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| author | Peng Fan <van.freenix@gmail.com> | 2016-02-01 13:31:15 +0800 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2016-02-06 14:43:04 +0100 |
| commit | 1889a7e275c82cfa120004595a652e834c3723e1 (patch) | |
| tree | 88d8f58ab620d456940dff9dd373bff66e4189c4 /lib | |
| parent | c4a45d4bdd68a24dd60fc3905649d23f7aec8a80 (diff) | |
| download | u-boot-1889a7e275c82cfa120004595a652e834c3723e1.tar.gz | |
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.c | 11 |
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) { |