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(parent: 828b480) | patch
spi: hisi-sfc-v3xx: fix potential irq race condition
authorYicong Yang <yangyicong@hisilicon.com>
Mon, 12 Apr 2021 11:58:27 +0000 (19:58 +0800)
committerMark Brown <broonie@kernel.org>
Mon, 12 Apr 2021 16:07:37 +0000 (17:07 +0100)
commit4c84e42d29afa3dce201a4db747db2a5ba404604
tree14e01ee9644bf811a0e4a5687bb3faef1ecab01ctree | snapshot
parent828b480977421e9fbe93ecbdc65689ec7cc1e834commit | diff
spi: hisi-sfc-v3xx: fix potential irq race condition

We mask the irq when the command completion is timeout. This won't
stop the already running irq handler. Use sychronize_irq() after
we mask the irq, to make sure there is no running handler.

Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/1618228708-37949-2-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-hisi-sfc-v3xx.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git