diff --git a/arch/arm/mach-tegra/include/mach/gpio.h b/arch/arm/mach-tegra/include/mach/gpio.h
index e31f486d69a2d232768f1dd3e959d25cecb2da6e..12a7cf6874cd5d17ba21b1bc0e588ed811584e9a 100644
--- a/arch/arm/mach-tegra/include/mach/gpio.h
+++ b/arch/arm/mach-tegra/include/mach/gpio.h
@@ -31,7 +31,7 @@
 #define gpio_cansleep		__gpio_cansleep
 
 #define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio))
-#define TEGRA_IRQ_TO_GPIO(irq) ((gpio) - INT_GPIO_BASE)
+#define TEGRA_IRQ_TO_GPIO(irq) ((irq) - INT_GPIO_BASE)
 
 static inline int gpio_to_irq(unsigned int gpio)
 {