Hi, Can Guo > In order to recover from hibern8 exit failure, perform a reset in link recovery > path before issuing link start-up. > > Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx> > --- > drivers/scsi/ufs/ufshcd.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index > c28c144..525f8e6 100644 > --- a/drivers/scsi/ufs/ufshcd.c > +++ b/drivers/scsi/ufs/ufshcd.c > @@ -3859,6 +3859,9 @@ static int ufshcd_link_recovery(struct ufs_hba *hba) > ufshcd_set_eh_in_progress(hba); > spin_unlock_irqrestore(hba->host->host_lock, flags); > > + /* Reset the attached device */ > + ufshcd_vops_device_reset(hba); > + > ret = ufshcd_host_reset_and_restore(hba); > There is time consumption in reset, It is true that reset can hide/solve some issues. I don't know if you experienced issue resulting from an absent reset in this case mentioned in Patch commit comment. > spin_lock_irqsave(hba->host->host_lock, flags); > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project
