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Ilpo Järvinen 9697dfa899 wifi: ath11k: Use RMW accessors for changing LNKCTL 
[ Upstream commit 6c1b6bdb34 ]

Don't assume that only the driver would be accessing LNKCTL. ASPM policy
changes can trigger write to LNKCTL outside of driver's control.

Use RMW capability accessors which do proper locking to avoid losing
concurrent updates to the register value. On restore, clear the ASPMC field
properly.

Suggested-by: Lukas Wunner <lukas@wunner.de>
Fixes: e9603f4bdc ("ath11k: pci: disable ASPM L0sLs before downloading firmware")
Link: https://lore.kernel.org/r/20230717120503.15276-9-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Kalle Valo <kvalo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-09-13 09:48:23 +02:00
arch powerpc/perf: Convert fsl_emb notifier to state machine callbacks 2023-09-13 09:48:23 +02:00
block blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init 2023-09-13 09:48:19 +02:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto crypto: api - Use work queue in crypto_destroy_instance 2023-09-13 09:48:03 +02:00
Documentation dt-bindings: clock: Update GCC clocks for QDU1000 and QRU1000 SoCs 2023-09-13 09:48:22 +02:00
drivers wifi: ath11k: Use RMW accessors for changing LNKCTL 2023-09-13 09:48:23 +02:00
fs ext4: avoid potential data overflow in next_linear_group 2023-09-13 09:48:21 +02:00
include dt-bindings: clock: Update GCC clocks for QDU1000 and QRU1000 SoCs 2023-09-13 09:48:22 +02:00
init sched/psi: Select KERNFS as needed 2023-09-13 09:47:58 +02:00
io_uring io_uring: fix drain stalls by invalid SQE 2023-09-13 09:48:17 +02:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel audit: fix possible soft lockup in __audit_inode_child() 2023-09-13 09:48:17 +02:00
lib sbitmap: fix batching wakeup 2023-09-13 09:47:55 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm net-memcg: Fix scope of sockmem pressure indicators 2023-09-13 09:48:05 +02:00
net netrom: Deny concurrent connect(). 2023-09-13 09:48:09 +02:00
rust rust: macros: vtable: fix HAS_* redefinition (gen_const_name) 2023-08-23 17:32:36 +02:00
samples samples/bpf: fix broken map lookup probe 2023-09-13 09:48:06 +02:00
scripts scripts/gdb: fix 'lx-lsmod' show the wrong size 2023-09-13 09:48:05 +02:00
security smackfs: Prevent underflow in smk_set_cipso() 2023-09-13 09:48:16 +02:00
sound ALSA: ac97: Fix possible error value of *rac97 2023-09-13 09:48:19 +02:00
tools selftests: memfd: error out test process when child test fails 2023-09-13 09:48:06 +02:00
usr initramfs: Check negative timestamp to prevent broken cpio archive 2023-04-16 17:37:01 +09:00
virt kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add() 2023-09-13 09:48:21 +02:00
.clang-format cxl for v6.4 2023-04-30 11:51:51 -07:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for *.dtso files 2023-02-26 15:28:23 +09:00
.gitignore linux-kselftest-kunit-6.4-rc1 2023-04-24 12:31:32 -07:00
.mailmap mailmap: add entries for Ben Dooks 2023-06-19 13:19:35 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: sctp: move Neil to CREDITS 2023-05-12 08:51:32 +01:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Networking fixes for 6.4-rc8, including fixes from ipsec, bpf, 2023-06-22 17:59:51 -07:00
Makefile kbuild: rust_is_available: remove -v option 2023-09-13 09:48:03 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.