ARM: SAMSUNG: Add common samsung_gpiolib_to_irq function

This patch adds a common callback for gpio_to_irq() for external and
gpio interrupts for Samsung SoCs.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
[kgene.kim@samsung.com: moved samsung_gpiolib_to_irq() for s3c24xx build]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/arch/arm/mach-s3c64xx/gpiolib.c b/arch/arm/mach-s3c64xx/gpiolib.c
index 300dee4a667b..fd99a82e82c4 100644
--- a/arch/arm/mach-s3c64xx/gpiolib.c
+++ b/arch/arm/mach-s3c64xx/gpiolib.c
@@ -195,11 +195,6 @@ static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = {
         .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,
@@ -227,12 +222,13 @@ static struct s3c_gpio_chip gpio_2bit[] = {
                 },
         }, {
                 .base   = S3C64XX_GPN_BASE,
+                .irq_base = IRQ_EINT(0),
                 .config = &gpio_2bit_cfg_eint10,
                 .chip   = {
                         .base   = S3C64XX_GPN(0),
                         .ngpio  = S3C64XX_GPIO_N_NR,
                         .label  = "GPN",
-                        .to_irq = s3c64xx_gpio2int_gpn,
+                        .to_irq = samsung_gpiolib_to_irq,
                 },
         }, {
                 .base   = S3C64XX_GPO_BASE,