of/gpio: stop using device_node data pointer to find gpio_chip

[karo-tx-linux.git] / include / linux / of_gpio.h

diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h
index 460d6810c5eb06d01cc9963e0c59acde9f974e72..1020587efed19f6662ee5384e41b8dc72555ef61 100644 (file)
--- a/include/linux/of_gpio.h
+++ b/include/linux/of_gpio.h
@@ -54,6 +54,9 @@ extern int of_mm_gpiochip_add(struct device_node *np,
                              struct of_mm_gpio_chip *mm_gc);
 extern int of_gpio_simple_xlate(struct gpio_chip *gc, struct device_node *np,
                                const void *gpio_spec, u32 *flags);
+
+extern struct gpio_chip *of_node_to_gpiochip(struct device_node *np);
+
 #else /* CONFIG_OF_GPIO */
 
 /* Drivers may not strictly depend on the GPIO support, so let them link. */