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(parent: 0f3d761) | patch
mt76: mt7921: fix a leftover race in runtime-pm
authorLorenzo Bianconi <lorenzo@kernel.org>
Thu, 30 Dec 2021 20:47:05 +0000 (21:47 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 8 Apr 2022 12:23:28 +0000 (14:23 +0200)
commit421cb64c91dd3dbaab3b11d830dd667d01d52e6b
tree7d6e98169793bc6e88580dab03c65104bc24622btree | snapshot
parent0f3d76144b9c6abb4ab67a378ba758f9817f9411commit | diff
mt76: mt7921: fix a leftover race in runtime-pm

[ Upstream commit 591cdccebdd4d02eb46d400dea911136400cc567 ]

Fix a possible race in mt7921_pm_power_save_work() if rx/tx napi
schedules ps_work and we are currently accessing device register
on a different cpu.

Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/wireless/mediatek/mt76/mt7921/mac.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git