linux-kernel - [PATCH 5/6] scsi: ufs: show ufs part info in error case

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Message-Id: <20200915204532.1672300-5-jaegeuk@kernel.org>
Date:   Tue, 15 Sep 2020 13:45:31 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        kernel-team@...roid.com
Cc:     Jaegeuk Kim <jaegeuk@...gle.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>
Subject: [PATCH 5/6] scsi: ufs: show ufs part info in error case

From: Jaegeuk Kim <jaegeuk@...gle.com>

This patch shows ufs part info in kernel messages for debugging purpose.
It's useful when we only have the last kernel message.

Cc: Alim Akhtar <alim.akhtar@...sung.com>
Cc: Avri Altman <avri.altman@....com>
Signed-off-by: Jaegeuk Kim <jaegeuk@...gle.com>
---
 drivers/scsi/ufs/ufshcd.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index bdc82cc3824aa..b81c116b976ff 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -500,6 +500,14 @@ static void ufshcd_print_tmrs(struct ufs_hba *hba, unsigned long bitmap)
 static void ufshcd_print_host_state(struct ufs_hba *hba)
 {
 	dev_err(hba->dev, "UFS Host state=%d\n", hba->ufshcd_state);
+	if (hba->sdev_ufs_device) {
+		dev_err(hba->dev, " vendor = %.8s\n",
+					hba->sdev_ufs_device->vendor);
+		dev_err(hba->dev, " model = %.16s\n",
+					hba->sdev_ufs_device->model);
+		dev_err(hba->dev, " rev = %.4s\n",
+					hba->sdev_ufs_device->rev);
+	}
 	dev_err(hba->dev, "outstanding reqs=0x%lx tasks=0x%lx\n",
 		hba->outstanding_reqs, hba->outstanding_tasks);
 	dev_err(hba->dev, "saved_err=0x%x, saved_uic_err=0x%x\n",
-- 
2.28.0.618.gf4bc123cb7-goog