_entry_idx, ul_key_id, ul_enc_alg, - ul_default_key, mac_addr); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "EntryNo:%x, ulKeyId=%x, ulEncAlg=%x, ulUseDK=%x MacAddr %pM\n", + ul_entry_idx, ul_key_id, ul_enc_alg, + ul_default_key, mac_addr); if (ul_key_id == TOTAL_CAM_ENTRY) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "ulKeyId exceed!\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "ulKeyId exceed!\n"); return 0; } @@ -120,7 +120,7 @@ u8 rtl_cam_add_one_entry(struct ieee80211_hw *hw, u8 *mac_addr, rtl_cam_program_entry(hw, ul_entry_idx, mac_addr, (u8 *)key_content, us_config); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "end\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "end\n"); return 1; @@ -133,7 +133,7 @@ int rtl_cam_delete_one_entry(struct ieee80211_hw *hw, u32 ul_command; struct rtl_priv *rtlpriv = rtl_priv(hw); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "key_idx:%d\n", ul_key_id); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "key_idx:%d\n", ul_key_id); ul_command = ul_key_id * CAM_CONTENT_COUNT; ul_command = ul_command | BIT(31) | BIT(16); @@ -141,10 +141,10 @@ int rtl_cam_delete_one_entry(struct ieee80211_hw *hw, rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], 0); rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], ul_command); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "rtl_cam_delete_one_entry(): WRITE A4: %x\n", 0); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "rtl_cam_delete_one_entry(): WRITE A0: %x\n", ul_command); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "%s: WRITE A4: %x\n", __func__, 0); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "%s: WRITE A0: %x\n", __func__, ul_command); return 0; @@ -195,10 +195,10 @@ void rtl_cam_mark_invalid(struct ieee80211_hw *hw, u8 uc_index) rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], ul_content); rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], ul_command); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "rtl_cam_mark_invalid(): WRITE A4: %x\n", ul_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "rtl_cam_mark_invalid(): WRITE A0: %x\n", ul_command); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "%s: WRITE A4: %x\n", __func__, ul_content); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "%s: WRITE A0: %x\n", __func__, ul_command); } EXPORT_SYMBOL(rtl_cam_mark_invalid); @@ -245,12 +245,10 @@ void rtl_cam_empty_entry(struct ieee80211_hw *hw, u8 uc_index) rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], ul_content); rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], ul_command); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "rtl_cam_empty_entry(): WRITE A4: %x\n", - ul_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "rtl_cam_empty_entry(): WRITE A0: %x\n", - ul_command); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "%s: WRITE A4: %x\n", __func__, ul_content); + rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, + "%s: WRITE A0: %x\n", __func__, ul_command); } } @@ -313,8 +311,8 @@ void rtl_cam_del_entry(struct ieee80211_hw *hw, u8 *sta_addr) /* Remove from HW Security CAM */ eth_zero_addr(rtlpriv->sec.hwsec_cam_sta_addr[i]); rtlpriv->sec.hwsec_cam_bitmap &= ~(BIT(0) << i); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "&&&&&&&&&del entry %d\n", i); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "&&&&&&&&&del entry %d\n", i); } } return; diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c index f73e690bbe8e..c4c89aade8fb 100644 --- a/drivers/net/wireless/realtek/rtlwifi/core.c +++ b/drivers/net/wireless/realtek/rtlwifi/core.c @@ -76,8 +76,8 @@ static void rtl_fw_do_work(const struct firmware *firmware, void *context, struct rtl_priv *rtlpriv = rtl_priv(hw); int err; - RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, - "Firmware callback routine entered!\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD, + "Firmware callback routine entered!\n"); complete(&rtlpriv->firmware_loading_complete); if (!firmware) { if (rtlpriv->cfg->alt_fw_name) { @@ -214,8 +214,8 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, u8 retry_limit = 0x30; if (mac->vif) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "vif has been set!! mac->vif = 0x%p\n", mac->vif); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "vif has been set!! mac->vif = 0x%p\n", mac->vif); return -EOPNOTSUPP; } @@ -230,16 +230,16 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, /*fall through*/ case NL80211_IFTYPE_STATION: if (mac->beacon_enabled == 1) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "NL80211_IFTYPE_STATION\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "NL80211_IFTYPE_STATION\n"); mac->beacon_enabled = 0; rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); } break; case NL80211_IFTYPE_ADHOC: - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "NL80211_IFTYPE_ADHOC\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "NL80211_IFTYPE_ADHOC\n"); mac->link_state = MAC80211_LINKED; rtlpriv->cfg->ops->set_bcn_reg(hw); @@ -256,8 +256,8 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, mac->p2p = P2P_ROLE_GO; /*fall through*/ case NL80211_IFTYPE_AP: - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "NL80211_IFTYPE_AP\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "NL80211_IFTYPE_AP\n"); mac->link_state = MAC80211_LINKED; rtlpriv->cfg->ops->set_bcn_reg(hw); @@ -271,8 +271,8 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, retry_limit = 0x07; break; case NL80211_IFTYPE_MESH_POINT: - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "NL80211_IFTYPE_MESH_POINT\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "NL80211_IFTYPE_MESH_POINT\n"); mac->link_state = MAC80211_LINKED; rtlpriv->cfg->ops->set_bcn_reg(hw); @@ -293,8 +293,8 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, } if (mac->p2p) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "p2p role %x\n", vif->type); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "p2p role %x\n", vif->type); mac->basic_rates = 0xff0;/*disable cck rate for p2p*/ rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, (u8 *)(&mac->basic_rates)); @@ -360,8 +360,8 @@ static int rtl_op_change_interface(struct ieee80211_hw *hw, vif->type = new_type; vif->p2p = p2p; ret = rtl_op_add_interface(hw, vif); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "p2p %x\n", p2p); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "p2p %x\n", p2p); return ret; } @@ -435,8 +435,8 @@ static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, memset(mask, 0, MAX_WOL_BIT_MASK_SIZE); if (patterns[i].pattern_len < 0 || patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { - RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING, - "Pattern[%d] is too long\n", i); + rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING, + "Pattern[%d] is too long\n", i); continue; } pattern_os = patterns[i].pattern; @@ -515,8 +515,8 @@ static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, "pattern to hw\n", content, len); /* 3. calculate crc */ rtl_pattern.crc = _calculate_wol_pattern_crc(content, len); - RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, - "CRC_Remainder = 0x%x\n", rtl_pattern.crc); + rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE, + "CRC_Remainder = 0x%x\n", rtl_pattern.crc); /* 4. write crc & mask_for_hw to hw */ rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i); @@ -531,7 +531,7 @@ static int rtl_op_suspend(struct ieee80211_hw *hw, struct rtl_hal *rtlhal = rtl_hal(rtlpriv); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); + rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); if (WARN_ON(!wow)) return -EINVAL; @@ -557,7 +557,7 @@ static int rtl_op_resume(struct ieee80211_hw *hw) struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); time64_t now; - RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); + rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); rtlhal->driver_is_goingto_unload = false; rtlhal->enter_pnp_sleep = false; rtlhal->wake_from_pnp_sleep = true; @@ -588,8 +588,8 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) mutex_lock(&rtlpriv->locks.conf_mutex); if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/ - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); } /*For IPS */ @@ -632,9 +632,9 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) } if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", - hw->conf.long_frame_max_tx_count); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", + hw->conf.long_frame_max_tx_count); /* brought up everything changes (changed == ~0) indicates first * open, so use our default value instead of that of wiphy. */ @@ -809,13 +809,13 @@ static void rtl_op_configure_filter(struct ieee80211_hw *hw, if (*new_flags & FIF_ALLMULTI) { mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | rtlpriv->cfg->maps[MAC_RCR_AB]; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "Enable receive multicast frame\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Enable receive multicast frame\n"); } else { mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | rtlpriv->cfg->maps[MAC_RCR_AB]); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "Disable receive multicast frame\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Disable receive multicast frame\n"); } update_rcr = true; } @@ -823,12 +823,12 @@ static void rtl_op_configure_filter(struct ieee80211_hw *hw, if (changed_flags & FIF_FCSFAIL) { if (*new_flags & FIF_FCSFAIL) { mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "Enable receive FCS error frame\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Enable receive FCS error frame\n"); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "Disable receive FCS error frame\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Disable receive FCS error frame\n"); } if (!update_rcr) update_rcr = true; @@ -855,12 +855,12 @@ static void rtl_op_configure_filter(struct ieee80211_hw *hw, if (*new_flags & FIF_CONTROL) { mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "Enable receive control frame.\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Enable receive control frame.\n"); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "Disable receive control frame.\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Disable receive control frame.\n"); } if (!update_rcr) update_rcr = true; @@ -869,12 +869,12 @@ static void rtl_op_configure_filter(struct ieee80211_hw *hw, if (changed_flags & FIF_OTHER_BSS) { if (*new_flags & FIF_OTHER_BSS) { mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "Enable receive other BSS's frame.\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Enable receive other BSS's frame.\n"); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "Disable receive other BSS's frame.\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Disable receive other BSS's frame.\n"); } if (!update_rcr) update_rcr = true; @@ -923,7 +923,7 @@ static int rtl_op_sta_add(struct ieee80211_hw *hw, sta->supp_rates[0] &= 0xfffffff0; memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "Add sta addr is %pM\n", sta->addr); rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); } @@ -939,8 +939,8 @@ static int rtl_op_sta_remove(struct ieee80211_hw *hw, struct rtl_sta_info *sta_entry; if (sta) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "Remove sta addr is %pM\n", sta->addr); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, + "Remove sta addr is %pM\n", sta->addr); sta_entry = (struct rtl_sta_info *)sta->drv_priv; sta_entry->wireless_mode = 0; sta_entry->ratr_index = 0; @@ -988,8 +988,8 @@ static int rtl_op_conf_tx(struct ieee80211_hw *hw, int aci; if (queue >= AC_MAX) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "queue number %d is incorrect!\n", queue); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "queue number %d is incorrect!\n", queue); return -EINVAL; } @@ -1034,8 +1034,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, (changed & BSS_CHANGED_BEACON_ENABLED && bss_conf->enable_beacon)) { if (mac->beacon_enabled == 0) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "BSS_CHANGED_BEACON_ENABLED\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, + "BSS_CHANGED_BEACON_ENABLED\n"); /*start hw beacon interrupt. */ /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ @@ -1052,8 +1052,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, if ((changed & BSS_CHANGED_BEACON_ENABLED && !bss_conf->enable_beacon)) { if (mac->beacon_enabled == 1) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "ADHOC DISABLE BEACON\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, + "ADHOC DISABLE BEACON\n"); mac->beacon_enabled = 0; rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, @@ -1062,8 +1062,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, } } if (changed & BSS_CHANGED_BEACON_INT) { - RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE, - "BSS_CHANGED_BEACON_INT\n"); + rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE, + "BSS_CHANGED_BEACON_INT\n"); mac->beacon_interval = bss_conf->beacon_int; rtlpriv->cfg->ops->set_bcn_intv(hw); } @@ -1102,8 +1102,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, rcu_read_unlock(); goto out; } - RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, - "send PS STATIC frame\n"); + rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, + "send PS STATIC frame\n"); if (rtlpriv->dm.supp_phymode_switch) { if (sta->ht_cap.ht_supported) rtl_send_smps_action(hw, sta, @@ -1143,8 +1143,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, HW_VAR_KEEP_ALIVE, (u8 *)(&keep_alive)); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "BSS_CHANGED_ASSOC\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, + "BSS_CHANGED_ASSOC\n"); } else { struct cfg80211_bss *bss = NULL; @@ -1161,14 +1161,14 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_OFF); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "bssid = %pMF\n", mac->bssid); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, + "bssid = %pMF\n", mac->bssid); if (bss) { cfg80211_unlink_bss(hw->wiphy, bss); cfg80211_put_bss(hw->wiphy, bss); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "cfg80211_unlink !!\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, + "cfg80211_unlink !!\n"); } eth_zero_addr(mac->bssid); @@ -1179,8 +1179,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, if (rtlpriv->cfg->ops->chk_switch_dmdp) rtlpriv->cfg->ops->chk_switch_dmdp(hw); } - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "BSS_CHANGED_UN_ASSOC\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, + "BSS_CHANGED_UN_ASSOC\n"); } rtlpriv->cfg->ops->set_network_type(hw, vif->type); /* For FW LPS: @@ -1198,14 +1198,14 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_ERP_CTS_PROT) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, - "BSS_CHANGED_ERP_CTS_PROT\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, + "BSS_CHANGED_ERP_CTS_PROT\n"); mac->use_cts_protect = bss_conf->use_cts_prot; } if (changed & BSS_CHANGED_ERP_PREAMBLE) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, - "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, + "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", bss_conf->use_short_preamble); mac->short_preamble = bss_conf->use_short_preamble; @@ -1214,8 +1214,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_ERP_SLOT) { - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, - "BSS_CHANGED_ERP_SLOT\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, + "BSS_CHANGED_ERP_SLOT\n"); if (bss_conf->use_short_slot) mac->slot_time = RTL_SLOT_TIME_9; @@ -1229,8 +1229,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_HT) { struct ieee80211_sta *sta = NULL; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, - "BSS_CHANGED_HT\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, + "BSS_CHANGED_HT\n"); rcu_read_lock(); sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); @@ -1261,8 +1261,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, (u8 *)bss_conf->bssid); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "bssid: %pM\n", bss_conf->bssid); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, + "bssid: %pM\n", bss_conf->bssid); mac->vendor = PEER_UNKNOWN; memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); @@ -1393,27 +1393,27 @@ static int rtl_op_ampdu_action(struct ieee80211_hw *hw, switch (action) { case IEEE80211_AMPDU_TX_START: - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, - "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, + "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); return rtl_tx_agg_start(hw, vif, sta, tid, ssn); case IEEE80211_AMPDU_TX_STOP_CONT: case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, - "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, + "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); return rtl_tx_agg_stop(hw, vif, sta, tid); case IEEE80211_AMPDU_TX_OPERATIONAL: - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, - "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, + "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); rtl_tx_agg_oper(hw, sta, tid); break; case IEEE80211_AMPDU_RX_START: - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, - "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, + "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); return rtl_rx_agg_start(hw, sta, tid); case IEEE80211_AMPDU_RX_STOP: - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, - "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, + "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); return rtl_rx_agg_stop(hw, sta, tid); default: pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); @@ -1429,7 +1429,7 @@ static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); mac->act_scanning = true; if (rtlpriv->link_info.higher_busytraffic) { mac->skip_scan = true; @@ -1467,7 +1467,7 @@ static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); + rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); mac->act_scanning = false; mac->skip_scan = false; @@ -1517,8 +1517,8 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, rtlpriv->btcoexist.btc_info.in_4way = false; if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "not open hw encryption\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "not open hw encryption\n"); return -ENOSPC; /*User disabled HW-crypto */ } /* To support IBSS, use sw-crypto for GTK */ @@ -1526,10 +1526,10 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, vif->type == NL80211_IFTYPE_MESH_POINT) && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) return -ENOSPC; - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "%s hardware based encryption for keyidx: %d, mac: %pM\n", - cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, - sta ? sta->addr : bcast_addr); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "%s hardware based encryption for keyidx: %d, mac: %pM\n", + cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, + sta ? sta->addr : bcast_addr); rtlpriv->sec.being_setkey = true; rtl_ips_nic_on(hw); mutex_lock(&rtlpriv->locks.conf_mutex); @@ -1538,28 +1538,28 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, switch (key->cipher) { case WLAN_CIPHER_SUITE_WEP40: key_type = WEP40_ENCRYPTION; - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); break; case WLAN_CIPHER_SUITE_WEP104: - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); key_type = WEP104_ENCRYPTION; break; case WLAN_CIPHER_SUITE_TKIP: key_type = TKIP_ENCRYPTION; - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); break; case WLAN_CIPHER_SUITE_CCMP: key_type = AESCCMP_ENCRYPTION; - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); break; case WLAN_CIPHER_SUITE_AES_CMAC: /* HW don't support CMAC encryption, * use software CMAC encryption */ key_type = AESCMAC_ENCRYPTION; - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "HW don't support CMAC encryption, use software CMAC encryption\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "HW don't support CMAC encryption, use software CMAC encryption\n"); err = -EOPNOTSUPP; goto out_unlock; default: @@ -1605,9 +1605,9 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, key_type == WEP104_ENCRYPTION)) wep_only = true; rtlpriv->sec.pairwise_enc_algorithm = key_type; - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", - key_type); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", + key_type); rtlpriv->cfg->ops->enable_hw_sec(hw); } } @@ -1615,8 +1615,8 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, switch (cmd) { case SET_KEY: if (wep_only) { - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "set WEP(group/pairwise) key\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "set WEP(group/pairwise) key\n"); /* Pairwise key with an assigned MAC address. */ rtlpriv->sec.pairwise_enc_algorithm = key_type; rtlpriv->sec.group_enc_algorithm = key_type; @@ -1626,8 +1626,8 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, rtlpriv->sec.key_len[key_idx] = key->keylen; eth_zero_addr(mac_addr); } else if (group_key) { /* group key */ - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "set group key\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "set group key\n"); /* group key */ rtlpriv->sec.group_enc_algorithm = key_type; /*set local buf about group key. */ @@ -1636,8 +1636,8 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, rtlpriv->sec.key_len[key_idx] = key->keylen; memcpy(mac_addr, bcast_addr, ETH_ALEN); } else { /* pairwise key */ - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "set pairwise key\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "set pairwise key\n"); if (!sta) { WARN_ONCE(true, "rtlwifi: pairwise key without mac_addr\n"); @@ -1669,8 +1669,8 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; break; case DISABLE_KEY: - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "disable key delete one entry\n"); + rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, + "disable key delete one entry\n"); /*set local buf about wep key. */ if (vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_MESH_POINT) { @@ -1718,9 +1718,9 @@ static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { rtlpriv->rfkill.rfkill_state = radio_state; - RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, - "wireless radio switch turned %s\n", - radio_state ? "on" : "off"); + rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, + "wireless radio switch turned %s\n", + radio_state ? "on" : "off"); blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; wiphy_rfkill_set_hw_state(hw->wiphy, blocked); @@ -1765,26 +1765,27 @@ bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, do { cfg_cmd = pwrcfgcmd[ary_idx]; - RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, - "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", - GET_PWR_CFG_OFFSET(cfg_cmd), - GET_PWR_CFG_CUT_MASK(cfg_cmd), - GET_PWR_CFG_FAB_MASK(cfg_cmd), - GET_PWR_CFG_INTF_MASK(cfg_cmd), - GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), - GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, + "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", + __func__, + GET_PWR_CFG_OFFSET(cfg_cmd), + GET_PWR_CFG_CUT_MASK(cfg_cmd), + GET_PWR_CFG_FAB_MASK(cfg_cmd), + GET_PWR_CFG_INTF_MASK(cfg_cmd), + GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), + GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { switch (GET_PWR_CFG_CMD(cfg_cmd)) { case PWR_CMD_READ: - RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); break; case PWR_CMD_WRITE: - RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, - "%s(): PWR_CMD_WRITE\n", __func__); + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, + "%s(): PWR_CMD_WRITE\n", __func__); offset = GET_PWR_CFG_OFFSET(cfg_cmd); /*Read the value from system register*/ @@ -1797,7 +1798,7 @@ bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, rtl_write_byte(rtlpriv, offset, value); break; case PWR_CMD_POLLING: - RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); polling_bit = false; offset = GET_PWR_CFG_OFFSET(cfg_cmd); @@ -1818,8 +1819,8 @@ bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, } while (!polling_bit); break; case PWR_CMD_DELAY: - RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, - "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, + "%s: PWR_CMD_DELAY\n", __func__); if (GET_PWR_CFG_VALUE(cfg_cmd) == PWRSEQ_DELAY_US) udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); @@ -1827,8 +1828,8 @@ bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); break; case PWR_CMD_END: - RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, - "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, + "%s: PWR_CMD_END\n", __func__); return true; default: WARN_ONCE(true, diff --git a/drivers/net/wireless/realtek/rtlwifi/debug.c b/drivers/net/wireless/realtek/rtlwifi/debug.c index ec0da33da4f8..3866ea300a70 100644 --- a/drivers/net/wireless/realtek/rtlwifi/debug.c +++ b/drivers/net/wireless/realtek/rtlwifi/debug.c @@ -298,8 +298,8 @@ static ssize_t rtl_debugfs_set_write_reg(struct file *filp, tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count); - if (!buffer || copy_from_user(tmp, buffer, tmp_len)) - return count; + if (copy_from_user(tmp, buffer, tmp_len)) + return -EFAULT; tmp[tmp_len] = '\0'; @@ -307,7 +307,7 @@ static ssize_t rtl_debugfs_set_write_reg(struct file *filp, num = sscanf(tmp, "%x %x %x", &addr, &val, &len); if (num != 3) - return count; + return -EINVAL; switch (len) { case 1: @@ -395,8 +395,8 @@ static ssize_t rtl_debugfs_set_write_rfreg(struct file *filp, tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count); - if (!buffer || copy_from_user(tmp, buffer, tmp_len)) - return count; + if (copy_from_user(tmp, buffer, tmp_len)) + return -EFAULT; tmp[tmp_len] = '\0'; @@ -404,9 +404,9 @@ static ssize_t rtl_debugfs_set_write_rfreg(struct file *filp, &path, &addr, &bitmask, &data); if (num != 4) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, - "Format is \n"); - return count; + rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG, + "Format is \n"); + return -EINVAL; } rtl_set_rfreg(hw, path, addr, bitmask, data); diff --git a/drivers/net/wireless/realtek/rtlwifi/debug.h b/drivers/net/wireless/realtek/rtlwifi/debug.h index 69f169d4d4ae..dbfb4d67ca31 100644 --- a/drivers/net/wireless/realtek/rtlwifi/debug.h +++ b/drivers/net/wireless/realtek/rtlwifi/debug.h @@ -160,6 +160,10 @@ void _rtl_dbg_print_data(struct rtl_priv *rtlpriv, u64 comp, int level, const char *titlestring, const void *hexdata, int hexdatalen); +#define rtl_dbg(rtlpriv, comp, level, fmt, ...) \ + _rtl_dbg_trace(rtlpriv, comp, level, \ + fmt, ##__VA_ARGS__) + #define RT_TRACE(rtlpriv, comp, level, fmt, ...) \ _rtl_dbg_trace(rtlpriv, comp, level, \ fmt, ##__VA_ARGS__) @@ -176,6 +180,13 @@ void _rtl_dbg_print_data(struct rtl_priv *rtlpriv, u64 comp, int level, struct rtl_priv; +__printf(4, 5) +static inline void rtl_dbg(struct rtl_priv *rtlpriv, + u64 comp, int level, + const char *fmt, ...) +{ +} + __printf(4, 5) static inline void RT_TRACE(struct rtl_priv *rtlpriv, u64 comp, int level, diff --git a/drivers/net/wireless/realtek/rtlwifi/efuse.c b/drivers/net/wireless/realtek/rtlwifi/efuse.c index 264667203f6f..305d43818018 100644 --- a/drivers/net/wireless/realtek/rtlwifi/efuse.c +++ b/drivers/net/wireless/realtek/rtlwifi/efuse.c @@ -120,8 +120,8 @@ void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value) const u32 efuse_len = rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE]; - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n", - address, value); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n", + address, value); if (address < efuse_len) { rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value); @@ -211,9 +211,9 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf) u8 efuse_usage; if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) { - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, - "read_efuse(): Invalid offset(%#x) with read bytes(%#x)!!\n", - _offset, _size_byte); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, + "%s: Invalid offset(%#x) with read bytes(%#x)!!\n", + __func__, _offset, _size_byte); return; } @@ -376,9 +376,9 @@ bool efuse_shadow_update_chk(struct ieee80211_hw *hw) (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) result = false; - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, - "efuse_shadow_update_chk(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n", - totalbytes, hdr_num, words_need, efuse_used); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, + "%s: totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n", + __func__, totalbytes, hdr_num, words_need, efuse_used); return result; } @@ -416,7 +416,7 @@ bool efuse_shadow_update(struct ieee80211_hw *hw) u8 word_en = 0x0F; u8 first_pg = false; - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n"); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n"); if (!efuse_shadow_update_chk(hw)) { efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]); @@ -424,8 +424,8 @@ bool efuse_shadow_update(struct ieee80211_hw *hw) &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]); - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, - "efuse out of capacity!!\n"); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, + "efuse out of capacity!!\n"); return false; } efuse_power_switch(hw, true, true); @@ -464,8 +464,8 @@ bool efuse_shadow_update(struct ieee80211_hw *hw) if (!efuse_pg_packet_write(hw, (u8) offset, word_en, tmpdata)) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "PG section(%#x) fail!!\n", offset); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "PG section(%#x) fail!!\n", offset); break; } } @@ -478,7 +478,7 @@ bool efuse_shadow_update(struct ieee80211_hw *hw) &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]); - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n"); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n"); return true; } @@ -616,8 +616,8 @@ static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data) struct rtl_priv *rtlpriv = rtl_priv(hw); u8 tmpidx = 0; - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, - "Addr = %x Data=%x\n", addr, data); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, + "Addr = %x Data=%x\n", addr, data); rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff)); @@ -997,8 +997,8 @@ static int efuse_pg_packet_write(struct ieee80211_hw *hw, if (efuse_addr >= (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) { - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, - "efuse_addr(%#x) Out of size!!\n", efuse_addr); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, + "efuse_addr(%#x) Out of size!!\n", efuse_addr); } return true; @@ -1038,8 +1038,8 @@ static u8 enable_efuse_data_write(struct ieee80211_hw *hw, u8 tmpdata[8]; memset(tmpdata, 0xff, PGPKT_DATA_SIZE); - RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, - "word_en = %x efuse_addr=%x\n", word_en, efuse_addr); + rtl_dbg(rtlpriv, COMP_EFUSE, DBG_LOUD, + "word_en = %x efuse_addr=%x\n", word_en, efuse_addr); if (!(word_en & BIT(0))) { tmpaddr = start_addr; @@ -1242,11 +1242,11 @@ int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv, eeprom_id = *((u16 *)&hwinfo[0]); if (eeprom_id != params[0]) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "EEPROM ID(%#x) is invalid!!\n", eeprom_id); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "EEPROM ID(%#x) is invalid!!\n", eeprom_id); rtlefuse->autoload_failflag = true; } else { - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n"); rtlefuse->autoload_failflag = false; } @@ -1257,30 +1257,30 @@ int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv, rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]]; rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]]; rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]]; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "EEPROMId = 0x%4x\n", eeprom_id); - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid); - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did); - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid); - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "EEPROMId = 0x%4x\n", eeprom_id); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid); for (i = 0; i < 6; i += 2) { usvalue = *(u16 *)&hwinfo[params[5] + i]; *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue; } - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr); rtlefuse->eeprom_channelplan = *&hwinfo[params[6]]; rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]]; rtlefuse->txpwr_fromeprom = true; rtlefuse->eeprom_oemid = *&hwinfo[params[8]]; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid); /* set channel plan to world wide 13 */ rtlefuse->channel_plan = params[9]; diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 25335bd2873b..9006aa4446b3 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -204,8 +204,8 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) return; if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) { - RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, - "PCI(Bridge) UNKNOWN\n"); + rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE, + "PCI(Bridge) UNKNOWN\n"); return; } @@ -254,8 +254,8 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) return; if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) { - RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, - "PCI(Bridge) UNKNOWN\n"); + rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE, + "PCI(Bridge) UNKNOWN\n"); return; } @@ -271,10 +271,10 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), u_pcibridge_aspmsetting); - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "PlatformEnableASPM(): Write reg[%x] = %x\n", - (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10), - u_pcibridge_aspmsetting); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "PlatformEnableASPM(): Write reg[%x] = %x\n", + (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10), + u_pcibridge_aspmsetting); udelay(50); @@ -331,11 +331,11 @@ static bool rtl_pci_check_buddy_priv(struct ieee80211_hw *hw, list_for_each_entry(tpriv, &rtlpriv->glb_var->glb_priv_list, list) { tpcipriv = (struct rtl_pci_priv *)tpriv->priv; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "pcipriv->ndis_adapter.funcnumber %x\n", + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "pcipriv->ndis_adapter.funcnumber %x\n", pcipriv->ndis_adapter.funcnumber); - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "tpcipriv->ndis_adapter.funcnumber %x\n", + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "tpcipriv->ndis_adapter.funcnumber %x\n", tpcipriv->ndis_adapter.funcnumber); if (pcipriv->ndis_adapter.busnumber == @@ -350,8 +350,8 @@ static bool rtl_pci_check_buddy_priv(struct ieee80211_hw *hw, } } - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "find_buddy_priv %d\n", find_buddy_priv); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "find_buddy_priv %d\n", find_buddy_priv); if (find_buddy_priv) *buddy_priv = tpriv; @@ -388,8 +388,8 @@ static void rtl_pci_parse_configuration(struct pci_dev *pdev, pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &linkctrl_reg); pcipriv->ndis_adapter.linkctrl_reg = (u8)linkctrl_reg; - RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Link Control Register =%x\n", - pcipriv->ndis_adapter.linkctrl_reg); + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "Link Control Register =%x\n", + pcipriv->ndis_adapter.linkctrl_reg); pci_read_config_byte(pdev, 0x98, &tmp); tmp |= BIT(4); @@ -557,11 +557,11 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio) if (rtlpriv->rtlhal.earlymode_enable) skb_pull(skb, EM_HDR_LEN); - RT_TRACE(rtlpriv, (COMP_INTR | COMP_SEND), DBG_TRACE, - "new ring->idx:%d, free: skb_queue_len:%d, free: seq:%x\n", - ring->idx, - skb_queue_len(&ring->queue), - *(u16 *)(skb->data + 22)); + rtl_dbg(rtlpriv, (COMP_INTR | COMP_SEND), DBG_TRACE, + "new ring->idx:%d, free: skb_queue_len:%d, free: seq:%x\n", + ring->idx, + skb_queue_len(&ring->queue), + *(u16 *)(skb->data + 22)); if (prio == TXCMD_QUEUE) { dev_kfree_skb(skb); @@ -608,10 +608,10 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio) } if ((ring->entries - skb_queue_len(&ring->queue)) <= 4) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, - "more desc left, wake skb_queue@%d, ring->idx = %d, skb_queue_len = 0x%x\n", - prio, ring->idx, - skb_queue_len(&ring->queue)); + rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG, + "more desc left, wake skb_queue@%d, ring->idx = %d, skb_queue_len = 0x%x\n", + prio, ring->idx, + skb_queue_len(&ring->queue)); ieee80211_wake_queue(hw, skb_get_queue_mapping(skb)); } @@ -801,9 +801,9 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) skb_reserve(skb, stats.rx_drvinfo_size + stats.rx_bufshift); } else { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "skb->end - skb->tail = %d, len is %d\n", - skb->end - skb->tail, len); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "skb->end - skb->tail = %d, len is %d\n", + skb->end - skb->tail, len); dev_kfree_skb_any(skb); goto new_trx_end; } @@ -925,67 +925,67 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) /*<1> beacon related */ if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_TBDOK]) - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "beacon ok interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "beacon ok interrupt!