diff options
Diffstat (limited to 'drivers/pinctrl/spear')
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-plgpio.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c index a05570c7d833..1ec22010a3f9 100644 --- a/drivers/pinctrl/spear/pinctrl-plgpio.c +++ b/drivers/pinctrl/spear/pinctrl-plgpio.c @@ -181,24 +181,27 @@ static int plgpio_get_value(struct gpio_chip *chip, unsigned offset) return is_plgpio_set(plgpio->regmap, offset, plgpio->regs.rdata); } -static void plgpio_set_value(struct gpio_chip *chip, unsigned offset, int value) +static int plgpio_set_value(struct gpio_chip *chip, unsigned int offset, + int value) { struct plgpio *plgpio = gpiochip_get_data(chip); if (offset >= chip->ngpio) - return; + return -EINVAL; /* get correct offset for "offset" pin */ if (plgpio->p2o && (plgpio->p2o_regs & PTO_WDATA_REG)) { offset = plgpio->p2o(offset); if (offset == -1) - return; + return -EINVAL; } if (value) plgpio_reg_set(plgpio->regmap, offset, plgpio->regs.wdata); else plgpio_reg_reset(plgpio->regmap, offset, plgpio->regs.wdata); + + return 0; } static int plgpio_request(struct gpio_chip *chip, unsigned offset) |