This patch add a function used to get the child count of a ofnode
Signed-off-by: Chunfeng Yun chunfeng.yun@mediatek.com --- include/dm/ofnode.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index b5a50e8849..b2c0118a36 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -793,6 +793,23 @@ ofnode ofnode_by_prop_value(ofnode from, const char *propname, ofnode_valid(node); \ node = ofnode_next_subnode(node))
+/** + * ofnode_get_child_count() - get the child count of a ofnode + * + * @node: valid node ot get its child count + * @return the count of child subnode + */ +static inline int ofnode_get_child_count(ofnode parent) +{ + ofnode child; + int num = 0; + + ofnode_for_each_subnode(child, parent) + num++; + + return num; +} + /** * ofnode_translate_address() - Translate a device-tree address *