[PATCH 02/29] of: export of_find_child

[Sascha Hauer]

of_find_child is a useful function. Export it and rename it to
of_find_child_by_name.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/of/base.c |   16 +++-------------
 include/of.h      |    2 ++
 2 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index e853add..f016f90 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -854,23 +854,13 @@ int of_probe(void)
 	return 0;
 }
 
-static struct device_node *of_find_child(struct device_node *node, const char *name)
+struct device_node *of_find_child_by_name(struct device_node *node, const char *name)
 {
 	struct device_node *_n;
 
-	if (!root_node)
-		return NULL;
-
-	if (!node && !*name)
-		return root_node;
-
-	if (!node)
-		node = root_node;
-
-	list_for_each_entry(_n, &node->children, parent_list) {
+	device_node_for_nach_child(node, _n)
 		if (!strcmp(_n->name, name))
 			return _n;
-	}
 
 	return NULL;
 }
@@ -919,7 +909,7 @@ int of_unflatten_dtb(struct fdt_header *fdt)
 			if (!node) {
 				node = root;
 			} else {
-				if ((n = of_find_child(node, pathp))) {
+				if ((n = of_find_child_by_name(node, pathp))) {
 					node = n;
 				} else {
 					node = of_new_node(node, pathp);
diff --git a/include/of.h b/include/of.h
index d3a310f..59bdc6e 100644
--- a/include/of.h
+++ b/include/of.h
@@ -58,6 +58,8 @@ struct property *of_find_property(const struct device_node *node, const char *na
 
 struct device_node *of_find_node_by_path(const char *path);
 
+struct device_node *of_find_child_by_name(struct device_node *node, const char *name);
+
 struct fdt_header *fdt_get_tree(void);
 
 #define device_node_for_nach_child(node, child) \
-- 
1.7.10.4