diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 98020c3..acbb933 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -51,6 +51,8 @@
 struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
 		   const char *list_name, int index, enum of_gpio_flags *flags);
 
+struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip, u16 hwnum);
+
 extern struct spinlock gpio_lock;
 extern struct list_head gpio_chips;