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-rw-r--r--arch/arm/mach-s3c2410/gpio.c1
-rw-r--r--include/asm-arm/arch-s3c2410/regs-gpio.h4
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c
index ba346546150..d1740643a13 100644
--- a/arch/arm/mach-s3c2410/gpio.c
+++ b/arch/arm/mach-s3c2410/gpio.c
@@ -57,6 +57,7 @@ void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function)
case S3C2410_GPIO_SFN2:
case S3C2410_GPIO_SFN3:
if (pin < S3C2410_GPIO_BANKB) {
+ function -= 1;
function &= 1;
function <<= S3C2410_GPIO_OFFSET(pin);
} else {
diff --git a/include/asm-arm/arch-s3c2410/regs-gpio.h b/include/asm-arm/arch-s3c2410/regs-gpio.h
index b2893e32a23..eae91694edc 100644
--- a/include/asm-arm/arch-s3c2410/regs-gpio.h
+++ b/include/asm-arm/arch-s3c2410/regs-gpio.h
@@ -52,10 +52,10 @@
/* general configuration options */
#define S3C2410_GPIO_LEAVE (0xFFFFFFFF)
-#define S3C2410_GPIO_INPUT (0xFFFFFFF0)
+#define S3C2410_GPIO_INPUT (0xFFFFFFF0) /* not available on A */
#define S3C2410_GPIO_OUTPUT (0xFFFFFFF1)
#define S3C2410_GPIO_IRQ (0xFFFFFFF2) /* not available for all */
-#define S3C2410_GPIO_SFN2 (0xFFFFFFF2) /* not available on A */
+#define S3C2410_GPIO_SFN2 (0xFFFFFFF2) /* bank A => addr/cs/nand */
#define S3C2410_GPIO_SFN3 (0xFFFFFFF3) /* not available on A */
/* register address for the GPIO registers.