gpio: remove broken irq_to_gpio() interface

gpiolib has removed the irq_to_gpio() API several years ago,
but the global header still provided a non-working stub.

To prevent new users of this broken function from showing
up, let's remove the stubs as well.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index d12b5d566e4b11c725aa79dae8f2301364d3b9a9..6fc1c9e74854a58aa2a48dd80398eafbe11bd9e7 100644 (file)
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -70,11 +70,6 @@ static inline int gpio_to_irq(unsigned int gpio)
        return __gpio_to_irq(gpio);
 }
 
-static inline int irq_to_gpio(unsigned int irq)
-{
-       return -EINVAL;
-}
-
 #endif /* ! CONFIG_ARCH_HAVE_CUSTOM_GPIO_H */
 
 /* CONFIG_GPIOLIB: bindings for managed devices that want to request gpios */
@@ -222,13 +217,6 @@ static inline void gpiochip_unlock_as_irq(struct gpio_chip *chip,
        WARN_ON(1);
 }
 
-static inline int irq_to_gpio(unsigned irq)
-{
-       /* irq can never have been returned from gpio_to_irq() */
-       WARN_ON(1);
-       return -EINVAL;
-}
-
 static inline int
 gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
                       unsigned int gpio_offset, unsigned int pin_offset,