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: <beanhuo@micron.com>, <asutoshd@codeaurora.org>,
<cang@codeaurora.org>, <matthias.bgg@gmail.com>,
<bvanassche@acm.org>, <linux-mediatek@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <kuohong.wang@mediatek.com>,
<peter.wang@mediatek.com>, <chun-hung.wu@mediatek.com>,
<andy.teng@mediatek.com>, <chaotian.jing@mediatek.com>,
<cc.chou@mediatek.com>, <jiajie.hao@mediatek.com>,
<alice.chao@mediatek.com>, <huadian.liu@mediatek.com>,
Stanley Chu <stanley.chu@mediatek.com>
Subject: [PATCH v4 5/8] scsi: ufs: Add error history for abort event in UFS Device W-LUN
Date: Sat, 5 Dec 2020 10:39:35 +0800 [thread overview]
Message-ID: <20201205023938.13848-6-stanley.chu@mediatek.com> (raw)
In-Reply-To: <20201205023938.13848-1-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 c2f611516ea7..922d68bca345 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
next prev parent reply other threads:[~2020-12-05 2:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-05 2:39 [PATCH v4 0/8] Refine error history and introduce event_notify vop Stanley Chu
2020-12-05 2:39 ` [PATCH v4 1/8] scsi: ufs: Remove unused setup_regulators variant function Stanley Chu
2020-12-05 2:39 ` [PATCH v4 2/8] scsi: ufs: Introduce phy_initialization helper Stanley Chu
2020-12-05 2:39 ` [PATCH v4 3/8] scsi: ufs-cdns: Use " Stanley Chu
2020-12-05 2:39 ` [PATCH v4 4/8] scsi: ufs-dwc: " Stanley Chu
2020-12-05 2:39 ` Stanley Chu [this message]
2020-12-05 2:39 ` [PATCH v4 6/8] scsi: ufs: Refine error history functions Stanley Chu
2020-12-05 2:39 ` [PATCH v4 7/8] scsi: ufs: Introduce event_notify variant function Stanley Chu
2020-12-05 2:39 ` [PATCH v4 8/8] scsi: ufs-mediatek: Introduce event_notify implementation Stanley Chu
2020-12-05 8:03 ` [PATCH v4 0/8] Refine error history and introduce event_notify vop Avri Altman
2020-12-05 8:05 ` Avri Altman
2020-12-05 12:07 ` Stanley Chu
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