Saravana Kannan
8f8184d6bf
driver core: Add sync_state driver/bus callback ...
This sync_state driver/bus callback is called once all the consumers
of a supplier have probed successfully.
This allows the supplier device's driver/bus to sync the supplier
device's state to the software state with the guarantee that all the
consumers are actively managing the resources provided by the supplier
device.
To maintain backwards compatibility and ease transition from existing
frameworks and resource cleanup schemes, late_initcall_sync is the
earliest when the sync_state callback might be called.
There is no upper bound on the time by which the sync_state callback
has to be called. This is because if a consumer device never probes,
the supplier has to maintain its resources in the state left by the
bootloader. For example, if the bootloader leaves the display
backlight at a fixed voltage and the backlight driver is never probed,
you don't want the backlight to ever be turned off after boot up.
Also, when multiple devices are added after kernel init, some
suppliers could be added before their consumer devices get added. In
these instances, the supplier devices could get their sync_state
callback called right after they probe because the consumers devices
haven't had a chance to create device links to the suppliers.
To handle this correctly, this change also provides APIs to
pause/resume sync state callbacks so that when multiple devices are
added, their sync_state callback evaluation can be postponed to happen
after all of them are added.
kbuild test robot reported missing documentation for device.state_synced
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20190731221721.187713-5-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-01 16:04:14 +02:00
Lots of exciting things this time!
2019-07-18 11:05:25 -07:00
dmaengine updates for v5.3-rc1
2019-07-17 09:55:43 -07:00
This is the bulk of pin control changes for the v5.3 kernel
2019-07-13 15:02:27 -07:00
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2019-07-13 14:40:42 -07:00
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-07-08 11:01:13 -07:00
lockd: Convert NLM service fl_owner to nlm_lockowner
2019-07-03 17:52:08 -04:00
mfd: aat2870: no need to check return value of debugfs_create functions
2019-08-01 08:06:59 +02:00
5.3 Merge window RDMA pull request
2019-07-15 20:38:15 -07:00
MMC core:
2019-07-11 18:11:21 -07:00
This pull-request contains the following changes for MTD:
2019-07-13 15:42:44 -07:00
arm64 updates for 5.3:
2019-07-08 09:54:55 -07:00
This is the bulk of pin control changes for the v5.3 kernel
2019-07-13 15:02:27 -07:00
ARM: SoC-related driver updates
2019-07-19 17:13:56 -07:00
Merge remote-tracking branch 'regulator/topic/coupled' into regulator-next
2019-07-04 17:34:34 +01:00
Mostly bugfixes, but also:
2019-07-20 10:20:27 -07:00
ARM: SoC-related driver updates
2019-07-19 17:13:56 -07:00
soundwire: add module_sdw_driver helper macro
2019-07-01 11:52:43 +05:30
Merge remote-tracking branch 'spi/topic/pump-rt' into spi-next
2019-07-04 17:35:11 +01:00
NFS client updates for Linux 5.3
2019-07-18 14:32:33 -07:00
dma-mapping updates for Linux 5.3
2019-07-12 15:13:55 -07:00
Additional ACPI updates for 5.3-rc1
2019-07-18 09:12:34 -07:00
audit/stable-5.3 PR 20190702
2019-07-08 18:55:42 -07:00
blkcg: implement REQ_CGROUP_PUNT
2019-07-10 09:00:57 -06:00
block: fix .bi_size overflow
2019-07-01 08:18:54 -06:00
linux/bits.h: make BIT(), GENMASK(), and friends available in assembly
2019-07-16 19:23:22 -07:00
blkcg: implement REQ_CGROUP_PUNT
2019-07-10 09:00:57 -06:00
blkcg: implement REQ_CGROUP_PUNT
2019-07-10 09:00:57 -06:00
