[POWERPC] Add for_each_child_of_node() helper for iterating over child nodes (aabc08dc) · Commits · 戴 / test

Add for_each_child_of_node() to encapsulate the common idiom of iterating over the children of a device_node. Signed-off-by:

include/linux/of.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -46,6 +46,10 @@ extern struct device_node *of_find_node_by_phandle(phandle handle);
		extern struct device_node of_get_parent(const struct device_node node);
		extern struct device_node of_get_next_child(const struct device_node node,
		struct device_node *prev);
		#define for_each_child_of_node(parent, child) \
		for (child = of_get_next_child(parent, NULL); child != NULL; \
		child = of_get_next_child(parent, child))

		extern struct property of_find_property(const struct device_node np,
		const char *name,
		int *lenp);