scsi: ufs: Resume ufs host before accessing ufs device

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As a part of sysfs reading of descriptors/attributes/flags, query commands
should only be executed when hba's power runtime status is active.  To
guarantee this, add pm_runtime_get/put_sync() to those paths where query
commands are sent.

Link: https://lore.kernel.org/r/f712a4f7bdb0ae32e0d83634731e7aaa1b3a6cdd.1585009663.git.asutoshd@codeaurora.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Nitin Rawat <nitirawa@codeaurora.org>
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Nitin Rawat 2020-03-24 14:48:21 -07:00 • committed by Martin K. Petersen

parent 73e990b424

commit 0c2039dc15

1 changed files with 22 additions and 6 deletions

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drivers/scsi/ufs/ufs-sysfs.c

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