From 4e6b823867e2b8afc2b33740ba930e50b1f92421 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 8 Sep 2018 11:23:14 +0200 Subject: gpiolib: export gpiochip_irq_reqres/relres() GPIO drivers that do not use GPIOLIB_IRQCHIP can hook these into the irq_request_resource and irq_release_resource callbacks of the irq_chip so they correctly 'get' the module and lock the gpio line for IRQ use. This will simplify driver code. Signed-off-by: Hans Verkuil Signed-off-by: Linus Walleij --- include/linux/gpio/driver.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/gpio') diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 4a4f410b5285..479f1ccaaebd 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -401,6 +401,8 @@ extern struct gpio_chip *gpiochip_find(void *data, int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset); void gpiochip_unlock_as_irq(struct gpio_chip *chip, unsigned int offset); bool gpiochip_line_is_irq(struct gpio_chip *chip, unsigned int offset); +int gpiochip_reqres_irq(struct gpio_chip *chip, unsigned int offset); +void gpiochip_relres_irq(struct gpio_chip *chip, unsigned int offset); /* Line status inquiry for drivers */ bool gpiochip_line_is_open_drain(struct gpio_chip *chip, unsigned int offset); -- cgit v1.2.1