--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/mach-ar7/ar7.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/include/asm/mach-ar7/ar7.h	2021-02-04 17:41:59.000000000 +0000
@@ -203,4 +203,8 @@
 int __init ar7_gpio_init(void);
 void __init ar7_init_clocks(void);
 
+/* Board specific GPIO functions */
+int ar7_gpio_enable(unsigned gpio);
+int ar7_gpio_disable(unsigned gpio);
+
 #endif /* __AR7_H__ */