block: Limit zone array allocation size
2019-07-11 20:04:40 -06:00
bpf: implement getsockopt and setsockopt hooks
2019-06-27 15:25:16 -07:00
bpf: implement getsockopt and setsockopt hooks
2019-06-27 15:25:16 -07:00
bpf: implement getsockopt and setsockopt hooks
2019-06-27 15:25:16 -07:00
docs: cgroup-v1: add it to the admin-guide book
2019-07-15 11:03:02 -03:00
for-linus-20190715
2019-07-15 21:20:52 -07:00
Merge branches 'clk-rpi-cpufreq', 'clk-tegra', 'clk-simplify-provider.h', 'clk-sprd' and 'clk-at91' into clk-next
2019-07-12 11:11:30 -07:00
This round of clk driver and framework updates is heavy on the driver update
2019-07-17 10:07:48 -07:00
coda: fix build using bare-metal toolchain
2019-07-16 19:23:23 -07:00
signal: simplify set_user_sigmask/restore_user_sigmask
2019-07-16 19:23:24 -07:00
bpf: Disable GCC -fgcse optimization for ___bpf_prog_run()
2019-07-18 21:01:06 +02:00
objtool: Add support for C jump tables
2019-07-09 13:55:46 +02:00
bpf: Disable GCC -fgcse optimization for ___bpf_prog_run()
2019-07-18 21:01:06 +02:00
docs: connector: convert to ReST and rename to connector.rst
2019-07-15 09:20:23 -03:00
Merge branch 'pm-cpufreq'
2019-07-18 09:49:30 +02:00
Driver Core and debugfs changes for 5.3-rc1
2019-07-12 12:24:03 -07:00
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2019-07-08 20:57:08 -07:00
dax: check synchronous mapping is supported
2019-07-05 15:19:10 -07:00
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
- Fix zone state management race in DM zoned target by eliminating
2019-07-18 14:49:33 -07:00
driver core: Add sync_state driver/bus callback
2019-08-01 16:04:14 +02:00
RDMA/core: Fix -Wunused-const-variable warnings
2019-07-11 11:49:55 -03:00
drm main pull request for v5.3-rc1 (sans mm changes)
2019-07-15 19:04:27 -07:00
dma-direct: Force unencrypted DMA under SME for certain DMA masks
2019-07-16 22:15:46 +02:00
dma-mapping: add a dma_addressing_limited helper
2019-07-17 08:25:40 +02:00
dma-mapping: mark dma_alloc_need_uncached as __always_inline
2019-07-08 14:19:33 -07:00
dmaengine updates for v5.3-rc1
2019-07-17 09:55:43 -07:00
include/linux/dmar.h: replace single-char identifiers in macros
2019-07-12 11:05:41 -07:00
keys: Pass the network namespace into request_key mechanism
2019-06-27 23:02:12 +01:00
block: Fix elevator name declaration
2019-07-10 14:18:01 -06:00
bpf: rename bpf_ctx_wide_store_ok to bpf_ctx_wide_access_ok
2019-07-15 23:15:53 +02:00
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
switch the remnants of releasing the mountpoint away from fs_pin
2019-07-16 22:52:37 -04:00
usb: linux/fsl_device: Add platform member has_fsl_erratum_a006918
2019-07-03 18:52:20 +02:00
\n
2019-07-10 20:09:17 -07:00
dma-mapping updates for Linux 5.3
2019-07-12 15:13:55 -07:00
Merge branch 'hmm-devmem-cleanup.4' into rdma.git hmm
2019-07-02 15:10:45 -03:00
mm: thp: make transhuge_vma_suitable available for anonymous THP
2019-07-18 17:08:06 -07:00
mm: move the powerpc hugepd code to mm/gup.c
2019-07-12 11:05:45 -07:00
docs: admin-guide: add a series of orphaned documents
2019-07-15 11:03:02 -03:00
hwspinlock: add the 'in_atomic' API
2019-06-29 21:08:14 -07:00
ide: use BIT() macro for defining bit-flags
2019-07-09 14:52:14 -07:00
idr: introduce idr_for_each_entry_continue_ul()
2019-07-01 19:15:46 -07:00
bridge: add br_vlan_get_proto()
2019-07-05 21:34:50 +02:00
coallocate socket_wq with socket itself
2019-07-08 19:25:19 -07:00
Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
2019-07-08 20:28:59 -07:00
Allow 0.0.0.0/8 as a valid address range
2019-06-26 13:19:46 -07:00
mnt_init(): call shmem_init() unconditionally
2019-07-04 22:01:59 -04:00
