linux-kernel - [PATCH 2/4] mmc: rtsx_usb_sdmmc: Print debug-messages at power-on/off errors

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Message-ID: <20250610111633.504366-3-ulf.hansson@linaro.org>
Date: Tue, 10 Jun 2025 13:16:24 +0200
From: Ulf Hansson <ulf.hansson@...aro.org>
To: linux-mmc@...r.kernel.org,
	Ulf Hansson <ulf.hansson@...aro.org>
Cc: Ricky Wu <ricky_wu@...ltek.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] mmc: rtsx_usb_sdmmc: Print debug-messages at power-on/off errors

It should be useful to know when we fail to power-on/off a card. Let's
therefore print debug-messages when this happens.

Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 drivers/mmc/host/rtsx_usb_sdmmc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c
index 8c35cb85a9c0..c204cdeaee3e 100644
--- a/drivers/mmc/host/rtsx_usb_sdmmc.c
+++ b/drivers/mmc/host/rtsx_usb_sdmmc.c
@@ -1023,10 +1023,14 @@ static int sd_set_power_mode(struct rtsx_usb_sdmmc *host,
 
 	if (power_mode == MMC_POWER_OFF) {
 		err = sd_power_off(host);
+		if (err)
+			dev_dbg(sdmmc_dev(host), "power-off (err = %d)\n", err);
 		pm_runtime_put_noidle(sdmmc_dev(host));
 	} else {
 		pm_runtime_get_noresume(sdmmc_dev(host));
 		err = sd_power_on(host);
+		if (err)
+			dev_dbg(sdmmc_dev(host), "power-on (err = %d)\n", err);
 	}
 
 	host->power_mode = power_mode;
-- 
2.43.0