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Filename Latest commit message Latest commit date
Pawel Laszczak b2fb6ce06c usb: cdns3: fix race condition before setting doorbell
commit b69ec50b3e55c4b2a85c8bc46763eaf33060584 upstream

For DEV_VER_V3 version there exist race condition between clearing
ep_sts.EP_STS_TRBERR and setting ep_cmd.EP_CMD_DRDY bit.
Setting EP_CMD_DRDY will be ignored by controller when
EP_STS_TRBERR is set. So, between these two instructions we have
a small time gap in which the EP_STS_TRBERR can be set. In such case
the transfer will not start after setting doorbell.

Fixes: 7733f6c32e ("usb: cdns3: Add Cadence USB3 DRD Driver")
cc: <stable@vger.kernel.org> # 5.4.x
Tested-by: Aswath Govindraju <a-govindraju@ti.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-10-06 15:42:30 +02:00
arch arm64: dts: marvell: armada-37xx: Extend PCIe MEM space 2021-09-30 10:09:26 +02:00
block blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd 2021-09-30 10:09:25 +02:00
certs certs: Trigger creation of RSA module signing key if it's not an RSA key 2021-09-15 09:47:29 +02:00
crypto crypto: shash - avoid comparing pointers to exported functions under CFI 2021-07-14 16:53:13 +02:00
Documentation dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation 2021-09-22 12:26:43 +02:00
drivers usb: cdns3: fix race condition before setting doorbell 2021-10-06 15:42:30 +02:00
fs qnx4: work around gcc false positive warning bug 2021-09-30 10:09:26 +02:00
include compiler.h: Introduce absolute_pointer macro 2021-09-30 10:09:25 +02:00
init kbuild: add CONFIG_LD_IS_LLD 2021-06-30 08:47:44 -04:00
ipc
kernel cpufreq: schedutil: Use kobject release() method to free sugov_tunables 2021-10-06 15:42:29 +02:00
lib Kconfig.debug: drop selecting non-existing HARDLOCKUP_DETECTOR_ARCH 2021-09-26 14:07:10 +02:00
LICENSES
mm mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range() 2021-09-22 12:26:43 +02:00
net ipv6: delay fib6_sernum increase in fib6_add 2021-09-30 10:09:24 +02:00
samples samples: bpf: Fix tracex7 error raised on the missing argument 2021-09-22 12:26:30 +02:00
scripts kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y 2021-09-22 12:26:26 +02:00
security apparmor: remove duplicate macro list_entry_is_head() 2021-09-26 14:07:06 +02:00
sound ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B 2021-09-22 12:26:35 +02:00
tools perf unwind: Do not overwrite FEATURE_CHECK_LDFLAGS-libunwind-{x86,aarch64} 2021-09-22 12:26:45 +02:00
usr
virt KVM: remember position in kvm->vcpus array 2021-09-26 14:07:05 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.150 2021-09-30 10:09:26 +02:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.