\n"); if (unlikely(intvec.inta & rtlpriv->cfg->maps[RTL_IMR_TBDER])) - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "beacon err interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "beacon err interrupt!\n"); if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_BDOK]) - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, "beacon interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, "beacon interrupt!\n"); if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_BCNINT]) { - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "prepare beacon for interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "prepare beacon for interrupt!\n"); tasklet_schedule(&rtlpriv->works.irq_prepare_bcn_tasklet); } /*<2> Tx related */ if (unlikely(intvec.intb & rtlpriv->cfg->maps[RTL_IMR_TXFOVW])) - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "IMR_TXFOVW!\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, "IMR_TXFOVW!\n"); if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_MGNTDOK]) { - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "Manage ok interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "Manage ok interrupt!\n"); _rtl_pci_tx_isr(hw, MGNT_QUEUE); } if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_HIGHDOK]) { - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "HIGH_QUEUE ok interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "HIGH_QUEUE ok interrupt!\n"); _rtl_pci_tx_isr(hw, HIGH_QUEUE); } if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_BKDOK]) { rtlpriv->link_info.num_tx_inperiod++; - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "BK Tx OK interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "BK Tx OK interrupt!\n"); _rtl_pci_tx_isr(hw, BK_QUEUE); } if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_BEDOK]) { rtlpriv->link_info.num_tx_inperiod++; - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "BE TX OK interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "BE TX OK interrupt!\n"); _rtl_pci_tx_isr(hw, BE_QUEUE); } if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_VIDOK]) { rtlpriv->link_info.num_tx_inperiod++; - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "VI TX OK interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "VI TX OK interrupt!\n"); _rtl_pci_tx_isr(hw, VI_QUEUE); } if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_VODOK]) { rtlpriv->link_info.num_tx_inperiod++; - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "Vo TX OK interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "Vo TX OK interrupt!\n"); _rtl_pci_tx_isr(hw, VO_QUEUE); } @@ -993,8 +993,8 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) if (intvec.intd & rtlpriv->cfg->maps[RTL_IMR_H2CDOK]) { rtlpriv->link_info.num_tx_inperiod++; - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "H2C TX OK interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "H2C TX OK interrupt!\n"); _rtl_pci_tx_isr(hw, H2C_QUEUE); } } @@ -1003,34 +1003,34 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_COMDOK]) { rtlpriv->link_info.num_tx_inperiod++; - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "CMD TX OK interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "CMD TX OK interrupt!\n"); _rtl_pci_tx_isr(hw, TXCMD_QUEUE); } } /*<3> Rx related */ if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_ROK]) { - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, "Rx ok interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, "Rx ok interrupt!\n"); _rtl_pci_rx_interrupt(hw); } if (unlikely(intvec.inta & rtlpriv->cfg->maps[RTL_IMR_RDU])) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "rx descriptor unavailable!\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "rx descriptor unavailable!\n"); _rtl_pci_rx_interrupt(hw); } if (unlikely(intvec.intb & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "rx overflow !\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, "rx overflow !\n"); _rtl_pci_rx_interrupt(hw); } /*<4> fw related*/ if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723AE) { if (intvec.inta & rtlpriv->cfg->maps[RTL_IMR_C2HCMD]) { - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "firmware interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "firmware interrupt!\n"); queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.fwevt_wq, 0); } @@ -1046,8 +1046,8 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE) { if (unlikely(intvec.inta & rtlpriv->cfg->maps[RTL_IMR_HSISR_IND])) { - RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, - "hsisr interrupt!\n"); + rtl_dbg(rtlpriv, COMP_INTR, DBG_TRACE, + "hsisr interrupt!\n"); _rtl_pci_hs_interrupt(hw); } } @@ -1251,8 +1251,8 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, rtlpci->tx_ring[prio].entries = entries; skb_queue_head_init(&rtlpci->tx_ring[prio].queue); - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "queue:%d, ring_addr:%p\n", - prio, desc); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "queue:%d, ring_addr:%p\n", + prio, desc); /* init every desc in this ring */ if (!rtlpriv->use_new_trx_flow) { @@ -1649,10 +1649,10 @@ static int rtl_pci_tx(struct ieee80211_hw *hw, true, HW_DESC_OWN); if (own == 1 && hw_queue != BEACON_QUEUE) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "No more TX desc@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%x\n", - hw_queue, ring->idx, idx, - skb_queue_len(&ring->queue)); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "No more TX desc@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%x\n", + hw_queue, ring->idx, idx, + skb_queue_len(&ring->queue)); spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); @@ -1662,8 +1662,8 @@ static int rtl_pci_tx(struct ieee80211_hw *hw, if (rtlpriv->cfg->ops->get_available_desc && rtlpriv->cfg->ops->get_available_desc(hw, hw_queue) == 0) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "get_available_desc fail\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "get_available_desc fail\n"); spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); return skb->len; } @@ -1686,8 +1686,8 @@ static int rtl_pci_tx(struct ieee80211_hw *hw, if ((ring->entries - skb_queue_len(&ring->queue)) < 2 && hw_queue != BEACON_QUEUE) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, - "less desc left, stop skb_queue@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%x\n", + rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD, + "less desc left, stop skb_queue@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%x\n", hw_queue, ring->idx, idx, skb_queue_len(&ring->queue)); @@ -1794,8 +1794,8 @@ static int rtl_pci_start(struct ieee80211_hw *hw) err = rtlpriv->cfg->ops->hw_init(hw); if (err) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "Failed to config hardware!\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "Failed to config hardware!\n"); kfree(rtlpriv->btcoexist.btc_context); kfree(rtlpriv->btcoexist.wifi_only_context); return err; @@ -1804,7 +1804,7 @@ static int rtl_pci_start(struct ieee80211_hw *hw) &rtlmac->retry_long); rtlpriv->cfg->ops->enable_interrupt(hw); - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "enable_interrupt OK\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "enable_interrupt OK\n"); rtl_init_rx_config(hw); @@ -1815,7 +1815,7 @@ static int rtl_pci_start(struct ieee80211_hw *hw) rtlpci->up_first_time = false; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%s OK\n", __func__); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "%s OK\n", __func__); return 0; } @@ -1909,71 +1909,71 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, deviceid == RTL_PCI_8171_DID) { switch (revisionid) { case RTL_PCI_REVISION_ID_8192PCIE: - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "8192 PCI-E is found - vid/did=%x/%x\n", - venderid, deviceid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "8192 PCI-E is found - vid/did=%x/%x\n", + venderid, deviceid); rtlhal->hw_type = HARDWARE_TYPE_RTL8192E; return false; case RTL_PCI_REVISION_ID_8192SE: - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "8192SE is found - vid/did=%x/%x\n", - venderid, deviceid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "8192SE is found - vid/did=%x/%x\n", + venderid, deviceid); rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE; break; default: - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "Err: Unknown device - vid/did=%x/%x\n", - venderid, deviceid); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "Err: Unknown device - vid/did=%x/%x\n", + venderid, deviceid); rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE; break; } } else if (deviceid == RTL_PCI_8723AE_DID) { rtlhal->hw_type = HARDWARE_TYPE_RTL8723AE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "8723AE PCI-E is found - vid/did=%x/%x\n", - venderid, deviceid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "8723AE PCI-E is found - vid/did=%x/%x\n", + venderid, deviceid); } else if (deviceid == RTL_PCI_8192CET_DID || deviceid == RTL_PCI_8192CE_DID || deviceid == RTL_PCI_8191CE_DID || deviceid == RTL_PCI_8188CE_DID) { rtlhal->hw_type = HARDWARE_TYPE_RTL8192CE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "8192C PCI-E is found - vid/did=%x/%x\n", - venderid, deviceid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "8192C PCI-E is found - vid/did=%x/%x\n", + venderid, deviceid); } else if (deviceid == RTL_PCI_8192DE_DID || deviceid == RTL_PCI_8192DE_DID2) { rtlhal->hw_type = HARDWARE_TYPE_RTL8192DE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "8192D PCI-E is found - vid/did=%x/%x\n", - venderid, deviceid); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "8192D PCI-E is found - vid/did=%x/%x\n", + venderid, deviceid); } else if (deviceid == RTL_PCI_8188EE_DID) { rtlhal->hw_type = HARDWARE_TYPE_RTL8188EE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Find adapter, Hardware type is 8188EE\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Find adapter, Hardware type is 8188EE\n"); } else if (deviceid == RTL_PCI_8723BE_DID) { rtlhal->hw_type = HARDWARE_TYPE_RTL8723BE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Find adapter, Hardware type is 8723BE\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Find adapter, Hardware type is 8723BE\n"); } else if (deviceid == RTL_PCI_8192EE_DID) { rtlhal->hw_type = HARDWARE_TYPE_RTL8192EE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Find adapter, Hardware type is 8192EE\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Find adapter, Hardware type is 8192EE\n"); } else if (deviceid == RTL_PCI_8821AE_DID) { rtlhal->hw_type = HARDWARE_TYPE_RTL8821AE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Find adapter, Hardware type is 8821AE\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Find adapter, Hardware type is 8821AE\n"); } else if (deviceid == RTL_PCI_8812AE_DID) { rtlhal->hw_type = HARDWARE_TYPE_RTL8812AE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Find adapter, Hardware type is 8812AE\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Find adapter, Hardware type is 8812AE\n"); } else if (deviceid == RTL_PCI_8822BE_DID) { rtlhal->hw_type = HARDWARE_TYPE_RTL8822BE; rtlhal->bandset = BAND_ON_BOTH; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Find adapter, Hardware type is 8822BE\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Find adapter, Hardware type is 8822BE\n"); } else { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "Err: Unknown device - vid/did=%x/%x\n", + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "Err: Unknown device - vid/did=%x/%x\n", venderid, deviceid); rtlhal->hw_type = RTL_DEFAULT_HARDWARE_TYPE; @@ -1982,17 +1982,17 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192DE) { if (revisionid == 0 || revisionid == 1) { if (revisionid == 0) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Find 92DE MAC0\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Find 92DE MAC0\n"); rtlhal->interfaceindex = 0; } else if (revisionid == 1) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Find 92DE MAC1\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Find 92DE MAC1\n"); rtlhal->interfaceindex = 1; } } else { - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Unknown device - VendorID/DeviceID=%x/%x, Revision=%x\n", + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "Unknown device - VendorID/DeviceID=%x/%x, Revision=%x\n", venderid, deviceid, revisionid); rtlhal->interfaceindex = 0; } @@ -2026,9 +2026,9 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) { if (bridge_pdev->vendor == pcibridge_vendors[tmp]) { pcipriv->ndis_adapter.pcibridge_vendor = tmp; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "Pci Bridge Vendor is found index: %d\n", - tmp); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "Pci Bridge Vendor is found index: %d\n", + tmp); break; } } @@ -2056,22 +2056,22 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, } } - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "pcidev busnumber:devnumber:funcnumber:vendor:link_ctl %d:%d:%d:%x:%x\n", - pcipriv->ndis_adapter.busnumber, - pcipriv->ndis_adapter.devnumber, - pcipriv->ndis_adapter.funcnumber, - pdev->vendor, pcipriv->ndis_adapter.linkctrl_reg); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "pcidev busnumber:devnumber:funcnumber:vendor:link_ctl %d:%d:%d:%x:%x\n", + pcipriv->ndis_adapter.busnumber, + pcipriv->ndis_adapter.devnumber, + pcipriv->ndis_adapter.funcnumber, + pdev->vendor, pcipriv->ndis_adapter.linkctrl_reg); - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "pci_bridge busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%x:%x\n", - pcipriv->ndis_adapter.pcibridge_busnum, - pcipriv->ndis_adapter.pcibridge_devnum, - pcipriv->ndis_adapter.pcibridge_funcnum, - pcibridge_vendors[pcipriv->ndis_adapter.pcibridge_vendor], - pcipriv->ndis_adapter.pcibridge_pciehdr_offset, - pcipriv->ndis_adapter.pcibridge_linkctrlreg, - pcipriv->ndis_adapter.amd_l1_patch); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "pci_bridge busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%x:%x\n", + pcipriv->ndis_adapter.pcibridge_busnum, + pcipriv->ndis_adapter.pcibridge_devnum, + pcipriv->ndis_adapter.pcibridge_funcnum, + pcibridge_vendors[pcipriv->ndis_adapter.pcibridge_vendor], + pcipriv->ndis_adapter.pcibridge_pciehdr_offset, + pcipriv->ndis_adapter.pcibridge_linkctrlreg, + pcipriv->ndis_adapter.amd_l1_patch); rtl_pci_parse_configuration(pdev, hw); list_add_tail(&rtlpriv->list, &rtlpriv->glb_var->glb_priv_list); @@ -2099,8 +2099,8 @@ static int rtl_pci_intr_mode_msi(struct ieee80211_hw *hw) rtlpci->using_msi = true; - RT_TRACE(rtlpriv, COMP_INIT | COMP_INTR, DBG_DMESG, - "MSI Interrupt Mode!\n"); + rtl_dbg(rtlpriv, COMP_INIT | COMP_INTR, DBG_DMESG, + "MSI Interrupt Mode!\n"); return 0; } @@ -2117,8 +2117,8 @@ static int rtl_pci_intr_mode_legacy(struct ieee80211_hw *hw) return ret; rtlpci->using_msi = false; - RT_TRACE(rtlpriv, COMP_INIT | COMP_INTR, DBG_DMESG, - "Pin-based Interrupt Mode!\n"); + rtl_dbg(rtlpriv, COMP_INIT | COMP_INTR, DBG_DMESG, + "Pin-based Interrupt Mode!\n"); return 0; } @@ -2245,10 +2245,10 @@ int rtl_pci_probe(struct pci_dev *pdev, goto fail2; } - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "mem mapped space: start: 0x%08lx len:%08lx flags:%08lx, after map:0x%08lx\n", - pmem_start, pmem_len, pmem_flags, - rtlpriv->io.pci_mem_start); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "mem mapped space: start: 0x%08lx len:%08lx flags:%08lx, after map:0x%08lx\n", + pmem_start, pmem_len, pmem_flags, + rtlpriv->io.pci_mem_start); /* Disable Clk Request */ pci_write_config_byte(pdev, 0x81, 0); @@ -2310,9 +2310,9 @@ int rtl_pci_probe(struct pci_dev *pdev, rtlpci = rtl_pcidev(pcipriv); err = rtl_pci_intr_mode_decide(hw); if (err) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "%s: failed to register IRQ handler\n", - wiphy_name(hw->wiphy)); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "%s: failed to register IRQ handler\n", + wiphy_name(hw->wiphy)); goto fail3; } rtlpci->irq_alloc = 1; diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c index fff8dda14023..9a4601a71eae 100644 --- a/drivers/net/wireless/realtek/rtlwifi/ps.c +++ b/drivers/net/wireless/realtek/rtlwifi/ps.c @@ -19,8 +19,8 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw) rtlpriv->intf_ops->reset_trx_ring(hw); if (is_hal_stop(rtlhal)) - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "Driver is already down!\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "Driver is already down!\n"); /*<2> Enable Adapter */ if (rtlpriv->cfg->ops->hw_init(hw)) @@ -81,9 +81,9 @@ static bool rtl_ps_set_rf_state(struct ieee80211_hw *hw, if (ppsc->rfchange_inprogress) { spin_unlock(&rtlpriv->locks.rf_ps_lock); - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "RF Change in progress! Wait to set..state_toset(%d).\n", - state_toset); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "RF Change in progress! Wait to set..state_toset(%d).\n", + state_toset); /* Set RF after the previous action is done. */ while (ppsc->rfchange_inprogress) { @@ -195,8 +195,8 @@ void rtl_ips_nic_off_wq_callback(void *data) enum rf_pwrstate rtstate; if (mac->opmode != NL80211_IFTYPE_STATION) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "not station return\n"); + rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, + "not station return\n"); return; } @@ -232,8 +232,8 @@ void rtl_ips_nic_off_wq_callback(void *data) !ppsc->swrf_processing && (mac->link_state == MAC80211_NOLINK) && !mac->act_scanning) { - RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, - "IPSEnter(): Turn off RF\n"); + rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, + "IPSEnter(): Turn off RF\n"); ppsc->inactive_pwrstate = ERFOFF; ppsc->in_powersavemode = true; @@ -311,8 +311,8 @@ static bool rtl_get_fwlps_doze(struct ieee80211_hw *hw) ppsc->last_delaylps_stamp_jiffies); if (ps_timediff < 2000) { - RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, - "Delay enter Fw LPS for DHCP, ARP, or EAPOL exchanging state\n"); + rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, + "Delay enter Fw LPS for DHCP, ARP, or EAPOL exchanging state\n"); return false; } @@ -357,9 +357,9 @@ void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode) if ((ppsc->fwctrl_lps) && ppsc->report_linked) { if (ppsc->dot11_psmode == EACTIVE) { - RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, - "FW LPS leave ps_mode:%x\n", - FW_PS_ACTIVE_MODE); + rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, + "FW LPS leave ps_mode:%x\n", + FW_PS_ACTIVE_MODE); enter_fwlps = false; ppsc->pwr_mode = FW_PS_ACTIVE_MODE; ppsc->smart_ps = 0; @@ -372,9 +372,9 @@ void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode) rtlpriv->btcoexist.btc_ops->btc_lps_notify(rtlpriv, rt_psmode); } else { if (rtl_get_fwlps_doze(hw)) { - RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, - "FW LPS enter ps_mode:%x\n", - ppsc->fwctrl_psmode); + rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, + "FW LPS enter ps_mode:%x\n", + ppsc->fwctrl_psmode); if (rtlpriv->cfg->ops->get_btc_status()) rtlpriv->btcoexist.btc_ops->btc_lps_notify(rtlpriv, rt_psmode); enter_fwlps = true; @@ -424,8 +424,8 @@ static void rtl_lps_enter_core(struct ieee80211_hw *hw) * bt_ccoexist may ask to enter lps. * In normal case, this constraint move to rtl_lps_set_psmode(). */ - RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, - "Enter 802.11 power save mode...\n"); + rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, + "Enter 802.11 power save mode...\n"); rtl_lps_set_psmode(hw, EAUTOPS); mutex_unlock(&rtlpriv->locks.lps_mutex); @@ -453,8 +453,8 @@ static void rtl_lps_leave_core(struct ieee80211_hw *hw) RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM); } - RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, - "Busy Traffic,Leave 802.11 power save..\n"); + rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, + "Busy Traffic,Leave 802.11 power save..\n"); rtl_lps_set_psmode(hw, EACTIVE); } @@ -538,8 +538,8 @@ void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len) queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.ps_work, MSECS(5)); } else { - RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, - "u_bufferd: %x, m_buffered: %x\n", u_buffed, m_buffed); + rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, + "u_bufferd: %x, m_buffered: %x\n", u_buffed, m_buffed); } } EXPORT_SYMBOL_GPL(rtl_swlps_beacon); @@ -634,9 +634,9 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw) /* this print should always be dtim_conter = 0 & * sleep = dtim_period, that meaons, we should * awake before every dtim */ - RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, - "dtim_counter:%x will sleep :%d beacon_intv\n", - rtlpriv->psc.dtim_counter, sleep_intv); + rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, + "dtim_counter:%x will sleep :%d beacon_intv\n", + rtlpriv->psc.dtim_counter, sleep_intv); /* we tested that 40ms is enough for sw & hw sw delay */ queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.ps_rfon_wq, @@ -748,9 +748,9 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data, if (ie[0] == 12) { find_p2p_ps_ie = true; if ((noa_len - 2) % 13 != 0) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "P2P notice of absence: invalid length.%d\n", - noa_len); + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, + "P2P notice of absence: invalid length.%d\n", + noa_len); return; } else { noa_num = (noa_len - 2) / 13; @@ -761,8 +761,8 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data, noa_index = ie[3]; if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode == P2P_PS_NONE || noa_index != p2pinfo->noa_index) { - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, - "update NOA ie.\n"); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, + "update NOA ie.\n"); p2pinfo->noa_index = noa_index; p2pinfo->opp_ps = (ie[4] >> 7); p2pinfo->ctwindow = ie[4] & 0x7F; @@ -833,7 +833,7 @@ static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data, if (ie == NULL) return; - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "action frame find P2P IE.\n"); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "action frame find P2P IE.\n"); /*to find noa ie*/ while (ie + 1 < end) { noa_len = READEF2BYTE((__le16 *)&ie[1]); @@ -841,13 +841,13 @@ static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data, return; if (ie[0] == 12) { - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "find NOA IE.\n"); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "find NOA IE.\n"); RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_LOUD, "noa ie ", ie, noa_len); if ((noa_len - 2) % 13 != 0) { - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, - "P2P notice of absence: invalid length.%d\n", - noa_len); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, + "P2P notice of absence: invalid length.%d\n", + noa_len); return; } else { noa_num = (noa_len - 2) / 13; @@ -905,7 +905,7 @@ void rtl_p2p_ps_cmd(struct ieee80211_hw *hw , u8 p2p_ps_state) struct rtl_ps_ctl *rtlps = rtl_psc(rtl_priv(hw)); struct rtl_p2p_ps_info *p2pinfo = &(rtlpriv->psc.p2p_ps_info); - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, " p2p state %x\n" , p2p_ps_state); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, " p2p state %x\n", p2p_ps_state); switch (p2p_ps_state) { case P2P_PS_DISABLE: p2pinfo->p2p_ps_state = p2p_ps_state; @@ -957,18 +957,18 @@ void rtl_p2p_ps_cmd(struct ieee80211_hw *hw , u8 p2p_ps_state) default: break; } - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, - "ctwindow %x oppps %x\n", - p2pinfo->ctwindow , p2pinfo->opp_ps); - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, - "count %x duration %x index %x interval %x start time %x noa num %x\n", - p2pinfo->noa_count_type[0], - p2pinfo->noa_duration[0], - p2pinfo->noa_index, - p2pinfo->noa_interval[0], - p2pinfo->noa_start_time[0], - p2pinfo->noa_num); - RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "end\n"); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, + "ctwindow %x oppps %x\n", + p2pinfo->ctwindow, p2pinfo->opp_ps); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, + "count %x duration %x index %x interval %x start time %x noa num %x\n", + p2pinfo->noa_count_type[0], + p2pinfo->noa_duration[0], + p2pinfo->noa_index, + p2pinfo->noa_interval[0], + p2pinfo->noa_start_time[0], + p2pinfo->noa_num); + rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "end\n"); } void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len) diff --git a/drivers/net/wireless/realtek/rtlwifi/regd.c b/drivers/net/wireless/realtek/rtlwifi/regd.c index 8be31e0ad878..4cf8face0bbd 100644 --- a/drivers/net/wireless/realtek/rtlwifi/regd.c +++ b/drivers/net/wireless/realtek/rtlwifi/regd.c @@ -393,13 +393,13 @@ int rtl_regd_init(struct ieee80211_hw *hw, rtlpriv->regd.country_code = channel_plan_to_country_code(rtlpriv->efuse.channel_plan); - RT_TRACE(rtlpriv, COMP_REGD, DBG_DMESG, - "rtl: EEPROM regdomain: 0x%0x country code: %d\n", - rtlpriv->efuse.channel_plan, rtlpriv->regd.country_code); + rtl_dbg(rtlpriv, COMP_REGD, DBG_DMESG, + "rtl: EEPROM regdomain: 0x%0x country code: %d\n", + rtlpriv->efuse.channel_plan, rtlpriv->regd.country_code); if (rtlpriv->regd.country_code >= COUNTRY_CODE_MAX) { - RT_TRACE(rtlpriv, COMP_REGD, DBG_DMESG, - "rtl: EEPROM indicates invalid country code, world wide 13 should be used\n"); + rtl_dbg(rtlpriv, COMP_REGD, DBG_DMESG, + "rtl: EEPROM indicates invalid country code, world wide 13 should be used\n"); rtlpriv->regd.country_code = COUNTRY_CODE_WORLD_WIDE_13; } @@ -414,9 +414,9 @@ int rtl_regd_init(struct ieee80211_hw *hw, rtlpriv->regd.alpha2[1] = '0'; } - RT_TRACE(rtlpriv, COMP_REGD, DBG_TRACE, - "rtl: Country alpha2 being used: %c%c\n", - rtlpriv->regd.alpha2[0], rtlpriv->regd.alpha2[1]); + rtl_dbg(rtlpriv, COMP_REGD, DBG_TRACE, + "rtl: Country alpha2 being used: %c%c\n", + rtlpriv->regd.alpha2[0], rtlpriv->regd.alpha2[1]); _rtl_regd_init_wiphy(&rtlpriv->regd, wiphy, reg_notifier); @@ -428,7 +428,7 @@ void rtl_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); struct rtl_priv *rtlpriv = rtl_priv(hw); - RT_TRACE(rtlpriv, COMP_REGD, DBG_LOUD, "\n"); + rtl_dbg(rtlpriv, COMP_REGD, DBG_LOUD, "\n"); _rtl_reg_notifier_apply(wiphy, request, &rtlpriv->regd); } diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c index df7a14320fd2..869775c711f5 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c @@ -618,8 +618,8 @@ static void _rtl92cu_init_chipn_two_out_ep_priority(struct ieee80211_hw *hw, u8 queue_sel) { u16 beq, bkq, viq, voq, mgtq, hiq; - u16 uninitialized_var(valuehi); - u16 uninitialized_var(valuelow); + u16 valuehi; + u16 valuelow; switch (queue_sel) { case (TX_SELE_HQ | TX_SELE_LQ): diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c index 0ae6371b6318..667578087af2 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c @@ -2392,14 +2392,10 @@ void rtl92d_phy_reload_iqk_setting(struct ieee80211_hw *hw, u8 channel) RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, "Just Read IQK Matrix reg for channel:%d....\n", channel); - if ((rtlphy->iqk_matrix[indexforchannel]. - value[0] != NULL) - /*&&(regea4 != 0) */) + if (rtlphy->iqk_matrix[indexforchannel].value[0][0] != 0) _rtl92d_phy_patha_fill_iqk_matrix(hw, true, - rtlphy->iqk_matrix[ - indexforchannel].value, 0, - (rtlphy->iqk_matrix[ - indexforchannel].value[0][2] == 0)); + rtlphy->iqk_matrix[indexforchannel].value, 0, + rtlphy->iqk_matrix[indexforchannel].value[0][2] == 0); if (IS_92D_SINGLEPHY(rtlhal->version)) { if ((rtlphy->iqk_matrix[ indexforchannel].value[0][4] != 0) diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c index 9bcb187d37dc..fc1548ad434f 100644 --- a/drivers/net/wireless/realtek/rtlwifi/usb.c +++ b/drivers/net/wireless/realtek/rtlwifi/usb.c @@ -259,15 +259,15 @@ static int _rtl_usb_init_tx(struct ieee80211_hw *hw) ? USB_HIGH_SPEED_BULK_SIZE : USB_FULL_SPEED_BULK_SIZE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "USB Max Bulk-out Size=%d\n", - rtlusb->max_bulk_out_size); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "USB Max Bulk-out Size=%d\n", + rtlusb->max_bulk_out_size); for (i = 0; i < __RTL_TXQ_NUM; i++) { u32 ep_num = rtlusb->ep_map.ep_mapping[i]; if (!ep_num) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "Invalid endpoint map setting!\n"); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "Invalid endpoint map setting!\n"); return -EINVAL; } } @@ -337,10 +337,10 @@ static int _rtl_usb_init(struct ieee80211_hw *hw) else if (usb_endpoint_dir_out(pep_desc)) rtlusb->out_ep_nums++; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "USB EP(0x%02x), MaxPacketSize=%d, Interval=%d\n", - pep_desc->bEndpointAddress, pep_desc->wMaxPacketSize, - pep_desc->bInterval); + rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, + "USB EP(0x%02x), MaxPacketSize=%d, Interval=%d\n", + pep_desc->bEndpointAddress, pep_desc->wMaxPacketSize, + pep_desc->bInterval); } if (rtlusb->in_ep_nums < rtlpriv->cfg->usb_interface_cfg->in_ep_num) { pr_err("Too few input end points found\n"); @@ -931,7 +931,7 @@ static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); if (ieee80211_is_auth(fc)) { - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); + rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); } if (rtlpriv->psc.sw_ps_enabled) { diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c index b61b073031e5..94e69e97d5f5 100644 --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -210,7 +210,7 @@ static int rtw_pwr_seq_parser(struct rtw_dev *rtwdev, ret = rtw_sub_pwr_seq_parser(rtwdev, intf_mask, cut_mask, cmd); if (ret) - return -EBUSY; + return ret; idx++; } while (1); @@ -224,6 +224,7 @@ static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on) struct rtw_pwr_seq_cmd **pwr_seq; u8 rpwm; bool cur_pwr; + int ret; rpwm = rtw_read8(rtwdev, rtwdev->hci.rpwm_addr); @@ -245,8 +246,9 @@ static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on) return -EALREADY; pwr_seq = pwr_on ? chip->pwr_on_seq : chip->pwr_off_seq; - if (rtw_pwr_seq_parser(rtwdev, pwr_seq)) - return -EINVAL; + ret = rtw_pwr_seq_parser(rtwdev, pwr_seq); + if (ret) + return ret; return 0; } diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c index 4fe837090cda..22b0567ad826 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c @@ -1479,9 +1479,6 @@ static void rsi_shutdown(struct device *dev) if (sdev->write_fail) rsi_dbg(INFO_ZONE, "###### Device is not ready #######\n"); - if (rsi_set_sdio_pm_caps(adapter)) - rsi_dbg(INFO_ZONE, "Setting power management caps failed\n"); - rsi_dbg(INFO_ZONE, "***** RSI module shut down *****\n"); } diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index 8638c7c72bc3..e6505624f0c2 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -134,8 +134,8 @@ static const struct { /** * iw_valid_channel - validate channel in regulatory domain - * @reg_comain - regulatory domain - * @channel - channel to validate + * @reg_domain: regulatory domain + * @channel: channel to validate * * Returns 0 if invalid in the specified regulatory domain, non-zero if valid. */ @@ -154,7 +154,7 @@ static int iw_valid_channel(int reg_domain, int channel) /** * iw_default_channel - get default channel for a regulatory domain - * @reg_comain - regulatory domain + * @reg_domain: regulatory domain * * Returns the default channel for a regulatory domain */ @@ -237,6 +237,7 @@ static int wl3501_get_flash_mac_addr(struct wl3501_card *this) /** * wl3501_set_to_wla - Move 'size' bytes from PC to card + * @this: Card * @dest: Card addressing space * @src: PC addressing space * @size: Bytes to move @@ -259,6 +260,7 @@ static void wl3501_set_to_wla(struct wl3501_card *this, u16 dest, void *src, /** * wl3501_get_from_wla - Move 'size' bytes from card to PC + * @this: Card * @src: Card addressing space * @dest: PC addressing space * @size: Bytes to move @@ -455,12 +457,10 @@ out: /** * wl3501_send_pkt - Send a packet. - * @this - card - * - * Send a packet. - * - * data = Ethernet raw frame. (e.g. data[0] - data[5] is Dest MAC Addr, + * @this: Card + * @data: Ethernet raw frame. (e.g. data[0] - data[5] is Dest MAC Addr, * data[6] - data[11] is Src MAC Addr) + * @len: Packet length * Ref: IEEE 802.11 */ static int wl3501_send_pkt(struct wl3501_card *this, u8 *data, u16 len) @@ -723,7 +723,7 @@ static void wl3501_mgmt_scan_confirm(struct wl3501_card *this, u16 addr) /** * wl3501_block_interrupt - Mask interrupt from SUTRO - * @this - card + * @this: Card * * Mask interrupt from SUTRO. (i.e. SUTRO cannot interrupt the HOST) * Return: 1 if interrupt is originally enabled @@ -740,7 +740,7 @@ static int wl3501_block_interrupt(struct wl3501_card *this) /** * wl3501_unblock_interrupt - Enable interrupt from SUTRO - * @this - card + * @this: Card * * Enable interrupt from SUTRO. (i.e. SUTRO can interrupt the HOST) * Return: 1 if interrupt is originally enabled @@ -1114,8 +1114,8 @@ static inline void wl3501_ack_interrupt(struct wl3501_card *this) /** * wl3501_interrupt - Hardware interrupt from card. - * @irq - Interrupt number - * @dev_id - net_device + * @irq: Interrupt number + * @dev_id: net_device * * We must acknowledge the interrupt as soon as possible, and block the * interrupt from the same card immediately to prevent re-entry. @@ -1251,7 +1251,7 @@ static int wl3501_close(struct net_device *dev) /** * wl3501_reset - Reset the SUTRO. - * @dev - network device + * @dev: network device * * It is almost the same as wl3501_open(). In fact, we may just wl3501_close() * and wl3501_open() again, but I wouldn't like to free_irq() when the driver @@ -1414,7 +1414,7 @@ static struct iw_statistics *wl3501_get_wireless_stats(struct net_device *dev) /** * wl3501_detach - deletes a driver "instance" - * @link - FILL_IN + * @link: FILL_IN * * This deletes a driver "instance". The device is de-registered with Card * Services. If it has been released, all local data structures are freed. @@ -1435,9 +1435,7 @@ static void wl3501_detach(struct pcmcia_device *link) wl3501_release(link); unregister_netdev(dev); - - if (link->priv) - free_netdev(link->priv); + free_netdev(dev); } static int wl3501_get_name(struct net_device *dev, struct iw_request_info *info, @@ -1864,6 +1862,7 @@ static int wl3501_probe(struct pcmcia_device *p_dev) { struct net_device *dev; struct wl3501_card *this; + int ret; /* The io structure describes IO port mapping */ p_dev->resource[0]->end = 16; @@ -1875,8 +1874,7 @@ static int wl3501_probe(struct pcmcia_device *p_dev) dev = alloc_etherdev(sizeof(struct wl3501_card)); if (!dev) - goto out_link; - + return -ENOMEM; dev->netdev_ops = &wl3501_netdev_ops; dev->watchdog_timeo = 5 * HZ; @@ -1889,9 +1887,15 @@ static int wl3501_probe(struct pcmcia_device *p_dev) netif_stop_queue(dev); p_dev->priv = dev; - return wl3501_config(p_dev); -out_link: - return -ENOMEM; + ret = wl3501_config(p_dev); + if (ret) + goto out_free_etherdev; + + return 0; + +out_free_etherdev: + free_netdev(dev); + return ret; } static int wl3501_config(struct pcmcia_device *link) @@ -1947,8 +1951,7 @@ static int wl3501_config(struct pcmcia_device *link) goto failed; } - for (i = 0; i < 6; i++) - dev->dev_addr[i] = ((char *)&this->mac_addr)[i]; + eth_hw_addr_set(dev, this->mac_addr); /* print probe information */ printk(KERN_INFO "%s: wl3501 @ 0x%3.3x, IRQ %d, " diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index a3078755939e..c3eadac893d8 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -389,7 +389,7 @@ static void xenvif_get_requests(struct xenvif_queue *queue, struct gnttab_map_grant_ref *gop = queue->tx_map_ops + *map_ops; struct xen_netif_tx_request *txp = first; - nr_slots = shinfo->nr_frags + 1; + nr_slots = shinfo->nr_frags + frag_overflow + 1; copy_count(skb) = 0; XENVIF_TX_CB(skb)->split_mask = 0; @@ -455,8 +455,8 @@ static void xenvif_get_requests(struct xenvif_queue *queue, } } - for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; - shinfo->nr_frags++, gop++) { + for (shinfo->nr_frags = 0; nr_slots > 0 && shinfo->nr_frags < MAX_SKB_FRAGS; + shinfo->nr_frags++, gop++, nr_slots--) { index = pending_index(queue->pending_cons++); pending_idx = queue->pending_ring[index]; xenvif_tx_create_map_op(queue, pending_idx, txp, @@ -469,12 +469,12 @@ static void xenvif_get_requests(struct xenvif_queue *queue, txp++; } - if (frag_overflow) { + if (nr_slots > 0) { shinfo = skb_shinfo(nskb); frags = shinfo->frags; - for (shinfo->nr_frags = 0; shinfo->nr_frags < frag_overflow; + for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; shinfo->nr_frags++, txp++, gop++) { index = pending_index(queue->pending_cons++); pending_idx = queue->pending_ring[index]; @@ -485,6 +485,11 @@ static void xenvif_get_requests(struct xenvif_queue *queue, } skb_shinfo(skb)->frag_list = nskb; + } else if (nskb) { + /* A frag_list skb was allocated but it is no longer needed + * because enough slots were converted to copy ops above. + */ + kfree_skb(nskb); } (*copy_ops) = cop - queue->tx_copy_ops; diff --git a/drivers/nfc/nfcsim.c b/drivers/nfc/nfcsim.c index dd27c85190d3..b42d386350b7 100644 --- a/drivers/nfc/nfcsim.c +++ b/drivers/nfc/nfcsim.c @@ -336,10 +336,6 @@ static struct dentry *nfcsim_debugfs_root; static void nfcsim_debugfs_init(void) { nfcsim_debugfs_root = debugfs_create_dir("nfcsim", NULL); - - if (!nfcsim_debugfs_root) - pr_err("Could not create debugfs entry\n"); - } static void nfcsim_debugfs_remove(void) diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index abb37659de34..50983d77329e 100644 --- a/drivers/ntb/hw/amd/ntb_hw_amd.c +++ b/drivers/ntb/hw/amd/ntb_hw_amd.c @@ -1153,12 +1153,17 @@ static struct pci_driver amd_ntb_pci_driver = { static int __init amd_ntb_pci_driver_init(void) { + int ret; pr_info("%s %s\n", NTB_DESC, NTB_VER); if (debugfs_initialized()) debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL); - return pci_register_driver(&amd_ntb_pci_driver); + ret = pci_register_driver(&amd_ntb_pci_driver); + if (ret) + debugfs_remove_recursive(debugfs_dir); + + return ret; } module_init(amd_ntb_pci_driver_init); diff --git a/drivers/ntb/hw/idt/ntb_hw_idt.c b/drivers/ntb/hw/idt/ntb_hw_idt.c index dcf234680535..a0091900b0cf 100644 --- a/drivers/ntb/hw/idt/ntb_hw_idt.c +++ b/drivers/ntb/hw/idt/ntb_hw_idt.c @@ -2908,6 +2908,7 @@ static struct pci_driver idt_pci_driver = { static int __init idt_pci_driver_init(void) { + int ret; pr_info("%s %s\n", NTB_DESC, NTB_VER); /* Create the top DebugFS directory if the FS is initialized */ @@ -2915,7 +2916,11 @@ static int __init idt_pci_driver_init(void) dbgfs_topdir = debugfs_create_dir(KBUILD_MODNAME, NULL); /* Register the NTB hardware driver to handle the PCI device */ - return pci_register_driver(&idt_pci_driver); + ret = pci_register_driver(&idt_pci_driver); + if (ret) + debugfs_remove_recursive(dbgfs_topdir); + + return ret; } module_init(idt_pci_driver_init); diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index bb57ec239029..8d8739bff9f3 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -2065,12 +2065,17 @@ static struct pci_driver intel_ntb_pci_driver = { static int __init intel_ntb_pci_driver_init(void) { + int ret; pr_info("%s %s\n", NTB_DESC, NTB_VER); if (debugfs_initialized()) debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL); - return pci_register_driver(&intel_ntb_pci_driver); + ret = pci_register_driver(&intel_ntb_pci_driver); + if (ret) + debugfs_remove_recursive(debugfs_dir); + + return ret; } module_init(intel_ntb_pci_driver_init); diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 00a5d5764993..3cc0e8ebcdd5 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -412,7 +412,7 @@ int ntb_transport_register_client_dev(char *device_name) rc = device_register(dev); if (rc) { - kfree(client_dev); + put_device(dev); goto err; } diff --git a/drivers/ntb/test/ntb_tool.c b/drivers/ntb/test/ntb_tool.c index 6301aa413c3b..1f6414654622 100644 --- a/drivers/ntb/test/ntb_tool.c +++ b/drivers/ntb/test/ntb_tool.c @@ -998,6 +998,8 @@ static int tool_init_mws(struct tool_ctx *tc) tc->peers[pidx].outmws = devm_kcalloc(&tc->ntb->dev, tc->peers[pidx].outmw_cnt, sizeof(*tc->peers[pidx].outmws), GFP_KERNEL); + if (tc->peers[pidx].outmws == NULL) + return -ENOMEM; for (widx = 0; widx < tc->peers[pidx].outmw_cnt; widx++) { tc->peers[pidx].outmws[widx].pidx = pidx; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 029a89aead53..9144ed14b074 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3976,11 +3976,19 @@ static void nvme_fw_act_work(struct work_struct *work) nvme_get_fw_slot_info(ctrl); } +static u32 nvme_aer_type(u32 result) +{ + return result & 0x7; +} + +static u32 nvme_aer_subtype(u32 result) +{ + return (result & 0xff00) >> 8; +} + static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) { - u32 aer_notice_type = (result & 0xff00) >> 8; - - trace_nvme_async_event(ctrl, aer_notice_type); + u32 aer_notice_type = nvme_aer_subtype(result); switch (aer_notice_type) { case NVME_AER_NOTICE_NS_CHANGED: @@ -4011,24 +4019,40 @@ static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) } } +static void nvme_handle_aer_persistent_error(struct nvme_ctrl *ctrl) +{ + dev_warn(ctrl->device, "resetting controller due to AER\n"); + nvme_reset_ctrl(ctrl); +} + void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, volatile union nvme_result *res) { u32 result = le32_to_cpu(res->u32); - u32 aer_type = result & 0x07; + u32 aer_type = nvme_aer_type(result); + u32 aer_subtype = nvme_aer_subtype(result); if (le16_to_cpu(status) >> 1 != NVME_SC_SUCCESS) return; + trace_nvme_async_event(ctrl, result); switch (aer_type) { case NVME_AER_NOTICE: nvme_handle_aen_notice(ctrl, result); break; case NVME_AER_ERROR: + /* + * For a persistent internal error, don't run async_event_work + * to submit a new AER. The controller reset will do it. + */ + if (aer_subtype == NVME_AER_ERROR_PERSIST_INT_ERR) { + nvme_handle_aer_persistent_error(ctrl); + return; + } + fallthrough; case NVME_AER_SMART: case NVME_AER_CSS: case NVME_AER_VS: - trace_nvme_async_event(ctrl, aer_type); ctrl->aen_result = result; break; default: diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index d5d7b2f98edc..6de507d88f5f 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -905,6 +905,7 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) goto out_cleanup_connect_q; if (!new) { + nvme_start_freeze(&ctrl->ctrl); nvme_start_queues(&ctrl->ctrl); if (!nvme_wait_freeze_timeout(&ctrl->ctrl, NVME_IO_TIMEOUT)) { /* @@ -913,6 +914,7 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) * to be safe. */ ret = -ENODEV; + nvme_unfreeze(&ctrl->ctrl); goto out_wait_freeze_timed_out; } blk_mq_update_nr_hw_queues(ctrl->ctrl.tagset, @@ -958,7 +960,6 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl, bool remove) { if (ctrl->ctrl.queue_count > 1) { - nvme_start_freeze(&ctrl->ctrl); nvme_stop_queues(&ctrl->ctrl); nvme_sync_io_queues(&ctrl->ctrl); nvme_rdma_stop_io_queues(ctrl); diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 4250081595c1..61296032ce6d 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1707,6 +1707,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) goto out_cleanup_connect_q; if (!new) { + nvme_start_freeze(ctrl); nvme_start_queues(ctrl); if (!nvme_wait_freeze_timeout(ctrl, NVME_IO_TIMEOUT)) { /* @@ -1715,6 +1716,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) * to be safe. */ ret = -ENODEV; + nvme_unfreeze(ctrl); goto out_wait_freeze_timed_out; } blk_mq_update_nr_hw_queues(ctrl->tagset, @@ -1837,7 +1839,6 @@ static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl, if (ctrl->queue_count <= 1) return; blk_mq_quiesce_queue(ctrl->admin_q); - nvme_start_freeze(ctrl); nvme_stop_queues(ctrl); nvme_sync_io_queues(ctrl); nvme_tcp_stop_io_queues(ctrl); diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h index 35bac7a25422..700fdce2ecf1 100644 --- a/drivers/nvme/host/trace.h +++ b/drivers/nvme/host/trace.h @@ -127,15 +127,12 @@ TRACE_EVENT(nvme_async_event, ), TP_printk("nvme%d: NVME_AEN=%#08x [%s]", __entry->ctrl_id, __entry->result, - __print_symbolic(__entry->result, - aer_name(NVME_AER_NOTICE_NS_CHANGED), - aer_name(NVME_AER_NOTICE_ANA), - aer_name(NVME_AER_NOTICE_FW_ACT_STARTING), - aer_name(NVME_AER_NOTICE_DISC_CHANGED), - aer_name(NVME_AER_ERROR), - aer_name(NVME_AER_SMART), - aer_name(NVME_AER_CSS), - aer_name(NVME_AER_VS)) + __print_symbolic(__entry->result & 0x7, + aer_name(NVME_AER_ERROR), + aer_name(NVME_AER_SMART), + aer_name(NVME_AER_NOTICE), + aer_name(NVME_AER_CSS), + aer_name(NVME_AER_VS)) ) ); diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c index b50b53db3746..34345c45a3e5 100644 --- a/drivers/nvme/target/fcloop.c +++ b/drivers/nvme/target/fcloop.c @@ -431,10 +431,11 @@ fcloop_fcp_recv_work(struct work_struct *work) struct fcloop_fcpreq *tfcp_req = container_of(work, struct fcloop_fcpreq, fcp_rcv_work); struct nvmefc_fcp_req *fcpreq = tfcp_req->fcpreq; + unsigned long flags; int ret = 0; bool aborted = false; - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); switch (tfcp_req->inistate) { case INI_IO_START: tfcp_req->inistate = INI_IO_ACTIVE; @@ -443,11 +444,11 @@ fcloop_fcp_recv_work(struct work_struct *work) aborted = true; break; default: - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); WARN_ON(1); return; } - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); if (unlikely(aborted)) ret = -ECANCELED; @@ -468,8 +469,9 @@ fcloop_fcp_abort_recv_work(struct work_struct *work) container_of(work, struct fcloop_fcpreq, abort_rcv_work); struct nvmefc_fcp_req *fcpreq; bool completed = false; + unsigned long flags; - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); fcpreq = tfcp_req->fcpreq; switch (tfcp_req->inistate) { case INI_IO_ABORTED: @@ -478,11 +480,11 @@ fcloop_fcp_abort_recv_work(struct work_struct *work) completed = true; break; default: - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); WARN_ON(1); return; } - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); if (unlikely(completed)) { /* remove reference taken in original abort downcall */ @@ -494,9 +496,9 @@ fcloop_fcp_abort_recv_work(struct work_struct *work) nvmet_fc_rcv_fcp_abort(tfcp_req->tport->targetport, &tfcp_req->tgt_fcp_req); - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); tfcp_req->fcpreq = NULL; - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); fcloop_call_host_done(fcpreq, tfcp_req, -ECANCELED); /* call_host_done releases reference for abort downcall */ @@ -512,11 +514,12 @@ fcloop_tgt_fcprqst_done_work(struct work_struct *work) struct fcloop_fcpreq *tfcp_req = container_of(work, struct fcloop_fcpreq, tio_done_work); struct nvmefc_fcp_req *fcpreq; + unsigned long flags; - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); fcpreq = tfcp_req->fcpreq; tfcp_req->inistate = INI_IO_COMPLETED; - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); fcloop_call_host_done(fcpreq, tfcp_req, tfcp_req->status); } @@ -620,13 +623,14 @@ fcloop_fcp_op(struct nvmet_fc_target_port *tgtport, u32 rsplen = 0, xfrlen = 0; int fcp_err = 0, active, aborted; u8 op = tgt_fcpreq->op; + unsigned long flags; - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); fcpreq = tfcp_req->fcpreq; active = tfcp_req->active; aborted = tfcp_req->aborted; tfcp_req->active = true; - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); if (unlikely(active)) /* illegal - call while i/o active */ @@ -634,9 +638,9 @@ fcloop_fcp_op(struct nvmet_fc_target_port *tgtport, if (unlikely(aborted)) { /* target transport has aborted i/o prior */ - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); tfcp_req->active = false; - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); tgt_fcpreq->transferred_length = 0; tgt_fcpreq->fcp_error = -ECANCELED; tgt_fcpreq->done(tgt_fcpreq); @@ -693,9 +697,9 @@ fcloop_fcp_op(struct nvmet_fc_target_port *tgtport, break; } - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); tfcp_req->active = false; - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); tgt_fcpreq->transferred_length = xfrlen; tgt_fcpreq->fcp_error = fcp_err; @@ -709,15 +713,16 @@ fcloop_tgt_fcp_abort(struct nvmet_fc_target_port *tgtport, struct nvmefc_tgt_fcp_req *tgt_fcpreq) { struct fcloop_fcpreq *tfcp_req = tgt_fcp_req_to_fcpreq(tgt_fcpreq); + unsigned long flags; /* * mark aborted only in case there were 2 threads in transport * (one doing io, other doing abort) and only kills ops posted * after the abort request */ - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); tfcp_req->aborted = true; - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); tfcp_req->status = NVME_SC_INTERNAL; @@ -753,6 +758,7 @@ fcloop_fcp_abort(struct nvme_fc_local_port *localport, struct fcloop_ini_fcpreq *inireq = fcpreq->private; struct fcloop_fcpreq *tfcp_req; bool abortio = true; + unsigned long flags; spin_lock(&inireq->inilock); tfcp_req = inireq->tfcp_req; @@ -765,7 +771,7 @@ fcloop_fcp_abort(struct nvme_fc_local_port *localport, return; /* break initiator/target relationship for io */ - spin_lock_irq(&tfcp_req->reqlock); + spin_lock_irqsave(&tfcp_req->reqlock, flags); switch (tfcp_req->inistate) { case INI_IO_START: case INI_IO_ACTIVE: @@ -775,11 +781,11 @@ fcloop_fcp_abort(struct nvme_fc_local_port *localport, abortio = false; break; default: - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); WARN_ON(1); return; } - spin_unlock_irq(&tfcp_req->reqlock); + spin_unlock_irqrestore(&tfcp_req->reqlock, flags); if (abortio) /* leave the reference while the work item is scheduled */ diff --git a/drivers/of/device.c b/drivers/of/device.c index 5bc25fa17222..ac32f35f2b26 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -253,12 +253,15 @@ int of_device_request_module(struct device *dev) if (size < 0) return size; - str = kmalloc(size + 1, GFP_KERNEL); + /* Reserve an additional byte for the trailing '\0' */ + size++; + + str = kmalloc(size, GFP_KERNEL); if (!str) return -ENOMEM; of_device_get_modalias(dev, str, size); - str[size] = '\0'; + str[size - 1] = '\0'; ret = request_module(str); kfree(str); diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index b34b52b364d5..30c259f63239 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1295,6 +1295,13 @@ DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_SYNOPSYS, 0xabcd, static int __init imx6_pcie_init(void) { #ifdef CONFIG_ARM + struct device_node *np; + + np = of_find_matching_node(NULL, imx6_pcie_of_match); + if (!np) + return -ENODEV; + of_node_put(np); + /* * Since probe() can be deferred we need to make sure that * hook_fault_code is not called after __init memory is freed diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 055cef60b425..5321862dbf16 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -818,6 +818,8 @@ static int qcom_pcie_get_resources_2_4_0(struct qcom_pcie *pcie) return PTR_ERR(res->phy_ahb_reset); } + dw_pcie_dbi_ro_wr_dis(pci); + return 0; } diff --git a/drivers/pci/controller/pci-ftpci100.c b/drivers/pci/controller/pci-ftpci100.c index bf5ece5d9291..88983fd0c1bd 100644 --- a/drivers/pci/controller/pci-ftpci100.c +++ b/drivers/pci/controller/pci-ftpci100.c @@ -458,22 +458,12 @@ static int faraday_pci_probe(struct platform_device *pdev) p->dev = dev; /* Retrieve and enable optional clocks */ - clk = devm_clk_get(dev, "PCLK"); + clk = devm_clk_get_enabled(dev, "PCLK"); if (IS_ERR(clk)) return PTR_ERR(clk); - ret = clk_prepare_enable(clk); - if (ret) { - dev_err(dev, "could not prepare PCLK\n"); - return ret; - } - p->bus_clk = devm_clk_get(dev, "PCICLK"); + p->bus_clk = devm_clk_get_enabled(dev, "PCICLK"); if (IS_ERR(p->bus_clk)) return PTR_ERR(p->bus_clk); - ret = clk_prepare_enable(p->bus_clk); - if (ret) { - dev_err(dev, "could not prepare PCICLK\n"); - return ret; - } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); p->base = devm_ioremap_resource(dev, regs); diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 3d48fa685aaa..f66f07b8eebd 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -2739,6 +2739,24 @@ static int hv_pci_query_relations(struct hv_device *hdev) if (!ret) ret = wait_for_response(hdev, &comp); + /* + * In the case of fast device addition/removal, it's possible that + * vmbus_sendpacket() or wait_for_response() returns -ENODEV but we + * already got a PCI_BUS_RELATIONS* message from the host and the + * channel callback already scheduled a work to hbus->wq, which can be + * running pci_devices_present_work() -> survey_child_resources() -> + * complete(&hbus->survey_event), even after hv_pci_query_relations() + * exits and the stack variable 'comp' is no longer valid; as a result, + * a hang or a page fault may happen when the complete() calls + * raw_spin_lock_irqsave(). Flush hbus->wq before we exit from + * hv_pci_query_relations() to avoid the issues. Note: if 'ret' is + * -ENODEV, there can't be any more work item scheduled to hbus->wq + * after the flush_workqueue(): see vmbus_onoffer_rescind() -> + * vmbus_reset_channel_cb(), vmbus_rescind_cleanup() -> + * channel->rescind = true. + */ + flush_workqueue(hbus->wq); + return ret; } diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index b82edefffd15..d7ab669b1b0d 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -124,6 +124,7 @@ static void rockchip_pcie_prog_ep_ob_atu(struct rockchip_pcie *rockchip, u8 fn, static int rockchip_pcie_ep_write_header(struct pci_epc *epc, u8 fn, struct pci_epf_header *hdr) { + u32 reg; struct rockchip_pcie_ep *ep = epc_get_drvdata(epc); struct rockchip_pcie *rockchip = &ep->rockchip; @@ -136,8 +137,9 @@ static int rockchip_pcie_ep_write_header(struct pci_epc *epc, u8 fn, PCIE_CORE_CONFIG_VENDOR); } - rockchip_pcie_write(rockchip, hdr->deviceid << 16, - ROCKCHIP_PCIE_EP_FUNC_BASE(fn) + PCI_VENDOR_ID); + reg = rockchip_pcie_read(rockchip, PCIE_EP_CONFIG_DID_VID); + reg = (reg & 0xFFFF) | (hdr->deviceid << 16); + rockchip_pcie_write(rockchip, reg, PCIE_EP_CONFIG_DID_VID); rockchip_pcie_write(rockchip, hdr->revid | @@ -311,15 +313,15 @@ static int rockchip_pcie_ep_set_msi(struct pci_epc *epc, u8 fn, { struct rockchip_pcie_ep *ep = epc_get_drvdata(epc); struct rockchip_pcie *rockchip = &ep->rockchip; - u16 flags; + u32 flags; flags = rockchip_pcie_read(rockchip, ROCKCHIP_PCIE_EP_FUNC_BASE(fn) + ROCKCHIP_PCIE_EP_MSI_CTRL_REG); flags &= ~ROCKCHIP_PCIE_EP_MSI_CTRL_MMC_MASK; flags |= - ((multi_msg_cap << 1) << ROCKCHIP_PCIE_EP_MSI_CTRL_MMC_OFFSET) | - PCI_MSI_FLAGS_64BIT; + (multi_msg_cap << ROCKCHIP_PCIE_EP_MSI_CTRL_MMC_OFFSET) | + (PCI_MSI_FLAGS_64BIT << ROCKCHIP_PCIE_EP_MSI_FLAGS_OFFSET); flags &= ~ROCKCHIP_PCIE_EP_MSI_CTRL_MASK_MSI_CAP; rockchip_pcie_write(rockchip, flags, ROCKCHIP_PCIE_EP_FUNC_BASE(fn) + @@ -331,7 +333,7 @@ static int rockchip_pcie_ep_get_msi(struct pci_epc *epc, u8 fn) { struct rockchip_pcie_ep *ep = epc_get_drvdata(epc); struct rockchip_pcie *rockchip = &ep->rockchip; - u16 flags; + u32 flags; flags = rockchip_pcie_read(rockchip, ROCKCHIP_PCIE_EP_FUNC_BASE(fn) + @@ -344,48 +346,25 @@ static int rockchip_pcie_ep_get_msi(struct pci_epc *epc, u8 fn) } static void rockchip_pcie_ep_assert_intx(struct rockchip_pcie_ep *ep, u8 fn, - u8 intx, bool is_asserted) + u8 intx, bool do_assert) { struct rockchip_pcie *rockchip = &ep->rockchip; - u32 r = ep->max_regions - 1; - u32 offset; - u32 status; - u8 msg_code; - - if (unlikely(ep->irq_pci_addr != ROCKCHIP_PCIE_EP_PCI_LEGACY_IRQ_ADDR || - ep->irq_pci_fn != fn)) { - rockchip_pcie_prog_ep_ob_atu(rockchip, fn, r, - AXI_WRAPPER_NOR_MSG, - ep->irq_phys_addr, 0, 0); - ep->irq_pci_addr = ROCKCHIP_PCIE_EP_PCI_LEGACY_IRQ_ADDR; - ep->irq_pci_fn = fn; - } intx &= 3; - if (is_asserted) { + + if (do_assert) { ep->irq_pending |= BIT(intx); - msg_code = ROCKCHIP_PCIE_MSG_CODE_ASSERT_INTA + intx; + rockchip_pcie_write(rockchip, + PCIE_CLIENT_INT_IN_ASSERT | + PCIE_CLIENT_INT_PEND_ST_PEND, + PCIE_CLIENT_LEGACY_INT_CTRL); } else { ep->irq_pending &= ~BIT(intx); - msg_code = ROCKCHIP_PCIE_MSG_CODE_DEASSERT_INTA + intx; + rockchip_pcie_write(rockchip, + PCIE_CLIENT_INT_IN_DEASSERT | + PCIE_CLIENT_INT_PEND_ST_NORMAL, + PCIE_CLIENT_LEGACY_INT_CTRL); } - - status = rockchip_pcie_read(rockchip, - ROCKCHIP_PCIE_EP_FUNC_BASE(fn) + - ROCKCHIP_PCIE_EP_CMD_STATUS); - status &= ROCKCHIP_PCIE_EP_CMD_STATUS_IS; - - if ((status != 0) ^ (ep->irq_pending != 0)) { - status ^= ROCKCHIP_PCIE_EP_CMD_STATUS_IS; - rockchip_pcie_write(rockchip, status, - ROCKCHIP_PCIE_EP_FUNC_BASE(fn) + - ROCKCHIP_PCIE_EP_CMD_STATUS); - } - - offset = - ROCKCHIP_PCIE_MSG_ROUTING(ROCKCHIP_PCIE_MSG_ROUTING_LOCAL_INTX) | - ROCKCHIP_PCIE_MSG_CODE(msg_code) | ROCKCHIP_PCIE_MSG_NO_DATA; - writel(0, ep->irq_cpu_addr + offset); } static int rockchip_pcie_ep_send_legacy_irq(struct rockchip_pcie_ep *ep, u8 fn, @@ -415,7 +394,7 @@ static int rockchip_pcie_ep_send_msi_irq(struct rockchip_pcie_ep *ep, u8 fn, u8 interrupt_num) { struct rockchip_pcie *rockchip = &ep->rockchip; - u16 flags, mme, data, data_mask; + u32 flags, mme, data, data_mask; u8 msi_count; u64 pci_addr, pci_addr_mask = 0xff; @@ -505,6 +484,7 @@ static const struct pci_epc_features rockchip_pcie_epc_features = { .linkup_notifier = false, .msi_capable = true, .msix_capable = false, + .align = 256, }; static const struct pci_epc_features* @@ -630,6 +610,9 @@ static int rockchip_pcie_ep_probe(struct platform_device *pdev) ep->irq_pci_addr = ROCKCHIP_PCIE_EP_DUMMY_IRQ_ADDR; + rockchip_pcie_write(rockchip, PCIE_CLIENT_CONF_ENABLE, + PCIE_CLIENT_CONFIG); + return 0; err_epc_mem_exit: pci_epc_mem_exit(epc); diff --git a/drivers/pci/controller/pcie-rockchip.c b/drivers/pci/controller/pcie-rockchip.c index c53d1322a3d6..b047437605cb 100644 --- a/drivers/pci/controller/pcie-rockchip.c +++ b/drivers/pci/controller/pcie-rockchip.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -154,6 +155,12 @@ int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip) } EXPORT_SYMBOL_GPL(rockchip_pcie_parse_dt); +#define rockchip_pcie_read_addr(addr) rockchip_pcie_read(rockchip, addr) +/* 100 ms max wait time for PHY PLLs to lock */ +#define RK_PHY_PLL_LOCK_TIMEOUT_US 100000 +/* Sleep should be less than 20ms */ +#define RK_PHY_PLL_LOCK_SLEEP_US 1000 + int rockchip_pcie_init_port(struct rockchip_pcie *rockchip) { struct device *dev = rockchip->dev; @@ -255,6 +262,16 @@ int rockchip_pcie_init_port(struct rockchip_pcie *rockchip) } } + err = readx_poll_timeout(rockchip_pcie_read_addr, + PCIE_CLIENT_SIDE_BAND_STATUS, + regs, !(regs & PCIE_CLIENT_PHY_ST), + RK_PHY_PLL_LOCK_SLEEP_US, + RK_PHY_PLL_LOCK_TIMEOUT_US); + if (err) { + dev_err(dev, "PHY PLLs could not lock, %d\n", err); + goto err_power_off_phy; + } + /* * Please don't reorder the deassert sequence of the following * four reset pins. diff --git a/drivers/pci/controller/pcie-rockchip.h b/drivers/pci/controller/pcie-rockchip.h index 8e87a059ce73..1c45b3c32151 100644 --- a/drivers/pci/controller/pcie-rockchip.h +++ b/drivers/pci/controller/pcie-rockchip.h @@ -37,6 +37,13 @@ #define PCIE_CLIENT_MODE_EP HIWORD_UPDATE(0x0040, 0) #define PCIE_CLIENT_GEN_SEL_1 HIWORD_UPDATE(0x0080, 0) #define PCIE_CLIENT_GEN_SEL_2 HIWORD_UPDATE_BIT(0x0080) +#define PCIE_CLIENT_LEGACY_INT_CTRL (PCIE_CLIENT_BASE + 0x0c) +#define PCIE_CLIENT_INT_IN_ASSERT HIWORD_UPDATE_BIT(0x0002) +#define PCIE_CLIENT_INT_IN_DEASSERT HIWORD_UPDATE(0x0002, 0) +#define PCIE_CLIENT_INT_PEND_ST_PEND HIWORD_UPDATE_BIT(0x0001) +#define PCIE_CLIENT_INT_PEND_ST_NORMAL HIWORD_UPDATE(0x0001, 0) +#define PCIE_CLIENT_SIDE_BAND_STATUS (PCIE_CLIENT_BASE + 0x20) +#define PCIE_CLIENT_PHY_ST BIT(12) #define PCIE_CLIENT_DEBUG_OUT_0 (PCIE_CLIENT_BASE + 0x3c) #define PCIE_CLIENT_DEBUG_LTSSM_MASK GENMASK(5, 0) #define PCIE_CLIENT_DEBUG_LTSSM_L1 0x18 @@ -132,6 +139,8 @@ #define PCIE_RC_RP_ATS_BASE 0x400000 #define PCIE_RC_CONFIG_NORMAL_BASE 0x800000 #define PCIE_RC_CONFIG_BASE 0xa00000 +#define PCIE_EP_CONFIG_BASE 0xa00000 +#define PCIE_EP_CONFIG_DID_VID (PCIE_EP_CONFIG_BASE + 0x00) #define PCIE_RC_CONFIG_RID_CCR (PCIE_RC_CONFIG_BASE + 0x08) #define PCIE_RC_CONFIG_SCC_SHIFT 16 #define PCIE_RC_CONFIG_DCR (PCIE_RC_CONFIG_BASE + 0xc4) @@ -223,6 +232,7 @@ #define ROCKCHIP_PCIE_EP_CMD_STATUS 0x4 #define ROCKCHIP_PCIE_EP_CMD_STATUS_IS BIT(19) #define ROCKCHIP_PCIE_EP_MSI_CTRL_REG 0x90 +#define ROCKCHIP_PCIE_EP_MSI_FLAGS_OFFSET 16 #define ROCKCHIP_PCIE_EP_MSI_CTRL_MMC_OFFSET 17 #define ROCKCHIP_PCIE_EP_MSI_CTRL_MMC_MASK GENMASK(19, 17) #define ROCKCHIP_PCIE_EP_MSI_CTRL_MME_OFFSET 20 @@ -230,7 +240,6 @@ #define ROCKCHIP_PCIE_EP_MSI_CTRL_ME BIT(16) #define ROCKCHIP_PCIE_EP_MSI_CTRL_MASK_MSI_CAP BIT(24) #define ROCKCHIP_PCIE_EP_DUMMY_IRQ_ADDR 0x1 -#define ROCKCHIP_PCIE_EP_PCI_LEGACY_IRQ_ADDR 0x3 #define ROCKCHIP_PCIE_EP_FUNC_BASE(fn) (((fn) << 12) & GENMASK(19, 12)) #define ROCKCHIP_PCIE_AT_IB_EP_FUNC_BAR_ADDR0(fn, bar) \ (PCIE_RC_RP_ATS_BASE + 0x0840 + (fn) * 0x0040 + (bar) * 0x0008) diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index aa61d4c219d7..79a713f5dbf4 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -72,6 +72,8 @@ extern int pciehp_poll_time; * @reset_lock: prevents access to the Data Link Layer Link Active bit in the * Link Status register and to the Presence Detect State bit in the Slot * Status register during a slot reset which may cause them to flap + * @depth: Number of additional hotplug ports in the path to the root bus, + * used as lock subclass for @reset_lock * @ist_running: flag to keep user request waiting while IRQ thread is running * @request_result: result of last user request submitted to the IRQ thread * @requester: wait queue to wake up on completion of user request, @@ -102,6 +104,7 @@ struct controller { struct hotplug_slot hotplug_slot; /* hotplug core interface */ struct rw_semaphore reset_lock; + unsigned int depth; unsigned int ist_running; int request_result; wait_queue_head_t requester; diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 312cc45c44c7..f5255045b149 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -165,7 +165,7 @@ static void pciehp_check_presence(struct controller *ctrl) { int occupied; - down_read(&ctrl->reset_lock); + down_read_nested(&ctrl->reset_lock, ctrl->depth); mutex_lock(&ctrl->state_lock); occupied = pciehp_card_present_or_link_active(ctrl); diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 6503d15effbb..45d0f6370715 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -258,6 +258,14 @@ void pciehp_handle_presence_or_link_change(struct controller *ctrl, u32 events) present = pciehp_card_present(ctrl); link_active = pciehp_check_link_active(ctrl); if (present <= 0 && link_active <= 0) { + if (ctrl->state == BLINKINGON_STATE) { + ctrl->state = OFF_STATE; + cancel_delayed_work(&ctrl->button_work); + pciehp_set_indicators(ctrl, PCI_EXP_SLTCTL_PWR_IND_OFF, + INDICATOR_NOOP); + ctrl_info(ctrl, "Slot(%s): Card not present\n", + slot_name(ctrl)); + } mutex_unlock(&ctrl->state_lock); return; } diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 13f3bc239c66..651664fe4058 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -674,7 +674,7 @@ static irqreturn_t pciehp_ist(int irq, void *dev_id) * Disable requests have higher priority than Presence Detect Changed * or Data Link Layer State Changed events. */ - down_read(&ctrl->reset_lock); + down_read_nested(&ctrl->reset_lock, ctrl->depth); if (events & DISABLE_SLOT) pciehp_handle_disable_request(ctrl); else if (events & (PCI_EXP_SLTSTA_PDC | PCI_EXP_SLTSTA_DLLSC)) @@ -808,7 +808,7 @@ int pciehp_reset_slot(struct hotplug_slot *hotplug_slot, int probe) if (probe) return 0; - down_write(&ctrl->reset_lock); + down_write_nested(&ctrl->reset_lock, ctrl->depth); if (!ATTN_BUTTN(ctrl)) { ctrl_mask |= PCI_EXP_SLTCTL_PDCE; @@ -864,6 +864,20 @@ static inline void dbg_ctrl(struct controller *ctrl) #define FLAG(x, y) (((x) & (y)) ? '+' : '-') +static inline int pcie_hotplug_depth(struct pci_dev *dev) +{ + struct pci_bus *bus = dev->bus; + int depth = 0; + + while (bus->parent) { + bus = bus->parent; + if (bus->self && bus->self->is_hotplug_bridge) + depth++; + } + + return depth; +} + struct controller *pcie_init(struct pcie_device *dev) { struct controller *ctrl; @@ -877,6 +891,7 @@ struct controller *pcie_init(struct pcie_device *dev) return NULL; ctrl->pcie = dev; + ctrl->depth = pcie_hotplug_depth(dev->port); pcie_capability_read_dword(pdev, PCI_EXP_SLTCAP, &slot_cap); if (pdev->hotplug_user_indicators) diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c index d17f3bf36f70..ad12515a4a12 100644 --- a/drivers/pci/hotplug/pciehp_pci.c +++ b/drivers/pci/hotplug/pciehp_pci.c @@ -63,7 +63,14 @@ int pciehp_configure_device(struct controller *ctrl) pci_assign_unassigned_bridge_resources(bridge); pcie_bus_configure_settings(parent); + + /* + * Release reset_lock during driver binding + * to avoid AB-BA deadlock with device_lock. + */ + up_read(&ctrl->reset_lock); pci_bus_add_devices(parent); + down_read_nested(&ctrl->reset_lock, ctrl->depth); out: pci_unlock_rescan_remove(); @@ -104,7 +111,15 @@ void pciehp_unconfigure_device(struct controller *ctrl, bool presence) list_for_each_entry_safe_reverse(dev, temp, &parent->devices, bus_list) { pci_dev_get(dev); + + /* + * Release reset_lock during driver unbinding + * to avoid AB-BA deadlock with device_lock. + */ + up_read(&ctrl->reset_lock); pci_stop_and_remove_bus_device(dev); + down_read_nested(&ctrl->reset_lock, ctrl->depth); + /* * Ensure that no new Requests will be generated from * the device. diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index d1f1c9fbc057..22e8c86aed15 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2627,13 +2627,13 @@ static const struct dmi_system_id bridge_d3_blacklist[] = { { /* * Downstream device is not accessible after putting a root port - * into D3cold and back into D0 on Elo i2. + * into D3cold and back into D0 on Elo Continental Z2 board */ - .ident = "Elo i2", + .ident = "Elo Continental Z2", .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Elo Touch Solutions"), - DMI_MATCH(DMI_PRODUCT_NAME, "Elo i2"), - DMI_MATCH(DMI_PRODUCT_VERSION, "RevB"), + DMI_MATCH(DMI_BOARD_VENDOR, "Elo Touch Solutions"), + DMI_MATCH(DMI_BOARD_NAME, "Geminilake"), + DMI_MATCH(DMI_BOARD_VERSION, "Continental Z2"), }, }, #endif diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index 271aecfbc3bf..aec1748cc821 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -1212,7 +1212,7 @@ static irqreturn_t aer_isr(int irq, void *context) { struct pcie_device *dev = (struct pcie_device *)context; struct aer_rpc *rpc = get_service_data(dev); - struct aer_err_source uninitialized_var(e_src); + struct aer_err_source e_src; if (kfifo_is_empty(&rpc->aer_fifo)) return IRQ_NONE; diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index e4b391b94140..1fe0a9f4fbbd 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -200,12 +200,39 @@ static void pcie_clkpm_cap_init(struct pcie_link_state *link, int blacklist) link->clkpm_disable = blacklist ? 1 : 0; } -static bool pcie_retrain_link(struct pcie_link_state *link) +static int pcie_wait_for_retrain(struct pci_dev *pdev) { - struct pci_dev *parent = link->pdev; unsigned long end_jiffies; u16 reg16; + /* Wait for Link Training to be cleared by hardware */ + end_jiffies = jiffies + LINK_RETRAIN_TIMEOUT; + do { + pcie_capability_read_word(pdev, PCI_EXP_LNKSTA, ®16); + if (!(reg16 & PCI_EXP_LNKSTA_LT)) + return 0; + msleep(1); + } while (time_before(jiffies, end_jiffies)); + + return -ETIMEDOUT; +} + +static int pcie_retrain_link(struct pcie_link_state *link) +{ + struct pci_dev *parent = link->pdev; + int rc; + u16 reg16; + + /* + * Ensure the updated LNKCTL parameters are used during link + * training by checking that there is no ongoing link training to + * avoid LTSSM race as recommended in Implementation Note at the + * end of PCIe r6.0.1 sec 7.5.3.7. + */ + rc = pcie_wait_for_retrain(parent); + if (rc) + return rc; + pcie_capability_read_word(parent, PCI_EXP_LNKCTL, ®16); reg16 |= PCI_EXP_LNKCTL_RL; pcie_capability_write_word(parent, PCI_EXP_LNKCTL, reg16); @@ -219,15 +246,7 @@ static bool pcie_retrain_link(struct pcie_link_state *link) pcie_capability_write_word(parent, PCI_EXP_LNKCTL, reg16); } - /* Wait for link training end. Break out after waiting for timeout */ - end_jiffies = jiffies + LINK_RETRAIN_TIMEOUT; - do { - pcie_capability_read_word(parent, PCI_EXP_LNKSTA, ®16); - if (!(reg16 & PCI_EXP_LNKSTA_LT)) - break; - msleep(1); - } while (time_before(jiffies, end_jiffies)); - return !(reg16 & PCI_EXP_LNKSTA_LT); + return pcie_wait_for_retrain(parent); } /* @@ -296,15 +315,15 @@ static void pcie_aspm_configure_common_clock(struct pcie_link_state *link) reg16 &= ~PCI_EXP_LNKCTL_CCC; pcie_capability_write_word(parent, PCI_EXP_LNKCTL, reg16); - if (pcie_retrain_link(link)) - return; + if (pcie_retrain_link(link)) { - /* Training failed. Restore common clock configurations */ - pci_err(parent, "ASPM: Could not configure common clock\n"); - list_for_each_entry(child, &linkbus->devices, bus_list) - pcie_capability_write_word(child, PCI_EXP_LNKCTL, + /* Training failed. Restore common clock configurations */ + pci_err(parent, "ASPM: Could not configure common clock\n"); + list_for_each_entry(child, &linkbus->devices, bus_list) + pcie_capability_write_word(child, PCI_EXP_LNKCTL, child_reg[PCI_FUNC(child->devfn)]); - pcie_capability_write_word(parent, PCI_EXP_LNKCTL, parent_reg); + pcie_capability_write_word(parent, PCI_EXP_LNKCTL, parent_reg); + } } /* Convert L0s latency encoding to ns */ @@ -1034,21 +1053,24 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev) down_read(&pci_bus_sem); mutex_lock(&aspm_lock); - /* - * All PCIe functions are in one slot, remove one function will remove - * the whole slot, so just wait until we are the last function left. - */ - if (!list_empty(&parent->subordinate->devices)) - goto out; link = parent->link_state; root = link->root; parent_link = link->parent; - /* All functions are removed, so just disable ASPM for the link */ + /* + * link->downstream is a pointer to the pci_dev of function 0. If + * we remove that function, the pci_dev is about to be deallocated, + * so we can't use link->downstream again. Free the link state to + * avoid this. + * + * If we're removing a non-0 function, it's possible we could + * retain the link state, but PCIe r6.0, sec 7.5.3.7, recommends + * programming the same ASPM Control value for all functions of + * multi-function devices, so disable ASPM for all of them. + */ pcie_config_aspm_link(link, 0); list_del(&link->sibling); - /* Clock PM is for endpoint device */ free_link_state(link); /* Recheck latencies and configure upstream links */ @@ -1056,7 +1078,7 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev) pcie_update_aspm_capable(root); pcie_config_aspm_path(parent_link); } -out: + mutex_unlock(&aspm_lock); up_read(&pci_bus_sem); } diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e3ce85f8d9f0..c57913ed0e67 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4183,6 +4183,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9220, /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c49 */ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9230, quirk_dma_func1_alias); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9235, + quirk_dma_func1_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0642, quirk_dma_func1_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0645, diff --git a/drivers/phy/hisilicon/phy-hisi-inno-usb2.c b/drivers/phy/hisilicon/phy-hisi-inno-usb2.c index 9b16f13b5ab2..96162b9a2e53 100644 --- a/drivers/phy/hisilicon/phy-hisi-inno-usb2.c +++ b/drivers/phy/hisilicon/phy-hisi-inno-usb2.c @@ -155,7 +155,7 @@ static int hisi_inno_phy_probe(struct platform_device *pdev) phy_set_drvdata(phy, &priv->ports[i]); i++; - if (i > INNO_PHY_PORT_NUM) { + if (i >= INNO_PHY_PORT_NUM) { dev_warn(dev, "Support %d ports in maximum\n", i); break; } diff --git a/drivers/phy/st/phy-miphy28lp.c b/drivers/phy/st/phy-miphy28lp.c index 068160a34f5c..e30305b77f0d 100644 --- a/drivers/phy/st/phy-miphy28lp.c +++ b/drivers/phy/st/phy-miphy28lp.c @@ -9,6 +9,7 @@ #include #include +#include #include #include #include @@ -484,19 +485,11 @@ static inline void miphy28lp_pcie_config_gen(struct miphy28lp_phy *miphy_phy) static inline int miphy28lp_wait_compensation(struct miphy28lp_phy *miphy_phy) { - unsigned long finish = jiffies + 5 * HZ; u8 val; /* Waiting for Compensation to complete */ - do { - val = readb_relaxed(miphy_phy->base + MIPHY_COMP_FSM_6); - - if (time_after_eq(jiffies, finish)) - return -EBUSY; - cpu_relax(); - } while (!