gpio-poweroff: Use gpiod_set_value_cansleep

The power-off call is done in a context that must be able to sleep, so
use gpiod_set_value_cansleep instead of the atomic gpiod_set_value call.

This fixes a kernel warning at shutdown when the gpio is controlled
through an IO expander for example.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>

diff --git a/drivers/power/reset/gpio-poweroff.c b/drivers/power/reset/gpio-poweroff.c
index 6273ad3..38206c3 100644 (file)
--- a/drivers/power/reset/gpio-poweroff.c
+++ b/drivers/power/reset/gpio-poweroff.c
@@ -35,11 +35,11 @@ static void gpio_poweroff_do_poweroff(void)
        gpiod_direction_output(reset_gpio, 1);
        mdelay(100);
        /* drive inactive, also active->inactive edge */
-       gpiod_set_value(reset_gpio, 0);
+       gpiod_set_value_cansleep(reset_gpio, 0);
        mdelay(100);
 
        /* drive it active, also inactive->active edge */
-       gpiod_set_value(reset_gpio, 1);
+       gpiod_set_value_cansleep(reset_gpio, 1);
 
        /* give it some time */
        mdelay(timeout);