ARM: 6176/1: nomadik-gpio: implement to_irq

So that gpio_to_irq() works.

Acked-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/plat-nomadik/gpio.c b/arch/arm/plat-nomadik/gpio.c
index 9cb717417ba0..1e0e9130e51e 100644
--- a/arch/arm/plat-nomadik/gpio.c
+++ b/arch/arm/plat-nomadik/gpio.c
@@ -515,12 +515,21 @@ static int nmk_gpio_make_output(struct gpio_chip *chip, unsigned offset,
         return 0;
 }
 
+static int nmk_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+        struct nmk_gpio_chip *nmk_chip =
+                container_of(chip, struct nmk_gpio_chip, chip);
+
+        return NOMADIK_GPIO_TO_IRQ(nmk_chip->chip.base) + offset;
+}
+
 /* This structure is replicated for each GPIO block allocated at probe time */
 static struct gpio_chip nmk_gpio_template = {
         .direction_input        = nmk_gpio_make_input,
         .get                    = nmk_gpio_get_input,
         .direction_output       = nmk_gpio_make_output,
         .set                    = nmk_gpio_set_output,
+        .to_irq                 = nmk_gpio_to_irq,
         .ngpio                  = NMK_GPIO_PER_CHIP,
         .can_sleep              = 0,
 };