diff options
Diffstat (limited to 'drivers/gpio/gpio-vx855.c')
| -rw-r--r-- | drivers/gpio/gpio-vx855.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-vx855.c b/drivers/gpio/gpio-vx855.c index 8fd6c3913d69..84b3a973a503 100644 --- a/drivers/gpio/gpio-vx855.c +++ b/drivers/gpio/gpio-vx855.c @@ -127,8 +127,7 @@ static int vx855gpio_get(struct gpio_chip *gpio, unsigned int nr) return ret; } -static void vx855gpio_set(struct gpio_chip *gpio, unsigned int nr, - int val) +static int vx855gpio_set(struct gpio_chip *gpio, unsigned int nr, int val) { struct vx855_gpio *vg = gpiochip_get_data(gpio); unsigned long flags; @@ -136,7 +135,7 @@ static void vx855gpio_set(struct gpio_chip *gpio, unsigned int nr, /* True GPI cannot be switched to output mode */ if (nr < NR_VX855_GPI) - return; + return -EPERM; spin_lock_irqsave(&vg->lock, flags); reg_out = inl(vg->io_gpo); @@ -153,6 +152,8 @@ static void vx855gpio_set(struct gpio_chip *gpio, unsigned int nr, } outl(reg_out, vg->io_gpo); spin_unlock_irqrestore(&vg->lock, flags); + + return 0; } static int vx855gpio_direction_output(struct gpio_chip *gpio, |