linux-kernel - [PATCH 2/2] scsi: ufs: core: Add a trace function calling when uic command error occurs

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Message-ID: <20250417023405.6954-3-dh0421.hwang@samsung.com>
Date: Thu, 17 Apr 2025 11:34:04 +0900
From: DooHyun Hwang <dh0421.hwang@...sung.com>
To: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	alim.akhtar@...sung.com, avri.altman@....com, bvanassche@....org,
	James.Bottomley@...senPartnership.com, martin.petersen@...cle.com,
	peter.wang@...iatek.com, manivannan.sadhasivam@...aro.org,
	quic_mnaresh@...cinc.com
Cc: grant.jung@...sung.com, jt77.jang@...sung.com, junwoo80.lee@...sung.com,
	jangsub.yi@...sung.com, sh043.lee@...sung.com, cw9316.lee@...sung.com,
	sh8267.baek@...sung.com, wkon.kim@...sung.com, DooHyun Hwang
	<dh0421.hwang@...sung.com>
Subject: [PATCH 2/2] scsi: ufs: core: Add a trace function calling when uic
 command error occurs

When a uic command error occurs, there is no trace function calling.
Therefore, trace function calls are added when a uic command error happens.

Signed-off-by: DooHyun Hwang <dh0421.hwang@...sung.com>
---
 drivers/ufs/core/ufshcd.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index ab98acd982b5..baac1ae94efc 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -2534,6 +2534,9 @@ ufshcd_wait_for_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
 	hba->active_uic_cmd = NULL;
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
+	if (ret)
+		ufshcd_add_uic_command_trace(hba, uic_cmd, UFS_CMD_ERR);
+
 	return ret;
 }
 
@@ -4306,6 +4309,8 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
 	}
 out:
 	if (ret) {
+		ufshcd_add_uic_command_trace(hba, hba->active_uic_cmd,
+					     UFS_CMD_ERR);
 		ufshcd_print_host_state(hba);
 		ufshcd_print_pwr_info(hba);
 		ufshcd_print_evt_hist(hba);
-- 
2.48.1