From 2307f3aab887bc43e0f262d298977fd9c6b9eee3 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 20 Feb 2016 12:53:31 +0100 Subject: [PATCH] Revert "gpio: remove broken irq_to_gpio() interface" This reverts commit ee2204a37957daed80418ea8ffc4f5c3146fb8e7. --- include/linux/gpio.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 6fc1c9e74854..d12b5d566e4b 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -70,6 +70,11 @@ 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 */ @@ -217,6 +222,13 @@ 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, -- 2.20.1