1 files changed, 4 insertions, 2 deletions

diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 8c8621097fa0..d466c8d8826d 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -4,6 +4,7 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/errno.h>
+#include <linux/of.h>
 
 #ifdef CONFIG_GPIOLIB
 
@@ -128,13 +129,14 @@ struct gpio_chip {
          */
         struct device_node *of_node;
         int of_gpio_n_cells;
-        int (*of_xlate)(struct gpio_chip *gc, struct device_node *np,
-                        const void *gpio_spec, u32 *flags);
+        int (*of_xlate)(struct gpio_chip *gc,
+                        const struct of_phandle_args *gpiospec, u32 *flags);
 #endif
 };
 
 extern const char *gpiochip_is_requested(struct gpio_chip *chip,
                         unsigned offset);
+extern struct gpio_chip *gpio_to_chip(unsigned gpio);
 extern int __must_check gpiochip_reserve(int start, int ngpio);
 
 /* add/remove chips */