wifi: mt76: mt7915: add locking for accessing mapped registers

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[ Upstream commit 0937f95ab0 ]

Sicne the mapping is global, mapped register access needs to be protected
against concurrent access, otherwise a race condition might cause the reads
or writes to go towards the wrong register

Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Shayne Chen 2023-08-15 17:28:30 +08:00 • committed by Greg Kroah-Hartman

parent c39e75fae0

commit 891fd07da8

2 changed files with 41 additions and 5 deletions

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45

drivers/net/wireless/mediatek/mt76/mt7915/mmio.c

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1

drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h

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