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Commit 1b95b4eb authored by Thierry Reding's avatar Thierry Reding Committed by Linus Walleij
Browse files

gpio: Export gpiochip_irq_{map,unmap}() 



Export these functions so that drivers can explicitly use these when
setting up their IRQ domain.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Acked-by: default avatarGrygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent e0d89728

drivers/gpio/gpiolib.c

+5 −3
Original line number Diff line number Diff line
@@ -1638,7 +1638,7 @@ EXPORT_SYMBOL_GPL(gpiochip_set_nested_irqchip); 
 * gpiochip by assigning the gpiochip as chip data, and using the irqchip

 * stored inside the gpiochip.

 */

static int gpiochip_irq_map(struct irq_domain *d, unsigned int irq,

int gpiochip_irq_map(struct irq_domain *d, unsigned int irq,

		     irq_hw_number_t hwirq)

{

	struct gpio_chip *chip = d->host_data;
@@ -1676,8 +1676,9 @@ static int gpiochip_irq_map(struct irq_domain *d, unsigned int irq, 


	return 0;

}

EXPORT_SYMBOL_GPL(gpiochip_irq_map);



static void gpiochip_irq_unmap(struct irq_domain *d, unsigned int irq)

void gpiochip_irq_unmap(struct irq_domain *d, unsigned int irq)

{

	struct gpio_chip *chip = d->host_data;
@@ -1686,6 +1687,7 @@ static void gpiochip_irq_unmap(struct irq_domain *d, unsigned int irq) 
	irq_set_chip_and_handler(irq, NULL, NULL);

	irq_set_chip_data(irq, NULL);

}

EXPORT_SYMBOL_GPL(gpiochip_irq_unmap);



static const struct irq_domain_ops gpiochip_domain_ops = {

	.map	= gpiochip_irq_map,

include/linux/gpio/driver.h

+4 −0
Original line number Diff line number Diff line
@@ -367,6 +367,10 @@ int bgpio_init(struct gpio_chip *gc, struct device *dev, 


#ifdef CONFIG_GPIOLIB_IRQCHIP



int gpiochip_irq_map(struct irq_domain *d, unsigned int irq,

		     irq_hw_number_t hwirq);

void gpiochip_irq_unmap(struct irq_domain *d, unsigned int irq);



void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,

		struct irq_chip *irqchip,

		unsigned int parent_irq,