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Thu, 26 Nov 2020 13:38:40 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v1 1/3] scsi: ufs: Add error history for abort event in UFS Device W-LUN Date: Thu, 26 Nov 2020 13:38:37 +0800 Message-ID: <20201126053839.25889-2-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201126053839.25889-1-stanley.chu@mediatek.com> References: <20201126053839.25889-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 130BC8D7BEA1DFFC31F184632A009456CB0D0F6DA020AB6400F2F83B92F318792000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201126_003900_287209_0C305130 X-CRM114-Status: GOOD ( 11.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stanley Chu , 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 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- 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);