diff --git a/include/linux/of.h b/include/linux/of.h
index 9c2e71e202d1..dfeb065c3fad 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -896,7 +896,7 @@ static inline int of_parse_phandle_with_fixed_args(const struct device_node *np,
 	return -ENOSYS;
 }
 
-static inline int of_count_phandle_with_args(struct device_node *np,
+static inline int of_count_phandle_with_args(const struct device_node *np,
 					     const char *list_name,
 					     const char *cells_name)
 {