Commit eb3d2611 authored by Stanley Chu's avatar Stanley Chu Committed by Martin K. Petersen
Browse files

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: default avatarAsutosh Das <asutoshd@codeaurora.org>
Reviewed-by: default avatarCan Guo <cang@codeaurora.org>
Signed-off-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 6dc1c7ab

drivers/scsi/ufs/ufshcd.c

+4 −2
Original line number Diff line number Diff line
@@ -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);