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: Thierry Reding <treding@nvidia.com>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 003d1bb85165b5da75a527d720424b38ab1cc100..7347ea1c699a7b328ef6eba859c829276cdfc473 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1638,8 +1638,8 @@ 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,
-                           irq_hw_number_t hwirq)
+int gpiochip_irq_map(struct irq_domain *d, unsigned int irq,
+                    irq_hw_number_t hwirq)
 {
        struct gpio_chip *chip = d->host_data;
        int err = 0;
@@ -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,

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 51fc7b023364f215f5213ad07d38f9b9355efae4..bbe5c647f29df51b34e8acd8ff74ef089029bc6f 100644 (file)
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -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,