diff --git a/include/linux/of.h b/include/linux/of.h
index 59a61bd..79886ad 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -70,5 +70,6 @@
 extern int of_n_size_cells(struct device_node *np);
 extern const struct of_device_id *of_match_node(
 	const struct of_device_id *matches, const struct device_node *node);
+extern int of_modalias_node(struct device_node *node, char *modalias, int len);
 
 #endif /* _LINUX_OF_H */