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scsi: ufs: Improve interrupt handling for shared interrupts
authorAdrian Hunter <adrian.hunter@intel.com>
Tue, 11 Aug 2020 13:39:36 +0000 (16:39 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 3 Sep 2020 09:21:20 +0000 (11:21 +0200)
commit0ad7639387e55320e59ccc8f0f2fae5518bb787b
tree53af7d8c3af0a93f43e2d2da0bf51edb1e93fd9atree | snapshot (tar.gz zip)
parentb2a01a52690bda6851c027b2db01e9dbb6b53450commit | diff
scsi: ufs: Improve interrupt handling for shared interrupts

[ Upstream commit 127d5f7c4b653b8be5eb3b2c7bbe13728f9003ff ]

For shared interrupts, the interrupt status might be zero, so check that
first.

Link: https://lore.kernel.org/r/20200811133936.19171-2-adrian.hunter@intel.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/scsi/ufs/ufshcd.c diff | blob | blame | history