gpiolib: constify label in gpio_device

This string is never modified. Make it const.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 5e1f7cc..6e9228b 100644 (file)
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -58,7 +58,7 @@ struct gpio_device {
        struct gpio_desc        *descs;
        int                     base;
        u16                     ngpio;
-       char                    *label;
+       const char              *label;
        void                    *data;
        struct list_head        list;