diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 033a224..30a4641 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -508,7 +508,7 @@
  * value to derive a unique name.  As a last resort it will use the node
  * name followed by a unique number.
  */
-static void of_device_make_bus_id(struct device *dev)
+void of_device_make_bus_id(struct device *dev)
 {
 	static atomic_t bus_no_reg_magic;
 	struct device_node *node = dev->of_node;
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index e11a0be..35aa44a 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -27,6 +27,7 @@
 
 extern const struct of_device_id *of_match_device(
 	const struct of_device_id *matches, const struct device *dev);
+extern void of_device_make_bus_id(struct device *dev);
 
 /**
  * of_driver_match_device - Tell if a driver's of_match_table matches a device.