kw_gpio: fix error in kw_gpio_direction_input

The function kw_gpio_is_valid returns zero on success, so
adapt the error check accordingly.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Dieter Kiermaier <dk-arm-linux@gmx.de>
This commit is contained in:
Holger Brunck 2011-08-21 23:21:06 +00:00 committed by Wolfgang Denk
parent 0d2b0a8f45
commit e5afdf584c

View File

@ -109,7 +109,7 @@ void kw_gpio_set_valid(unsigned pin, int mode)
*/
int kw_gpio_direction_input(unsigned pin)
{
if (!kw_gpio_is_valid(pin, GPIO_INPUT_OK))
if (kw_gpio_is_valid(pin, GPIO_INPUT_OK) != 0)
return 1;
/* Configure GPIO direction. */