(val & COMP_DONE)); - - return 0; + return readb_relaxed_poll_timeout(miphy_phy->base + MIPHY_COMP_FSM_6, + val, val & COMP_DONE, 1, 5 * USEC_PER_SEC); } @@ -805,7 +798,6 @@ static inline void miphy28lp_configure_usb3(struct miphy28lp_phy *miphy_phy) static inline int miphy_is_ready(struct miphy28lp_phy *miphy_phy) { - unsigned long finish = jiffies + 5 * HZ; u8 mask = HFC_PLL | HFC_RDY; u8 val; @@ -816,21 +808,14 @@ static inline int miphy_is_ready(struct miphy28lp_phy *miphy_phy) if (miphy_phy->type == PHY_TYPE_SATA) mask |= PHY_RDY; - do { - val = readb_relaxed(miphy_phy->base + MIPHY_STATUS_1); - if ((val & mask) != mask) - cpu_relax(); - else - return 0; - } while (!time_after_eq(jiffies, finish)); - - return -EBUSY; + return readb_relaxed_poll_timeout(miphy_phy->base + MIPHY_STATUS_1, + val, (val & mask) == mask, 1, + 5 * USEC_PER_SEC); } static int miphy_osc_is_ready(struct miphy28lp_phy *miphy_phy) { struct miphy28lp_dev *miphy_dev = miphy_phy->phydev; - unsigned long finish = jiffies + 5 * HZ; u32 val; if (!miphy_phy->osc_rdy) @@ -839,17 +824,10 @@ static int miphy_osc_is_ready(struct miphy28lp_phy *miphy_phy) if (!miphy_phy->syscfg_reg[SYSCFG_STATUS]) return -EINVAL; - do { - regmap_read(miphy_dev->regmap, - miphy_phy->syscfg_reg[SYSCFG_STATUS], &val); - - if ((val & MIPHY_OSC_RDY) != MIPHY_OSC_RDY) - cpu_relax(); - else - return 0; - } while (!time_after_eq(jiffies, finish)); - - return -EBUSY; + return regmap_read_poll_timeout(miphy_dev->regmap, + miphy_phy->syscfg_reg[SYSCFG_STATUS], + val, val & MIPHY_OSC_RDY, 1, + 5 * USEC_PER_SEC); } static int miphy28lp_get_resource_byname(struct device_node *child, diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c index bf5d80b97597..efe7abf459fd 100644 --- a/drivers/phy/tegra/xusb.c +++ b/drivers/phy/tegra/xusb.c @@ -606,6 +606,7 @@ static int tegra_xusb_add_usb2_port(struct tegra_xusb_padctl *padctl, usb2->base.lane = usb2->base.ops->map(&usb2->base); if (IS_ERR(usb2->base.lane)) { err = PTR_ERR(usb2->base.lane); + tegra_xusb_port_unregister(&usb2->base); goto out; } @@ -658,6 +659,7 @@ static int tegra_xusb_add_ulpi_port(struct tegra_xusb_padctl *padctl, ulpi->base.lane = ulpi->base.ops->map(&ulpi->base); if (IS_ERR(ulpi->base.lane)) { err = PTR_ERR(ulpi->base.lane); + tegra_xusb_port_unregister(&ulpi->base); goto out; } diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 8f06445a8e39..2b48901f1b2a 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1021,11 +1021,6 @@ static int chv_config_get(struct pinctrl_dev *pctldev, unsigned int pin, break; - case PIN_CONFIG_DRIVE_OPEN_DRAIN: - if (!(ctrl1 & CHV_PADCTRL1_ODEN)) - return -EINVAL; - break; - case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: { u32 cfg; @@ -1035,6 +1030,16 @@ static int chv_config_get(struct pinctrl_dev *pctldev, unsigned int pin, return -EINVAL; break; + + case PIN_CONFIG_DRIVE_PUSH_PULL: + if (ctrl1 & CHV_PADCTRL1_ODEN) + return -EINVAL; + break; + + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + if (!(ctrl1 & CHV_PADCTRL1_ODEN)) + return -EINVAL; + break; } default: diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg.c b/drivers/pinctrl/meson/pinctrl-meson-axg.c index ad502eda4afa..89ce65e5309f 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-axg.c +++ b/drivers/pinctrl/meson/pinctrl-meson-axg.c @@ -400,6 +400,7 @@ static struct meson_pmx_group meson_axg_periphs_groups[] = { GPIO_GROUP(GPIOA_15), GPIO_GROUP(GPIOA_16), GPIO_GROUP(GPIOA_17), + GPIO_GROUP(GPIOA_18), GPIO_GROUP(GPIOA_19), GPIO_GROUP(GPIOA_20), diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 887dc5770440..2415085eaded 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -123,6 +123,14 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, struct amd_gpio *gpio_dev = gpiochip_get_data(gc); raw_spin_lock_irqsave(&gpio_dev->lock, flags); + + /* Use special handling for Pin0 debounce */ + if (offset == 0) { + pin_reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG); + if (pin_reg & INTERNAL_GPIO0_DEBOUNCE) + debounce = 0; + } + pin_reg = readl(gpio_dev->base + offset * 4); if (debounce) { @@ -178,18 +186,6 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, return ret; } -static int amd_gpio_set_config(struct gpio_chip *gc, unsigned offset, - unsigned long config) -{ - u32 debounce; - - if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) - return -ENOTSUPP; - - debounce = pinconf_to_config_argument(config); - return amd_gpio_set_debounce(gc, offset, debounce); -} - #ifdef CONFIG_DEBUG_FS static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) { @@ -212,6 +208,7 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) char *output_value; char *output_enable; + seq_printf(s, "WAKE_INT_MASTER_REG: 0x%08x\n", readl(gpio_dev->base + WAKE_INT_MASTER_REG)); for (bank = 0; bank < gpio_dev->hwbank_num; bank++) { seq_printf(s, "GPIO bank%d\t", bank); @@ -673,7 +670,7 @@ static int amd_pinconf_get(struct pinctrl_dev *pctldev, } static int amd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, - unsigned long *configs, unsigned num_configs) + unsigned long *configs, unsigned int num_configs) { int i; u32 arg; @@ -763,6 +760,20 @@ static int amd_pinconf_group_set(struct pinctrl_dev *pctldev, return 0; } +static int amd_gpio_set_config(struct gpio_chip *gc, unsigned int pin, + unsigned long config) +{ + struct amd_gpio *gpio_dev = gpiochip_get_data(gc); + + if (pinconf_to_config_param(config) == PIN_CONFIG_INPUT_DEBOUNCE) { + u32 debounce = pinconf_to_config_argument(config); + + return amd_gpio_set_debounce(gc, pin, debounce); + } + + return amd_pinconf_set(gpio_dev->pctrl, pin, &config, 1); +} + static const struct pinconf_ops amd_pinconf_ops = { .pin_config_get = amd_pinconf_get, .pin_config_set = amd_pinconf_set, @@ -790,9 +801,9 @@ static void amd_gpio_irq_init(struct amd_gpio *gpio_dev) raw_spin_lock_irqsave(&gpio_dev->lock, flags); - pin_reg = readl(gpio_dev->base + i * 4); + pin_reg = readl(gpio_dev->base + pin * 4); pin_reg &= ~mask; - writel(pin_reg, gpio_dev->base + i * 4); + writel(pin_reg, gpio_dev->base + pin * 4); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); } diff --git a/drivers/pinctrl/pinctrl-amd.h b/drivers/pinctrl/pinctrl-amd.h index d4a192df5fab..55ff463bb996 100644 --- a/drivers/pinctrl/pinctrl-amd.h +++ b/drivers/pinctrl/pinctrl-amd.h @@ -17,6 +17,7 @@ #define AMD_GPIO_PINS_BANK3 32 #define WAKE_INT_MASTER_REG 0xfc +#define INTERNAL_GPIO0_DEBOUNCE (1 << 15) #define EOI_MASK (1 << 29) #define WAKE_INT_STATUS_REG0 0x2f8 diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c index 064b7c3c942a..9c225256e3f4 100644 --- a/drivers/pinctrl/pinctrl-at91-pio4.c +++ b/drivers/pinctrl/pinctrl-at91-pio4.c @@ -1013,6 +1013,8 @@ static int atmel_pinctrl_probe(struct platform_device *pdev) /* Pin naming convention: P(bank_name)(bank_pin_number). */ pin_desc[i].name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "P%c%d", bank + 'A', line); + if (!pin_desc[i].name) + return -ENOMEM; group->name = group_names[i] = pin_desc[i].name; group->pin = pin_desc[i].number; diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index 6424bdb33d2f..78d357de2f04 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -555,6 +555,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = { { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } }, { KE_IGNORE, 0x6E, }, /* Low Battery notification */ { KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */ + { KE_IGNORE, 0x7B, }, /* Charger connect/disconnect notification */ { KE_KEY, 0x7c, { KEY_MICMUTE } }, { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */ { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */ @@ -580,6 +581,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = { { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */ { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */ { KE_KEY, 0xB5, { KEY_CALC } }, + { KE_IGNORE, 0xC0, }, /* External display connect/disconnect notification */ { KE_KEY, 0xC4, { KEY_KBDILLUMUP } }, { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } }, { KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */ diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c index 3adcb0de0193..922ca87919bb 100644 --- a/drivers/platform/x86/hdaps.c +++ b/drivers/platform/x86/hdaps.c @@ -366,7 +366,7 @@ static ssize_t hdaps_variance_show(struct device *dev, static ssize_t hdaps_temp1_show(struct device *dev, struct device_attribute *attr, char *buf) { - u8 uninitialized_var(temp); + u8 temp; int ret; ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp); @@ -379,7 +379,7 @@ static ssize_t hdaps_temp1_show(struct device *dev, static ssize_t hdaps_temp2_show(struct device *dev, struct device_attribute *attr, char *buf) { - u8 uninitialized_var(temp); + u8 temp; int ret; ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp); diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c index 0e804b6c2d24..dfb4af759aa7 100644 --- a/drivers/platform/x86/msi-laptop.c +++ b/drivers/platform/x86/msi-laptop.c @@ -210,7 +210,7 @@ static ssize_t set_device_state(const char *buf, size_t count, u8 mask) return -EINVAL; if (quirks->ec_read_only) - return -EOPNOTSUPP; + return 0; /* read current device state */ result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata); @@ -841,15 +841,15 @@ static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str, static void msi_init_rfkill(struct work_struct *ignored) { if (rfk_wlan) { - rfkill_set_sw_state(rfk_wlan, !wlan_s); + msi_rfkill_set_state(rfk_wlan, !wlan_s); rfkill_wlan_set(NULL, !wlan_s); } if (rfk_bluetooth) { - rfkill_set_sw_state(rfk_bluetooth, !bluetooth_s); + msi_rfkill_set_state(rfk_bluetooth, !bluetooth_s); rfkill_bluetooth_set(NULL, !bluetooth_s); } if (rfk_threeg) { - rfkill_set_sw_state(rfk_threeg, !threeg_s); + msi_rfkill_set_state(rfk_threeg, !threeg_s); rfkill_threeg_set(NULL, !threeg_s); } } diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 61cb1a4a8257..0346bf751537 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -232,6 +232,22 @@ static const struct ts_dmi_data dexp_ursus_7w_data = { .properties = dexp_ursus_7w_props, }; +static const struct property_entry dexp_ursus_kx210i_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 5), + PROPERTY_ENTRY_U32("touchscreen-min-y", 2), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1720), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1137), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-dexp-ursus-kx210i.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data dexp_ursus_kx210i_data = { + .acpi_name = "MSSL1680:00", + .properties = dexp_ursus_kx210i_props, +}; + static const struct property_entry digma_citi_e200_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 1980), PROPERTY_ENTRY_U32("touchscreen-size-y", 1500), @@ -773,6 +789,14 @@ static const struct dmi_system_id touchscreen_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "7W"), }, }, + { + /* DEXP Ursus KX210i */ + .driver_data = (void *)&dexp_ursus_kx210i_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "INSYDE Corp."), + DMI_MATCH(DMI_PRODUCT_NAME, "S107I"), + }, + }, { /* Digma Citi E200 */ .driver_data = (void *)&digma_citi_e200_data, diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index cb029126a68c..67c4ec554ada 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -39,7 +39,7 @@ MODULE_LICENSE("GPL"); static LIST_HEAD(wmi_block_list); struct guid_block { - char guid[16]; + guid_t guid; union { char object_id[2]; struct { @@ -110,17 +110,17 @@ static struct platform_driver acpi_wmi_driver = { static bool find_guid(const char *guid_string, struct wmi_block **out) { - uuid_le guid_input; + guid_t guid_input; struct wmi_block *wblock; struct guid_block *block; - if (uuid_le_to_bin(guid_string, &guid_input)) + if (guid_parse(guid_string, &guid_input)) return false; list_for_each_entry(wblock, &wmi_block_list, list) { block = &wblock->gblock; - if (memcmp(block->guid, &guid_input, 16) == 0) { + if (guid_equal(&block->guid, &guid_input)) { if (out) *out = wblock; return true; @@ -129,11 +129,20 @@ static bool find_guid(const char *guid_string, struct wmi_block **out) return false; } +static bool guid_parse_and_compare(const char *string, const guid_t *guid) +{ + guid_t guid_input; + + if (guid_parse(string, &guid_input)) + return false; + + return guid_equal(&guid_input, guid); +} + static const void *find_guid_context(struct wmi_block *wblock, struct wmi_driver *wdriver) { const struct wmi_device_id *id; - uuid_le guid_input; if (wblock == NULL || wdriver == NULL) return NULL; @@ -142,9 +151,7 @@ static const void *find_guid_context(struct wmi_block *wblock, id = wdriver->id_table; while (*id->guid_string) { - if (uuid_le_to_bin(id->guid_string, &guid_input)) - continue; - if (!memcmp(wblock->gblock.guid, &guid_input, 16)) + if (guid_parse_and_compare(id->guid_string, &wblock->gblock.guid)) return id->context; id++; } @@ -456,7 +463,7 @@ EXPORT_SYMBOL_GPL(wmi_set_block); static void wmi_dump_wdg(const struct guid_block *g) { - pr_info("%pUL:\n", g->guid); + pr_info("%pUL:\n", &g->guid); if (g->flags & ACPI_WMI_EVENT) pr_info("\tnotify_id: 0x%02X\n", g->notify_id); else @@ -526,18 +533,18 @@ wmi_notify_handler handler, void *data) { struct wmi_block *block; acpi_status status = AE_NOT_EXIST; - uuid_le guid_input; + guid_t guid_input; if (!guid || !handler) return AE_BAD_PARAMETER; - if (uuid_le_to_bin(guid, &guid_input)) + if (guid_parse(guid, &guid_input)) return AE_BAD_PARAMETER; list_for_each_entry(block, &wmi_block_list, list) { acpi_status wmi_status; - if (memcmp(block->gblock.guid, &guid_input, 16) == 0) { + if (guid_equal(&block->gblock.guid, &guid_input)) { if (block->handler && block->handler != wmi_notify_debug) return AE_ALREADY_ACQUIRED; @@ -565,18 +572,18 @@ acpi_status wmi_remove_notify_handler(const char *guid) { struct wmi_block *block; acpi_status status = AE_NOT_EXIST; - uuid_le guid_input; + guid_t guid_input; if (!guid) return AE_BAD_PARAMETER; - if (uuid_le_to_bin(guid, &guid_input)) + if (guid_parse(guid, &guid_input)) return AE_BAD_PARAMETER; list_for_each_entry(block, &wmi_block_list, list) { acpi_status wmi_status; - if (memcmp(block->gblock.guid, &guid_input, 16) == 0) { + if (guid_equal(&block->gblock.guid, &guid_input)) { if (!block->handler || block->handler == wmi_notify_debug) return AE_NULL_ENTRY; @@ -612,7 +619,6 @@ acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out) { struct acpi_object_list input; union acpi_object params[1]; - struct guid_block *gblock; struct wmi_block *wblock; input.count = 1; @@ -621,7 +627,7 @@ acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out) params[0].integer.value = event; list_for_each_entry(wblock, &wmi_block_list, list) { - gblock = &wblock->gblock; + struct guid_block *gblock = &wblock->gblock; if ((gblock->flags & ACPI_WMI_EVENT) && (gblock->notify_id == event)) @@ -682,7 +688,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, { struct wmi_block *wblock = dev_to_wblock(dev); - return sprintf(buf, "wmi:%pUL\n", wblock->gblock.guid); + return sprintf(buf, "wmi:%pUL\n", &wblock->gblock.guid); } static DEVICE_ATTR_RO(modalias); @@ -691,7 +697,7 @@ static ssize_t guid_show(struct device *dev, struct device_attribute *attr, { struct wmi_block *wblock = dev_to_wblock(dev); - return sprintf(buf, "%pUL\n", wblock->gblock.guid); + return sprintf(buf, "%pUL\n", &wblock->gblock.guid); } static DEVICE_ATTR_RO(guid); @@ -774,10 +780,10 @@ static int wmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env) { struct wmi_block *wblock = dev_to_wblock(dev); - if (add_uevent_var(env, "MODALIAS=wmi:%pUL", wblock->gblock.guid)) + if (add_uevent_var(env, "MODALIAS=wmi:%pUL", &wblock->gblock.guid)) return -ENOMEM; - if (add_uevent_var(env, "WMI_GUID=%pUL", wblock->gblock.guid)) + if (add_uevent_var(env, "WMI_GUID=%pUL", &wblock->gblock.guid)) return -ENOMEM; return 0; @@ -801,11 +807,7 @@ static int wmi_dev_match(struct device *dev, struct device_driver *driver) return 0; while (*id->guid_string) { - uuid_le driver_guid; - - if (WARN_ON(uuid_le_to_bin(id->guid_string, &driver_guid))) - continue; - if (!memcmp(&driver_guid, wblock->gblock.guid, 16)) + if (guid_parse_and_compare(id->guid_string, &wblock->gblock.guid)) return 1; id++; @@ -1039,7 +1041,6 @@ static const struct device_type wmi_type_data = { }; static int wmi_create_device(struct device *wmi_bus_dev, - const struct guid_block *gblock, struct wmi_block *wblock, struct acpi_device *device) { @@ -1047,12 +1048,12 @@ static int wmi_create_device(struct device *wmi_bus_dev, char method[5]; int result; - if (gblock->flags & ACPI_WMI_EVENT) { + if (wblock->gblock.flags & ACPI_WMI_EVENT) { wblock->dev.dev.type = &wmi_type_event; goto out_init; } - if (gblock->flags & ACPI_WMI_METHOD) { + if (wblock->gblock.flags & ACPI_WMI_METHOD) { wblock->dev.dev.type = &wmi_type_method; mutex_init(&wblock->char_mutex); goto out_init; @@ -1102,7 +1103,7 @@ static int wmi_create_device(struct device *wmi_bus_dev, wblock->dev.dev.bus = &wmi_bus_type; wblock->dev.dev.parent = wmi_bus_dev; - dev_set_name(&wblock->dev.dev, "%pUL", gblock->guid); + dev_set_name(&wblock->dev.dev, "%pUL", &wblock->gblock.guid); device_initialize(&wblock->dev.dev); @@ -1122,13 +1123,12 @@ static void wmi_free_devices(struct acpi_device *device) } } -static bool guid_already_parsed(struct acpi_device *device, - const u8 *guid) +static bool guid_already_parsed(struct acpi_device *device, const guid_t *guid) { struct wmi_block *wblock; list_for_each_entry(wblock, &wmi_block_list, list) { - if (memcmp(wblock->gblock.guid, guid, 16) == 0) { + if (guid_equal(&wblock->gblock.guid, guid)) { /* * Because we historically didn't track the relationship * between GUIDs and ACPI nodes, we don't know whether @@ -1183,7 +1183,7 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) * case yet, so for now, we'll just ignore the duplicate * for device creation. */ - if (guid_already_parsed(device, gblock[i].guid)) + if (guid_already_parsed(device, &gblock[i].guid)) continue; wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL); @@ -1195,7 +1195,7 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) wblock->acpi_device = device; wblock->gblock = gblock[i]; - retval = wmi_create_device(wmi_bus_dev, &gblock[i], wblock, device); + retval = wmi_create_device(wmi_bus_dev, wblock, device); if (retval) { kfree(wblock); continue; @@ -1220,7 +1220,7 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) retval = device_add(&wblock->dev.dev); if (retval) { dev_err(wmi_bus_dev, "failed to register %pUL\n", - wblock->gblock.guid); + &wblock->gblock.guid); if (debug_event) wmi_method_enable(wblock, 0); list_del(&wblock->list); @@ -1280,12 +1280,11 @@ acpi_wmi_ec_space_handler(u32 function, acpi_physical_address address, static void acpi_wmi_notify_handler(acpi_handle handle, u32 event, void *context) { - struct guid_block *block; struct wmi_block *wblock; bool found_it = false; list_for_each_entry(wblock, &wmi_block_list, list) { - block = &wblock->gblock; + struct guid_block *block = &wblock->gblock; if (wblock->acpi_device->handle == handle && (block->flags & ACPI_WMI_EVENT) && @@ -1333,10 +1332,8 @@ static void acpi_wmi_notify_handler(acpi_handle handle, u32 event, wblock->handler(event, wblock->handler_data); } - if (debug_event) { - pr_info("DEBUG Event GUID: %pUL\n", - wblock->gblock.guid); - } + if (debug_event) + pr_info("DEBUG Event GUID: %pUL\n", &wblock->gblock.guid); acpi_bus_generate_netlink_event( wblock->acpi_device->pnp.device_class, diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c index c8a22df65036..1f5cf4d7552b 100644 --- a/drivers/power/supply/ab8500_btemp.c +++ b/drivers/power/supply/ab8500_btemp.c @@ -919,10 +919,8 @@ static int ab8500_btemp_get_ext_psy_data(struct device *dev, void *data) */ static void ab8500_btemp_external_power_changed(struct power_supply *psy) { - struct ab8500_btemp *di = power_supply_get_drvdata(psy); - - class_for_each_device(power_supply_class, NULL, - di->btemp_psy, ab8500_btemp_get_ext_psy_data); + class_for_each_device(power_supply_class, NULL, psy, + ab8500_btemp_get_ext_psy_data); } /* ab8500 btemp driver interrupts and their respective isr */ diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index 4c229e6fb750..75df20b2fe0e 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -2380,10 +2380,8 @@ out: */ static void ab8500_fg_external_power_changed(struct power_supply *psy) { - struct ab8500_fg *di = power_supply_get_drvdata(psy); - - class_for_each_device(power_supply_class, NULL, - di->fg_psy, ab8500_fg_get_ext_psy_data); + class_for_each_device(power_supply_class, NULL, psy, + ab8500_fg_get_ext_psy_data); } /** diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index 64d87dccea82..f912284b2e55 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -1211,8 +1211,19 @@ static void bq24190_input_current_limit_work(struct work_struct *work) struct bq24190_dev_info *bdi = container_of(work, struct bq24190_dev_info, input_current_limit_work.work); + union power_supply_propval val; + int ret; - power_supply_set_input_current_limit_from_supplier(bdi->charger); + ret = power_supply_get_property_from_supplier(bdi->charger, + POWER_SUPPLY_PROP_CURRENT_MAX, + &val); + if (ret) + return; + + bq24190_charger_set_property(bdi->charger, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, + &val); + power_supply_changed(bdi->charger); } /* Sync the input-current-limit with our parent supply (if we have one) */ diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index b1a37aa38880..e6c4dfdc58c4 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -886,10 +886,8 @@ static int poll_interval_param_set(const char *val, const struct kernel_param *k return ret; mutex_lock(&bq27xxx_list_lock); - list_for_each_entry(di, &bq27xxx_battery_devices, list) { - cancel_delayed_work_sync(&di->work); - schedule_delayed_work(&di->work, 0); - } + list_for_each_entry(di, &bq27xxx_battery_devices, list) + mod_delayed_work(system_wq, &di->work, 0); mutex_unlock(&bq27xxx_list_lock); return ret; @@ -1547,7 +1545,7 @@ static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di) return POWER_SUPPLY_HEALTH_GOOD; } -void bq27xxx_battery_update(struct bq27xxx_device_info *di) +static void bq27xxx_battery_update_unlocked(struct bq27xxx_device_info *di) { struct bq27xxx_reg_cache cache = {0, }; bool has_ci_flag = di->opts & BQ27XXX_O_ZERO; @@ -1597,6 +1595,16 @@ void bq27xxx_battery_update(struct bq27xxx_device_info *di) di->cache = cache; di->last_update = jiffies; + + if (!di->removed && poll_interval > 0) + mod_delayed_work(system_wq, &di->work, poll_interval * HZ); +} + +void bq27xxx_battery_update(struct bq27xxx_device_info *di) +{ + mutex_lock(&di->lock); + bq27xxx_battery_update_unlocked(di); + mutex_unlock(&di->lock); } EXPORT_SYMBOL_GPL(bq27xxx_battery_update); @@ -1607,9 +1615,6 @@ static void bq27xxx_battery_poll(struct work_struct *work) work.work); bq27xxx_battery_update(di); - - if (poll_interval > 0) - schedule_delayed_work(&di->work, poll_interval * HZ); } /* @@ -1770,10 +1775,8 @@ static int bq27xxx_battery_get_property(struct power_supply *psy, struct bq27xxx_device_info *di = power_supply_get_drvdata(psy); mutex_lock(&di->lock); - if (time_is_before_jiffies(di->last_update + 5 * HZ)) { - cancel_delayed_work_sync(&di->work); - bq27xxx_battery_poll(&di->work.work); - } + if (time_is_before_jiffies(di->last_update + 5 * HZ)) + bq27xxx_battery_update_unlocked(di); mutex_unlock(&di->lock); if (psp != POWER_SUPPLY_PROP_PRESENT && di->cache.flags < 0) @@ -1857,8 +1860,8 @@ static void bq27xxx_external_power_changed(struct power_supply *psy) { struct bq27xxx_device_info *di = power_supply_get_drvdata(psy); - cancel_delayed_work_sync(&di->work); - schedule_delayed_work(&di->work, 0); + /* After charger plug in/out wait 0.5s for things to stabilize */ + mod_delayed_work(system_wq, &di->work, HZ / 2); } int bq27xxx_battery_setup(struct bq27xxx_device_info *di) @@ -1910,22 +1913,18 @@ EXPORT_SYMBOL_GPL(bq27xxx_battery_setup); void bq27xxx_battery_teardown(struct bq27xxx_device_info *di) { - /* - * power_supply_unregister call bq27xxx_battery_get_property which - * call bq27xxx_battery_poll. - * Make sure that bq27xxx_battery_poll will not call - * schedule_delayed_work again after unregister (which cause OOPS). - */ - poll_interval = 0; - - cancel_delayed_work_sync(&di->work); - - power_supply_unregister(di->bat); - mutex_lock(&bq27xxx_list_lock); list_del(&di->list); mutex_unlock(&bq27xxx_list_lock); + /* Set removed to avoid bq27xxx_battery_update() re-queuing the work */ + mutex_lock(&di->lock); + di->removed = true; + mutex_unlock(&di->lock); + + cancel_delayed_work_sync(&di->work); + + power_supply_unregister(di->bat); mutex_destroy(&di->lock); } EXPORT_SYMBOL_GPL(bq27xxx_battery_teardown); diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index 34229c1f43e3..01800cd97e3a 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -187,7 +187,7 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client, i2c_set_clientdata(client, di); if (client->irq) { - ret = devm_request_threaded_irq(&client->dev, client->irq, + ret = request_threaded_irq(client->irq, NULL, bq27xxx_battery_irq_handler_thread, IRQF_ONESHOT, di->name, di); @@ -217,6 +217,7 @@ static int bq27xxx_battery_i2c_remove(struct i2c_client *client) { struct bq27xxx_device_info *di = i2c_get_clientdata(client); + free_irq(client->irq, di); bq27xxx_battery_teardown(di); mutex_lock(&battery_mutex); diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c index 97b0e873e87d..c2d6378bb897 100644 --- a/drivers/power/supply/generic-adc-battery.c +++ b/drivers/power/supply/generic-adc-battery.c @@ -138,6 +138,9 @@ static int read_channel(struct gab *adc_bat, enum power_supply_property psp, result); if (ret < 0) pr_err("read channel error\n"); + else + *result *= 1000; + return ret; } diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index b6e4342a687d..97cd8a840c90 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -351,6 +351,10 @@ static int __power_supply_is_system_supplied(struct device *dev, void *data) struct power_supply *psy = dev_get_drvdata(dev); unsigned int *count = data; + if (!psy->desc->get_property(psy, POWER_SUPPLY_PROP_SCOPE, &ret)) + if (ret.intval == POWER_SUPPLY_SCOPE_DEVICE) + return 0; + (*count)++; if (psy->desc->type != POWER_SUPPLY_TYPE_BATTERY) if (!psy->desc->get_property(psy, POWER_SUPPLY_PROP_ONLINE, @@ -369,8 +373,8 @@ int power_supply_is_system_supplied(void) __power_supply_is_system_supplied); /* - * If no power class device was found at all, most probably we are - * running on a desktop system, so assume we are on mains power. + * If no system scope power class device was found at all, most probably we + * are running on a desktop system, so assume we are on mains power. */ if (count == 0) return 1; @@ -379,46 +383,49 @@ int power_supply_is_system_supplied(void) } EXPORT_SYMBOL_GPL(power_supply_is_system_supplied); -static int __power_supply_get_supplier_max_current(struct device *dev, - void *data) +struct psy_get_supplier_prop_data { + struct power_supply *psy; + enum power_supply_property psp; + union power_supply_propval *val; +}; + +static int __power_supply_get_supplier_property(struct device *dev, void *_data) { - union power_supply_propval ret = {0,}; struct power_supply *epsy = dev_get_drvdata(dev); - struct power_supply *psy = data; + struct psy_get_supplier_prop_data *data = _data; - if (__power_supply_is_supplied_by(epsy, psy)) - if (!epsy->desc->get_property(epsy, - POWER_SUPPLY_PROP_CURRENT_MAX, - &ret)) - return ret.intval; + if (__power_supply_is_supplied_by(epsy, data->psy)) + if (!epsy->desc->get_property(epsy, data->psp, data->val)) + return 1; /* Success */ - return 0; + return 0; /* Continue iterating */ } -int power_supply_set_input_current_limit_from_supplier(struct power_supply *psy) +int power_supply_get_property_from_supplier(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) { - union power_supply_propval val = {0,}; - int curr; - - if (!psy->desc->set_property) - return -EINVAL; + struct psy_get_supplier_prop_data data = { + .psy = psy, + .psp = psp, + .val = val, + }; + int ret; /* * This function is not intended for use with a supply with multiple - * suppliers, we simply pick the first supply to report a non 0 - * max-current. + * suppliers, we simply pick the first supply to report the psp. */ - curr = class_for_each_device(power_supply_class, NULL, psy, - __power_supply_get_supplier_max_current); - if (curr <= 0) - return (curr == 0) ? -ENODEV : curr; + ret = class_for_each_device(power_supply_class, NULL, &data, + __power_supply_get_supplier_property); + if (ret < 0) + return ret; + if (ret == 0) + return -ENODEV; - val.intval = curr; - - return psy->desc->set_property(psy, - POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, &val); + return 0; } -EXPORT_SYMBOL_GPL(power_supply_set_input_current_limit_from_supplier); +EXPORT_SYMBOL_GPL(power_supply_get_property_from_supplier); int power_supply_set_battery_charged(struct power_supply *psy) { diff --git a/drivers/power/supply/power_supply_leds.c b/drivers/power/supply/power_supply_leds.c index d69880cc3593..b7a2778f878d 100644 --- a/drivers/power/supply/power_supply_leds.c +++ b/drivers/power/supply/power_supply_leds.c @@ -34,8 +34,9 @@ static void power_supply_update_bat_leds(struct power_supply *psy) led_trigger_event(psy->charging_full_trig, LED_FULL); led_trigger_event(psy->charging_trig, LED_OFF); led_trigger_event(psy->full_trig, LED_FULL); - led_trigger_event(psy->charging_blink_full_solid_trig, - LED_FULL); + /* Going from blink to LED on requires a LED_OFF event to stop blink */ + led_trigger_event(psy->charging_blink_full_solid_trig, LED_OFF); + led_trigger_event(psy->charging_blink_full_solid_trig, LED_FULL); break; case POWER_SUPPLY_STATUS_CHARGING: led_trigger_event(psy->charging_full_trig, LED_FULL); diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index d6e88e8f5c4a..21d08dab6ee8 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -279,7 +279,8 @@ static ssize_t power_supply_show_property(struct device *dev, if (ret < 0) { if (ret == -ENODATA) - dev_dbg(dev, "driver has no data for `%s' property\n", + dev_dbg_ratelimited(dev, + "driver has no data for `%s' property\n", attr->attr.name); else if (ret != -ENODEV && ret != -EAGAIN) dev_err_ratelimited(dev, diff --git a/drivers/power/supply/sbs-charger.c b/drivers/power/supply/sbs-charger.c index fbfb6a620961..a30eb42e379a 100644 --- a/drivers/power/supply/sbs-charger.c +++ b/drivers/power/supply/sbs-charger.c @@ -25,7 +25,7 @@ #define SBS_CHARGER_REG_STATUS 0x13 #define SBS_CHARGER_REG_ALARM_WARNING 0x16 -#define SBS_CHARGER_STATUS_CHARGE_INHIBITED BIT(1) +#define SBS_CHARGER_STATUS_CHARGE_INHIBITED BIT(0) #define SBS_CHARGER_STATUS_RES_COLD BIT(9) #define SBS_CHARGER_STATUS_RES_HOT BIT(10) #define SBS_CHARGER_STATUS_BATTERY_PRESENT BIT(14) diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c index 839593dac0ca..0bff4fd25f0a 100644 --- a/drivers/power/supply/sc27xx_fuel_gauge.c +++ b/drivers/power/supply/sc27xx_fuel_gauge.c @@ -665,13 +665,6 @@ static int sc27xx_fgu_set_property(struct power_supply *psy, return ret; } -static void sc27xx_fgu_external_power_changed(struct power_supply *psy) -{ - struct sc27xx_fgu_data *data = power_supply_get_drvdata(psy); - - power_supply_changed(data->battery); -} - static int sc27xx_fgu_property_is_writeable(struct power_supply *psy, enum power_supply_property psp) { @@ -703,7 +696,7 @@ static const struct power_supply_desc sc27xx_fgu_desc = { .num_properties = ARRAY_SIZE(sc27xx_fgu_props), .get_property = sc27xx_fgu_get_property, .set_property = sc27xx_fgu_set_property, - .external_power_changed = sc27xx_fgu_external_power_changed, + .external_power_changed = power_supply_changed, .property_is_writeable = sc27xx_fgu_property_is_writeable, }; diff --git a/drivers/powercap/Kconfig b/drivers/powercap/Kconfig index dc1c1381d7fa..61fd5dfaf7a0 100644 --- a/drivers/powercap/Kconfig +++ b/drivers/powercap/Kconfig @@ -18,10 +18,12 @@ if POWERCAP # Client driver configurations go here. config INTEL_RAPL_CORE tristate + depends on PCI + select IOSF_MBI config INTEL_RAPL tristate "Intel RAPL Support via MSR Interface" - depends on X86 && IOSF_MBI + depends on X86 && PCI select INTEL_RAPL_CORE ---help--- This enables support for the Intel Running Average Power Limit (RAPL) diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c index d5487965bdfe..6091e462626a 100644 --- a/drivers/powercap/intel_rapl_msr.c +++ b/drivers/powercap/intel_rapl_msr.c @@ -22,7 +22,6 @@ #include #include -#include #include #include diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c index 53bf364396ef..31120b9efeed 100644 --- a/drivers/pwm/pwm-imx-tpm.c +++ b/drivers/pwm/pwm-imx-tpm.c @@ -405,6 +405,13 @@ static int __maybe_unused pwm_imx_tpm_suspend(struct device *dev) if (tpm->enable_count > 0) return -EBUSY; + /* + * Force 'real_period' to be zero to force period update code + * can be executed after system resume back, since suspend causes + * the period related registers to become their reset values. + */ + tpm->real_period = 0; + clk_disable_unprepare(tpm->clk); return 0; diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 3c81858a8261..768e6e691c7c 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -147,12 +147,13 @@ static int meson_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) return err; } - return pwm_set_chip_data(pwm, channel); + return 0; } static void meson_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) { - struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); + struct meson_pwm *meson = to_meson_pwm(chip); + struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; if (channel) clk_disable_unprepare(channel->clk); @@ -161,9 +162,10 @@ static void meson_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm, const struct pwm_state *state) { - struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); - unsigned int duty, period, pre_div, cnt, duty_cnt; - unsigned