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authorStanley Chu2020-12-05 19:58:58 +0800
committerMartin K. Petersen2020-12-07 17:51:49 -0500
commiteb3d2611df2e37a5455818b72af3892f1209346b (patch)
tree9a4ca33292a2e18563f735b1bf12043c050aa5d5 /drivers
parent6dc1c7ab6f047f45b62986ffebc5324e86ed5f5a (diff)
scsi: ufs: Add error history for abort event in UFS Device W-LUN
Add error history for abort event in UFS Device W-LUN. Use specified value as parameter of ufshcd_update_reg_hist() to identify the aborted tag or LUNs. Link: https://lore.kernel.org/r/20201205115901.26815-2-stanley.chu@mediatek.com Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Reviewed-by: Can Guo <cang@codeaurora.org> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/ufs/ufshcd.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 11a4aad09f3a..7067b86a8e08 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6738,8 +6738,10 @@ 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);
@@ -6763,7 +6765,7 @@ 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);