[PATCH 5.19 0604/1157] mtd: st_spi_fsm: Disable clock only after device was unregistered

Greg Kroah-Hartman
2022-08-16T04:32:39Z

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit cd043c613e21bb6f039057043da759471706adf5 ]

Until mtd_device_unregister() returns the device is expected to be
operational. So only disable the clock after the mtd is unregistered.

Fixes: 1fefc8ecb834 ("mtd: st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220607152458.232847-4-u.kleine-koenig@pengutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/mtd/devices/st_spi_fsm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index a5a4b612480c..9f6d4dd8bade 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -2128,10 +2128,10 @@ static int stfsm_remove(struct platform_device *pdev)
{
struct stfsm *fsm = platform_get_drvdata(pdev);

- clk_disable_unprepare(fsm->clk);
-
WARN_ON(mtd_device_unregister(&fsm->mtd));

+ clk_disable_unprepare(fsm->clk);
+
return 0;
}

--
2.35.1