scsi: ufs: Distinguish between TM request UPIU and response UPIU in TM UPIU trace

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.

Link: https://lore.kernel.org/r/20210105113446.16027-6-huobean@gmail.com
Acked-by: Avri Altman <avri.altman@wdc.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index b11633d..9879b79 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -341,8 +341,12 @@ static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag,
        if (!trace_ufshcd_upiu_enabled())
                return;
 
-       trace_ufshcd_upiu(dev_name(hba->dev), str_t, &descp->req_header,
-                       &descp->input_param1);
+       if (str_t == UFS_TM_SEND)
+               trace_ufshcd_upiu(dev_name(hba->dev), str_t, &descp->req_header,
+                                 &descp->input_param1);
+       else
+               trace_ufshcd_upiu(dev_name(hba->dev), str_t, &descp->rsp_header,
+                                 &descp->output_param1);
 }
 
 static void ufshcd_add_uic_command_trace(struct ufs_hba *hba,