[U-Boot] [PATCH V4 6/9] ARM: exynos: Add missing declaration for gpio_direction_input

[Ajay Kumar]

This patch adds missing declaration for gpio_direction_input
function, thereby helps in resolving compilation warnings.

Signed-off-by: Ajay Kumar <ajaykumar.rs at samsung.com>
Acked-by: Simon Glass <sjg at chromium.org>
Tested-by: Simon Glass <sjg at chromium.org>
---
 arch/arm/include/asm/arch-exynos/gpio.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h
index be5113f..8fb5c23 100644
--- a/arch/arm/include/asm/arch-exynos/gpio.h
+++ b/arch/arm/include/asm/arch-exynos/gpio.h
@@ -1504,6 +1504,7 @@ static const struct gpio_name_num_table exynos5420_gpio_table[] = {
 void gpio_cfg_pin(int gpio, int cfg);
 void gpio_set_pull(int gpio, int mode);
 void gpio_set_drv(int gpio, int mode);
+int gpio_direction_input(unsigned gpio);
 int gpio_direction_output(unsigned gpio, int value);
 int gpio_set_value(unsigned gpio, int value);
 int gpio_get_value(unsigned gpio);
-- 
1.7.9.5