arm, kirkwood: added kw_gpio_set_valid() in gpio.h
Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/include/asm-arm/arch-kirkwood/gpio.h b/include/asm-arm/arch-kirkwood/gpio.h
index 5c86919..a79102b 100644
--- a/include/asm-arm/arch-kirkwood/gpio.h
+++ b/include/asm-arm/arch-kirkwood/gpio.h
@@ -37,6 +37,8 @@
/*
* Kirkwood-specific GPIO API
*/
+
+void kw_gpio_set_valid(unsigned pin, int mode);
int kw_gpio_is_valid(unsigned pin, int mode);
int kw_gpio_direction_input(unsigned pin);
int kw_gpio_direction_output(unsigned pin, int value);