--- a/arch/mips/include/asm/mach-ar7/ar7.h
+++ b/arch/mips/include/asm/mach-ar7/ar7.h
@@ -205,4 +205,6 @@ void __init ar7_init_clocks(void);
 
 extern void __init ar7_init_clocks(void);
 
+int __init ar7_gpio_init(void);
+
 #endif /* __AR7_H__ */