pinctrl: remove pinctrl_gpio_direction_input()

There are no more users of pinctrl_gpio_direction_input() so remove it.

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

Author: Bartosz Golaszewski

drivers/pinctrl/core.c

@@ -873,13 +873,6 @@ static int pinctrl_gpio_direction(unsigned gpio, bool input)
 	return ret;
 }
 
-/* This function is deprecated and will be removed. Don't use. */
-int pinctrl_gpio_direction_input(unsigned gpio)
-{
-	return pinctrl_gpio_direction(gpio, true);
-}
-EXPORT_SYMBOL_GPL(pinctrl_gpio_direction_input);
-
 /**
  * pinctrl_gpio_direction_input_new() - request a GPIO pin to go into input mode
  * @gc: GPIO chip structure from the GPIO subsystem
@@ -891,7 +884,7 @@ EXPORT_SYMBOL_GPL(pinctrl_gpio_direction_input);
  */
 int pinctrl_gpio_direction_input_new(struct gpio_chip *gc, unsigned int offset)
 {
-	return pinctrl_gpio_direction_input(gc->base + offset);
+	return pinctrl_gpio_direction(gc->base + offset, true);
 }
 EXPORT_SYMBOL_GPL(pinctrl_gpio_direction_input_new);
 

include/linux/pinctrl/consumer.h

@@ -29,7 +29,6 @@ struct pinctrl_state;
 bool pinctrl_gpio_can_use_line_new(struct gpio_chip *gc, unsigned int offset);
 int pinctrl_gpio_request_new(struct gpio_chip *gc, unsigned int offset);
 void pinctrl_gpio_free_new(struct gpio_chip *gc, unsigned int offset);
-int pinctrl_gpio_direction_input(unsigned gpio);
 int pinctrl_gpio_direction_input_new(struct gpio_chip *gc,
 				     unsigned int offset);
 int pinctrl_gpio_direction_output(unsigned gpio);
@@ -87,11 +86,6 @@ pinctrl_gpio_free_new(struct gpio_chip *gc, unsigned int offset)
 {
 }
 
-static inline int pinctrl_gpio_direction_input(unsigned gpio)
-{
-	return 0;
-}
-
 static inline int
 pinctrl_gpio_direction_input_new(struct gpio_chip *gc, unsigned int offset)
 {