On 2020-11-26 13:38, Stanley Chu wrote:
Add error history for abort event in UFS Device W-LUN.
Besides, use specified value as parameter of ufshcd_update_reg_hist()
to identify the aborted tag or LUNs.
Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
---
drivers/scsi/ufs/ufshcd.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 0e5473d4699b..28e4def13f21 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6742,8 +6742,10 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
* To avoid these unnecessary/illegal step we skip to the last error
* handling stage: reset and restore.
*/
- if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN)
+ if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN) {
+ ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, lrbp->lun);
return ufshcd_eh_host_reset_handler(cmd);
+ }
ufshcd_hold(hba, false);
reg = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
@@ -6767,7 +6769,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
*/
scsi_print_command(hba->lrb[tag].cmd);
if (!hba->req_abort_count) {
- ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, 0);
+ ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, tag);
ufshcd_print_host_regs(hba);
ufshcd_print_host_state(hba);
ufshcd_print_pwr_info(hba);
Reviewed-by: Can Guo <cang@xxxxxxxxxxxxxx>
