This patch adds usefull macro to iterate over a node childs.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

---

TODO: convert all for(...) cycles to this macro.
 include/linux/of.h |    2 ++

 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/linux/of.h b/include/linux/of.h

index 5c39b92..a93e2aa 100644

--- a/include/linux/of.h

+++ b/include/linux/of.h

@@ -46,6 +46,8 @@ 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_node_child(dn, child) \

+	for (child = NULL; (child = of_get_next_child(dn, child)); )

 extern struct property *of_find_property(const struct device_node *np,

 					 const char *name,

					 int *lenp);
-