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Diffstat (limited to 'arch/arm/mach-s3c2410/include/mach/gpio.h')
-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio.h b/arch/arm/mach-s3c2410/include/mach/gpio.h
index 3b52b86498a..e0349af8a48 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio.h
@@ -15,4 +15,10 @@
#define gpio_set_value __gpio_set_value
#define gpio_cansleep __gpio_cansleep
+/* some boards require extra gpio capacity to support external
+ * devices that need GPIO.
+ */
+
+#define ARCH_NR_GPIOS (256 + CONFIG_S3C24XX_GPIO_EXTRA)
+
#include <asm-generic/gpio.h>