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SCSI fixes on 20230513 

Single small fix for the UFS driver to fix a power management failure.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fix from James Bottomley:
 "A single small fix for the UFS driver to fix a power management
  failure"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: core: Fix I/O hang that occurs when BKOPS fails in W-LUN suspend
This commit is contained in:
Linus Torvalds 2023-05-13 17:37:32 -07:00
parent d4d58949a6 1a7edd041f
commit 046206bad0
1 changed files with 9 additions and 1 deletions
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10
drivers/ufs/core/ufshcd.c
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@ -9459,8 +9459,16 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
* that performance might be impacted. * that performance might be impacted.
*/ */
ret = ufshcd_urgent_bkops(hba); ret = ufshcd_urgent_bkops(hba);
if (ret) if (ret) {
/*
* If return err in suspend flow, IO will hang.
* Trigger error handler and break suspend for
* error recovery.
*/
ufshcd_force_error_recovery(hba);
ret = -EBUSY;
goto enable_scaling; goto enable_scaling;
}
} else { } else {
/* make sure that auto bkops is disabled */ /* make sure that auto bkops is disabled */
ufshcd_disable_auto_bkops(hba); ufshcd_disable_auto_bkops(hba);