Merge branches 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/omap', 'generic-dma-ops' and 'core' into next
2019-07-04 17:26:48 +02:00
Merge branches 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/omap', 'generic-dma-ops' and 'core' into next
2019-07-04 17:26:48 +02:00
intel_rapl: need linux/cpuhotplug.h for enum cpuhp_state
2019-07-15 11:42:31 +02:00
mm/ioremap: probe platform for p4d huge map support
2019-07-16 19:23:22 -07:00
iomap: move internal declarations into fs/iomap/
2019-07-17 07:21:02 -07:00
Merge branches 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/omap', 'generic-dma-ops' and 'core' into next
2019-07-04 17:26:48 +02:00
HMM patches for 5.3
2019-07-14 19:42:11 -07:00
iversion: add a routine to update a raw value with a larger one
2019-07-08 14:01:43 +02:00
mm/kasan: change kasan_check_{read,write} to return boolean
2019-07-12 11:05:42 -07:00
mm/kasan: add object validation in ksize()
2019-07-12 11:05:42 -07:00
include/linux/kernel.h: add typeof_member() macro
2019-07-16 19:23:21 -07:00
Keyrings namespacing
2019-07-08 19:36:47 -07:00
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
mm, kprobes: generalize and rename notify_page_fault() as kprobe_page_fault()
2019-07-16 19:23:22 -07:00
KVM: Boost vCPUs that are delivering interrupts
2019-07-20 09:00:45 +02:00
libnvdimm: add dax_dev sync flag
2019-07-05 15:19:10 -07:00
xskmap: Move non-standard list manipulation to helper
2019-06-29 01:31:08 +02:00
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
2019-07-11 15:30:05 -07:00
docs: locking: convert docs to ReST and rename to *.rst
2019-07-15 08:53:27 -03:00
include/linux/lz4.h: fix spelling and copy-paste errors in documentation
2019-07-16 19:23:24 -07:00
mm, oom: remove redundant task_in_mem_cgroup() check
2019-07-12 11:05:47 -07:00
drivers/base/memory.c: get rid of find_memory_block_hinted()
2019-07-18 17:08:07 -07:00
mm/sparsemem: support sub-section hotplug
2019-07-18 17:08:07 -07:00
memremap: provide an optional internal refcount in struct dev_pagemap
2019-07-02 14:32:44 -03:00
mm: migrate: remove unused mode argument
2019-07-18 17:08:07 -07:00
mm/sparsemem: convert kmalloc_section_memmap() to populate_section_memmap()
2019-07-18 17:08:07 -07:00
HMM patches for 5.3
2019-07-14 19:42:11 -07:00
libnvdimm/pfn: stop padding pmem namespaces to section alignment
2019-07-18 17:08:07 -07:00
pci-v5.3-changes
2019-07-15 20:44:49 -07:00
docs: locking: convert docs to ReST and rename to *.rst
2019-07-15 08:53:27 -03:00
serial: mpsc: Remove obsolete MPSC driver
2019-07-03 19:28:40 +02:00
coallocate socket_wq with socket itself
2019-07-08 19:25:19 -07:00
loopback: create blackhole net device similar to loopack.
2019-07-01 19:34:46 -07:00
netlink: use 48 byte ctx instead of 6 signed longs for callback
2019-07-01 19:12:10 -07:00
pnfs/flexfiles: Add tracepoints for detecting pnfs fallback to MDS
2019-07-18 15:50:28 -04:00
NFS: Add deferred cache invalidation for close-to-open consistency violations
2019-07-06 14:54:49 -04:00
NFSv4: Allow multiple connections to NFSv4.x (x>0) servers
2019-07-06 14:54:50 -04:00
mm: make register_mem_sect_under_node() static
2019-07-18 17:08:06 -07:00
nvme: add I/O characteristics fields
2019-07-09 14:15:37 -07:00
mailbox: omap: Add support for TI K3 SoCs
2019-07-10 23:08:44 -05:00
oom: decouple mems_allowed from oom_unkillable_task
2019-07-12 11:05:47 -07:00
mm, debug_pagealloc: use a page type instead of page_ext flag
2019-07-12 11:05:43 -07:00
mm/page_isolation.c: change the prototype of undo_isolate_page_range()
2019-07-12 11:05:43 -07:00
mm, debug_pagealloc: use a page type instead of page_ext flag
2019-07-12 11:05:43 -07:00