long fin_freq = -1; + struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; + unsigned int pre_div, cnt, duty_cnt; + unsigned long fin_freq; + u64 duty, period; duty = state->duty_cycle; period = state->period; @@ -185,19 +187,19 @@ static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm, dev_dbg(meson->chip.dev, "fin_freq: %lu Hz\n", fin_freq); - pre_div = div64_u64(fin_freq * (u64)period, NSEC_PER_SEC * 0xffffLL); + pre_div = div64_u64(fin_freq * period, NSEC_PER_SEC * 0xffffLL); if (pre_div > MISC_CLK_DIV_MASK) { dev_err(meson->chip.dev, "unable to get period pre_div\n"); return -EINVAL; } - cnt = div64_u64(fin_freq * (u64)period, NSEC_PER_SEC * (pre_div + 1)); + cnt = div64_u64(fin_freq * period, NSEC_PER_SEC * (pre_div + 1)); if (cnt > 0xffff) { dev_err(meson->chip.dev, "unable to get period cnt\n"); return -EINVAL; } - dev_dbg(meson->chip.dev, "period=%u pre_div=%u cnt=%u\n", period, + dev_dbg(meson->chip.dev, "period=%llu pre_div=%u cnt=%u\n", period, pre_div, cnt); if (duty == period) { @@ -210,14 +212,13 @@ static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm, channel->lo = cnt; } else { /* Then check is we can have the duty with the same pre_div */ - duty_cnt = div64_u64(fin_freq * (u64)duty, - NSEC_PER_SEC * (pre_div + 1)); + duty_cnt = div64_u64(fin_freq * duty, NSEC_PER_SEC * (pre_div + 1)); if (duty_cnt > 0xffff) { dev_err(meson->chip.dev, "unable to get duty cycle\n"); return -EINVAL; } - dev_dbg(meson->chip.dev, "duty=%u pre_div=%u duty_cnt=%u\n", + dev_dbg(meson->chip.dev, "duty=%llu pre_div=%u duty_cnt=%u\n", duty, pre_div, duty_cnt); channel->pre_div = pre_div; @@ -230,7 +231,7 @@ static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm, static void meson_pwm_enable(struct meson_pwm *meson, struct pwm_device *pwm) { - struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); + struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; struct meson_pwm_channel_data *channel_data; unsigned long flags; u32 value; @@ -273,8 +274,8 @@ static void meson_pwm_disable(struct meson_pwm *meson, struct pwm_device *pwm) static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { - struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); struct meson_pwm *meson = to_meson_pwm(chip); + struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; int err = 0; if (!state) @@ -424,7 +425,7 @@ static const struct meson_pwm_data pwm_axg_ee_data = { }; static const char * const pwm_axg_ao_parent_names[] = { - "aoclk81", "xtal", "fclk_div4", "fclk_div5" + "xtal", "axg_ao_clk81", "fclk_div4", "fclk_div5" }; static const struct meson_pwm_data pwm_axg_ao_data = { @@ -433,7 +434,7 @@ static const struct meson_pwm_data pwm_axg_ao_data = { }; static const char * const pwm_g12a_ao_ab_parent_names[] = { - "xtal", "aoclk81", "fclk_div4", "fclk_div5" + "xtal", "g12a_ao_clk81", "fclk_div4", "fclk_div5" }; static const struct meson_pwm_data pwm_g12a_ao_ab_data = { @@ -442,7 +443,7 @@ static const struct meson_pwm_data pwm_g12a_ao_ab_data = { }; static const char * const pwm_g12a_ao_cd_parent_names[] = { - "xtal", "aoclk81", + "xtal", "g12a_ao_clk81", }; static const struct meson_pwm_data pwm_g12a_ao_cd_data = { diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index 83b8be0209b7..327c780d433d 100644 --- a/drivers/pwm/pwm-mtk-disp.c +++ b/drivers/pwm/pwm-mtk-disp.c @@ -74,6 +74,19 @@ static int mtk_disp_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, u64 div, rate; int err; + err = clk_prepare_enable(mdp->clk_main); + if (err < 0) { + dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); + return err; + } + + err = clk_prepare_enable(mdp->clk_mm); + if (err < 0) { + dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); + clk_disable_unprepare(mdp->clk_main); + return err; + } + /* * Find period, high_width and clk_div to suit duty_ns and period_ns. * Calculate proper div value to keep period value in the bound. @@ -87,8 +100,11 @@ static int mtk_disp_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, rate = clk_get_rate(mdp->clk_main); clk_div = div_u64(rate * period_ns, NSEC_PER_SEC) >> PWM_PERIOD_BIT_WIDTH; - if (clk_div > PWM_CLKDIV_MAX) + if (clk_div > PWM_CLKDIV_MAX) { + clk_disable_unprepare(mdp->clk_mm); + clk_disable_unprepare(mdp->clk_main); return -EINVAL; + } div = NSEC_PER_SEC * (clk_div + 1); period = div64_u64(rate * period_ns, div); @@ -98,14 +114,17 @@ static int mtk_disp_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, high_width = div64_u64(rate * duty_ns, div); value = period | (high_width << PWM_HIGH_WIDTH_SHIFT); - err = clk_enable(mdp->clk_main); - if (err < 0) - return err; - - err = clk_enable(mdp->clk_mm); - if (err < 0) { - clk_disable(mdp->clk_main); - return err; + if (mdp->data->bls_debug && !mdp->data->has_commit) { + /* + * For MT2701, disable double buffer before writing register + * and select manual mode and use PWM_PERIOD/PWM_HIGH_WIDTH. + */ + mtk_disp_pwm_update_bits(mdp, mdp->data->bls_debug, + mdp->data->bls_debug_mask, + mdp->data->bls_debug_mask); + mtk_disp_pwm_update_bits(mdp, mdp->data->con0, + mdp->data->con0_sel, + mdp->data->con0_sel); } mtk_disp_pwm_update_bits(mdp, mdp->data->con0, @@ -124,8 +143,8 @@ static int mtk_disp_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, 0x0); } - clk_disable(mdp->clk_mm); - clk_disable(mdp->clk_main); + clk_disable_unprepare(mdp->clk_mm); + clk_disable_unprepare(mdp->clk_main); return 0; } @@ -135,13 +154,16 @@ static int mtk_disp_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) struct mtk_disp_pwm *mdp = to_mtk_disp_pwm(chip); int err; - err = clk_enable(mdp->clk_main); - if (err < 0) - return err; - - err = clk_enable(mdp->clk_mm); + err = clk_prepare_enable(mdp->clk_main); if (err < 0) { - clk_disable(mdp->clk_main); + dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); + return err; + } + + err = clk_prepare_enable(mdp->clk_mm); + if (err < 0) { + dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); + clk_disable_unprepare(mdp->clk_main); return err; } @@ -158,8 +180,8 @@ static void mtk_disp_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) mtk_disp_pwm_update_bits(mdp, DISP_PWM_EN, mdp->data->enable_mask, 0x0); - clk_disable(mdp->clk_mm); - clk_disable(mdp->clk_main); + clk_disable_unprepare(mdp->clk_mm); + clk_disable_unprepare(mdp->clk_main); } static const struct pwm_ops mtk_disp_pwm_ops = { @@ -194,14 +216,6 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev) if (IS_ERR(mdp->clk_mm)) return PTR_ERR(mdp->clk_mm); - ret = clk_prepare(mdp->clk_main); - if (ret < 0) - return ret; - - ret = clk_prepare(mdp->clk_mm); - if (ret < 0) - goto disable_clk_main; - mdp->chip.dev = &pdev->dev; mdp->chip.ops = &mtk_disp_pwm_ops; mdp->chip.base = -1; @@ -209,44 +223,22 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev) ret = pwmchip_add(&mdp->chip); if (ret < 0) { - dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); - goto disable_clk_mm; + dev_err(&pdev->dev, "pwmchip_add() failed: %pe\n", ERR_PTR(ret)); + return ret; } platform_set_drvdata(pdev, mdp); - /* - * For MT2701, disable double buffer before writing register - * and select manual mode and use PWM_PERIOD/PWM_HIGH_WIDTH. - */ - if (!mdp->data->has_commit) { - mtk_disp_pwm_update_bits(mdp, mdp->data->bls_debug, - mdp->data->bls_debug_mask, - mdp->data->bls_debug_mask); - mtk_disp_pwm_update_bits(mdp, mdp->data->con0, - mdp->data->con0_sel, - mdp->data->con0_sel); - } - return 0; - -disable_clk_mm: - clk_unprepare(mdp->clk_mm); -disable_clk_main: - clk_unprepare(mdp->clk_main); - return ret; } static int mtk_disp_pwm_remove(struct platform_device *pdev) { struct mtk_disp_pwm *mdp = platform_get_drvdata(pdev); - int ret; - ret = pwmchip_remove(&mdp->chip); - clk_unprepare(mdp->clk_mm); - clk_unprepare(mdp->clk_main); + pwmchip_remove(&mdp->chip); - return ret; + return 0; } static const struct mtk_pwm_data mt2701_pwm_data = { diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c index 417ecd7c1bb8..4b132c8625e1 100644 --- a/drivers/pwm/sysfs.c +++ b/drivers/pwm/sysfs.c @@ -449,6 +449,13 @@ static int pwm_class_resume_npwm(struct device *parent, unsigned int npwm) if (!export) continue; + /* If pwmchip was not enabled before suspend, do nothing. */ + if (!export->suspend.enabled) { + /* release lock taken in pwm_class_get_state */ + mutex_unlock(&export->lock); + continue; + } + state.enabled = export->suspend.enabled; ret = pwm_class_apply_state(export, pwm, &state); if (ret < 0) @@ -473,7 +480,17 @@ static int __maybe_unused pwm_class_suspend(struct device *parent) if (!export) continue; + /* + * If pwmchip was not enabled before suspend, save + * state for resume time and do nothing else. + */ export->suspend = state; + if (!state.enabled) { + /* release lock taken in pwm_class_get_state */ + mutex_unlock(&export->lock); + continue; + } + state.enabled = false; ret = pwm_class_apply_state(export, pwm, &state); if (ret < 0) { diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index d0890c98dc85..e6c03d23db47 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -222,6 +222,78 @@ void regulator_unlock(struct regulator_dev *rdev) } EXPORT_SYMBOL_GPL(regulator_unlock); +/** + * regulator_lock_two - lock two regulators + * @rdev1: first regulator + * @rdev2: second regulator + * @ww_ctx: w/w mutex acquire context + * + * Locks both rdevs using the regulator_ww_class. + */ +static void regulator_lock_two(struct regulator_dev *rdev1, + struct regulator_dev *rdev2, + struct ww_acquire_ctx *ww_ctx) +{ + struct regulator_dev *tmp; + int ret; + + ww_acquire_init(ww_ctx, ®ulator_ww_class); + + /* Try to just grab both of them */ + ret = regulator_lock_nested(rdev1, ww_ctx); + WARN_ON(ret); + ret = regulator_lock_nested(rdev2, ww_ctx); + if (ret != -EDEADLOCK) { + WARN_ON(ret); + goto exit; + } + + while (true) { + /* + * Start of loop: rdev1 was locked and rdev2 was contended. + * Need to unlock rdev1, slowly lock rdev2, then try rdev1 + * again. + */ + regulator_unlock(rdev1); + + ww_mutex_lock_slow(&rdev2->mutex, ww_ctx); + rdev2->ref_cnt++; + rdev2->mutex_owner = current; + ret = regulator_lock_nested(rdev1, ww_ctx); + + if (ret == -EDEADLOCK) { + /* More contention; swap which needs to be slow */ + tmp = rdev1; + rdev1 = rdev2; + rdev2 = tmp; + } else { + WARN_ON(ret); + break; + } + } + +exit: + ww_acquire_done(ww_ctx); +} + +/** + * regulator_unlock_two - unlock two regulators + * @rdev1: first regulator + * @rdev2: second regulator + * @ww_ctx: w/w mutex acquire context + * + * The inverse of regulator_lock_two(). + */ + +static void regulator_unlock_two(struct regulator_dev *rdev1, + struct regulator_dev *rdev2, + struct ww_acquire_ctx *ww_ctx) +{ + regulator_unlock(rdev2); + regulator_unlock(rdev1); + ww_acquire_fini(ww_ctx); +} + static bool regulator_supply_is_couple(struct regulator_dev *rdev) { struct regulator_dev *c_rdev; @@ -349,6 +421,7 @@ static void regulator_lock_dependent(struct regulator_dev *rdev, ww_mutex_lock_slow(&new_contended_rdev->mutex, ww_ctx); old_contended_rdev = new_contended_rdev; old_contended_rdev->ref_cnt++; + old_contended_rdev->mutex_owner = current; } err = regulator_lock_recursive(rdev, @@ -1440,8 +1513,8 @@ static int set_machine_constraints(struct regulator_dev *rdev) /** * set_supply - set regulator supply regulator - * @rdev: regulator name - * @supply_rdev: supply regulator name + * @rdev: regulator (locked) + * @supply_rdev: supply regulator (locked)) * * Called by platform initialisation code to set the supply regulator for this * regulator. This ensures that a regulators supply will also be enabled by the @@ -1613,6 +1686,8 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, struct regulator *regulator; int err = 0; + lockdep_assert_held_once(&rdev->mutex.base); + if (dev) { char buf[REG_STR_SIZE]; int size; @@ -1640,9 +1715,7 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, regulator->rdev = rdev; regulator->supply_name = supply_name; - regulator_lock(rdev); list_add(®ulator->list, &rdev->consumer_list); - regulator_unlock(rdev); if (dev) { regulator->dev = dev; @@ -1659,19 +1732,17 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, if (err != -EEXIST) regulator->debugfs = debugfs_create_dir(supply_name, rdev->debugfs); - if (!regulator->debugfs) { + if (IS_ERR(regulator->debugfs)) rdev_dbg(rdev, "Failed to create debugfs directory\n"); - } else { - debugfs_create_u32("uA_load", 0444, regulator->debugfs, - ®ulator->uA_load); - debugfs_create_u32("min_uV", 0444, regulator->debugfs, - ®ulator->voltage[PM_SUSPEND_ON].min_uV); - debugfs_create_u32("max_uV", 0444, regulator->debugfs, - ®ulator->voltage[PM_SUSPEND_ON].max_uV); - debugfs_create_file("constraint_flags", 0444, - regulator->debugfs, regulator, - &constraint_flags_fops); - } + + debugfs_create_u32("uA_load", 0444, regulator->debugfs, + ®ulator->uA_load); + debugfs_create_u32("min_uV", 0444, regulator->debugfs, + ®ulator->voltage[PM_SUSPEND_ON].min_uV); + debugfs_create_u32("max_uV", 0444, regulator->debugfs, + ®ulator->voltage[PM_SUSPEND_ON].max_uV); + debugfs_create_file("constraint_flags", 0444, regulator->debugfs, + regulator, &constraint_flags_fops); /* * Check now if the regulator is an always on regulator - if @@ -1808,6 +1879,7 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) { struct regulator_dev *r; struct device *dev = rdev->dev.parent; + struct ww_acquire_ctx ww_ctx; int ret = 0; /* No supply to resolve? */ @@ -1874,23 +1946,23 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) * between rdev->supply null check and setting rdev->supply in * set_supply() from concurrent tasks. */ - regulator_lock(rdev); + regulator_lock_two(rdev, r, &ww_ctx); /* Supply just resolved by a concurrent task? */ if (rdev->supply) { - regulator_unlock(rdev); + regulator_unlock_two(rdev, r, &ww_ctx); put_device(&r->dev); goto out; } ret = set_supply(rdev, r); if (ret < 0) { - regulator_unlock(rdev); + regulator_unlock_two(rdev, r, &ww_ctx); put_device(&r->dev); goto out; } - regulator_unlock(rdev); + regulator_unlock_two(rdev, r, &ww_ctx); /* * In set_machine_constraints() we may have turned this regulator on @@ -2006,7 +2078,9 @@ struct regulator *_regulator_get(struct device *dev, const char *id, return regulator; } + regulator_lock(rdev); regulator = create_regulator(rdev, dev, id); + regulator_unlock(rdev); if (regulator == NULL) { regulator = ERR_PTR(-ENOMEM); module_put(rdev->owner); @@ -5242,10 +5316,8 @@ static void rdev_init_debugfs(struct regulator_dev *rdev) } rdev->debugfs = debugfs_create_dir(rname, debugfs_root); - if (!rdev->debugfs) { - rdev_warn(rdev, "Failed to create debugfs directory\n"); - return; - } + if (IS_ERR(rdev->debugfs)) + rdev_dbg(rdev, "Failed to create debugfs directory\n"); debugfs_create_u32("use_count", 0444, rdev->debugfs, &rdev->use_count); @@ -6076,6 +6148,7 @@ static void regulator_summary_lock(struct ww_acquire_ctx *ww_ctx) ww_mutex_lock_slow(&new_contended_rdev->mutex, ww_ctx); old_contended_rdev = new_contended_rdev; old_contended_rdev->ref_cnt++; + old_contended_rdev->mutex_owner = current; } err = regulator_summary_lock_all(ww_ctx, @@ -6204,8 +6277,8 @@ static int __init regulator_init(void) ret = class_register(®ulator_class); debugfs_root = debugfs_create_dir("regulator", NULL); - if (!debugfs_root) - pr_warn("regulator: Failed to create debugfs directory\n"); + if (IS_ERR(debugfs_root)) + pr_debug("regulator: Failed to create debugfs directory\n"); #ifdef CONFIG_DEBUG_FS debugfs_create_file("supply_map", 0444, debugfs_root, NULL, diff --git a/drivers/regulator/stm32-pwr.c b/drivers/regulator/stm32-pwr.c index e0e627b0106e..b94da4992376 100644 --- a/drivers/regulator/stm32-pwr.c +++ b/drivers/regulator/stm32-pwr.c @@ -129,17 +129,16 @@ static const struct regulator_desc stm32_pwr_desc[] = { static int stm32_pwr_regulator_probe(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node; struct stm32_pwr_reg *priv; void __iomem *base; struct regulator_dev *rdev; struct regulator_config config = { }; int i, ret = 0; - base = of_iomap(np, 0); - if (!base) { + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) { dev_err(&pdev->dev, "Unable to map IO memory\n"); - return -ENOMEM; + return PTR_ERR(base); } config.dev = &pdev->dev; diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c index ee13d23b43a9..2ed8f96efe8e 100644 --- a/drivers/remoteproc/st_remoteproc.c +++ b/drivers/remoteproc/st_remoteproc.c @@ -129,6 +129,7 @@ static int st_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) while (of_phandle_iterator_next(&it) == 0) { rmem = of_reserved_mem_lookup(it.node); if (!rmem) { + of_node_put(it.node); dev_err(dev, "unable to acquire memory-region\n"); return -EINVAL; } @@ -150,8 +151,10 @@ static int st_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) it.node->name); } - if (!mem) + if (!mem) { + of_node_put(it.node); return -ENOMEM; + } rproc_add_carveout(rproc, mem); index++; diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index 2cf4b2992bfc..041dff62ddff 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -211,11 +211,13 @@ static int stm32_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) while (of_phandle_iterator_next(&it) == 0) { rmem = of_reserved_mem_lookup(it.node); if (!rmem) { + of_node_put(it.node); dev_err(dev, "unable to acquire memory-region\n"); return -EINVAL; } if (stm32_rproc_pa_to_da(rproc, rmem->base, &da) < 0) { + of_node_put(it.node); dev_err(dev, "memory region not valid %pa\n", &rmem->base); return -EINVAL; @@ -242,8 +244,10 @@ static int stm32_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) it.node->name); } - if (!mem) + if (!mem) { + of_node_put(it.node); return -ENOMEM; + } rproc_add_carveout(rproc, mem); index++; diff --git a/drivers/rtc/rtc-meson-vrtc.c b/drivers/rtc/rtc-meson-vrtc.c index 89e5ba0dae69..1cf98542578f 100644 --- a/drivers/rtc/rtc-meson-vrtc.c +++ b/drivers/rtc/rtc-meson-vrtc.c @@ -23,7 +23,7 @@ static int meson_vrtc_read_time(struct device *dev, struct rtc_time *tm) struct timespec64 time; dev_dbg(dev, "%s\n", __func__); - ktime_get_raw_ts64(&time); + ktime_get_real_ts64(&time); rtc_time64_to_tm(time.tv_sec, tm); return 0; @@ -101,7 +101,7 @@ static int __maybe_unused meson_vrtc_suspend(struct device *dev) long alarm_secs; struct timespec64 time; - ktime_get_raw_ts64(&time); + ktime_get_real_ts64(&time); local_time = time.tv_sec; dev_dbg(dev, "alarm_time = %lus, local_time=%lus\n", diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index a2941c875a06..bf502fcd6077 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -26,6 +26,7 @@ #include #include #include +#include /* * The OMAP RTC is a year/month/day/hours/minutes/seconds BCD clock diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c index 27261b020f8d..2031d042c5e4 100644 --- a/drivers/rtc/rtc-st-lpc.c +++ b/drivers/rtc/rtc-st-lpc.c @@ -231,7 +231,7 @@ static int st_rtc_probe(struct platform_device *pdev) enable_irq_wake(rtc->irq); disable_irq(rtc->irq); - rtc->clk = clk_get(&pdev->dev, NULL); + rtc->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(rtc->clk)) { dev_err(&pdev->dev, "Unable to request clock\n"); return PTR_ERR(rtc->clk); diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 3362f235e891..187565830b5b 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3000,7 +3000,7 @@ static int _dasd_requeue_request(struct dasd_ccw_req *cqr) return 0; spin_lock_irq(&cqr->dq->lock); req = (struct request *) cqr->callback_data; - blk_mq_requeue_request(req, false); + blk_mq_requeue_request(req, true); spin_unlock_irq(&cqr->dq->lock); return 0; diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c index 9a5f3add325f..caab2cd2e0bd 100644 --- a/drivers/s390/block/dasd_ioctl.c +++ b/drivers/s390/block/dasd_ioctl.c @@ -137,6 +137,7 @@ static int dasd_ioctl_resume(struct dasd_block *block) spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags); dasd_schedule_block_bh(block); + dasd_schedule_device_bh(base); return 0; } @@ -457,10 +458,9 @@ static int dasd_ioctl_read_profile(struct dasd_block *block, void __user *argp) /* * Return dasd information. Used for BIODASDINFO and BIODASDINFO2. */ -static int dasd_ioctl_information(struct dasd_block *block, - unsigned int cmd, void __user *argp) +static int __dasd_ioctl_information(struct dasd_block *block, + struct dasd_information2_t *dasd_info) { - struct dasd_information2_t *dasd_info; struct subchannel_id sch_id; struct ccw_dev_id dev_id; struct dasd_device *base; @@ -473,15 +473,9 @@ static int dasd_ioctl_information(struct dasd_block *block, if (!base->discipline || !base->discipline->fill_info) return -EINVAL; - dasd_info = kzalloc(sizeof(struct dasd_information2_t), GFP_KERNEL); - if (dasd_info == NULL) - return -ENOMEM; - rc = base->discipline->fill_info(base, dasd_info); - if (rc) { - kfree(dasd_info); + if (rc) return rc; - } cdev = base->cdev; ccw_device_get_id(cdev, &dev_id); @@ -516,19 +510,28 @@ static int dasd_ioctl_information(struct dasd_block *block, memcpy(dasd_info->type, base->discipline->name, 4); - spin_lock_irqsave(&block->queue_lock, flags); + spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags); list_for_each(l, &base->ccw_queue) dasd_info->chanq_len++; - spin_unlock_irqrestore(&block->queue_lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags); + return 0; +} - rc = 0; - if (copy_to_user(argp, dasd_info, - ((cmd == (unsigned int) BIODASDINFO2) ? - sizeof(struct dasd_information2_t) : - sizeof(struct dasd_information_t)))) - rc = -EFAULT; +static int dasd_ioctl_information(struct dasd_block *block, void __user *argp, + size_t copy_size) +{ + struct dasd_information2_t *dasd_info; + int error; + + dasd_info = kzalloc(sizeof(*dasd_info), GFP_KERNEL); + if (!dasd_info) + return -ENOMEM; + + error = __dasd_ioctl_information(block, dasd_info); + if (!error && copy_to_user(argp, dasd_info, copy_size)) + error = -EFAULT; kfree(dasd_info); - return rc; + return error; } /* @@ -622,10 +625,12 @@ int dasd_ioctl(struct block_device *bdev, fmode_t mode, rc = dasd_ioctl_check_format(bdev, argp); break; case BIODASDINFO: - rc = dasd_ioctl_information(block, cmd, argp); + rc = dasd_ioctl_information(block, argp, + sizeof(struct dasd_information_t)); break; case BIODASDINFO2: - rc = dasd_ioctl_information(block, cmd, argp); + rc = dasd_ioctl_information(block, argp, + sizeof(struct dasd_information2_t)); break; case BIODASDPRRD: rc = dasd_ioctl_read_profile(block, argp); diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 23e9227e60fd..d7ca75efb49f 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1385,6 +1385,7 @@ void ccw_device_set_notoper(struct ccw_device *cdev) enum io_sch_action { IO_SCH_UNREG, IO_SCH_ORPH_UNREG, + IO_SCH_UNREG_CDEV, IO_SCH_ATTACH, IO_SCH_UNREG_ATTACH, IO_SCH_ORPH_ATTACH, @@ -1417,7 +1418,7 @@ static enum io_sch_action sch_get_action(struct subchannel *sch) } if ((sch->schib.pmcw.pam & sch->opm) == 0) { if (ccw_device_notify(cdev, CIO_NO_PATH) != NOTIFY_OK) - return IO_SCH_UNREG; + return IO_SCH_UNREG_CDEV; return IO_SCH_DISC; } if (device_is_disconnected(cdev)) @@ -1479,6 +1480,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) case IO_SCH_ORPH_ATTACH: ccw_device_set_disconnected(cdev); break; + case IO_SCH_UNREG_CDEV: case IO_SCH_UNREG_ATTACH: case IO_SCH_UNREG: if (!cdev) @@ -1512,6 +1514,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) if (rc) goto out; break; + case IO_SCH_UNREG_CDEV: case IO_SCH_UNREG_ATTACH: spin_lock_irqsave(sch->lock, flags); if (cdev->private->flags.resuming) { diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 3b0a4483a252..c78651be8d13 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -88,15 +88,15 @@ enum qdio_irq_states { static inline int do_sqbs(u64 token, unsigned char state, int queue, int *start, int *count) { - register unsigned long _ccq asm ("0") = *count; - register unsigned long _token asm ("1") = token; unsigned long _queuestart = ((unsigned long)queue << 32) | *start; + unsigned long _ccq = *count; asm volatile( - " .insn rsy,0xeb000000008A,%1,0,0(%2)" - : "+d" (_ccq), "+d" (_queuestart) - : "d" ((unsigned long)state), "d" (_token) - : "memory", "cc"); + " lgr 1,%[token]\n" + " .insn rsy,0xeb000000008a,%[qs],%[ccq],0(%[state])" + : [ccq] "+&d" (_ccq), [qs] "+&d" (_queuestart) + : [state] "a" ((unsigned long)state), [token] "d" (token) + : "memory", "cc", "1"); *count = _ccq & 0xff; *start = _queuestart & 0xff; @@ -106,16 +106,17 @@ static inline int do_sqbs(u64 token, unsigned char state, int queue, static inline int do_eqbs(u64 token, unsigned char *state, int queue, int *start, int *count, int ack) { - register unsigned long _ccq asm ("0") = *count; - register unsigned long _token asm ("1") = token; unsigned long _queuestart = ((unsigned long)queue << 32) | *start; unsigned long _state = (unsigned long)ack << 63; + unsigned long _ccq = *count; asm volatile( - " .insn rrf,0xB99c0000,%1,%2,0,0" - : "+d" (_ccq), "+d" (_queuestart), "+d" (_state) - : "d" (_token) - : "memory", "cc"); + " lgr 1,%[token]\n" + " .insn rrf,0xb99c0000,%[qs],%[state],%[ccq],0" + : [ccq] "+&d" (_ccq), [qs] "+&d" (_queuestart), + [state] "+&d" (_state) + : [token] "d" (token) + : "memory", "cc", "1"); *count = _ccq & 0xff; *start = _queuestart & 0xff; *state = _state & 0xff; diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 5b63c505a2f7..620655bcbe80 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -31,38 +31,41 @@ MODULE_DESCRIPTION("QDIO base support"); MODULE_LICENSE("GPL"); static inline int do_siga_sync(unsigned long schid, - unsigned int out_mask, unsigned int in_mask, + unsigned long out_mask, unsigned long in_mask, unsigned int fc) { - register unsigned long __fc asm ("0") = fc; - register unsigned long __schid asm ("1") = schid; - register unsigned long out asm ("2") = out_mask; - register unsigned long in asm ("3") = in_mask; int cc; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[schid]\n" + " lgr 2,%[out]\n" + " lgr 3,%[in]\n" " siga 0\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc) - : "d" (__fc), "d" (__schid), "d" (out), "d" (in) : "cc"); + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (cc) + : [fc] "d" (fc), [schid] "d" (schid), + [out] "d" (out_mask), [in] "d" (in_mask) + : "cc", "0", "1", "2", "3"); return cc; } -static inline int do_siga_input(unsigned long schid, unsigned int mask, - unsigned int fc) +static inline int do_siga_input(unsigned long schid, unsigned long mask, + unsigned long fc) { - register unsigned long __fc asm ("0") = fc; - register unsigned long __schid asm ("1") = schid; - register unsigned long __mask asm ("2") = mask; int cc; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[schid]\n" + " lgr 2,%[mask]\n" " siga 0\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc) - : "d" (__fc), "d" (__schid), "d" (__mask) : "cc"); + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (cc) + : [fc] "d" (fc), [schid] "d" (schid), [mask] "d" (mask) + : "cc", "0", "1", "2"); return cc; } @@ -78,23 +81,24 @@ static inline int do_siga_input(unsigned long schid, unsigned int mask, * Note: For IQDC unicast queues only the highest priority queue is processed. */ static inline int do_siga_output(unsigned long schid, unsigned long mask, - unsigned int *bb, unsigned int fc, + unsigned int *bb, unsigned long fc, unsigned long aob) { - register unsigned long __fc asm("0") = fc; - register unsigned long __schid asm("1") = schid; - register unsigned long __mask asm("2") = mask; - register unsigned long __aob asm("3") = aob; int cc; asm volatile( + " lgr 0,%[fc]\n" + " lgr 1,%[schid]\n" + " lgr 2,%[mask]\n" + " lgr 3,%[aob]\n" " siga 0\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc), "+d" (__fc), "+d" (__aob) - : "d" (__schid), "d" (__mask) - : "cc"); - *bb = __fc >> 31; + " lgr %[fc],0\n" + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (cc), [fc] "+&d" (fc) + : [schid] "d" (schid), [mask] "d" (mask), [aob] "d" (aob) + : "cc", "0", "1", "2", "3"); + *bb = fc >> 31; return cc; } diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 7285e6ca948f..459eed7aca66 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -534,8 +534,7 @@ static void zfcp_fc_adisc_handler(void *data) /* re-init to undo drop from zfcp_fc_adisc() */ port->d_id = ntoh24(adisc_resp->adisc_port_id); - /* port is good, unblock rport without going through erp */ - zfcp_scsi_schedule_rport_register(port); + /* port is still good, nothing to do */ out: atomic_andnot(ZFCP_STATUS_PORT_LINK_TEST, &port->status); put_device(&port->dev); @@ -595,9 +594,6 @@ void zfcp_fc_link_test_work(struct work_struct *work) int retval; set_worker_desc("zadisc%16llx", port->wwpn); /* < WORKER_DESC_LEN=24 */ - get_device(&port->dev); - port->rport_task = RPORT_DEL; - zfcp_scsi_rport_work(&port->rport_work); /* only issue one test command at one time per port */ if (atomic_read(&port->status) & ZFCP_STATUS_PORT_LINK_TEST) diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c index 2b1e0d503020..75290aabd543 100644 --- a/drivers/scsi/3w-xxxx.c +++ b/drivers/scsi/3w-xxxx.c @@ -2310,8 +2310,10 @@ static int tw_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id) TW_DISABLE_INTERRUPTS(tw_dev); /* Initialize the card */ - if (tw_reset_sequence(tw_dev)) + if (tw_reset_sequence(tw_dev)) { + retval = -EINVAL; goto out_release_mem_region; + } /* Set host specific parameters */ host->max_id = TW_MAX_UNITS; diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 0068963bb933..0b7e9b1a8946 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -1581,7 +1581,7 @@ NCR_700_intr(int irq, void *dev_id) printk("scsi%d (%d:%d) PHASE MISMATCH IN SEND MESSAGE %d remain, return %p[%04x], phase %s\n", host->host_no, pun, lun, count, (void *)temp, temp - hostdata->pScript, sbcl_to_string(NCR_700_readb(host, SBCL_REG))); #endif resume_offset = hostdata->pScript + Ent_SendMessagePhaseMismatch; - } else if(dsp >= to32bit(&slot->pSG[0].ins) && + } else if (slot && dsp >= to32bit(&slot->pSG[0].ins) && dsp <= to32bit(&slot->pSG[NCR_700_SG_SEGMENTS].ins)) { int data_transfer = NCR_700_readl(host, DBC_REG) & 0xffffff; int SGcount = (dsp - to32bit(&slot->pSG[0].ins))/sizeof(struct NCR_700_SG_List); diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 9ea30fcb4428..51bbc858a944 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -443,7 +443,7 @@ config SCSI_MVUMI config SCSI_DPT_I2O tristate "Adaptec I2O RAID support " - depends on SCSI && PCI && VIRT_TO_BUS + depends on SCSI && PCI help This driver supports all of Adaptec's I2O based RAID controllers as well as the DPT SmartRaid V cards. This is an Adaptec maintained diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index c4a6609d8fae..cd0c978dc169 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -4168,7 +4168,7 @@ static int adapter_sg_tables_alloc(struct AdapterCtlBlk *acb) const unsigned srbs_per_page = PAGE_SIZE/SEGMENTX_LEN; int srb_idx = 0; unsigned i = 0; - struct SGentry *uninitialized_var(ptr); + struct SGentry *ptr; for (i = 0; i < DC395x_MAX_SRB_CNT; i++) acb->srb_array[i].segment_x = NULL; diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index abc74fd474dc..912acd2b5067 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -56,7 +56,7 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver"); #include /* for boot_cpu_data */ #include -#include /* for virt_to_bus, etc. */ +#include #include #include @@ -585,51 +585,6 @@ static int adpt_show_info(struct seq_file *m, struct Scsi_Host *host) return 0; } -/* - * Turn a pointer to ioctl reply data into an u32 'context' - */ -static u32 adpt_ioctl_to_context(adpt_hba * pHba, void *reply) -{ -#if BITS_PER_LONG == 32 - return (u32)(unsigned long)reply; -#else - ulong flags = 0; - u32 nr, i; - - spin_lock_irqsave(pHba->host->host_lock, flags); - nr = ARRAY_SIZE(pHba->ioctl_reply_context); - for (i = 0; i < nr; i++) { - if (pHba->ioctl_reply_context[i] == NULL) { - pHba->ioctl_reply_context[i] = reply; - break; - } - } - spin_unlock_irqrestore(pHba->host->host_lock, flags); - if (i >= nr) { - printk(KERN_WARNING"%s: Too many outstanding " - "ioctl commands\n", pHba->name); - return (u32)-1; - } - - return i; -#endif -} - -/* - * Go from an u32 'context' to a pointer to ioctl reply data. - */ -static void *adpt_ioctl_from_context(adpt_hba *pHba, u32 context) -{ -#if BITS_PER_LONG == 32 - return (void *)(unsigned long)context; -#else - void *p = pHba->ioctl_reply_context[context]; - pHba->ioctl_reply_context[context] = NULL; - - return p; -#endif -} - /*=========================================================================== * Error Handling routines *=========================================================================== @@ -1652,208 +1607,6 @@ static int adpt_close(struct inode *inode, struct file *file) return 0; } - -static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg) -{ - u32 msg[MAX_MESSAGE_SIZE]; - u32* reply = NULL; - u32 size = 0; - u32 reply_size = 0; - u32 __user *user_msg = arg; - u32 __user * user_reply = NULL; - void **sg_list = NULL; - u32 sg_offset = 0; - u32 sg_count = 0; - int sg_index = 0; - u32 i = 0; - u32 rcode = 0; - void *p = NULL; - dma_addr_t addr; - ulong flags = 0; - - memset(&msg, 0, MAX_MESSAGE_SIZE*4); - // get user msg size in u32s - if(get_user(size, &user_msg[0])){ - return -EFAULT; - } - size = size>>16; - - user_reply = &user_msg[size]; - if(size > MAX_MESSAGE_SIZE){ - return -EFAULT; - } - size *= 4; // Convert to bytes - - /* Copy in the user's I2O command */ - if(copy_from_user(msg, user_msg, size)) { - return -EFAULT; - } - get_user(reply_size, &user_reply[0]); - reply_size = reply_size>>16; - if(reply_size > REPLY_FRAME_SIZE){ - reply_size = REPLY_FRAME_SIZE; - } - reply_size *= 4; - reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL); - if(reply == NULL) { - printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name); - return -ENOMEM; - } - sg_offset = (msg[0]>>4)&0xf; - msg[2] = 0x40000000; // IOCTL context - msg[3] = adpt_ioctl_to_context(pHba, reply); - if (msg[3] == (u32)-1) { - rcode = -EBUSY; - goto free; - } - - sg_list = kcalloc(pHba->sg_tablesize, sizeof(*sg_list), GFP_KERNEL); - if (!sg_list) { - rcode = -ENOMEM; - goto free; - } - if(sg_offset) { - // TODO add 64 bit API - struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset); - sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element); - if (sg_count > pHba->sg_tablesize){ - printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count); - rcode = -EINVAL; - goto free; - } - - for(i = 0; i < sg_count; i++) { - int sg_size; - - if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) { - printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count); - rcode = -EINVAL; - goto cleanup; - } - sg_size = sg[i].flag_count & 0xffffff; - /* Allocate memory for the transfer */ - p = dma_alloc_coherent(&pHba->pDev->dev, sg_size, &addr, GFP_KERNEL); - if(!p) { - printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n", - pHba->name,sg_size,i,sg_count); - rcode = -ENOMEM; - goto cleanup; - } - sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame. - /* Copy in the user's SG buffer if necessary */ - if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) { - // sg_simple_element API is 32 bit - if (copy_from_user(p,(void __user *)(ulong)sg[i].addr_bus, sg_size)) { - printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i); - rcode = -EFAULT; - goto cleanup; - } - } - /* sg_simple_element API is 32 bit, but addr < 4GB */ - sg[i].addr_bus = addr; - } - } - - do { - /* - * Stop any new commands from enterring the - * controller while processing the ioctl - */ - if (pHba->host) { - scsi_block_requests(pHba->host); - spin_lock_irqsave(pHba->host->host_lock, flags); - } - rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER); - if (rcode != 0) - printk("adpt_i2o_passthru: post wait failed %d %p\n", - rcode, reply); - if (pHba->host) { - spin_unlock_irqrestore(pHba->host->host_lock, flags); - scsi_unblock_requests(pHba->host); - } - } while (rcode == -ETIMEDOUT); - - if(rcode){ - goto cleanup; - } - - if(sg_offset) { - /* Copy back the Scatter Gather buffers back to user space */ - u32 j; - // TODO add 64 bit API - struct sg_simple_element* sg; - int sg_size; - - // re-acquire the original message to handle correctly the sg copy operation - memset(&msg, 0, MAX_MESSAGE_SIZE*4); - // get user msg size in u32s - if(get_user(size, &user_msg[0])){ - rcode = -EFAULT; - goto cleanup; - } - size = size>>16; - size *= 4; - if (size > MAX_MESSAGE_SIZE) { - rcode = -EINVAL; - goto cleanup; - } - /* Copy in the user's I2O command */ - if (copy_from_user (msg, user_msg, size)) { - rcode = -EFAULT; - goto cleanup; - } - sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element); - - // TODO add 64 bit API - sg = (struct sg_simple_element*)(msg + sg_offset); - for (j = 0; j < sg_count; j++) { - /* Copy out the SG list to user's buffer if necessary */ - if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) { - sg_size = sg[j].flag_count & 0xffffff; - // sg_simple_element API is 32 bit - if (copy_to_user((void __user *)(ulong)sg[j].addr_bus,sg_list[j], sg_size)) { - printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus); - rcode = -EFAULT; - goto cleanup; - } - } - } - } - - /* Copy back the reply to user space */ - if (reply_size) { - // we wrote our own values for context - now restore the user supplied ones - if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) { - printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name); - rcode = -EFAULT; - } - if(copy_to_user(user_reply, reply, reply_size)) { - printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name); - rcode = -EFAULT; - } - } - - -cleanup: - if (rcode != -ETIME && rcode != -EINTR) { - struct sg_simple_element *sg = - (struct sg_simple_element*) (msg +sg_offset); - while(sg_index) { - if(sg_list[--sg_index]) { - dma_free_coherent(&pHba->pDev->dev, - sg[sg_index].flag_count & 0xffffff, - sg_list[sg_index], - sg[sg_index].addr_bus); - } - } - } - -free: - kfree(sg_list); - kfree(reply); - return rcode; -} - #if defined __ia64__ static void adpt_ia64_info(sysInfo_S* si) { @@ -1980,8 +1733,6 @@ static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong ar return -EFAULT; } break; - case I2OUSRCMD: - return adpt_i2o_passthru(pHba, argp); case DPT_CTRLINFO:{ drvrHBAinfo_S HbaInfo; @@ -2118,7 +1869,7 @@ static irqreturn_t adpt_isr(int irq, void *dev_id) } else { /* Ick, we should *never* be here */ printk(KERN_ERR "dpti: reply frame not from pool\n"); - reply = (u8 *)bus_to_virt(m); + continue; } if (readl(reply) & MSG_FAIL) { @@ -2138,13 +1889,6 @@ static irqreturn_t adpt_isr(int irq, void *dev_id) adpt_send_nop(pHba, old_m); } context = readl(reply+8); - if(context & 0x40000000){ // IOCTL - void *p = adpt_ioctl_from_context(pHba, readl(reply+12)); - if( p != NULL) { - memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4); - } - // All IOCTLs will also be post wait - } if(context & 0x80000000){ // Post wait message status = readl(reply+16); if(status >> 24){ @@ -2152,16 +1896,14 @@ static irqreturn_t adpt_isr(int irq, void *dev_id) } else { status = I2O_POST_WAIT_OK; } - if(!