gpio: constify of_phandle_args in of_find_gpio_device_by_xlate()

Pointer to the struct of_phandle_args can be made const after
gpio_device_find() arguments got constified.  This should be part of
commit 4a92857d6e83 ("gpio: constify opaque pointer "data" in
gpio_device_find()").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 523b047a28035cb0eb507a868b64e94b160f5347..e35a9c7da4eef11968898205f4b388f4ebdccc9f 100644 (file)
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -129,7 +129,7 @@ static int of_gpiochip_match_node_and_xlate(struct gpio_chip *chip,
 }
 
 static struct gpio_device *
-of_find_gpio_device_by_xlate(struct of_phandle_args *gpiospec)
+of_find_gpio_device_by_xlate(const struct of_phandle_args *gpiospec)
 {
        return gpio_device_find(gpiospec, of_gpiochip_match_node_and_xlate);
 }