mm/filemap: don't cast ->readpage to filler_t for do_read_cache_page
2019-07-12 11:05:43 -07:00
New feature to add support for NTB virtual MSI interrupts, the ability
2019-07-21 09:46:59 -07:00
dmaengine updates for v5.3-rc1
2019-07-17 09:55:43 -07:00
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-07-08 16:12:03 -07:00
perf/core: Fix exclusive events' grouping
2019-07-13 11:21:28 +02:00
mm: introduce ARCH_HAS_PTE_DEVMAP
2019-07-16 19:23:25 -07:00
net: phy: make exported variables non-static
2019-07-12 15:26:29 -07:00
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-07-08 19:48:57 -07:00
kernel/pid.c: convert struct pid count to refcount_t
2019-07-16 19:23:24 -07:00
platform: Add platform_find_device_by_driver() helper
2019-07-30 13:07:42 +02:00
pci-v5.3-changes
2019-07-15 20:44:49 -07:00
PM / QoS: Add support for MIN/MAX frequency constraints
2019-07-04 10:40:54 +02:00
lib/list: tweak LIST_POISON2 for better code generation on x86_64
2019-07-16 19:23:22 -07:00
power supply and reset changes for the v5.3 series
2019-07-15 21:06:15 -07:00
Device properties framework updates for 5.3-rc1
2019-07-09 10:28:47 -07:00
init_rootfs(): don't bother with init_ramfs_fs()
2019-07-04 22:01:59 -04:00
lib/rbtree: avoid generating code twice for the cached versions
2019-07-16 19:23:22 -07:00
lib/rbtree: avoid generating code twice for the cached versions
2019-07-16 19:23:22 -07:00
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
2019-06-28 19:46:47 +02:00
It's been a relatively busy cycle for docs:
2019-07-09 12:34:26 -07:00
remoteproc: add vendor resources handling
2019-06-29 12:02:17 -07:00
docs: locking: convert docs to ReST and rename to *.rst
2019-07-15 08:53:27 -03:00
request_key improvements
2019-07-08 19:19:37 -07:00
block: sed-opal: ioctl for writing to shadow mbr
2019-06-29 10:33:57 -06:00
nfsd: escape high characters in binary data
2019-07-03 17:52:50 -04:00
docs: serial: move it to the driver-api
2019-07-15 11:03:03 -03:00
signal: simplify set_user_sigmask/restore_user_sigmask
2019-07-16 19:23:24 -07:00
Bulk GPIO changes for the v5.3 kernel cycle:
2019-07-09 09:07:00 -07:00
Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-07-09 11:35:38 -07:00
net/flow_dissector: add connection tracking dissection
2019-07-09 12:11:59 -07:00
mm, memcg: add a memcg_slabinfo debugfs file
2019-07-12 11:05:44 -07:00
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-07-08 16:12:03 -07:00
io_uring: add support for recvmsg()
2019-07-09 14:32:14 -06:00
nfsd: escape high characters in binary data
2019-07-03 17:52:50 -04:00
Merge branch 'pm-sleep'
2019-07-08 10:51:25 +02:00
mm, swap: use rbtree for swap_extent
2019-07-12 11:05:43 -07:00
mm: stub out all of swapops.h for !CONFIG_MMU
2019-07-16 19:23:21 -07:00
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
proc/sysctl: add shared variables for range check
2019-07-18 17:08:07 -07:00
docs: thermal: convert to ReST
2019-06-27 21:22:15 +08:00
timer: Document TIMER_PINNED
2019-07-07 11:50:03 +02:00
tracing: Make trace_get_fields() global
2019-07-16 15:14:48 -04:00
ptrace: add PTRACE_GET_SYSCALL_INFO request
2019-07-16 19:23:24 -07:00
for-5.3/io_uring-20190711
2019-07-13 10:36:53 -07:00
keys: Move the user and user-session keyrings to the user_namespace
2019-06-26 21:02:32 +01:00
mm: vmalloc: show number of vmalloc pages in /proc/meminfo
2019-07-12 11:05:47 -07:00
include/linux/vmpressure.h: use spinlock_t instead of struct spinlock
2019-07-12 11:05:43 -07:00
platform-drivers-x86 for v5.3-1
2019-07-14 16:51:47 -07:00
workqueue: Make alloc/apply/free_workqueue_attrs() static
2019-06-27 14:12:15 -07:00
blkcg: implement REQ_CGROUP_PUNT
2019-07-10 09:00:57 -06:00
