From: Stanley Chu <stanley.chu@mediatek.com>
To: <linux-scsi@vger.kernel.org>, <martin.petersen@oracle.com>,
<avri.altman@wdc.com>, <alim.akhtar@samsung.com>,
<jejb@linux.ibm.com>
Cc: Stanley Chu <stanley.chu@mediatek.com>,
alice.chao@mediatek.com, bvanassche@acm.org,
huadian.liu@mediatek.com, andy.teng@mediatek.com,
cc.chou@mediatek.com, chun-hung.wu@mediatek.com,
kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org,
jiajie.hao@mediatek.com, cang@codeaurora.org,
linux-mediatek@lists.infradead.org, peter.wang@mediatek.com,
matthias.bgg@gmail.com, beanhuo@micron.com,
chaotian.jing@mediatek.com, linux-arm-kernel@lists.infradead.org,
asutoshd@codeaurora.org
Subject: [PATCH v2 1/3] scsi: ufs: Add error history for abort event in UFS Device W-LUN
Date: Thu, 3 Dec 2020 15:24:41 +0800 [thread overview]
Message-ID: <20201203072443.6663-2-stanley.chu@mediatek.com> (raw)
In-Reply-To: <20201203072443.6663-1-stanley.chu@mediatek.com>
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.
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
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 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);
--
2.18.0
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next prev parent reply other threads:[~2020-12-03 7:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 7:24 [PATCH v2 0/3] Refine error history and introduce event_notify vop Stanley Chu
2020-12-03 7:24 ` Stanley Chu [this message]
2020-12-03 7:24 ` [PATCH v2 2/3] scsi: ufs: Refine error history functions Stanley Chu
2020-12-03 7:24 ` [PATCH v2 3/3] scsi: ufs: Introduce event_notify variant function Stanley Chu
2020-12-03 7:32 ` Avri Altman
2020-12-03 7:48 ` Stanley Chu
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