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(parent: f3be9e6) | patch
scsi: ufs: Atomic update for clkgating_enable
authorJaegeuk Kim <jaegeuk@google.com>
Tue, 17 Nov 2020 16:58:34 +0000 (08:58 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Fri, 20 Nov 2020 03:00:51 +0000 (22:00 -0500)
commit551a2e9cf0e8bf8bef66b80abcb9ad955b0ee64d
tree9f01cafd18fe1038e24833f1636423851d7fcbc4tree | snapshot
parentf3be9e6d63427665644b7609864efef1feda6d4dcommit | diff
scsi: ufs: Atomic update for clkgating_enable

While running a stress test which enables/disables clkgating, we
occasionally hit device timeout. This patch avoids a subtle race condition
to address it.

Link: https://lore.kernel.org/r/20201117165839.1643377-3-jaegeuk@kernel.org
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/ufs/ufshcd.c diff | blob | history
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