[PATCH 2/2] scsi: ufs: fix TM request timeout
From: Po-Wen Kao <hidden>
Date: 2021-09-29 07:01:42
Also in:
linux-scsi, lkml
Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
TM command issued by ufshcd_issue_tm_cmd() inevitably timeout since interrupt handler iterates wrong request list for completion. The issue is fixed by iterating static_rqs instead of rqs to find requests with new interface blk_mq_drv_tagset_busy_iter(). Signed-off-by: Po-Wen Kao <redacted> --- drivers/scsi/ufs/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 3841ab49f556..7a1ea42302b8 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c@@ -6428,7 +6428,7 @@ static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba) spin_lock_irqsave(hba->host->host_lock, flags); ci.pending = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL); - blk_mq_tagset_busy_iter(q->tag_set, ufshcd_compl_tm, &ci); + blk_mq_drv_tagset_busy_iter(q->tag_set, ufshcd_compl_tm, &ci); spin_unlock_irqrestore(hba->host->host_lock, flags); return ci.ncpl ? IRQ_HANDLED : IRQ_NONE;
--
2.18.0