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.looijm...@topic.nl>
---
drivers/power/reset/gpio-poweroff.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/power/reset/gpio-poweroff.c
b/drivers/power/reset/gpio-poweroff.c
index 6273ad3..38206c3 100644
--- 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);
--
1.9.1
