pinctrl: mediatek: common: drop the wrappers around pinctrl_gpio_direction_input()

pinctrl_gpio_direction_input() now has the same signature as the
wrappers around it so we can drop them.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

Author: Bartosz Golaszewski

drivers/pinctrl/mediatek/pinctrl-mtk-common.c

@@ -808,12 +808,6 @@ static const struct pinmux_ops mtk_pmx_ops = {
 	.gpio_request_enable	= mtk_pmx_gpio_request_enable,
 };
 
-static int mtk_gpio_direction_input(struct gpio_chip *chip,
-					unsigned offset)
-{
-	return pinctrl_gpio_direction_input(chip, offset);
-}
-
 static int mtk_gpio_direction_output(struct gpio_chip *chip,
 					unsigned offset, int value)
 {
@@ -898,7 +892,7 @@ static const struct gpio_chip mtk_gpio_chip = {
 	.request		= gpiochip_generic_request,
 	.free			= gpiochip_generic_free,
 	.get_direction		= mtk_gpio_get_direction,
-	.direction_input	= mtk_gpio_direction_input,
+	.direction_input	= pinctrl_gpio_direction_input,
 	.direction_output	= mtk_gpio_direction_output,
 	.get			= mtk_gpio_get,
 	.set			= mtk_gpio_set,