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authorPeng Fan <van.freenix@gmail.com>2016-02-01 13:31:15 +0800
committerAnatolij Gustschin <agust@denx.de>2016-02-06 14:43:04 +0100
commit1889a7e275c82cfa120004595a652e834c3723e1 (patch)
tree88d8f58ab620d456940dff9dd373bff66e4189c4 /lib
parentc4a45d4bdd68a24dd60fc3905649d23f7aec8a80 (diff)
downloadtalos-obmc-uboot-1889a7e275c82cfa120004595a652e834c3723e1.tar.gz
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fdt: introduce fdtdec_get_child_count
Introduce fdtdec_get_child_count for get the number of subnodes of one parent node. Signed-off-by: Peng Fan <van.freenix@gmail.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/fdtdec.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 0eb56af4d6..1b1ca02e69 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -831,6 +831,17 @@ int fdtdec_parse_phandle_with_args(const void *blob, int src_node,
return rc;
}
+int fdtdec_get_child_count(const void *blob, int node)
+{
+ int subnode;
+ int num = 0;
+
+ fdt_for_each_subnode(blob, subnode, node)
+ num++;
+
+ return num;
+}
+
int fdtdec_get_byte_array(const void *blob, int node, const char *prop_name,
u8 *array, int count)
{
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