pinctrl: axp209: 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/pinctrl-axp209.c

@@ -124,11 +124,6 @@ static int axp20x_gpio_get_reg(unsigned int offset)
 	return -EINVAL;
 }
 
-static int axp20x_gpio_input(struct gpio_chip *chip, unsigned int offset)
-{
-	return pinctrl_gpio_direction_input(chip, offset);
-}
-
 static int axp20x_gpio_get(struct gpio_chip *chip, unsigned int offset)
 {
 	struct axp20x_pctl *pctl = gpiochip_get_data(chip);
@@ -474,7 +469,7 @@ static int axp20x_pctl_probe(struct platform_device *pdev)
 	pctl->chip.get			= axp20x_gpio_get;
 	pctl->chip.get_direction	= axp20x_gpio_get_direction;
 	pctl->chip.set			= axp20x_gpio_set;
-	pctl->chip.direction_input	= axp20x_gpio_input;
+	pctl->chip.direction_input	= pinctrl_gpio_direction_input;
 	pctl->chip.direction_output	= axp20x_gpio_output;
 
 	pctl->desc = of_device_get_match_data(dev);