diff --git a/arch/mips/include/asm/mach-lantiq/gpio.h b/arch/mips/include/asm/mach-lantiq/gpio.h
index f79505b43609..9ba1caebca5f 100644
--- a/arch/mips/include/asm/mach-lantiq/gpio.h
+++ b/arch/mips/include/asm/mach-lantiq/gpio.h
@@ -1,10 +1,7 @@
 #ifndef __ASM_MIPS_MACH_LANTIQ_GPIO_H
 #define __ASM_MIPS_MACH_LANTIQ_GPIO_H
 
-static inline int gpio_to_irq(unsigned int gpio)
-{
-	return -1;
-}
+#define gpio_to_irq __gpio_to_irq
 
 #define gpio_get_value __gpio_get_value
 #define gpio_set_value __gpio_set_value