+static inline int of_get_available_child_count(const struct device_node *np)
+{
+ struct device_node *child;
+ int num = 0;
+
+ for_each_available_child_of_node(np, child)
+ num++;
+
+ return num;
+}
+
+/* cache lookup */
+extern struct device_node *of_find_next_cache_node(const struct device_node *);