(context & 0x40000000)) { - /* - * The request tag is one less than the command tag - * as the firmware might treat a 0 tag as invalid - */ - cmd = scsi_host_find_tag(pHba->host, - readl(reply + 12) - 1); - if(cmd != NULL) { - printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context); - } + /* + * The request tag is one less than the command tag + * as the firmware might treat a 0 tag as invalid + */ + cmd = scsi_host_find_tag(pHba->host, + readl(reply + 12) - 1); + if(cmd != NULL) { + printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context); } adpt_i2o_post_wait_complete(context, status); } else { // SCSI message diff --git a/drivers/scsi/dpti.h b/drivers/scsi/dpti.h index 42b1e28b5884..87df0c1e0ab2 100644 --- a/drivers/scsi/dpti.h +++ b/drivers/scsi/dpti.h @@ -248,7 +248,6 @@ typedef struct _adpt_hba { void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED u32 FwDebugFlags; - u32 *ioctl_reply_context[4]; } adpt_hba; struct sg_simple_element { diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 69551132f304..291fccf02d45 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -2046,6 +2046,7 @@ lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf, char mybuf[64]; char *pbuf; int i; + size_t bsize; /* Protect copy from user */ if (!access_ok(buf, nbytes)) @@ -2053,7 +2054,9 @@ lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf, memset(mybuf, 0, sizeof(mybuf)); - if (copy_from_user(mybuf, buf, nbytes)) + bsize = min(nbytes, (sizeof(mybuf) - 1)); + + if (copy_from_user(mybuf, buf, bsize)) return -EFAULT; pbuf = &mybuf[0]; @@ -2074,7 +2077,7 @@ lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf, qp->lock_conflict.wq_access = 0; } } - return nbytes; + return bsize; } #endif diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 8930696021fb..af5238ab6309 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -10226,7 +10226,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) goto out_iounmap_all; } else { error = -ENOMEM; - goto out_iounmap_all; + goto out_iounmap_ctrl; } } @@ -10244,7 +10244,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) dev_err(&pdev->dev, "ioremap failed for SLI4 HBA dpp registers.\n"); error = -ENOMEM; - goto out_iounmap_ctrl; + goto out_iounmap_all; } phba->pci_bar4_memmap_p = phba->sli4_hba.dpp_regs_memmap_p; } @@ -10269,9 +10269,11 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) return 0; out_iounmap_all: - iounmap(phba->sli4_hba.drbl_regs_memmap_p); + if (phba->sli4_hba.drbl_regs_memmap_p) + iounmap(phba->sli4_hba.drbl_regs_memmap_p); out_iounmap_ctrl: - iounmap(phba->sli4_hba.ctrl_regs_memmap_p); + if (phba->sli4_hba.ctrl_regs_memmap_p) + iounmap(phba->sli4_hba.ctrl_regs_memmap_p); out_iounmap_conf: iounmap(phba->sli4_hba.conf_regs_memmap_p); diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 8b1ba690039b..8c88190673c2 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -1439,6 +1439,7 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) */ if (cmdid == CMDID_INT_CMDS) { scb = &adapter->int_scb; + cmd = scb->cmd; list_del_init(&scb->list); scb->state = SCB_FREE; diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index fec653b54307..cba30618e8fe 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4173,7 +4173,7 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) { struct outbound_queue_table *circularQ; void *pMsg1 = NULL; - u8 uninitialized_var(bc); + u8 bc; u32 ret = MPI_IO_STATUS_FAIL; unsigned long flags; diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index ce67965a504f..bdc6812acf98 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -3813,7 +3813,7 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) { struct outbound_queue_table *circularQ; void *pMsg1 = NULL; - u8 uninitialized_var(bc); + u8 bc; u32 ret = MPI_IO_STATUS_FAIL; unsigned long flags; u32 regval; diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index f864ef059d29..858058f22819 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -2914,9 +2914,8 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf) * addresses of our queues */ if (!qedf->p_cpuq) { - status = -EINVAL; QEDF_ERR(&qedf->dbg_ctx, "p_cpuq is NULL.\n"); - goto mem_alloc_failure; + return -EINVAL; } qedf->global_queues = kzalloc((sizeof(struct global_queue *) diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 59f5dc9876cc..be3525d17fc9 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -2574,6 +2574,7 @@ static void qla2x00_terminate_rport_io(struct fc_rport *rport) { fc_port_t *fcport = *(fc_port_t **)rport->dd_data; + scsi_qla_host_t *vha; if (!fcport) return; @@ -2583,9 +2584,12 @@ qla2x00_terminate_rport_io(struct fc_rport *rport) if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags)) return; + vha = fcport->vha; if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) { qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16); + qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, + 0, WAIT_TARGET); return; } /* @@ -2600,6 +2604,15 @@ qla2x00_terminate_rport_io(struct fc_rport *rport) else qla2x00_port_logout(fcport->vha, fcport); } + + /* check for any straggling io left behind */ + if (qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, 0, WAIT_TARGET)) { + ql_log(ql_log_warn, vha, 0x300b, + "IO not return. Resetting. \n"); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + qla2x00_wait_for_chip_reset(vha); + } } static int diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index ce55121910e8..e584d39dc982 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -259,6 +259,10 @@ qla2x00_process_els(struct bsg_job *bsg_job) if (bsg_request->msgcode == FC_BSG_RPT_ELS) { rport = fc_bsg_to_rport(bsg_job); + if (!rport) { + rval = -ENOMEM; + goto done; + } fcport = *(fc_port_t **) rport->dd_data; host = rport_to_shost(rport); vha = shost_priv(host); @@ -2526,6 +2530,8 @@ qla24xx_bsg_request(struct bsg_job *bsg_job) if (bsg_request->msgcode == FC_BSG_RPT_ELS) { rport = fc_bsg_to_rport(bsg_job); + if (!rport) + return ret; host = rport_to_shost(rport); vha = shost_priv(host); } else { diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index a8272d429075..2ef6277244f5 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -593,7 +593,6 @@ typedef struct srb { uint8_t pad[3]; struct kref cmd_kref; /* need to migrate ref_count over to this */ void *priv; - wait_queue_head_t nvme_ls_waitq; struct fc_port *fcport; struct scsi_qla_host *vha; unsigned int start_timer:1; diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index 477b0b8a5f4b..c54b987d1f11 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -110,11 +110,13 @@ qla2x00_set_fcport_disc_state(fc_port_t *fcport, int state) { int old_val; uint8_t shiftbits, mask; + uint8_t port_dstate_str_sz; /* This will have to change when the max no. of states > 16 */ shiftbits = 4; mask = (1 << shiftbits) - 1; + port_dstate_str_sz = sizeof(port_dstate_str) / sizeof(char *); fcport->disc_state = state; while (1) { old_val = atomic_read(&fcport->shadow_disc_state); @@ -122,7 +124,8 @@ qla2x00_set_fcport_disc_state(fc_port_t *fcport, int state) old_val, (old_val << shiftbits) | state)) { ql_dbg(ql_dbg_disc, fcport->vha, 0x2134, "FCPort %8phC disc_state transition: %s to %s - portid=%06x.\n", - fcport->port_name, port_dstate_str[old_val & mask], + fcport->port_name, (old_val & mask) < port_dstate_str_sz ? + port_dstate_str[old_val & mask] : "Unknown", port_dstate_str[state], fcport->d_id.b24); return; } diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 103288b0377e..716f46a67bcd 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -601,7 +601,8 @@ qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, put_unaligned_le32(COMMAND_TYPE_6, &cmd_pkt->entry_type); /* No data transfer */ - if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { + if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE || + tot_dsds == 0) { cmd_pkt->byte_count = cpu_to_le32(0); return 0; } @@ -3665,7 +3666,7 @@ qla2x00_start_sp(srb_t *sp) spin_lock_irqsave(qp->qp_lock_ptr, flags); pkt = __qla2x00_alloc_iocbs(sp->qpair, sp); if (!pkt) { - rval = EAGAIN; + rval = -EAGAIN; ql_log(ql_log_warn, vha, 0x700c, "qla2x00_alloc_iocbs failed.\n"); goto done; diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index ab9dcbd2006c..b67480456f45 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -318,7 +318,6 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport, if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x700e, "qla2x00_start_sp failed = %d\n", rval); - wake_up(&sp->nvme_ls_waitq); sp->priv = NULL; priv->sp = NULL; qla2x00_rel_sp(sp); @@ -563,7 +562,6 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, if (!sp) return -EBUSY; - init_waitqueue_head(&sp->nvme_ls_waitq); kref_init(&sp->cmd_kref); spin_lock_init(&priv->cmd_lock); sp->priv = (void *)priv; @@ -581,7 +579,6 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x212d, "qla2x00_start_nvme_mq failed = %d\n", rval); - wake_up(&sp->nvme_ls_waitq); sp->priv = NULL; priv->sp = NULL; qla2xxx_rel_qpair_sp(sp->qpair, sp); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 30a5ca9c5a8d..99d4bc2ab5a9 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4831,7 +4831,8 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, } INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn); - sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); + snprintf(vha->host_str, sizeof(vha->host_str), "%s_%lu", + QLA2XXX_DRIVER_NAME, vha->host_no); ql_dbg(ql_dbg_init, vha, 0x0041, "Allocated the host=%p hw=%p vha=%p dev_name=%s", vha->host, vha->hw, vha, @@ -4961,7 +4962,7 @@ qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code) switch (code) { case QLA_UEVENT_CODE_FW_DUMP: - snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld", + snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu", vha->host_no); break; default: diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c index 898a0bdf8df6..711252e52d8e 100644 --- a/drivers/scsi/raid_class.c +++ b/drivers/scsi/raid_class.c @@ -248,6 +248,7 @@ int raid_component_add(struct raid_template *r,struct device *raid_dev, return 0; err_out: + put_device(&rc->dev); list_del(&rc->node); rd->component_count--; put_device(component_dev); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 9d9617affe96..e8560677013c 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1534,6 +1534,7 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd) */ SCSI_LOG_MLQUEUE(3, scmd_printk(KERN_INFO, cmd, "queuecommand : device blocked\n")); + atomic_dec(&cmd->device->iorequest_cnt); return SCSI_MLQUEUE_DEVICE_BUSY; } @@ -1566,6 +1567,7 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd) trace_scsi_dispatch_cmd_start(cmd); rtn = host->hostt->queuecommand(host, cmd); if (rtn) { + atomic_dec(&cmd->device->iorequest_cnt); trace_scsi_dispatch_cmd_error(cmd, rtn); if (rtn != SCSI_MLQUEUE_DEVICE_BUSY && rtn != SCSI_MLQUEUE_TARGET_BUSY) diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index 5b313226f11c..0330890cc55d 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -311,7 +311,7 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, size_t length, loff_t *ppos) { int host, channel, id, lun; - char *buffer, *p; + char *buffer, *end, *p; int err; if (!buf || length > PAGE_SIZE) @@ -326,10 +326,14 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, goto out; err = -EINVAL; - if (length < PAGE_SIZE) - buffer[length] = '\0'; - else if (buffer[PAGE_SIZE-1]) - goto out; + if (length < PAGE_SIZE) { + end = buffer + length; + *end = '\0'; + } else { + end = buffer + PAGE_SIZE - 1; + if (*end) + goto out; + } /* * Usage: echo "scsi add-single-device 0 1 2 3" >/proc/scsi/scsi @@ -338,10 +342,10 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, if (!strncmp("scsi add-single-device", buffer, 22)) { p = buffer + 23; - host = simple_strtoul(p, &p, 0); - channel = simple_strtoul(p + 1, &p, 0); - id = simple_strtoul(p + 1, &p, 0); - lun = simple_strtoul(p + 1, &p, 0); + host = (p < end) ? simple_strtoul(p, &p, 0) : 0; + channel = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; + id = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; + lun = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; err = scsi_add_single_device(host, channel, id, lun); @@ -352,10 +356,10 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, } else if (!strncmp("scsi remove-single-device", buffer, 25)) { p = buffer + 26; - host = simple_strtoul(p, &p, 0); - channel = simple_strtoul(p + 1, &p, 0); - id = simple_strtoul(p + 1, &p, 0); - lun = simple_strtoul(p + 1, &p, 0); + host = (p < end) ? simple_strtoul(p, &p, 0) : 0; + channel = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; + id = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; + lun = (p + 1 < end) ? simple_strtoul(p + 1, &p, 0) : 0; err = scsi_remove_single_device(host, channel, id, lun); } diff --git a/drivers/scsi/snic/snic_disc.c b/drivers/scsi/snic/snic_disc.c index 7cf871323b2c..c445853c623e 100644 --- a/drivers/scsi/snic/snic_disc.c +++ b/drivers/scsi/snic/snic_disc.c @@ -317,6 +317,7 @@ snic_tgt_create(struct snic *snic, struct snic_tgt_id *tgtid) "Snic Tgt: device_add, with err = %d\n", ret); + put_device(&tgt->dev); put_device(&snic->shost->shost_gendev); spin_lock_irqsave(snic->shost->host_lock, flags); list_del(&tgt->list); diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 159ffc2bb592..20b6556e5dcb 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -109,7 +109,9 @@ enum { TASK_ATTRIBUTE_HEADOFQUEUE = 0x1, TASK_ATTRIBUTE_ORDERED = 0x2, TASK_ATTRIBUTE_ACA = 0x4, +}; +enum { SS_STS_NORMAL = 0x80000000, SS_STS_DONE = 0x40000000, SS_STS_HANDSHAKE = 0x20000000, @@ -121,7 +123,9 @@ enum { SS_I2H_REQUEST_RESET = 0x2000, SS_MU_OPERATIONAL = 0x80000000, +}; +enum { STEX_CDB_LENGTH = 16, STATUS_VAR_LEN = 128, diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 8d1b19b2322f..823088c7b199 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1526,10 +1526,6 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) */ static enum blk_eh_timer_return storvsc_eh_timed_out(struct scsi_cmnd *scmnd) { -#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS) - if (scmnd->device->host->transportt == fc_transport_template) - return fc_eh_timed_out(scmnd); -#endif return BLK_EH_RESET_TIMER; } diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig index cfa4b2939992..3ed083860764 100644 --- a/drivers/soc/fsl/qe/Kconfig +++ b/drivers/soc/fsl/qe/Kconfig @@ -38,6 +38,7 @@ config QE_TDM config QE_USB bool + depends on QUICC_ENGINE default y if USB_FSL_QE help QE USB Controller support diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c index 562f35ce68a4..acd296faa0c4 100644 --- a/drivers/soc/qcom/socinfo.c +++ b/drivers/soc/qcom/socinfo.c @@ -34,6 +34,7 @@ #define SMEM_IMAGE_VERSION_TABLE 469 static uint32_t socinfo_format; +static const char *sku; enum { HW_PLATFORM_UNKNOWN = 0, @@ -121,6 +122,51 @@ static const char * const hw_platform_subtype[] = { [PLATFORM_SUBTYPE_INVALID] = "Invalid", }; +enum { + /* External SKU */ + SKU_UNKNOWN = 0x0, + SKU_AA = 0x1, + SKU_AB = 0x2, + SKU_AC = 0x3, + SKU_AD = 0x4, + SKU_AE = 0x5, + SKU_AF = 0x6, + SKU_EXT_RESERVE, + + /* Internal SKU */ + SKU_Y0 = 0xf1, + SKU_Y1 = 0xf2, + SKU_Y2 = 0xf3, + SKU_Y3 = 0xf4, + SKU_Y4 = 0xf5, + SKU_Y5 = 0xf6, + SKU_Y6 = 0xf7, + SKU_Y7 = 0xf8, + SKU_INT_RESERVE, +}; + +static const char * const hw_platform_esku[] = { + [SKU_UNKNOWN] = "Unknown", + [SKU_AA] = "AA", + [SKU_AB] = "AB", + [SKU_AC] = "AC", + [SKU_AD] = "AD", + [SKU_AE] = "AE", + [SKU_AF] = "AF", +}; + +#define SKU_INT_MASK 0x0f +static const char * const hw_platform_isku[] = { + [SKU_Y0 & SKU_INT_MASK] = "Y0", + [SKU_Y1 & SKU_INT_MASK] = "Y1", + [SKU_Y2 & SKU_INT_MASK] = "Y2", + [SKU_Y3 & SKU_INT_MASK] = "Y3", + [SKU_Y4 & SKU_INT_MASK] = "Y4", + [SKU_Y5 & SKU_INT_MASK] = "Y5", + [SKU_Y6 & SKU_INT_MASK] = "Y6", + [SKU_Y7 & SKU_INT_MASK] = "Y7", +}; + /* Socinfo SMEM item structure */ static struct socinfo { __le32 fmt; @@ -167,6 +213,11 @@ static struct socinfo { __le32 ndefective_parts_array_offset; /* Version 15 */ __le32 nmodem_supported; + /* Version 16 */ + __le32 esku; + __le32 nproduct_code; + __le32 npartnamemap_offset; + __le32 nnum_partname_mapping; } *socinfo; /* sysfs attributes */ @@ -362,6 +413,35 @@ static uint32_t socinfo_get_nmodem_supported(void) : 0; } +/* Version 16 */ +static uint32_t socinfo_get_eskuid(void) +{ + return socinfo ? + (socinfo_format >= SOCINFO_VERSION(0, 16) ? + le32_to_cpu(socinfo->esku) : 0) + : 0; +} + +static const char *socinfo_get_esku_mapping(void) +{ + uint32_t id = socinfo_get_eskuid(); + + if (id > SKU_UNKNOWN && id < SKU_EXT_RESERVE) + return hw_platform_esku[id]; + else if (id >= SKU_Y0 && id < SKU_INT_RESERVE) + return hw_platform_isku[id & SKU_INT_MASK]; + + return NULL; +} + +static uint32_t socinfo_get_nproduct_code(void) +{ + return socinfo ? + (socinfo_format >= SOCINFO_VERSION(0, 16) ? + le32_to_cpu(socinfo->nproduct_code) : 0) + : 0; +} + /* Version 2 */ static ssize_t msm_get_raw_id(struct device *dev, @@ -612,6 +692,27 @@ msm_get_nmodem_supported(struct device *dev, } ATTR_DEFINE(nmodem_supported); +/* Version 16 */ +static ssize_t +msm_get_sku(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sysfs_emit(buf, "%s\n", sku ? sku : "Unknown"); +} +ATTR_DEFINE(sku); + +static ssize_t +msm_get_esku(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + const char *esku = socinfo_get_esku_mapping(); + + return sysfs_emit(buf, "%s\n", esku ? esku : "Unknown"); +} +ATTR_DEFINE(esku); + struct qcom_socinfo { struct soc_device *soc_dev; struct soc_device_attribute attr; @@ -959,6 +1060,9 @@ static void socinfo_populate_sysfs(struct qcom_socinfo *qcom_socinfo) int i = 0; switch (socinfo_format) { + case SOCINFO_VERSION(0, 16): + msm_custom_socinfo_attrs[i++] = &dev_attr_sku.attr; + msm_custom_socinfo_attrs[i++] = &dev_attr_esku.attr; case SOCINFO_VERSION(0, 15): msm_custom_socinfo_attrs[i++] = &dev_attr_nmodem_supported.attr; case SOCINFO_VERSION(0, 14): @@ -1200,6 +1304,31 @@ static void socinfo_print(void) socinfo->nmodem_supported); break; + case SOCINFO_VERSION(0, 16): + pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u foundry_id=%u serial_number=%u num_pmics=%u chip_family=0x%x raw_device_family=0x%x raw_device_number=0x%x nproduct_id=0x%x num_clusters=0x%x ncluster_array_offset=0x%x num_defective_parts=0x%x ndefective_parts_array_offset=0x%x nmodem_supported=0x%x sku=%s\n", + f_maj, f_min, socinfo->id, v_maj, v_min, + socinfo->raw_id, socinfo->raw_ver, + socinfo->hw_plat, + socinfo->plat_ver, + socinfo->accessory_chip, + socinfo->hw_plat_subtype, + socinfo->pmic_model, + socinfo->pmic_die_rev, + socinfo->foundry_id, + socinfo->serial_num, + socinfo->num_pmics, + socinfo->chip_family, + socinfo->raw_device_family, + socinfo->raw_device_num, + socinfo->nproduct_id, + socinfo->num_clusters, + socinfo->ncluster_array_offset, + socinfo->num_defective_parts, + socinfo->ndefective_parts_array_offset, + socinfo->nmodem_supported, + sku ? sku : "Unknown"); + break; + default: pr_err("Unknown format found: v%u.%u\n", f_maj, f_min); break; @@ -1237,6 +1366,7 @@ static int qcom_socinfo_probe(struct platform_device *pdev) struct qcom_socinfo *qs; struct socinfo *info; size_t item_size; + const char *machine, *esku; info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID, &item_size); @@ -1261,6 +1391,14 @@ static int qcom_socinfo_probe(struct platform_device *pdev) SOCINFO_MINOR(le32_to_cpu(info->ver))); qs->attr.soc_id = kasprintf(GFP_KERNEL, "%d", socinfo_get_id()); + if (socinfo_format >= SOCINFO_VERSION(0, 16)) { + machine = socinfo_machine(le32_to_cpu(info->id)); + esku = socinfo_get_esku_mapping(); + if (machine && esku) + sku = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s-%u-%s", + machine, socinfo_get_nproduct_code(), esku); + } + qsocinfo = qs; init_rwsem(&qs->current_image_rwsem); socinfo_populate_sysfs(qs); diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c index d933a6eda5fd..118d9161a788 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c @@ -1250,13 +1250,9 @@ int bcm_qspi_probe(struct platform_device *pdev, res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mspi"); - if (res) { - qspi->base[MSPI] = devm_ioremap_resource(dev, res); - if (IS_ERR(qspi->base[MSPI])) - return PTR_ERR(qspi->base[MSPI]); - } else { - return 0; - } + qspi->base[MSPI] = devm_ioremap_resource(dev, res); + if (IS_ERR(qspi->base[MSPI])) + return PTR_ERR(qspi->base[MSPI]); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "bspi"); if (res) { diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index fdd7eaa0b8ed..ff2759616873 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -125,7 +125,7 @@ enum bcm63xx_regs_spi { SPI_MSG_DATA_SIZE, }; -#define BCM63XX_SPI_MAX_PREPEND 15 +#define BCM63XX_SPI_MAX_PREPEND 7 #define BCM63XX_SPI_MAX_CS 8 #define BCM63XX_SPI_BUS_NUM 0 diff --git a/drivers/spi/spi-fsl-cpm.c b/drivers/spi/spi-fsl-cpm.c index 858f0544289e..c7079a9cd577 100644 --- a/drivers/spi/spi-fsl-cpm.c +++ b/drivers/spi/spi-fsl-cpm.c @@ -21,6 +21,7 @@ #include #include #include +#include #include "spi-fsl-cpm.h" #include "spi-fsl-lib.h" @@ -120,6 +121,21 @@ int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi, mspi->rx_dma = mspi->dma_dummy_rx; mspi->map_rx_dma = 0; } + if (t->bits_per_word == 16 && t->tx_buf) { + const u16 *src = t->tx_buf; + u16 *dst; + int i; + + dst = kmalloc(t->len, GFP_KERNEL); + if (!dst) + return -ENOMEM; + + for (i = 0; i < t->len >> 1; i++) + dst[i] = cpu_to_le16p(src + i); + + mspi->tx = dst; + mspi->map_tx_dma = 1; + } if (mspi->map_tx_dma) { void *nonconst_tx = (void *)mspi->tx; /* shut up gcc */ @@ -173,6 +189,13 @@ void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) if (mspi->map_rx_dma) dma_unmap_single(dev, mspi->rx_dma, t->len, DMA_FROM_DEVICE); mspi->xfer_in_progress = NULL; + + if (t->bits_per_word == 16 && t->rx_buf) { + int i; + + for (i = 0; i < t->len; i += 2) + le16_to_cpus(t->rx_buf + i); + } } EXPORT_SYMBOL_GPL(fsl_spi_cpm_bufs_complete); diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 3e0200618af3..351b2989db07 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -121,7 +121,6 @@ struct chip_data { u32 ctar_val; - u16 void_write_data; }; enum dspi_trans_mode { @@ -190,7 +189,6 @@ struct fsl_dspi { const void *tx; void *rx; void *rx_end; - u16 void_write_data; u16 tx_cmd; u8 bits_per_word; u8 bytes_per_word; @@ -748,8 +746,6 @@ static int dspi_transfer_one_message(struct spi_controller *ctlr, dspi->tx_cmd |= SPI_PUSHR_CMD_CONT; } - dspi->void_write_data = dspi->cur_chip->void_write_data; - dspi->tx = transfer->tx_buf; dspi->rx = transfer->rx_buf; dspi->rx_end = dspi->rx + transfer->len; @@ -820,7 +816,9 @@ out: static int dspi_setup(struct spi_device *spi) { struct fsl_dspi *dspi = spi_controller_get_devdata(spi->controller); + u32 period_ns = DIV_ROUND_UP(NSEC_PER_SEC, spi->max_speed_hz); unsigned char br = 0, pbr = 0, pcssck = 0, cssck = 0; + u32 quarter_period_ns = DIV_ROUND_UP(period_ns, 4); u32 cs_sck_delay = 0, sck_cs_delay = 0; struct fsl_dspi_platform_data *pdata; unsigned char pasc = 0, asc = 0; @@ -848,7 +846,18 @@ static int dspi_setup(struct spi_device *spi) sck_cs_delay = pdata->sck_cs_delay; } - chip->void_write_data = 0; + /* Since tCSC and tASC apply to continuous transfers too, avoid SCK + * glitches of half a cycle by never allowing tCSC + tASC to go below + * half a SCK period. + */ + if (cs_sck_delay < quarter_period_ns) + cs_sck_delay = quarter_period_ns; + if (sck_cs_delay < quarter_period_ns) + sck_cs_delay = quarter_period_ns; + + dev_dbg(&spi->dev, + "DSPI controller timing params: CS-to-SCK delay %u ns, SCK-to-CS delay %u ns\n", + cs_sck_delay, sck_cs_delay); clkrate = clk_get_rate(dspi->clk); hz_to_spi_baud(&pbr, &br, spi->max_speed_hz, clkrate); diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index 02b999d48ca1..8006759c1a0c 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -204,24 +204,6 @@ static int mspi_apply_cpu_mode_quirks(struct spi_mpc8xxx_cs *cs, return bits_per_word; } -static int mspi_apply_qe_mode_quirks(struct spi_mpc8xxx_cs *cs, - struct spi_device *spi, - int bits_per_word) -{ - /* QE uses Little Endian for words > 8 - * so transform all words > 8 into 8 bits - * Unfortnatly that doesn't work for LSB so - * reject these for now */ - /* Note: 32 bits word, LSB works iff - * tfcr/rfcr is set to CPMFCR_GBL */ - if (spi->mode & SPI_LSB_FIRST && - bits_per_word > 8) - return -EINVAL; - if (bits_per_word > 8) - return 8; /* pretend its 8 bits */ - return bits_per_word; -} - static int fsl_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t) { @@ -249,9 +231,6 @@ static int fsl_spi_setup_transfer(struct spi_device *spi, bits_per_word = mspi_apply_cpu_mode_quirks(cs, spi, mpc8xxx_spi, bits_per_word); - else if (mpc8xxx_spi->flags & SPI_QE) - bits_per_word = mspi_apply_qe_mode_quirks(cs, spi, - bits_per_word); if (bits_per_word < 0) return bits_per_word; @@ -369,14 +348,30 @@ static int fsl_spi_do_one_msg(struct spi_master *master, * In CPU mode, optimize large byte transfers to use larger * bits_per_word values to reduce number of interrupts taken. */ - if (!(mpc8xxx_spi->flags & SPI_CPM_MODE)) { - list_for_each_entry(t, &m->transfers, transfer_list) { + list_for_each_entry(t, &m->transfers, transfer_list) { + if (!(mpc8xxx_spi->flags & SPI_CPM_MODE)) { if (t->len < 256 || t->bits_per_word != 8) continue; if ((t->len & 3) == 0) t->bits_per_word = 32; else if ((t->len & 1) == 0) t->bits_per_word = 16; + } else { + /* + * CPM/QE uses Little Endian for words > 8 + * so transform 16 and 32 bits words into 8 bits + * Unfortnatly that doesn't work for LSB so + * reject these for now + * Note: 32 bits word, LSB works iff + * tfcr/rfcr is set to CPMFCR_GBL + */ + if (m->spi->mode & SPI_LSB_FIRST && t->bits_per_word > 8) + return -EINVAL; + if (t->bits_per_word == 16 || t->bits_per_word == 32) + t->bits_per_word = 8; /* pretend its 8 bits */ + if (t->bits_per_word == 8 && t->len >= 256 && + (mpc8xxx_spi->flags & SPI_CPM1)) + t->bits_per_word = 16; } } @@ -635,8 +630,14 @@ static struct spi_master * fsl_spi_probe(struct device *dev, if (mpc8xxx_spi->type == TYPE_GRLIB) fsl_spi_grlib_probe(dev); - master->bits_per_word_mask = - (SPI_BPW_RANGE_MASK(4, 16) | SPI_BPW_MASK(32)) & + if (mpc8xxx_spi->flags & SPI_CPM_MODE) + master->bits_per_word_mask = + (SPI_BPW_RANGE_MASK(4, 8) | SPI_BPW_MASK(16) | SPI_BPW_MASK(32)); + else + master->bits_per_word_mask = + (SPI_BPW_RANGE_MASK(4, 16) | SPI_BPW_MASK(32)); + + master->bits_per_word_mask &= SPI_BPW_RANGE_MASK(1, mpc8xxx_spi->max_bits_per_word); if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE) diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index 01b53d816497..ae1cbc321536 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -32,7 +32,7 @@ #define CS_DEMUX_OUTPUT_SEL GENMASK(3, 0) #define SE_SPI_TRANS_CFG 0x25c -#define CS_TOGGLE BIT(0) +#define CS_TOGGLE BIT(1) #define SE_SPI_WORD_LEN 0x268 #define WORD_LEN_MSK GENMASK(9, 0) diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 9d593675257e..67f31183c118 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -239,6 +239,18 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, return true; } +/* + * Note the number of natively supported chip selects for MX51 is 4. Some + * devices may have less actual SS pins but the register map supports 4. When + * using gpio chip selects the cs values passed into the macros below can go + * outside the range 0 - 3. We therefore need to limit the cs value to avoid + * corrupting bits outside the allocated locations. + * + * The simplest way to do this is to just mask the cs bits to 2 bits. This + * still allows all 4 native chip selects to work as well as gpio chip selects + * (which can use any of the 4 chip select configurations). + */ + #define MX51_ECSPI_CTRL 0x08 #define MX51_ECSPI_CTRL_ENABLE (1 << 0) #define MX51_ECSPI_CTRL_XCH (1 << 2) @@ -247,16 +259,16 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, #define MX51_ECSPI_CTRL_DRCTL(drctl) ((drctl) << 16) #define MX51_ECSPI_CTRL_POSTDIV_OFFSET 8 #define MX51_ECSPI_CTRL_PREDIV_OFFSET 12 -#define MX51_ECSPI_CTRL_CS(cs) ((cs) << 18) +#define MX51_ECSPI_CTRL_CS(cs) ((cs & 3) << 18) #define MX51_ECSPI_CTRL_BL_OFFSET 20 #define MX51_ECSPI_CTRL_BL_MASK (0xfff << 20) #define MX51_ECSPI_CONFIG 0x0c -#define MX51_ECSPI_CONFIG_SCLKPHA(cs) (1 << ((cs) + 0)) -#define MX51_ECSPI_CONFIG_SCLKPOL(cs) (1 << ((cs) + 4)) -#define MX51_ECSPI_CONFIG_SBBCTRL(cs) (1 << ((cs) + 8)) -#define MX51_ECSPI_CONFIG_SSBPOL(cs) (1 << ((cs) + 12)) -#define MX51_ECSPI_CONFIG_SCLKCTL(cs) (1 << ((cs) + 20)) +#define MX51_ECSPI_CONFIG_SCLKPHA(cs) (1 << ((cs & 3) + 0)) +#define MX51_ECSPI_CONFIG_SCLKPOL(cs) (1 << ((cs & 3) + 4)) +#define MX51_ECSPI_CONFIG_SBBCTRL(cs) (1 << ((cs & 3) + 8)) +#define MX51_ECSPI_CONFIG_SSBPOL(cs) (1 << ((cs & 3) + 12)) +#define MX51_ECSPI_CONFIG_SCLKCTL(cs) (1 << ((cs & 3) + 20)) #define MX51_ECSPI_INT 0x10 #define MX51_ECSPI_INT_TEEN (1 << 0) diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c index ead6c211047d..94aa51d91b06 100644 --- a/drivers/spi/spi-qup.c +++ b/drivers/spi/spi-qup.c @@ -1030,23 +1030,8 @@ static int spi_qup_probe(struct platform_device *pdev) return -ENXIO; } - ret = clk_prepare_enable(cclk); - if (ret) { - dev_err(dev, "cannot enable core clock\n"); - return ret; - } - - ret = clk_prepare_enable(iclk); - if (ret) { - clk_disable_unprepare(cclk); - dev_err(dev, "cannot enable iface clock\n"); - return ret; - } - master = spi_alloc_master(dev, sizeof(struct spi_qup)); if (!master) { - clk_disable_unprepare(cclk); - clk_disable_unprepare(iclk); dev_err(dev, "cannot allocate master\n"); return -ENOMEM; } @@ -1092,6 +1077,19 @@ static int spi_qup_probe(struct platform_device *pdev) spin_lock_init(&controller->lock); init_completion(&controller->done); + ret = clk_prepare_enable(cclk); + if (ret) { + dev_err(dev, "cannot enable core clock\n"); + goto error_dma; + } + + ret = clk_prepare_enable(iclk); + if (ret) { + clk_disable_unprepare(cclk); + dev_err(dev, "cannot enable iface clock\n"); + goto error_dma; + } + iomode = readl_relaxed(base + QUP_IO_M_MODES); size = QUP_IO_M_OUTPUT_BLOCK_SIZE(iomode); @@ -1121,7 +1119,7 @@ static int spi_qup_probe(struct platform_device *pdev) ret = spi_qup_set_state(controller, QUP_STATE_RESET); if (ret) { dev_err(dev, "cannot set RESET state\n"); - goto error_dma; + goto error_clk; } writel_relaxed(0, base + QUP_OPERATIONAL); @@ -1145,7 +1143,7 @@ static int spi_qup_probe(struct platform_device *pdev) ret = devm_request_irq(dev, irq, spi_qup_qup_irq, IRQF_TRIGGER_HIGH, pdev->name, controller); if (ret) - goto error_dma; + goto error_clk; pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC); pm_runtime_use_autosuspend(dev); @@ -1160,11 +1158,12 @@ static int spi_qup_probe(struct platform_device *pdev) disable_pm: pm_runtime_disable(&pdev->dev); +error_clk: + clk_disable_unprepare(cclk); + clk_disable_unprepare(iclk); error_dma: spi_qup_release_dma(master); error: - clk_disable_unprepare(cclk); - clk_disable_unprepare(iclk); spi_master_put(master); return ret; } @@ -1276,19 +1275,23 @@ static int spi_qup_remove(struct platform_device *pdev) struct spi_qup *controller = spi_master_get_devdata(master); int ret; - ret = pm_runtime_resume_and_get(&pdev->dev); - if (ret < 0) - return ret; + ret = pm_runtime_get_sync(&pdev->dev); - ret = spi_qup_set_state(controller, QUP_STATE_RESET); - if (ret) - return ret; + if (ret >= 0) { + ret = spi_qup_set_state(controller, QUP_STATE_RESET); + if (ret) + dev_warn(&pdev->dev, "failed to reset controller (%pe)\n", + ERR_PTR(ret)); + + clk_disable_unprepare(controller->cclk); + clk_disable_unprepare(controller->iclk); + } else { + dev_warn(&pdev->dev, "failed to resume, skip hw disable (%pe)\n", + ERR_PTR(ret)); + } spi_qup_release_dma(master); - clk_disable_unprepare(controller->cclk); - clk_disable_unprepare(controller->iclk); - pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index c1234b9a1377..0a645b764739 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -348,7 +348,8 @@ static int spmi_drv_remove(struct device *dev) const struct spmi_driver *sdrv = to_spmi_driver(dev->driver); pm_runtime_get_sync(dev); - sdrv->remove(to_spmi_device(dev)); + if (sdrv->remove) + sdrv->remove(to_spmi_device(dev)); pm_runtime_put_noidle(dev); pm_runtime_disable(dev); diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 3861cb659cb9..6c647ba4ba0b 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -119,7 +119,7 @@ void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, static enum ssb_clksrc chipco_pctl_get_slowclksrc(struct ssb_chipcommon *cc) { struct ssb_bus *bus = cc->dev->bus; - u32 uninitialized_var(tmp); + u32 tmp; if (cc->dev->id.revision < 6) { if (bus->bustype == SSB_BUSTYPE_SSB || @@ -149,7 +149,7 @@ static enum ssb_clksrc chipco_pctl_get_slowclksrc(struct ssb_chipcommon *cc) /* Get maximum or minimum (depending on get_max flag) slowclock frequency. */ static int chipco_pctl_clockfreqlimit(struct ssb_chipcommon *cc, int get_max) { - int uninitialized_var(limit); + int limit; enum ssb_clksrc clocksrc; int divisor = 1; u32 tmp; diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index ed404355ea4c..a00693c61870 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -101,7 +101,7 @@ struct ad2s1210_state { static const int ad2s1210_mode_vals[4][2] = { [MOD_POS] = { 0, 0 }, [MOD_VEL] = { 0, 1 }, - [MOD_CONFIG] = { 1, 0 }, + [MOD_CONFIG] = { 1, 1 }, }; static inline void ad2s1210_set_mode(enum ad2s1210_mode mode, diff --git a/drivers/staging/ks7010/ks_wlan_net.c b/drivers/staging/ks7010/ks_wlan_net.c index e61bd8e1d246..b565c26ca72f 100644 --- a/drivers/staging/ks7010/ks_wlan_net.c +++ b/drivers/staging/ks7010/ks_wlan_net.c @@ -1584,8 +1584,10 @@ static int ks_wlan_set_encode_ext(struct net_device *dev, commit |= SME_WEP_FLAG; } if (enc->key_len) { - memcpy(&key->key_val[0], &enc->key[0], enc->key_len); - key->key_len = enc->key_len; + int key_len = clamp_val(enc->key_len, 0, IW_ENCODING_TOKEN_MAX); + + memcpy(&key->key_val[0], &enc->key[0], key_len); + key->key_len = key_len; commit |= (SME_WEP_VAL1 << index); } break; diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c index bcbf0c8cd420..be377e75703b 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c @@ -767,6 +767,7 @@ static int _rtl92e_sta_up(struct net_device *dev, bool is_silent_reset) else netif_wake_queue(dev); + priv->bfirst_after_down = false; return 0; } diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 3403667a9592..ab2f0ceb1e23 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -4084,9 +4084,12 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn) list_for_each_entry_safe(cmd, cmd_tmp, &tmp_list, i_conn_node) { struct se_cmd *se_cmd = &cmd->se_cmd; - if (se_cmd->se_tfo != NULL) { - spin_lock_irq(&se_cmd->t_state_lock); - if (se_cmd->transport_state & CMD_T_ABORTED) { + if (!se_cmd->se_tfo) + continue; + + spin_lock_irq(&se_cmd->t_state_lock); + if (se_cmd->transport_state & CMD_T_ABORTED) { + if (!