diff options
| -rw-r--r-- | drivers/gpio/gpiolib.c | 5 | ||||
| -rw-r--r-- | include/linux/gpio/driver.h | 3 |
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 0e78a5023cb2..94a5575d1ebe 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1501,14 +1501,15 @@ static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip) gpiochip->irq.valid_mask = NULL; } -static bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, - unsigned int offset) +bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, + unsigned int offset) { /* No mask means all valid */ if (likely(!gpiochip->irq.valid_mask)) return true; return test_bit(offset, gpiochip->irq.valid_mask); } +EXPORT_SYMBOL_GPL(gpiochip_irqchip_irq_valid); /** * gpiochip_set_cascaded_irqchip() - connects a cascaded irqchip to a gpiochip diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 55e672592fa9..b6a05dd0d10a 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -431,6 +431,9 @@ int gpiochip_irqchip_add_key(struct gpio_chip *gpiochip, bool threaded, struct lock_class_key *lock_key); +bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, + unsigned int offset); + #ifdef CONFIG_LOCKDEP /* |