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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 /include/fdtdec.h | |
| parent | c4a45d4bdd68a24dd60fc3905649d23f7aec8a80 (diff) | |
| download | u-boot-imx-1889a7e275c82cfa120004595a652e834c3723e1.zip u-boot-imx-1889a7e275c82cfa120004595a652e834c3723e1.tar.gz u-boot-imx-1889a7e275c82cfa120004595a652e834c3723e1.tar.bz2 | |
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 'include/fdtdec.h')
| -rw-r--r-- | include/fdtdec.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/fdtdec.h b/include/fdtdec.h index dd82916..d1c29a8 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -722,6 +722,15 @@ const u32 *fdtdec_locate_array(const void *blob, int node, */ int fdtdec_get_bool(const void *blob, int node, const char *prop_name); +/* + * Count child nodes of one parent node. + * + * @param blob FDT blob + * @param node parent node + * @return number of child node; 0 if there is not child node + */ +int fdtdec_get_child_count(const void *blob, int node); + /** * Look in the FDT for a config item with the given name and return its value * as a 32-bit integer. The property must have at least 4 bytes of data. The |