[PATCH v1 3/3] mmc: core: increase shutdown priority for MMC devices

From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Mark Brown <broonie@kernel.org>
Cc: "Oleksij Rempel" <o.rempel@pengutronix.de>,
	kernel@pengutronix.de, linux-kernel@vger.kernel.org,
	linux-mmc@vger.kernel.org, linux-pm@vger.kernel.org,
	"Søren Andersen" <san@skov.dk>
Subject: [PATCH v1 3/3] mmc: core: increase shutdown priority for MMC devices
Date: Fri, 24 Nov 2023 15:53:38 +0100	[thread overview]
Message-ID: <20231124145338.3112416-4-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20231124145338.3112416-1-o.rempel@pengutronix.de>

Set a higher shutdown priority for MMC devices. By introducing a call to
This adjustment ensures that MMC storage devices are prioritized during the
system shutdown process, aligning with the critical nature of storage
devices in maintaining data integrity and preventing potential data loss
or corruption during emergency shutdown scenarios.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 drivers/mmc/core/bus.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 0af96548e7da..90a40fe8d16f 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -128,6 +128,8 @@ static int mmc_bus_probe(struct device *dev)
 	struct mmc_driver *drv = to_mmc_driver(dev->driver);
 	struct mmc_card *card = mmc_dev_to_card(dev);
 
+	dev_set_shutdown_priority(dev, DEVICE_SHUTDOWN_PRIO_STORAGE);
+
 	return drv->probe(card);
 }
 
-- 
2.39.2

