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Revert "gpio: remove broken irq_to_gpio() interface" 

This reverts commit ee2204a379.
This commit is contained in:
Linus Walleij 2016-02-20 12:53:31 +01:00
parent bd203bd56d
commit 2307f3aab8
1 changed files with 12 additions and 0 deletions
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12
include/linux/gpio.h
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@ -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,