pinctrl: vt8500: drop the wrapper around pinctrl_gpio_direction_input()

pinctrl_gpio_direction_input() now has the same signature as the
wrapper 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/vt8500/pinctrl-wmt.c

@@ -526,11 +526,6 @@ static void wmt_gpio_set_value(struct gpio_chip *chip, unsigned offset,
 		wmt_clearbits(data, reg_data_out, BIT(bit));
 }
 
-static int wmt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-{
-	return pinctrl_gpio_direction_input(chip, offset);
-}
-
 static int wmt_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
 				     int value)
 {
@@ -544,7 +539,7 @@ static const struct gpio_chip wmt_gpio_chip = {
 	.request = gpiochip_generic_request,
 	.free = gpiochip_generic_free,
 	.get_direction = wmt_gpio_get_direction,
-	.direction_input = wmt_gpio_direction_input,
+	.direction_input = pinctrl_gpio_direction_input,
 	.direction_output = wmt_gpio_direction_output,
 	.get = wmt_gpio_get_value,
 	.set = wmt_gpio_set_value,