diff --git a/include/linux/of.h b/include/linux/of.h
index 5ebcc5c8e423..1e0d0c1bfb5e 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -160,7 +160,7 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)
 
 #define OF_BAD_ADDR	((u64)-1)
 
-static inline const char* of_node_full_name(struct device_node *np)
+static inline const char *of_node_full_name(const struct device_node *np)
 {
 	return np ? np->full_name : "<no-node>";
 }