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>,
<pedrom.sousa@synopsys.com>
Cc: sthumma@codeaurora.org, marc.w.gonzalez@free.fr,
andy.teng@mediatek.com, chun-hung.wu@mediatek.com,
kuohong.wang@mediatek.com, peter.wang@mediatek.com,
evgreen@chromium.org, subhashj@codeaurora.org,
linux-mediatek@lists.infradead.org, ygardi@codeaurora.org,
matthias.bgg@gmail.com, Stanley Chu <stanley.chu@mediatek.com>,
linux-arm-kernel@lists.infradead.org, beanhuo@micron.com
Subject: [PATCH v2 3/4] scsi: ufs: Do not reset error history during host reset
Date: Wed, 10 Jul 2019 13:20:16 +0800 [thread overview]
Message-ID: <1562736017-29461-4-git-send-email-stanley.chu@mediatek.com> (raw)
In-Reply-To: <1562736017-29461-1-git-send-email-stanley.chu@mediatek.com>
Currently UFS error history will be reset and lost during host reset
flow by ufschd_probe_hba().
We shall not reset it and then error history can be kept as completed
as possible to improve debugging.
In addition, fix a minor display error in ufshcd_print_err_hist().
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
---
drivers/scsi/ufs/ufshcd.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index b8b874311509..a46c3d2b2ea3 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -402,7 +402,7 @@ static void ufshcd_print_err_hist(struct ufs_hba *hba,
if (err_hist->reg[p] == 0)
continue;
- dev_err(hba->dev, "%s[%d] = 0x%x at %lld us\n", err_name, i,
+ dev_err(hba->dev, "%s[%d] = 0x%x at %lld us\n", err_name, p,
err_hist->reg[p], ktime_to_us(err_hist->tstamp[p]));
found = true;
}
@@ -6690,19 +6690,8 @@ static void ufshcd_tune_unipro_params(struct ufs_hba *hba)
static void ufshcd_clear_dbg_ufs_stats(struct ufs_hba *hba)
{
- int err_reg_hist_size = sizeof(struct ufs_err_reg_hist);
-
hba->ufs_stats.hibern8_exit_cnt = 0;
hba->ufs_stats.last_hibern8_exit_tstamp = ktime_set(0, 0);
-
- memset(&hba->ufs_stats.pa_err, 0, err_reg_hist_size);
- memset(&hba->ufs_stats.dl_err, 0, err_reg_hist_size);
- memset(&hba->ufs_stats.nl_err, 0, err_reg_hist_size);
- memset(&hba->ufs_stats.tl_err, 0, err_reg_hist_size);
- memset(&hba->ufs_stats.dme_err, 0, err_reg_hist_size);
- memset(&hba->ufs_stats.fatal_err, 0, err_reg_hist_size);
- memset(&hba->ufs_stats.auto_hibern8_err, 0, err_reg_hist_size);
-
hba->req_abort_count = 0;
}
--
2.18.0
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next prev parent reply other threads:[~2019-07-10 5:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-10 5:20 [PATCH v2 0/4] scsi: ufs: Provide fatal and auto-hibern8 error history Stanley Chu
2019-07-10 5:20 ` [PATCH v2 1/4] scsi: ufs: Change names related to " Stanley Chu
2019-07-10 5:20 ` [PATCH v2 2/4] scsi: ufs: Add fatal and auto-hibern8 " Stanley Chu
2019-07-10 5:20 ` Stanley Chu [this message]
2019-07-10 5:20 ` [PATCH v2 4/4] scsi: ufs: Add history of fatal events Stanley Chu
2019-07-10 8:04 ` Avri Altman
2019-07-10 9:28 ` Stanley Chu
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