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)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 18 Aug 2020 02:03:29 +0000 (22:03 -0400)
commit127d5f7c4b653b8be5eb3b2c7bbe13728f9003ff
treeda500f032e178de7cb3a3994d0d0b06e764757bc
parent6337f58cec030b34ced435b3d9d7d29d63c96e36
scsi: ufs: Improve interrupt handling for shared interrupts

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>
drivers/scsi/ufs/ufshcd.c