[ARM] S3C64XX: add to_irq() support for EINT() GPIO
N group
Add to_irq() function to onvert gpio to irq for external interrupt
group (GPN).
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c
index da7b60e..9285929 100644
--- a/arch/arm/plat-s3c64xx/gpiolib.c
+++ b/arch/arm/plat-s3c64xx/gpiolib.c
@@ -321,6 +321,11 @@
.get_pull = s3c_gpio_getpull_updown,
};
+int s3c64xx_gpio2int_gpn(struct gpio_chip *chip, unsigned pin)
+{
+ return IRQ_EINT(0) + pin;
+}
+
static struct s3c_gpio_chip gpio_2bit[] = {
{
.base = S3C64XX_GPF_BASE,
@@ -353,6 +358,7 @@
.base = S3C64XX_GPN(0),
.ngpio = S3C64XX_GPIO_N_NR,
.label = "GPN",
+ .to_irq = s3c64xx_gpio2int_gpn,
},
}, {
.base = S3C64XX_GPO_BASE,