linux-kernel - [PATCH v1 2/3] scsi: ufs: Distinguish between TM request UPIU and response UPIU in TM UPIU trace

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Date:   Sun,  6 Dec 2020 17:42:25 +0100
From:   Bean Huo <huobean@...il.com>
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        rostedt@...dmis.org
Subject: [PATCH v1 2/3] scsi: ufs: Distinguish between TM request UPIU and response UPIU in TM UPIU trace

From: Bean Huo <beanhuo@...ron.com>

Distinguish between TM request UPIU and response UPIU in TM UPIU trace,
for the TM response, let TM UPIU trace print its TM response UPIU.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/scsi/ufs/ufshcd.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index e10de94adb3f..29d7240a61bf 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -338,8 +338,12 @@ static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag,
 	int off = (int)tag - hba->nutrs;
 	struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[off];
 
-	trace_ufshcd_upiu(dev_name(hba->dev), str, &descp->req_header,
-			&descp->input_param1);
+	if (!strcmp("tm_send", str))
+		trace_ufshcd_upiu(dev_name(hba->dev), str, &descp->req_header,
+				  &descp->input_param1);
+	else
+		trace_ufshcd_upiu(dev_name(hba->dev), str, &descp->rsp_header,
+				  &descp->output_param1);
 }
 
 static void ufshcd_add_uic_command_trace(struct ufs_hba *hba,
-- 
2.17.1