(se_cmd->transport_state & CMD_T_TAS)) /* * LIO's abort path owns the cleanup for this, * so put it back on the list and let @@ -4094,11 +4097,10 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn) */ list_move_tail(&cmd->i_conn_node, &conn->conn_cmd_list); - } else { - se_cmd->transport_state |= CMD_T_FABRIC_STOP; - } - spin_unlock_irq(&se_cmd->t_state_lock); + } else { + se_cmd->transport_state |= CMD_T_FABRIC_STOP; } + spin_unlock_irq(&se_cmd->t_state_lock); } spin_unlock_bh(&conn->cmd_lock); @@ -4383,6 +4385,9 @@ int iscsit_close_session(struct iscsi_session *sess) iscsit_stop_time2retain_timer(sess); spin_unlock_bh(&se_tpg->session_lock); + if (sess->sess_ops->ErrorRecoveryLevel == 2) + iscsit_free_connection_recovery_entries(sess); + /* * transport_deregister_session_configfs() will clear the * struct se_node_acl->nacl_sess pointer now as a iscsi_np process context @@ -4411,9 +4416,6 @@ int iscsit_close_session(struct iscsi_session *sess) transport_deregister_session(sess->se_sess); - if (sess->sess_ops->ErrorRecoveryLevel == 2) - iscsit_free_connection_recovery_entries(sess); - iscsit_free_all_ooo_cmdsns(sess); spin_lock_bh(&se_tpg->session_lock); diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index e32d93b92742..4017464a5909 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -1053,6 +1053,7 @@ int iscsi_target_locate_portal( iscsi_target_set_sock_callbacks(conn); login->np = np; + conn->tpg = NULL; login_req = (struct iscsi_login_req *) login->req; payload_length = ntoh24(login_req->dlength); @@ -1122,7 +1123,6 @@ int iscsi_target_locate_portal( */ sessiontype = strncmp(s_buf, DISCOVERY, 9); if (!sessiontype) { - conn->tpg = iscsit_global->discovery_tpg; if (!login->leading_connection) goto get_target; @@ -1139,9 +1139,11 @@ int iscsi_target_locate_portal( * Serialize access across the discovery struct iscsi_portal_group to * process login attempt. */ + conn->tpg = iscsit_global->discovery_tpg; if (iscsit_access_np(np, conn->tpg) < 0) { iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, ISCSI_LOGIN_STATUS_SVC_UNAVAILABLE); + conn->tpg = NULL; ret = -1; goto out; } diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c index 26581d2456c8..44ffa2b4c9fc 100644 --- a/drivers/tty/cyclades.c +++ b/drivers/tty/cyclades.c @@ -3643,7 +3643,7 @@ static int cy_pci_probe(struct pci_dev *pdev, struct cyclades_card *card; void __iomem *addr0 = NULL, *addr2 = NULL; char *card_name = NULL; - u32 uninitialized_var(mailbox); + u32 mailbox; unsigned int device_id, nchan = 0, card_no, i, j; unsigned char plx_ver; int retval, irq; diff --git a/drivers/tty/isicom.c b/drivers/tty/isicom.c index fc38f96475bf..3b2f9fb01aa0 100644 --- a/drivers/tty/isicom.c +++ b/drivers/tty/isicom.c @@ -1514,7 +1514,7 @@ static unsigned int card_count; static int isicom_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - unsigned int uninitialized_var(signature), index; + unsigned int signature, index; int retval = -EPERM; struct isi_board *board = NULL; diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index 33ad9d6de532..e50af46f8c19 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -305,6 +305,13 @@ extern int serial8250_rx_dma(struct uart_8250_port *); extern void serial8250_rx_dma_flush(struct uart_8250_port *); extern int serial8250_request_dma(struct uart_8250_port *); extern void serial8250_release_dma(struct uart_8250_port *); + +static inline bool serial8250_tx_dma_running(struct uart_8250_port *p) +{ + struct uart_8250_dma *dma = p->dma; + + return dma && dma->tx_running; +} #else static inline int serial8250_tx_dma(struct uart_8250_port *p) { @@ -320,6 +327,11 @@ static inline int serial8250_request_dma(struct uart_8250_port *p) return -1; } static inline void serial8250_release_dma(struct uart_8250_port *p) { } + +static inline bool serial8250_tx_dma_running(struct uart_8250_port *p) +{ + return false; +} #endif static inline int ns16550a_goto_highspeed(struct uart_8250_port *up) diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 2675771a03a0..d7afff1e7685 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -1138,6 +1138,7 @@ void serial8250_unregister_port(int line) uart->port.type = PORT_UNKNOWN; uart->port.dev = &serial8250_isa_devs->dev; uart->capabilities = 0; + serial8250_init_port(uart); serial8250_apply_quirks(uart); uart_add_one_port(&serial8250_reg, &uart->port); } else { diff --git a/drivers/tty/serial/8250/8250_dwlib.c b/drivers/tty/serial/8250/8250_dwlib.c index 6d6a78eead3e..1cf229cca592 100644 --- a/drivers/tty/serial/8250/8250_dwlib.c +++ b/drivers/tty/serial/8250/8250_dwlib.c @@ -80,7 +80,7 @@ static void dw8250_set_divisor(struct uart_port *p, unsigned int baud, void dw8250_setup_port(struct uart_port *p) { struct uart_8250_port *up = up_to_u8250p(p); - u32 reg; + u32 reg, old_dlf; /* * If the Component Version Register returns zero, we know that @@ -93,9 +93,11 @@ void dw8250_setup_port(struct uart_port *p) dev_dbg(p->dev, "Designware UART version %c.%c%c\n", (reg >> 24) & 0xff, (reg >> 16) & 0xff, (reg >> 8) & 0xff); + /* Preserve value written by firmware or bootloader */ + old_dlf = dw8250_readl_ext(p, DW_UART_DLF); dw8250_writel_ext(p, DW_UART_DLF, ~0U); reg = dw8250_readl_ext(p, DW_UART_DLF); - dw8250_writel_ext(p, DW_UART_DLF, 0); + dw8250_writel_ext(p, DW_UART_DLF, old_dlf); if (reg) { struct dw8250_port_data *d = p->private_data; diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 928b35b87dcf..a2db055278a1 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -1314,25 +1314,35 @@ static int omap8250_suspend(struct device *dev) { struct omap8250_priv *priv = dev_get_drvdata(dev); struct uart_8250_port *up = serial8250_get_port(priv->line); + int err; serial8250_suspend_port(priv->line); - pm_runtime_get_sync(dev); + err = pm_runtime_resume_and_get(dev); + if (err) + return err; if (!device_may_wakeup(dev)) priv->wer = 0; serial_out(up, UART_OMAP_WER, priv->wer); - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); - + err = pm_runtime_force_suspend(dev); flush_work(&priv->qos_work); - return 0; + + return err; } static int omap8250_resume(struct device *dev) { struct omap8250_priv *priv = dev_get_drvdata(dev); + int err; + err = pm_runtime_force_resume(dev); + if (err) + return err; serial8250_resume_port(priv->line); + /* Paired with pm_runtime_resume_and_get() in omap8250_suspend() */ + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + return 0; } #else diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 92e2ee278523..4a3991ac2dd0 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1837,6 +1837,8 @@ pci_moxa_setup(struct serial_private *priv, #define PCI_SUBDEVICE_ID_SIIG_DUAL_30 0x2530 #define PCI_VENDOR_ID_ADVANTECH 0x13fe #define PCI_DEVICE_ID_INTEL_CE4100_UART 0x2e66 +#define PCI_DEVICE_ID_ADVANTECH_PCI1600 0x1600 +#define PCI_DEVICE_ID_ADVANTECH_PCI1600_1611 0x1611 #define PCI_DEVICE_ID_ADVANTECH_PCI3620 0x3620 #define PCI_DEVICE_ID_ADVANTECH_PCI3618 0x3618 #define PCI_DEVICE_ID_ADVANTECH_PCIf618 0xf618 @@ -4157,6 +4159,9 @@ static SIMPLE_DEV_PM_OPS(pciserial_pm_ops, pciserial_suspend_one, pciserial_resume_one); static const struct pci_device_id serial_pci_tbl[] = { + { PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI1600, + PCI_DEVICE_ID_ADVANTECH_PCI1600_1611, PCI_ANY_ID, 0, 0, + pbn_b0_4_921600 }, /* Advantech use PCI_DEVICE_ID_ADVANTECH_PCI3620 (0x3620) as 'PCI_SUBVENDOR_ID' */ { PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI3620, PCI_DEVICE_ID_ADVANTECH_PCI3620, 0x0001, 0, 0, diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index b47335dfae16..274ba83496ee 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -1840,6 +1841,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir) unsigned char status; unsigned long flags; struct uart_8250_port *up = up_to_u8250p(port); + struct tty_port *tport = &port->state->port; bool skip_rx = false; if (iir & UART_IIR_NO_INT) @@ -1863,6 +1865,8 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir) skip_rx = true; if (status & (UART_LSR_DR | UART_LSR_BI) && !skip_rx) { + if (irqd_is_wakeup_set(irq_get_irq_data(port->irq))) + pm_wakeup_event(tport->tty->dev, 0); if (!up->dma || handle_rx_dma(up, iir)) status = serial8250_rx_chars(up, status); } @@ -1918,19 +1922,25 @@ static int serial8250_tx_threshold_handle_irq(struct uart_port *port) static unsigned int serial8250_tx_empty(struct uart_port *port) { struct uart_8250_port *up = up_to_u8250p(port); + unsigned int result = 0; unsigned long flags; unsigned int lsr; serial8250_rpm_get(up); spin_lock_irqsave(&port->lock, flags); - lsr = serial_port_in(port, UART_LSR); - up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; + if (!serial8250_tx_dma_running(up)) { + lsr = serial_port_in(port, UART_LSR); + up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; + + if ((lsr & BOTH_EMPTY) == BOTH_EMPTY) + result = TIOCSER_TEMT; + } spin_unlock_irqrestore(&port->lock, flags); serial8250_rpm_put(up); - return (lsr & BOTH_EMPTY) == BOTH_EMPTY ? TIOCSER_TEMT : 0; + return result; } unsigned int serial8250_do_get_mctrl(struct uart_port *port) diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c index d904a3a345e7..dd4be3c8c049 100644 --- a/drivers/tty/serial/arc_uart.c +++ b/drivers/tty/serial/arc_uart.c @@ -613,10 +613,11 @@ static int arc_serial_probe(struct platform_device *pdev) } uart->baud = val; - port->membase = of_iomap(np, 0); - if (!port->membase) + port->membase = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(port->membase)) { /* No point of dev_err since UART itself is hosed here */ - return -ENXIO; + return PTR_ERR(port->membase); + } port->irq = irq_of_parse_and_map(np, 0); diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 6c0628c58efd..8d0838c904c8 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -884,11 +884,11 @@ static void atmel_complete_tx_dma(void *arg) port->icount.tx += atmel_port->tx_len; - spin_lock_irq(&atmel_port->lock_tx); + spin_lock(&atmel_port->lock_tx); async_tx_ack(atmel_port->desc_tx); atmel_port->cookie_tx = -EINVAL; atmel_port->desc_tx = NULL; - spin_unlock_irq(&atmel_port->lock_tx); + spin_unlock(&atmel_port->lock_tx); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port); diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index b722ab941528..88c835796922 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1172,7 +1172,7 @@ static inline int lpuart_start_rx_dma(struct lpuart_port *sport) * 10ms at any baud rate. */ sport->rx_dma_rng_buf_len = (DMA_RX_TIMEOUT * baud / bits / 1000) * 2; - sport->rx_dma_rng_buf_len = (1 << (fls(sport->rx_dma_rng_buf_len) - 1)); + sport->rx_dma_rng_buf_len = (1 << fls(sport->rx_dma_rng_buf_len)); if (sport->rx_dma_rng_buf_len < 16) sport->rx_dma_rng_buf_len = 16; @@ -1376,34 +1376,36 @@ static void lpuart_break_ctl(struct uart_port *port, int break_state) static void lpuart32_break_ctl(struct uart_port *port, int break_state) { - unsigned long temp, modem; - struct tty_struct *tty; - unsigned int cflag = 0; + unsigned long temp; - tty = tty_port_tty_get(&port->state->port); - if (tty) { - cflag = tty->termios.c_cflag; - tty_kref_put(tty); - } - - temp = lpuart32_read(port, UARTCTRL) & ~UARTCTRL_SBK; - modem = lpuart32_read(port, UARTMODIR); + temp = lpuart32_read(port, UARTCTRL); + /* + * LPUART IP now has two known bugs, one is CTS has higher priority than the + * break signal, which causes the break signal sending through UARTCTRL_SBK + * may impacted by the CTS input if the HW flow control is enabled. It + * exists on all platforms we support in this driver. + * Another bug is i.MX8QM LPUART may have an additional break character + * being sent after SBK was cleared. + * To avoid above two bugs, we use Transmit Data Inversion function to send + * the break signal instead of UARTCTRL_SBK. + */ if (break_state != 0) { - temp |= UARTCTRL_SBK; /* - * LPUART CTS has higher priority than SBK, need to disable CTS before - * asserting SBK to avoid any interference if flow control is enabled. + * Disable the transmitter to prevent any data from being sent out + * during break, then invert the TX line to send break. */ - if (cflag & CRTSCTS && modem & UARTMODIR_TXCTSE) - lpuart32_write(port, modem & ~UARTMODIR_TXCTSE, UARTMODIR); + temp &= ~UARTCTRL_TE; + lpuart32_write(port, temp, UARTCTRL); + temp |= UARTCTRL_TXINV; + lpuart32_write(port, temp, UARTCTRL); } else { - /* Re-enable the CTS when break off. */ - if (cflag & CRTSCTS && !(modem & UARTMODIR_TXCTSE)) - lpuart32_write(port, modem | UARTMODIR_TXCTSE, UARTMODIR); + /* Disable the TXINV to turn off break and re-enable transmitter. */ + temp &= ~UARTCTRL_TXINV; + lpuart32_write(port, temp, UARTCTRL); + temp |= UARTCTRL_TE; + lpuart32_write(port, temp, UARTCTRL); } - - lpuart32_write(port, temp, UARTCTRL); } static void lpuart_setup_watermark(struct lpuart_port *sport) @@ -2407,6 +2409,7 @@ static int __init lpuart32_imx_early_console_setup(struct earlycon_device *devic OF_EARLYCON_DECLARE(lpuart, "fsl,vf610-lpuart", lpuart_early_console_setup); OF_EARLYCON_DECLARE(lpuart32, "fsl,ls1021a-lpuart", lpuart32_early_console_setup); OF_EARLYCON_DECLARE(lpuart32, "fsl,imx7ulp-lpuart", lpuart32_imx_early_console_setup); +OF_EARLYCON_DECLARE(lpuart32, "fsl,imx8ulp-lpuart", lpuart32_imx_early_console_setup); OF_EARLYCON_DECLARE(lpuart32, "fsl,imx8qxp-lpuart", lpuart32_imx_early_console_setup); EARLYCON_DECLARE(lpuart, lpuart_early_console_setup); EARLYCON_DECLARE(lpuart32, lpuart32_early_console_setup); diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c index fcbea43dc334..cf7fffe8396e 100644 --- a/drivers/tty/serial/lantiq.c +++ b/drivers/tty/serial/lantiq.c @@ -274,6 +274,7 @@ lqasc_err_int(int irq, void *_port) struct ltq_uart_port *ltq_port = to_ltq_uart_port(port); spin_lock_irqsave(<q_port->lock, flags); + __raw_writel(ASC_IRNCR_EIR, port->membase + LTQ_ASC_IRNCR); /* clear any pending interrupts */ asc_update_bits(0, ASCWHBSTATE_CLRPE | ASCWHBSTATE_CLRFE | ASCWHBSTATE_CLRROE, port->membase + LTQ_ASC_WHBSTATE); diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 4a509d5d2c84..11ff023bfad2 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -1320,8 +1320,12 @@ static unsigned int s3c24xx_serial_getclk(struct s3c24xx_uart_port *ourport, continue; rate = clk_get_rate(clk); - if (!rate) + if (!rate) { + dev_err(ourport->port.dev, + "Failed to get clock rate for %s.\n", clkname); + clk_put(clk); continue; + } if (ourport->info->has_divslot) { unsigned long div = rate / req_baud; @@ -1347,10 +1351,18 @@ static unsigned int s3c24xx_serial_getclk(struct s3c24xx_uart_port *ourport, calc_deviation = -calc_deviation; if (calc_deviation < deviation) { + /* + * If we find a better clk, release the previous one, if + * any. + */ + if (!IS_ERR(*best_clk)) + clk_put(*best_clk); *best_clk = clk; best_quot = quot; *clk_num = cnt; deviation = calc_deviation; + } else { + clk_put(clk); } } diff --git a/drivers/tty/serial/sifive.c b/drivers/tty/serial/sifive.c index 7015632c4990..e11756a8788b 100644 --- a/drivers/tty/serial/sifive.c +++ b/drivers/tty/serial/sifive.c @@ -821,7 +821,7 @@ static void sifive_serial_console_write(struct console *co, const char *s, local_irq_restore(flags); } -static int __init sifive_serial_console_setup(struct console *co, char *options) +static int sifive_serial_console_setup(struct console *co, char *options) { struct sifive_serial_port *ssp; int baud = SIFIVE_DEFAULT_BAUD_RATE; diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 37c46c65a65f..bb14bd4f6e55 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -876,13 +876,13 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count, return i; } -static void tty_write_unlock(struct tty_struct *tty) +void tty_write_unlock(struct tty_struct *tty) { mutex_unlock(&tty->atomic_write_lock); wake_up_interruptible_poll(&tty->write_wait, EPOLLOUT); } -static int tty_write_lock(struct tty_struct *tty, int ndelay) +int tty_write_lock(struct tty_struct *tty, int ndelay) { if (!mutex_trylock(&tty->atomic_write_lock)) { if (ndelay) diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 9245fffdbceb..5d833f0b412d 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -397,22 +397,43 @@ static int set_termios(struct tty_struct *tty, void __user *arg, int opt) tmp_termios.c_ispeed = tty_termios_input_baud_rate(&tmp_termios); tmp_termios.c_ospeed = tty_termios_baud_rate(&tmp_termios); - ld = tty_ldisc_ref(tty); + if (opt & (TERMIOS_FLUSH|TERMIOS_WAIT)) { +retry_write_wait: + retval = wait_event_interruptible(tty->write_wait, !tty_chars_in_buffer(tty)); + if (retval < 0) + return retval; - if (ld != NULL) { - if ((opt & TERMIOS_FLUSH) && ld->ops->flush_buffer) - ld->ops->flush_buffer(tty); - tty_ldisc_deref(ld); + if (tty_write_lock(tty, 0) < 0) + goto retry_write_wait; + + /* Racing writer? */ + if (tty_chars_in_buffer(tty)) { + tty_write_unlock(tty); + goto retry_write_wait; + } + + ld = tty_ldisc_ref(tty); + if (ld != NULL) { + if ((opt & TERMIOS_FLUSH) && ld->ops->flush_buffer) + ld->ops->flush_buffer(tty); + tty_ldisc_deref(ld); + } + + if ((opt & TERMIOS_WAIT) && tty->ops->wait_until_sent) { + tty->ops->wait_until_sent(tty, 0); + if (signal_pending(current)) { + tty_write_unlock(tty); + return -ERESTARTSYS; + } + } + + tty_set_termios(tty, &tmp_termios); + + tty_write_unlock(tty); + } else { + tty_set_termios(tty, &tmp_termios); } - if (opt & TERMIOS_WAIT) { - tty_wait_until_sent(tty, 0); - if (signal_pending(current)) - return -ERESTARTSYS; - } - - tty_set_termios(tty, &tmp_termios); - /* FIXME: Arguably if tmp_termios == tty->termios AND the actual requested termios was not tmp_termios then we may want to return an error as no user requested change has diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c index 90de3331e4a5..a6813e3393ec 100644 --- a/drivers/tty/vt/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -200,39 +200,47 @@ vcs_vc(struct inode *inode, int *viewed) return vc_cons[currcons].d; } -/* - * Returns size for VC carried by inode. +/** + * vcs_size -- return size for a VC in @vc + * @vc: which VC + * @attr: does it use attributes? + * @unicode: is it unicode? + * * Must be called with console_lock. */ -static int -vcs_size(struct inode *inode) +static int vcs_size(const struct vc_data *vc, bool attr, bool unicode) { int size; - struct vc_data *vc; WARN_CONSOLE_UNLOCKED(); - vc = vcs_vc(inode, NULL); - if (!vc) - return -ENXIO; - size = vc->vc_rows * vc->vc_cols; - if (use_attributes(inode)) { - if (use_unicode(inode)) + if (attr) { + if (unicode) return -EOPNOTSUPP; - size = 2*size + HEADER_SIZE; - } else if (use_unicode(inode)) + + size = 2 * size + HEADER_SIZE; + } else if (unicode) size *= 4; + return size; } static loff_t vcs_lseek(struct file *file, loff_t offset, int orig) { + struct inode *inode = file_inode(file); + struct vc_data *vc; int size; console_lock(); - size = vcs_size(file_inode(file)); + vc = vcs_vc(inode, NULL); + if (!vc) { + console_unlock(); + return -ENXIO; + } + + size = vcs_size(vc, use_attributes(inode), use_unicode(inode)); console_unlock(); if (size < 0) return size; @@ -294,7 +302,7 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) * as copy_to_user at the end of this loop * could sleep. */ - size = vcs_size(inode); + size = vcs_size(vc, attr, uni_mode); if (size < 0) { ret = size; break; @@ -476,7 +484,11 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) if (!vc) goto unlock_out; - size = vcs_size(inode); + size = vcs_size(vc, attr, false); + if (size < 0) { + ret = size; + goto unlock_out; + } ret = -EINVAL; if (pos < 0 || pos > size) goto unlock_out; @@ -511,11 +523,18 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) } } - /* The vcs_size might have changed while we slept to grab - * the user buffer, so recheck. + /* The vc might have been freed or vcs_size might have changed + * while we slept to grab the user buffer, so recheck. * Return data written up to now on failure. */ - size = vcs_size(inode); + vc = vcs_vc(inode, &viewed); + if (!vc) { + if (written) + break; + ret = -ENXIO; + goto unlock_out; + } + size = vcs_size(vc, attr, false); if (size < 0) { if (written) break; diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 7a86979cf140..27298ca083d1 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -1084,7 +1084,7 @@ static int ci_hdrc_probe(struct platform_device *pdev) ret = ci_usb_phy_init(ci); if (ret) { dev_err(dev, "unable to init phy: %d\n", ret); - return ret; + goto ulpi_exit; } ci->hw_bank.phys = res->start; diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 77b1802f829b..fdfa2da24287 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1898,6 +1898,8 @@ static int usbtmc_ioctl_request(struct usbtmc_device_data *data, if (request.req.wLength > USBTMC_BUFSIZE) return -EMSGSIZE; + if (request.req.wLength == 0) /* Length-0 requests are never IN */ + request.req.bRequestType &= ~USB_DIR_IN; is_in = request.req.bRequestType & USB_DIR_IN; diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c index ed204cbb63ea..67d00d0ef621 100644 --- a/drivers/usb/common/usb-conn-gpio.c +++ b/drivers/usb/common/usb-conn-gpio.c @@ -38,6 +38,7 @@ struct usb_conn_info { struct gpio_desc *vbus_gpiod; int id_irq; int vbus_irq; + bool initial_detection; }; /** @@ -82,11 +83,13 @@ static void usb_conn_detect_cable(struct work_struct *work) dev_dbg(info->dev, "role %d/%d, gpios: id %d, vbus %d\n", info->last_role, role, id, vbus); - if (info->last_role == role) { + if (!info->initial_detection && info->last_role == role) { dev_warn(info->dev, "repeated role: %d\n", role); return; } + info->initial_detection = false; + if (info->last_role == USB_ROLE_HOST) regulator_disable(info->vbus); @@ -206,6 +209,7 @@ static int usb_conn_probe(struct platform_device *pdev) platform_set_drvdata(pdev, info); /* Perform initial detection */ + info->initial_detection = true; usb_conn_queue_dwork(info, 0); return 0; diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index 6cf22c27f2d2..be8738750948 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -170,3 +170,44 @@ void hcd_buffer_free( } dma_free_coherent(hcd->self.sysdev, size, addr, dma); } + +void *hcd_buffer_alloc_pages(struct usb_hcd *hcd, + size_t size, gfp_t mem_flags, dma_addr_t *dma) +{ + if (size == 0) + return NULL; + + if (hcd->localmem_pool) + return gen_pool_dma_alloc_align(hcd->localmem_pool, + size, dma, PAGE_SIZE); + + /* some USB hosts just use PIO */ + if (!hcd_uses_dma(hcd)) { + *dma = DMA_MAPPING_ERROR; + return (void *)__get_free_pages(mem_flags, + get_order(size)); + } + + return dma_alloc_coherent(hcd->self.sysdev, + size, dma, mem_flags); +} + +void hcd_buffer_free_pages(struct usb_hcd *hcd, + size_t size, void *addr, dma_addr_t dma) +{ + if (!addr) + return; + + if (hcd->localmem_pool) { + gen_pool_free(hcd->localmem_pool, + (unsigned long)addr, size); + return; + } + + if (!hcd_uses_dma(hcd)) { + free_pages((unsigned long)addr, get_order(size)); + return; + } + + dma_free_coherent(hcd->self.sysdev, size, addr, dma); +} diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index d037deb95884..087ab2248855 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -173,6 +173,7 @@ static int connected(struct usb_dev_state *ps) static void dec_usb_memory_use_count(struct usb_memory *usbm, int *count) { struct usb_dev_state *ps = usbm->ps; + struct usb_hcd *hcd = bus_to_hcd(ps->dev->bus); unsigned long flags; spin_lock_irqsave(&ps->lock, flags); @@ -181,8 +182,8 @@ static void dec_usb_memory_use_count(struct usb_memory *usbm, int *count) list_del(&usbm->memlist); spin_unlock_irqrestore(&ps->lock, flags); - usb_free_coherent(ps->dev, usbm->size, usbm->mem, - usbm->dma_handle); + hcd_buffer_free_pages(hcd, usbm->size, + usbm->mem, usbm->dma_handle); usbfs_decrease_memory_usage( usbm->size + sizeof(struct usb_memory)); kfree(usbm); @@ -221,7 +222,7 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma) size_t size = vma->vm_end - vma->vm_start; void *mem; unsigned long flags; - dma_addr_t dma_handle; + dma_addr_t dma_handle = DMA_MAPPING_ERROR; int ret; ret = usbfs_increase_memory_usage(size + sizeof(struct usb_memory)); @@ -234,8 +235,8 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma) goto error_decrease_mem; } - mem = usb_alloc_coherent(ps->dev, size, GFP_USER | __GFP_NOWARN, - &dma_handle); + mem = hcd_buffer_alloc_pages(hcd, + size, GFP_USER | __GFP_NOWARN, &dma_handle); if (!mem) { ret = -ENOMEM; goto error_free_usbm; @@ -251,7 +252,14 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma) usbm->vma_use_count = 1; INIT_LIST_HEAD(&usbm->memlist); - if (hcd->localmem_pool || !hcd_uses_dma(hcd)) { + /* + * In DMA-unavailable cases, hcd_buffer_alloc_pages allocates + * normal pages and assigns DMA_MAPPING_ERROR to dma_handle. Check + * whether we are in such cases, and then use remap_pfn_range (or + * dma_mmap_coherent) to map normal (or DMA) pages into the user + * space, respectively. + */ + if (dma_handle == DMA_MAPPING_ERROR) { if (remap_pfn_range(vma, vma->vm_start, virt_to_phys(usbm->mem) >> PAGE_SHIFT, size, vma->vm_page_prot) < 0) { @@ -726,6 +734,7 @@ static int driver_resume(struct usb_interface *intf) return 0; } +#ifdef CONFIG_PM /* The following routines apply to the entire device, not interfaces */ void usbfs_notify_suspend(struct usb_device *udev) { @@ -744,6 +753,7 @@ void usbfs_notify_resume(struct usb_device *udev) } mutex_unlock(&usbfs_mutex); } +#endif struct usb_driver usbfs_driver = { .name = "usbfs", diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 0814472794e2..e5718a552438 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -440,6 +440,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* novation SoundControl XL */ { USB_DEVICE(0x1235, 0x0061), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Focusrite Scarlett Solo USB */ + { USB_DEVICE(0x1235, 0x8211), .driver_info = + USB_QUIRK_DISCONNECT_SUSPEND }, + /* Huawei 4G LTE module */ { USB_DEVICE(0x12d1, 0x15bb), .driver_info = USB_QUIRK_DISCONNECT_SUSPEND }, diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index f16c26dc079d..502d911f71fa 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -208,6 +208,82 @@ int usb_find_common_endpoints_reverse(struct usb_host_interface *alt, } EXPORT_SYMBOL_GPL(usb_find_common_endpoints_reverse); +/** + * usb_find_endpoint() - Given an endpoint address, search for the endpoint's + * usb_host_endpoint structure in an interface's current altsetting. + * @intf: the interface whose current altsetting should be searched + * @ep_addr: the endpoint address (number and direction) to find + * + * Search the altsetting's list of endpoints for one with the specified address. + * + * Return: Pointer to the usb_host_endpoint if found, %NULL otherwise. + */ +static const struct usb_host_endpoint *usb_find_endpoint( + const struct usb_interface *intf, unsigned int ep_addr) +{ + int n; + const struct usb_host_endpoint *ep; + + n = intf->cur_altsetting->desc.bNumEndpoints; + ep = intf->cur_altsetting->endpoint; + for (; n > 0; (--n, ++ep)) { + if (ep->desc.bEndpointAddress == ep_addr) + return ep; + } + return NULL; +} + +/** + * usb_check_bulk_endpoints - Check whether an interface's current altsetting + * contains a set of bulk endpoints with the given addresses. + * @intf: the interface whose current altsetting should be searched + * @ep_addrs: 0-terminated array of the endpoint addresses (number and + * direction) to look for + * + * Search for endpoints with the specified addresses and check their types. + * + * Return: %true if all the endpoints are found and are bulk, %false otherwise. + */ +bool usb_check_bulk_endpoints( + const struct usb_interface *intf, const u8 *ep_addrs) +{ + const struct usb_host_endpoint *ep; + + for (; *ep_addrs; ++ep_addrs) { + ep = usb_find_endpoint(intf, *ep_addrs); + if (!ep || !usb_endpoint_xfer_bulk(&ep->desc)) + return false; + } + return true; +} +EXPORT_SYMBOL_GPL(usb_check_bulk_endpoints); + +/** + * usb_check_int_endpoints - Check whether an interface's current altsetting + * contains a set of interrupt endpoints with the given addresses. + * @intf: the interface whose current altsetting should be searched + * @ep_addrs: 0-terminated array of the endpoint addresses (number and + * direction) to look for + * + * Search for endpoints with the specified addresses and check their types. + * + * Return: %true if all the endpoints are found and are interrupt, + * %false otherwise. + */ +bool usb_check_int_endpoints( + const struct usb_interface *intf, const u8 *ep_addrs) +{ + const struct usb_host_endpoint *ep; + + for (; *ep_addrs; ++ep_addrs) { + ep = usb_find_endpoint(intf, *ep_addrs); + if (!ep || !usb_endpoint_xfer_int(&ep->desc)) + return false; + } + return true; +} +EXPORT_SYMBOL_GPL(usb_check_int_endpoints); + /** * usb_find_alt_setting() - Given a configuration, find the alternate setting * for the given interface. diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 35e1b0bb0bd1..d75a55228626 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -286,9 +286,9 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) /* * We're resetting only the device side because, if we're in host mode, * XHCI driver will reset the host block. If dwc3 was configured for - * host-only mode, then we can return early. + * host-only mode or current role is host, then we can return early. */ - if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_HOST) + if (dwc->dr_mode == USB_DR_MODE_HOST || dwc->current_dr_role == DWC3_GCTL_PRTCAP_HOST) return 0; reg = dwc3_readl(dwc->regs, DWC3_DCTL); @@ -1097,22 +1097,6 @@ int dwc3_core_init(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GUCTL1, reg); } - if (dwc->dr_mode == USB_DR_MODE_HOST || - dwc->dr_mode == USB_DR_MODE_OTG) { - reg = dwc3_readl(dwc->regs, DWC3_GUCTL); - - /* - * Enable Auto retry Feature to make the controller operating in - * Host mode on seeing transaction errors(CRC errors or internal - * overrun scenerios) on IN transfers to reply to the device - * with a non-terminating retry ACK (i.e, an ACK transcation - * packet with Retry=1 & Nump != 0) - */ - reg |= DWC3_GUCTL_HSTINAUTORETRY; - - dwc3_writel(dwc->regs, DWC3_GUCTL, reg); - } - /* * Must config both number of packets and max burst settings to enable * RX and/or TX threshold. @@ -1805,7 +1789,6 @@ err2: err1: pm_runtime_allow(&pdev->dev); pm_runtime_disable(&pdev->dev); - clk_bulk_disable_unprepare(dwc->num_clks, dwc->clks); assert_reset: reset_control_assert(dwc->reset); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index c555ebb0b223..941a5e0b198f 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -267,9 +267,6 @@ #define DWC3_GCTL_GBLHIBERNATIONEN BIT(1) #define DWC3_GCTL_DSBLCLKGTNG BIT(0) -/* Global User Control Register */ -#define DWC3_GUCTL_HSTINAUTORETRY BIT(14) - /* Global User Control 1 Register */ #define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17) #define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS BIT(28) diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index fe0d800227ac..7c37e171aeb2 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -330,6 +330,11 @@ static int dwc3_lsp_show(struct seq_file *s, void *unused) unsigned int current_mode; unsigned long flags; u32 reg; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -353,6 +358,8 @@ static int dwc3_lsp_show(struct seq_file *s, void *unused) } spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -424,6 +431,11 @@ static int dwc3_mode_show(struct seq_file *s, void *unused) struct dwc3 *dwc = s->private; unsigned long flags; u32 reg; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -448,6 +460,8 @@ static int dwc3_mode_show(struct seq_file *s, void *unused) seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg)); } + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -499,6 +513,11 @@ static int dwc3_testmode_show(struct seq_file *s, void *unused) struct dwc3 *dwc = s->private; unsigned long flags; u32 reg; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -534,6 +553,8 @@ static int dwc3_testmode_show(struct seq_file *s, void *unused) seq_printf(s, "UNKNOWN %d\n", reg); } + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -549,7 +570,8 @@ static ssize_t dwc3_testmode_write(struct file *file, struct dwc3 *dwc = s->private; unsigned long flags; u32 testmode = 0; - char buf[32] = {}; + char buf[32]; + int ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -572,10 +594,16 @@ static ssize_t dwc3_testmode_write(struct file *file, else testmode = 0; + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; + spin_lock_irqsave(&dwc->lock, flags); dwc3_gadget_set_test_mode(dwc, testmode); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return count; } @@ -594,6 +622,11 @@ static int dwc3_link_state_show(struct seq_file *s, void *unused) enum dwc3_link_state state; u32 reg; u8 speed; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -605,6 +638,7 @@ static int dwc3_link_state_show(struct seq_file *s, void *unused) if (DWC3_GSTS_CURMOD(reg) != DWC3_GSTS_CURMOD_DEVICE) { seq_puts(s, "Not available\n"); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); return 0; } @@ -617,6 +651,8 @@ static int dwc3_link_state_show(struct seq_file *s, void *unused) dwc3_gadget_hs_link_string(state)); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -635,6 +671,7 @@ static ssize_t dwc3_link_state_write(struct file *file, char buf[32] = {}; u32 reg; u8 speed; + int ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -659,10 +696,15 @@ static ssize_t dwc3_link_state_write(struct file *file, else return -EINVAL; + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; + spin_lock_irqsave(&dwc->lock, flags); reg = dwc3_readl(dwc->regs, DWC3_GSTS); if (DWC3_GSTS_CURMOD(reg) != DWC3_GSTS_CURMOD_DEVICE) { spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); return -EINVAL; } @@ -672,12 +714,15 @@ static ssize_t dwc3_link_state_write(struct file *file, if (speed < DWC3_DSTS_SUPERSPEED && state != DWC3_LINK_STATE_RECOV) { spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); return -EINVAL; } dwc3_gadget_set_link_state(dwc, state); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return count; } @@ -743,6 +788,11 @@ static int dwc3_tx_fifo_size_show(struct seq_file *s, void *unused) struct dwc3 *dwc = dep->dwc; unsigned long flags; u32 val; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -758,6 +808,8 @@ static int dwc3_tx_fifo_size_show(struct seq_file *s, void *unused) seq_printf(s, "%u\n", val); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -767,6 +819,11 @@ static int dwc3_rx_fifo_size_show(struct seq_file *s, void *unused) struct dwc3 *dwc = dep->dwc; unsigned long flags; u32 val; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -782,6 +839,8 @@ static int dwc3_rx_fifo_size_show(struct seq_file *s, void *unused) seq_printf(s, "%u\n", val); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -791,12 +850,19 @@ static int dwc3_tx_request_queue_show(struct seq_file *s, void *unused) struct dwc3 *dwc = dep->dwc; unsigned long flags; u32 val; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; spin_lock_irqsave(&dwc->lock, flags); val = dwc3_core_fifo_space(dep, DWC3_TXREQQ); seq_printf(s, "%u\n", val); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -806,6 +872,11 @@ static int dwc3_rx_request_queue_show(struct seq_file *s, void *unused) struct dwc3 *dwc = dep->dwc; unsigned long flags; u32 val; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -817,6 +888,8 @@ static int dwc3_rx_request_queue_show(struct seq_file *s, void *unused) seq_printf(s, "%u\n", val); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -826,6 +899,11 @@ static int dwc3_rx_info_queue_show(struct seq_file *s, void *unused) struct dwc3 *dwc = dep->dwc; unsigned long flags; u32 val; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -837,6 +915,8 @@ static int dwc3_rx_info_queue_show(struct seq_file *s, void *unused) seq_printf(s, "%u\n", val); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -846,6 +926,11 @@ static int dwc3_descriptor_fetch_queue_show(struct seq_file *s, void *unused) struct dwc3 *dwc = dep->dwc; unsigned long flags; u32 val; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -857,6 +942,8 @@ static int dwc3_descriptor_fetch_queue_show(struct seq_file *s, void *unused) seq_printf(s, "%u\n", val); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -866,6 +953,11 @@ static int dwc3_event_queue_show(struct seq_file *s, void *unused) struct dwc3 *dwc = dep->dwc; unsigned long flags; u32 val; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -877,6 +969,8 @@ static int dwc3_event_queue_show(struct seq_file *s, void *unused) seq_printf(s, "%u\n", val); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -922,6 +1016,11 @@ static int dwc3_trb_ring_show(struct seq_file *s, void *unused) struct dwc3 *dwc = dep->dwc; unsigned long flags; int i; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; spin_lock_irqsave(&dwc->lock, flags); if (dep->number <= 1) { @@ -951,6 +1050,8 @@ static int dwc3_trb_ring_show(struct seq_file *s, void *unused) out: spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -963,6 +1064,11 @@ static int dwc3_ep_info_register_show(struct seq_file *s, void *unused) u32 lower_32_bits; u32 upper_32_bits; u32 reg; + int ret; + + ret = pm_runtime_resume_and_get(dwc->dev); + if (ret < 0) + return ret; if (atomic_read(&dwc->in_lpm)) { seq_puts(s, "USB device is powered off\n"); @@ -980,6 +1086,8 @@ static int dwc3_ep_info_register_show(struct seq_file *s, void *unused) seq_printf(s, "0x%016llx\n", ep_info); spin_unlock_irqrestore(&dwc->lock, flags); + pm_runtime_put_sync(dwc->dev); + return 0; } @@ -1272,6 +1380,7 @@ void dwc3_debugfs_init(struct dwc3 *dwc) dwc->regset->regs = dwc3_regs; dwc->regset->nregs = ARRAY_SIZE(dwc3_regs); dwc->regset->base = dwc->regs - DWC3_GLOBALS_REGS_START; + dwc->regset->dev = dwc->dev; root = debugfs_create_dir(dev_name(dwc->dev), NULL); if (!root) { diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 955bf820f410..8d4f1b13f415 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -171,10 +171,12 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc) /* * A lot of BYT devices lack ACPI resource entries for - * the GPIOs, add a fallback mapping to the reference + * the GPIOs. If the ACPI entry for the GPIO controller + * is present add a fallback mapping to the reference * design GPIOs which all boards seem to use. */ - gpiod_add_lookup_table(&platform_bytcr_gpios); + if (acpi_dev_present("INT33FC", NULL, -1)) + gpiod_add_lookup_table(&platform_bytcr_gpios); /* * These GPIOs will turn on the USB2 PHY. Note that we have to diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index a04c21847b8f..57f2034de596 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -600,6 +600,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct dwc3_qcom *qcom; struct resource *res, *parent_res = NULL; + struct resource local_res; int ret, i; bool ignore_pipe_clk; @@ -650,9 +651,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev) if (np) { parent_res = res; } else { - parent_res = kmemdup(res, sizeof(struct resource), GFP_KERNEL); - if (!parent_res) - return -ENOMEM; + memcpy(&local_res, res, sizeof(struct resource)); + parent_res = &local_res; parent_res->start = res->start + qcom->acpi_pdata->qscratch_base_offset; @@ -733,10 +733,14 @@ reset_assert: static int dwc3_qcom_remove(struct platform_device *pdev) { struct dwc3_qcom *qcom = platform_get_drvdata(pdev); + struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; int i; - of_platform_depopulate(dev); + if (np) + of_platform_depopulate(&pdev->dev); + else + platform_device_put(pdev); for (i = qcom->num_clocks - 1; i >= 0; i--) { clk_disable_unprepare(qcom->clks[i]); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index a8caaab0eb52..3f55565cda18 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -276,6 +276,7 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep, list_del(&req->list); req->remaining = 0; req->needs_extra_trb = false; + req->num_trbs = 0; if (req->request.status == -EINPROGRESS) req->request.status = status; @@ -4575,6 +4576,8 @@ void dwc3_gadget_process_pending_events(struct dwc3 *dwc) { if (dwc->pending_events) { dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf); + dwc3_thread_interrupt(dwc->irq_gadget, dwc->ev_buf); + pm_runtime_put(dwc->dev); dwc->pending_events = false; enable_irq(dwc->irq_gadget); } diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index aa83daa4b4de..55b94532c43a 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -3969,6 +3969,7 @@ static void ffs_func_unbind(struct usb_configuration *c, /* Drain any pending AIO completions */ drain_workqueue(ffs->io_completion_wq); + ffs_event_add(ffs, FUNCTIONFS_UNBIND); if (!--opts->refcnt) functionfs_unbind(ffs); diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index 413f8c6c71d4..e11673599e55 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -17,6 +17,8 @@ #include #include #include +#include +#include #include "u_ether.h" @@ -102,41 +104,6 @@ static inline int qlen(struct usb_gadget *gadget, unsigned qmult) /*-------------------------------------------------------------------------*/ -/* REVISIT there must be a better way than having two sets - * of debug calls ... - */ - -#undef DBG -#undef VDBG -#undef ERROR -#undef INFO - -#define xprintk(d, level, fmt, args...) \ - printk(level "%s: " fmt , (d)->net->name , ## args) - -#ifdef DEBUG -#undef DEBUG -#define DBG(dev, fmt, args...) \ - xprintk(dev , KERN_DEBUG , fmt , ## args) -#else -#define DBG(dev, fmt, args...) \ - do { } while (0) -#endif /* DEBUG */ - -#ifdef VERBOSE_DEBUG -#define VDBG DBG -#else -#define VDBG(dev, fmt, args...) \ - do { } while (0) -#endif /* DEBUG */ - -#define ERROR(dev, fmt, args...) \ - xprintk(dev , KERN_ERR , fmt , ## args) -#define INFO(dev, fmt, args...) \ - xprintk(dev , KERN_INFO , fmt , ## args) - -/*-------------------------------------------------------------------------*/ - /* NETWORK DRIVER HOOKUP (to the layer above this driver) */ static void eth_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *p) @@ -977,6 +944,8 @@ int gether_get_host_addr_cdc(struct net_device *net, char *host_addr, int len) dev = netdev_priv(net); snprintf(host_addr, len, "%pm", dev->host_mac); + string_upper(host_addr, host_addr); + return strlen(host_addr); } EXPORT_SYMBOL_GPL(gether_get_host_addr_cdc); diff --git a/drivers/usb/gadget/udc/amd5536udc_pci.c b/drivers/usb/gadget/udc/amd5536udc_pci.c index 362284057d30..a3d15c3fb82a 100644 --- a/drivers/usb/gadget/udc/amd5536udc_pci.c +++ b/drivers/usb/gadget/udc/amd5536udc_pci.c @@ -171,6 +171,9 @@ static int udc_pci_probe( retval = -ENODEV; goto err_probe; } + + udc = dev; + return 0; err_probe: diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 0bbd180022aa..e04acf2dfa65 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -2553,6 +2553,7 @@ static int renesas_usb3_remove(struct platform_device *pdev) debugfs_remove_recursive(usb3->dentry); device_remove_file(&pdev->dev, &dev_attr_role); + cancel_work_sync(&usb3->role_work); usb_role_switch_unregister(usb3->role_sw); usb_del_gadget_udc(&usb3->gadget); diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index fc35a7993b7b..4374dba4e384 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -645,7 +645,13 @@ ohci_hcd_at91_drv_resume(struct device *dev) at91_start_clock(ohci_at91); - ohci_resume(hcd, false); + /* + * According to the comment in ohci_hcd_at91_drv_suspend() + * we need to do a reset if the 48Mhz clock was stopped, + * that is, if ohci_at91->wakeup is clear. Tell ohci_resume() + * to reset in this case by setting its "hibernated" flag. + */ + ohci_resume(hcd, !ohci_at91->wakeup); ohci_at91_port_suspend(ohci_at91->sfr_regmap, 0); diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c index 0fa3d72bae26..79a6f1442160 100644 --- a/drivers/usb/host/uhci-pci.c +++ b/drivers/usb/host/uhci-pci.c @@ -119,11 +119,13 @@ static int uhci_pci_init(struct usb_hcd *hcd) uhci->rh_numports = uhci_count_ports(hcd); - /* Intel controllers report the OverCurrent bit active on. - * VIA controllers report it active off, so we'll adjust the - * bit value. (It's not standardized in the UHCI spec.) + /* + * Intel controllers report the OverCurrent bit active on. VIA + * and ZHAOXIN controllers report it active off, so we'll adjust + * the bit value. (It's not standardized in the UHCI spec.) */ - if (to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_VIA) + if (to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_VIA || + to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_ZHAOXIN) uhci->oc_low = 1; /* HP's server management chip requires a longer port reset delay. */ diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c index f5c8e4eb62ae..dc332f5800ad 100644 --- a/drivers/usb/host/xhci-debugfs.c +++ b/drivers/usb/host/xhci-debugfs.c @@ -132,6 +132,7 @@ static void xhci_debugfs_regset(struct xhci_hcd *xhci, u32 base, regset->regs = regs; regset->nregs = nregs; regset->base = hcd->regs + base; + regset->dev = hcd->self.controller; debugfs_create_regset32((const char *)rgs->name, 0444, parent, regset); } diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index 5c0eb35cd007..c56c6a0d6222 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -540,6 +540,7 @@ static int xhci_mtk_probe(struct platform_device *pdev) } device_init_wakeup(dev, true); + dma_set_max_seg_size(dev, UINT_MAX); xhci = hcd_to_xhci(hcd); xhci->main_hcd = hcd; diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index 3da75b367f95..5d7835299245 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -74,7 +74,6 @@ MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V3); /* For soc_device_attribute */ #define RCAR_XHCI_FIRMWARE_V2 BIT(0) /* FIRMWARE V2 */ -#define RCAR_XHCI_FIRMWARE_V3 BIT(1) /* FIRMWARE V3 */ static const struct soc_device_attribute rcar_quirks_match[] = { { @@ -147,8 +146,6 @@ static int xhci_rcar_download_firmware(struct usb_hcd *hcd) if (quirks & RCAR_XHCI_FIRMWARE_V2) firmware_name = XHCI_RCAR_FIRMWARE_NAME_V2; - else if (quirks & RCAR_XHCI_FIRMWARE_V3) - firmware_name = XHCI_RCAR_FIRMWARE_NAME_V3; else firmware_name = priv->firmware_name; diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index d53bdb7d297f..6087b1fa530f 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -933,15 +933,15 @@ static int tegra_xusb_powerdomain_init(struct device *dev, int err; tegra->genpd_dev_host = dev_pm_domain_attach_by_name(dev, "xusb_host"); - if (IS_ERR_OR_NULL(tegra->genpd_dev_host)) { - err = PTR_ERR(tegra->genpd_dev_host) ? : -ENODATA; + if (IS_ERR(tegra->genpd_dev_host)) { + err = PTR_ERR(tegra->genpd_dev_host); dev_err(dev, "failed to get host pm-domain: %d\n", err); return err; } tegra->genpd_dev_ss = dev_pm_domain_attach_by_name(dev, "xusb_ss"); - if (IS_ERR_OR_NULL(tegra->genpd_dev_ss)) { - err = PTR_ERR(tegra->genpd_dev_ss) ? : -ENODATA; + if (IS_ERR(tegra->genpd_dev_ss)) { + err = PTR_ERR(tegra->genpd_dev_ss); dev_err(dev, "failed to get superspeed pm-domain: %d\n", err); return err; } diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 0734e6dd9386..d242b73cfdb2 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -3014,6 +3014,20 @@ static int sisusb_probe(struct usb_interface *intf, struct usb_device *dev = interface_to_usbdev(intf); struct sisusb_usb_data *sisusb; int retval = 0, i; + static const u8 ep_addresses[] = { + SISUSB_EP_GFX_IN | USB_DIR_IN, + SISUSB_EP_GFX_OUT | USB_DIR_OUT, + SISUSB_EP_GFX_BULK_OUT | USB_DIR_OUT, + SISUSB_EP_GFX_LBULK_OUT | USB_DIR_OUT, + SISUSB_EP_BRIDGE_IN | USB_DIR_IN, + SISUSB_EP_BRIDGE_OUT | USB_DIR_OUT, + 0}; + + /* Are the expected endpoints present? */ + if (!usb_check_bulk_endpoints(intf, ep_addresses)) { + dev_err(&intf->dev, "Invalid USB2VGA device\n"); + return -EINVAL; + } dev_info(&dev->dev, "USB2VGA dongle found at address %d\n", dev->devnum); diff --git a/drivers/usb/mtu3/mtu3_qmu.c b/drivers/usb/mtu3/mtu3_qmu.c index 2ea3157ddb6e..e65586147965 100644 --- a/drivers/usb/mtu3/mtu3_qmu.c +++ b/drivers/usb/mtu3/mtu3_qmu.c @@ -210,6 +210,7 @@ static struct qmu_gpd *advance_enq_gpd(struct mtu3_gpd_ring *ring) return ring->enqueue; } +/* @dequeue may be NULL if ring is unallocated or freed */ static struct qmu_gpd *advance_deq_gpd(struct mtu3_gpd_ring *ring) { if (ring->dequeue < ring->end) @@ -484,7 +485,7 @@ static void qmu_done_tx(struct mtu3 *mtu, u8 epnum) dev_dbg(mtu->dev, "%s EP%d, last=%p, current=%p, enq=%p\n", __func__, epnum, gpd, gpd_current, ring->enqueue); - while (gpd != gpd_current && !GET_GPD_HWO(gpd)) { + while (gpd && gpd != gpd_current && !GET_GPD_HWO(gpd)) { mreq = next_request(mep); @@ -523,7 +524,7 @@ static void qmu_done_rx(struct mtu3 *mtu, u8 epnum) dev_dbg(mtu->dev, "%s EP%d, last=%p, current=%p, enq=%p\n", __func__, epnum, gpd, gpd_current, ring->enqueue); - while (gpd != gpd_current && !GET_GPD_HWO(gpd)) { + while (gpd && gpd != gpd_current && !GET_GPD_HWO(gpd)) { mreq = next_request(mep); diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index b4d6d9bb3239..c545b27ea568 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -1146,7 +1146,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) struct musb_hw_ep *hw_ep = NULL; u32 rx, tx; int i, index; - unsigned long uninitialized_var(flags); + unsigned long flags; cppi = container_of(musb->dma_controller, struct cppi, controller); if (cppi->irq) diff --git a/drivers/usb/phy/phy-tahvo.c b/drivers/usb/phy/phy-tahvo.c index a3e043e3e4aa..d0672b671298 100644 --- a/drivers/usb/phy/phy-tahvo.c +++ b/drivers/usb/phy/phy-tahvo.c @@ -395,7 +395,7 @@ static int tahvo_usb_probe(struct platform_device *pdev) tu->irq = ret = platform_get_irq(pdev, 0); if (ret < 0) - return ret; + goto err_remove_phy; ret = request_threaded_irq(tu->irq, NULL, tahvo_usb_vbus_interrupt, IRQF_ONESHOT, "tahvo-vbus", tu); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index e51ed6b45a47..7ab6205ad50c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -248,7 +248,10 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_VENDOR_ID 0x2c7c /* These Quectel products use Quectel's vendor ID */ #define QUECTEL_PRODUCT_EC21 0x0121 +#define QUECTEL_PRODUCT_EM061K_LTA 0x0123 +#define QUECTEL_PRODUCT_EM061K_LMS 0x0124 #define QUECTEL_PRODUCT_EC25 0x0125 +#define QUECTEL_PRODUCT_EM060K_128 0x0128 #define QUECTEL_PRODUCT_EG91 0x0191 #define QUECTEL_PRODUCT_EG95 0x0195 #define QUECTEL_PRODUCT_BG96 0x0296 @@ -266,6 +269,9 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_RM520N 0x0801 #define QUECTEL_PRODUCT_EC200U 0x0901 #define QUECTEL_PRODUCT_EC200S_CN 0x6002 +#define QUECTEL_PRODUCT_EC200A 0x6005 +#define QUECTEL_PRODUCT_EM061K_LWW 0x6008 +#define QUECTEL_PRODUCT_EM061K_LCN 0x6009 #define QUECTEL_PRODUCT_EC200T 0x6026 #define QUECTEL_PRODUCT_RM500K 0x7001 @@ -595,6 +601,11 @@ static void option_instat_callback(struct urb *urb); #define SIERRA_VENDOR_ID 0x1199 #define SIERRA_PRODUCT_EM9191 0x90d3 +/* UNISOC (Spreadtrum) products */ +#define UNISOC_VENDOR_ID 0x1782 +/* TOZED LT70-C based on UNISOC SL8563 uses UNISOC's vendor ID */ +#define TOZED_PRODUCT_LT70C 0x4055 + /* Device flags */ /* Highest interface number which can be used with NCTRL() and RSVD() */ @@ -1142,6 +1153,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x90fa), .driver_info = RSVD(3) }, /* u-blox products */ + { USB_DEVICE(UBLOX_VENDOR_ID, 0x1311) }, /* u-blox LARA-R6 01B */ + { USB_DEVICE(UBLOX_VENDOR_ID, 0x1312), /* u-blox LARA-R6 01B (RMNET) */ + .driver_info = RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(UBLOX_VENDOR_ID, 0x1313, 0xff) }, /* u-blox LARA-R6 01B (ECM) */ { USB_DEVICE(UBLOX_VENDOR_ID, 0x1341) }, /* u-blox LARA-L6 */ { USB_DEVICE(UBLOX_VENDOR_ID, 0x1342), /* u-blox LARA-L6 (RMNET) */ .driver_info = RSVD(4) }, @@ -1184,6 +1199,21 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K, 0xff, 0x00, 0x40) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K, 0xff, 0xff, 0x30) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LMS, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LMS, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LMS, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LTA, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LTA, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LTA, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LWW, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LWW, 0xff, 0x00, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LWW, 0xff, 0xff, 0x40) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff), .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) }, @@ -1200,6 +1230,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM520N, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, 0x0900, 0xff, 0, 0), /* RM500U-CN */ .driver_info = ZLP }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200A, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200U, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, @@ -2225,6 +2256,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) }, { USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) }, { USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index 4c6747889a19..24b8772a345e 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -38,16 +38,6 @@ static struct usb_serial_driver vendor##_device = { \ { USB_DEVICE(0x0a21, 0x8001) } /* MMT-7305WW */ DEVICE(carelink, CARELINK_IDS); -/* ZIO Motherboard USB driver */ -#define ZIO_IDS() \ - { USB_DEVICE(0x1CBE, 0x0103) } -DEVICE(zio, ZIO_IDS); - -/* Funsoft Serial USB driver */ -#define FUNSOFT_IDS() \ - { USB_DEVICE(0x1404, 0xcddc) } -DEVICE(funsoft, FUNSOFT_IDS); - /* Infineon Flashloader driver */ #define FLASHLOADER_IDS() \ { USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \ @@ -55,6 +45,11 @@ DEVICE(funsoft, FUNSOFT_IDS); { USB_DEVICE(0x8087, 0x0801) } DEVICE(flashloader, FLASHLOADER_IDS); +/* Funsoft Serial USB driver */ +#define FUNSOFT_IDS() \ + { USB_DEVICE(0x1404, 0xcddc) } +DEVICE(funsoft, FUNSOFT_IDS); + /* Google Serial USB SubClass */ #define GOOGLE_IDS() \ { USB_VENDOR_AND_INTERFACE_INFO(0x18d1, \ @@ -63,16 +58,21 @@ DEVICE(flashloader, FLASHLOADER_IDS); 0x01) } DEVICE(google, GOOGLE_IDS); +/* HP4x (48/49) Generic Serial driver */ +#define HP4X_IDS() \ + { USB_DEVICE(0x03f0, 0x0121) } +DEVICE(hp4x, HP4X_IDS); + +/* KAUFMANN RKS+CAN VCP */ +#define KAUFMANN_IDS() \ + { USB_DEVICE(0x16d0, 0x0870) } +DEVICE(kaufmann, KAUFMANN_IDS); + /* Libtransistor USB console */ #define LIBTRANSISTOR_IDS() \ { USB_DEVICE(0x1209, 0x8b00) } DEVICE(libtransistor, LIBTRANSISTOR_IDS); -/* ViVOpay USB Serial Driver */ -#define VIVOPAY_IDS() \ - { USB_DEVICE(0x1d5f, 0x1004) } /* ViVOpay 8800 */ -DEVICE(vivopay, VIVOPAY_IDS); - /* Motorola USB Phone driver */ #define MOTO_IDS() \ { USB_DEVICE(0x05c6, 0x3197) }, /* unknown Motorola phone */ \ @@ -101,10 +101,10 @@ DEVICE(nokia, NOKIA_IDS); { USB_DEVICE(0x09d7, 0x0100) } /* NovAtel FlexPack GPS */ DEVICE_N(novatel_gps, NOVATEL_IDS, 3); -/* HP4x (48/49) Generic Serial driver */ -#define HP4X_IDS() \ - { USB_DEVICE(0x03f0, 0x0121) } -DEVICE(hp4x, HP4X_IDS); +/* Siemens USB/MPI adapter */ +#define SIEMENS_IDS() \ + { USB_DEVICE(0x908, 0x0004) } +DEVICE(siemens_mpi, SIEMENS_IDS); /* Suunto ANT+ USB Driver */ #define SUUNTO_IDS() \ @@ -112,45 +112,52 @@ DEVICE(hp4x, HP4X_IDS); { USB_DEVICE(0x0fcf, 0x1009) } /* Dynastream ANT USB-m Stick */ DEVICE(suunto, SUUNTO_IDS); -/* Siemens USB/MPI adapter */ -#define SIEMENS_IDS() \ - { USB_DEVICE(0x908, 0x0004) } -DEVICE(siemens_mpi, SIEMENS_IDS); +/* ViVOpay USB Serial Driver */ +#define VIVOPAY_IDS() \ + { USB_DEVICE(0x1d5f, 0x1004) } /* ViVOpay 8800 */ +DEVICE(vivopay, VIVOPAY_IDS); + +/* ZIO Motherboard USB driver */ +#define ZIO_IDS() \ + { USB_DEVICE(0x1CBE, 0x0103) } +DEVICE(zio, ZIO_IDS); /* All of the above structures mushed into two lists */ static struct usb_serial_driver * const serial_drivers[] = { &carelink_device, - &zio_device, - &funsoft_device, &flashloader_device, + &funsoft_device, &google_device, + &hp4x_device, + &kaufmann_device, &libtransistor_device, - &vivopay_device, &moto_modem_device, &motorola_tetra_device, &nokia_device, &novatel_gps_device, - &hp4x_device, - &suunto_device, &siemens_mpi_device, + &suunto_device, + &vivopay_device, + &zio_device, NULL }; static const struct usb_device_id id_table[] = { CARELINK_IDS(), - ZIO_IDS(), - FUNSOFT_IDS(), FLASHLOADER_IDS(), + FUNSOFT_IDS(), GOOGLE_IDS(), + HP4X_IDS(), + KAUFMANN_IDS(), LIBTRANSISTOR_IDS(), - VIVOPAY_IDS(), MOTO_IDS(), MOTOROLA_TETRA_IDS(), NOKIA_IDS(), NOVATEL_IDS(), - HP4X_IDS(), - SUUNTO_IDS(), SIEMENS_IDS(), + SUUNTO_IDS(), + VIVOPAY_IDS(), + ZIO_IDS(), { }, }; MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c index de62421d9670..dcc4778d1ae9 100644 --- a/drivers/usb/storage/alauda.c +++ b/drivers/usb/storage/alauda.c @@ -318,7 +318,8 @@ static int alauda_get_media_status(struct us_data *us, unsigned char *data) rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe, command, 0xc0, 0, 1, data, 2); - usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]); + if (rc == USB_STOR_XFER_GOOD) + usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]); return rc; } @@ -454,10 +455,14 @@ static int alauda_init_media(struct us_data *us) static int alauda_check_media(struct us_data *us) { struct alauda_info *info = (struct alauda_info *) us->extra; - unsigned char status[2]; + unsigned char *status = us->iobuf; int rc; rc = alauda_get_media_status(us, status); + if (rc != USB_STOR_XFER_GOOD) { + status[0] = 0xF0; /* Pretend there's no media */ + status[1] = 0; + } /* Check for no media or door open */ if ((status[0] & 0x80) || ((status[0] & 0x1F) == 0x10) diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 2adcabe060c5..49d17988e2ce 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -407,22 +407,25 @@ static DEF_SCSI_QCMD(queuecommand) ***********************************************************************/ /* Command timeout and abort */ -static int command_abort(struct scsi_cmnd *srb) +static int command_abort_matching(struct us_data *us, struct scsi_cmnd *srb_match) { - struct us_data *us = host_to_us(srb->device->host); - - usb_stor_dbg(us, "%s called\n", __func__); - /* * us->srb together with the TIMED_OUT, RESETTING, and ABORTING * bits are protected by the host lock. */ scsi_lock(us_to_host(us)); - /* Is this command still active? */ - if (us->srb != srb) { + /* is there any active pending command to abort ? */ + if (!us->srb) { scsi_unlock(us_to_host(us)); usb_stor_dbg(us, "-- nothing to abort\n"); + return SUCCESS; + } + + /* Does the command match the passed srb if any ? */ + if (srb_match && us->srb != srb_match) { + scsi_unlock(us_to_host(us)); + usb_stor_dbg(us, "-- pending command mismatch\n"); return FAILED; } @@ -445,6 +448,14 @@ static int command_abort(struct scsi_cmnd *srb) return SUCCESS; } +static int command_abort(struct scsi_cmnd *srb) +{ + struct us_data *us = host_to_us(srb->device->host); + + usb_stor_dbg(us, "%s called\n", __func__); + return command_abort_matching(us, srb); +} + /* * This invokes the transport reset mechanism to reset the state of the * device @@ -456,6 +467,9 @@ static int device_reset(struct scsi_cmnd *srb) usb_stor_dbg(us, "%s called\n", __func__); + /* abort any pending command before reset */ + command_abort_matching(us, NULL); + /* lock the device pointers and do the reset */ mutex_lock(&(us->dev_mutex)); result = us->transport_reset(us); diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c index ba955d65eb0e..c8a988d2cfdd 100644 --- a/drivers/usb/storage/sddr55.c +++ b/drivers/usb/storage/sddr55.c @@ -554,8 +554,8 @@ static int sddr55_reset(struct us_data *us) static unsigned long sddr55_get_capacity(struct us_data *us) { - unsigned char uninitialized_var(manufacturerID); - unsigned char uninitialized_var(deviceID); + unsigned char manufacturerID; + unsigned char deviceID; int result; struct sddr55_card_info *info = (struct sddr55_card_info *)us->extra; diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index ca22a05179d1..a2a1baabca93 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -501,6 +501,10 @@ static ssize_t pin_assignment_show(struct device *dev, mutex_unlock(&dp->lock); + /* get_current_pin_assignments can return 0 when no matching pin assignments are found */ + if (len == 0) + len++; + buf[len - 1] = '\n'; return len; } diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 2e512ff2fe59..5085541cf88d 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -994,7 +994,21 @@ static bool svdm_consume_svids(struct tcpm_port *port, const __le32 *payload, pmdata->svids[pmdata->nsvids++] = svid; tcpm_log(port, "SVID %d: 0x%x", pmdata->nsvids, svid); } - return true; + + /* + * PD3.0 Spec 6.4.4.3.2: The SVIDs are returned 2 per VDO (see Table + * 6-43), and can be returned maximum 6 VDOs per response (see Figure + * 6-19). If the Respondersupports 12 or more SVID then the Discover + * SVIDs Command Shall be executed multiple times until a Discover + * SVIDs VDO is returned ending either with a SVID value of 0x0000 in + * the last part of the last VDO or with a VDO containing two SVIDs + * with values of 0x0000. + * + * However, some odd dockers support SVIDs less than 12 but without + * 0x0000 in the last VDO, so we need to break the Discover SVIDs + * request and return false here. + */ + return cnt == 7; abort: tcpm_log(port, "SVID_DISCOVERY_MAX(%d) too low!", SVID_DISCOVERY_MAX); return false; diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 3e0267ead718..b19d60adc606 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -1049,7 +1049,7 @@ static int get_rx_bufs(struct vhost_virtqueue *vq, /* len is always initialized before use since we are always called with * datalen > 0. */ - u32 uninitialized_var(len); + u32 len; while (datalen > 0 && headcount < quota) { if (unlikely(seg >= UIO_MAXIOV)) { @@ -1106,7 +1106,7 @@ static void handle_rx(struct vhost_net *net) { struct vhost_net_virtqueue *nvq = &net->vqs[VHOST_NET_VQ_RX]; struct vhost_virtqueue *vq = &nvq->vq; - unsigned uninitialized_var(in), log; + unsigned in, log; struct vhost_log *vq_log; struct msghdr msg = { .msg_name = NULL, diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c index 43a4dddaafd5..d0335d4d5ab5 100644 --- a/drivers/video/fbdev/au1200fb.c +++ b/drivers/video/fbdev/au1200fb.c @@ -1732,6 +1732,9 @@ static int au1200fb_drv_probe(struct platform_device *dev) /* Now hook interrupt too */ irq = platform_get_irq(dev, 0); + if (irq < 0) + return irq; + ret = request_irq(irq, au1200fb_handle_irq, IRQF_SHARED, "lcd", (void *)dev); if (ret) { diff --git a/drivers/video/fbdev/core/bitblit.c b/drivers/video/fbdev/core/bitblit.c index 436365efae73..5bb2b07cbe1a 100644 --- a/drivers/video/fbdev/core/bitblit.c +++ b/drivers/video/fbdev/core/bitblit.c @@ -247,6 +247,9 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; + if (!vc->vc_font.data) + return; + c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = vc->vc_font.data + ((c & charmask) * (w * vc->vc_font.height)); diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c index 6473e0dfe146..e78ec7f72846 100644 --- a/drivers/video/fbdev/core/modedb.c +++ b/drivers/video/fbdev/core/modedb.c @@ -257,6 +257,11 @@ static const struct fb_videomode modedb[] = { { NULL, 72, 480, 300, 33386, 40, 24, 11, 19, 80, 3, 0, FB_VMODE_DOUBLE }, + /* 1920x1080 @ 60 Hz, 67.3 kHz hsync */ + { NULL, 60, 1920, 1080, 6734, 148, 88, 36, 4, 44, 5, 0, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + /* 1920x1200 @ 60 Hz, 74.5 Khz hsync */ { NULL, 60, 1920, 1200, 5177, 128, 336, 1, 38, 208, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, diff --git a/drivers/video/fbdev/imsttfb.c b/drivers/video/fbdev/imsttfb.c index 5f610d4929dd..9670e5b5fe32 100644 --- a/drivers/video/fbdev/imsttfb.c +++ b/drivers/video/fbdev/imsttfb.c @@ -1346,7 +1346,7 @@ static struct fb_ops imsttfb_ops = { .fb_ioctl = imsttfb_ioctl, }; -static void init_imstt(struct fb_info *info) +static int init_imstt(struct fb_info *info) { struct imstt_par *par = info->par; __u32 i, tmp, *ip, *end; @@ -1419,7 +1419,7 @@ static void init_imstt(struct fb_info *info) || !(compute_imstt_regvals(par, info->var.xres, info->var.yres))) { printk("imsttfb: %ux%ux%u not supported\n", info->var.xres, info->var.yres, info->var.bits_per_pixel); framebuffer_release(info); - return; + return -ENODEV; } sprintf(info->fix.id, "IMS TT (%s)", par->ramdac == IBM ? "IBM" : "TVP"); @@ -1455,12 +1455,13 @@ static void init_imstt(struct fb_info *info) if (register_framebuffer(info) < 0) { framebuffer_release(info); - return; + return -ENODEV; } tmp = (read_reg_le32(par->dc_regs, SSTATUS) & 0x0f00) >> 8; fb_info(info, "%s frame buffer; %uMB vram; chip version %u\n", info->fix.id, info->fix.smem_len >> 20, tmp); + return 0; } static int imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) @@ -1469,6 +1470,7 @@ static int imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct imstt_par *par; struct fb_info *info; struct device_node *dp; + int ret = -ENOMEM; dp = pci_device_to_OF_node(pdev); if(dp) @@ -1504,23 +1506,37 @@ static int imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) default: printk(KERN_INFO "imsttfb: Device 0x%x unknown, " "contact maintainer.\n", pdev->device); - release_mem_region(addr, size); - framebuffer_release(info); - return -ENODEV; + ret = -ENODEV; + goto error; } info->fix.smem_start = addr; info->screen_base = (__u8 *)ioremap(addr, par->ramdac == IBM ? 0x400000 : 0x800000); + if (!info->screen_base) + goto error; info->fix.mmio_start = addr + 0x800000; par->dc_regs = ioremap(addr + 0x800000, 0x1000); + if (!par->dc_regs) + goto error; par->cmap_regs_phys = addr + 0x840000; par->cmap_regs = (__u8 *)ioremap(addr + 0x840000, 0x1000); + if (!par->cmap_regs) + goto error; info->pseudo_palette = par->palette; - init_imstt(info); + ret = init_imstt(info); + if (!ret) + pci_set_drvdata(pdev, info); + return ret; - pci_set_drvdata(pdev, info); - return 0; +error: + if (par->dc_regs) + iounmap(par->dc_regs); + if (info->screen_base) + iounmap(info->screen_base); + release_mem_region(addr, size); + framebuffer_release(info); + return ret; } static void imsttfb_remove(struct pci_dev *pdev) diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index ffde3107104b..dbc8808b093a 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -601,10 +601,10 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf if (var->hsync_len < 1 || var->hsync_len > 64) printk(KERN_ERR "%s: invalid hsync_len %d\n", info->fix.id, var->hsync_len); - if (var->left_margin > 255) + if (var->left_margin < 3 || var->left_margin > 255) printk(KERN_ERR "%s: invalid left_margin %d\n", info->fix.id, var->left_margin); - if (var->right_margin > 255) + if (var->right_margin < 1 || var->right_margin > 255) printk(KERN_ERR "%s: invalid right_margin %d\n", info->fix.id, var->right_margin); if (var->yres < 1 || var->yres > ymax_mask) diff --git a/drivers/video/fbdev/matrox/matroxfb_maven.c b/drivers/video/fbdev/matrox/matroxfb_maven.c index eda893b7a2e9..9a98c4a6ba33 100644 --- a/drivers/video/fbdev/matrox/matroxfb_maven.c +++ b/drivers/video/fbdev/matrox/matroxfb_maven.c @@ -300,7 +300,7 @@ static int matroxfb_mavenclock(const struct matrox_pll_ctl *ctl, unsigned int* in, unsigned int* feed, unsigned int* post, unsigned int* htotal2) { unsigned int fvco; - unsigned int uninitialized_var(p); + unsigned int p; fvco = matroxfb_PLL_mavenclock(&maven1000_pll, ctl, htotal, vtotal, in, feed, &p, htotal2); if (!fvco) @@ -732,8 +732,8 @@ static int maven_find_exact_clocks(unsigned int ht, unsigned int vt, for (x = 0; x < 8; x++) { unsigned int c; - unsigned int uninitialized_var(a), uninitialized_var(b), - uninitialized_var(h2); + unsigned int a, b, + h2; unsigned int h = ht + 2 + x; if (!matroxfb_mavenclock((m->mode == MATROXFB_OUTPUT_MODE_PAL) ? &maven_PAL : &maven_NTSC, h, vt, &a, &b, &c, &h2)) { diff --git a/drivers/video/fbdev/omap/lcd_mipid.c b/drivers/video/fbdev/omap/lcd_mipid.c index a75ae0c9b14c..d1cd8785d011 100644 --- a/drivers/video/fbdev/omap/lcd_mipid.c +++ b/drivers/video/fbdev/omap/lcd_mipid.c @@ -563,11 +563,15 @@ static int mipid_spi_probe(struct spi_device *spi) r = mipid_detect(md); if (r < 0) - return r; + goto free_md; omapfb_register_panel(&md->panel); return 0; + +free_md: + kfree(md); + return r; } static int mipid_spi_remove(struct spi_device *spi) diff --git a/drivers/video/fbdev/pm3fb.c b/drivers/video/fbdev/pm3fb.c index 6130aa56a1e9..7bd45334dcac 100644 --- a/drivers/video/fbdev/pm3fb.c +++ b/drivers/video/fbdev/pm3fb.c @@ -821,9 +821,9 @@ static void pm3fb_write_mode(struct fb_info *info) wmb(); { - unsigned char uninitialized_var(m); /* ClkPreScale */ - unsigned char uninitialized_var(n); /* ClkFeedBackScale */ - unsigned char uninitialized_var(p); /* ClkPostScale */ + unsigned char m; /* ClkPreScale */ + unsigned char n; /* ClkFeedBackScale */ + unsigned char p; /* ClkPostScale */ unsigned long pixclock = PICOS2KHZ(info->var.pixclock); (void)pm3fb_calculate_clock(pixclock, &m, &n, &p); diff --git a/drivers/video/fbdev/riva/riva_hw.c b/drivers/video/fbdev/riva/riva_hw.c index 0601c13f2105..f90b9327bae7 100644 --- a/drivers/video/fbdev/riva/riva_hw.c +++ b/drivers/video/fbdev/riva/riva_hw.c @@ -1245,8 +1245,7 @@ int CalcStateExt ) { int pixelDepth; - int uninitialized_var(VClk),uninitialized_var(m), - uninitialized_var(n), uninitialized_var(p); + int VClk, m, n, p; /* * Save mode parameters. diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c index e606fc728794..9c2be0802651 100644 --- a/drivers/video/fbdev/stifb.c +++ b/drivers/video/fbdev/stifb.c @@ -1371,6 +1371,7 @@ out_err1: iounmap(info->screen_base); out_err0: kfree(fb); + sti->info = NULL; return -ENXIO; } diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index 8e8af408998e..24e82fca19ad 100644 --- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -27,6 +27,8 @@ #include