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/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c
index 4c0896f2572d..243b6411050d 100644
--- a/arch/arm/plat-s3c24xx/gpiolib.c
+++ b/arch/arm/plat-s3c24xx/gpiolib.c
@@ -74,11 +74,6 @@ static int s3c24xx_gpiolib_bankf_toirq(struct gpio_chip *chip, unsigned offset)
         return -EINVAL;
 }
 
-static int s3c24xx_gpiolib_bankg_toirq(struct gpio_chip *chip, unsigned offset)
-{
-        return IRQ_EINT8 + offset;
-}
-
 static struct s3c_gpio_cfg s3c24xx_gpiocfg_banka = {
         .set_config     = s3c_gpio_setcfg_s3c24xx_a,
         .get_config     = s3c_gpio_getcfg_s3c24xx_a,
@@ -157,12 +152,13 @@ struct s3c_gpio_chip s3c24xx_gpios[] = {
         [6] = {
                 .base   = S3C2410_GPGCON,
                 .pm     = __gpio_pm(&s3c_gpio_pm_2bit),
+                .irq_base = IRQ_EINT8,
                 .chip   = {
                         .base                   = S3C2410_GPG(0),
                         .owner                  = THIS_MODULE,
                         .label                  = "GPIOG",
                         .ngpio                  = 16,
-                        .to_irq                 = s3c24xx_gpiolib_bankg_toirq,
+                        .to_irq                 = samsung_gpiolib_to_irq,
                 },
         }, {
                 .base   = S3C2410_GPHCON,