void ath79_gpio_function_disable(u32 mask);
void ath79_gpio_function_setup(u32 set, u32 clear);
void ath79_gpio_output_select(unsigned gpio, u8 val);
void ath79_gpio_function_disable(u32 mask);
void ath79_gpio_function_setup(u32 set, u32 clear);
void ath79_gpio_output_select(unsigned gpio, u8 val);