From 3234aa4babd79bf92239409145db4fda2f505051 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 23 Jul 2014 06:55:16 -0600 Subject: fdt: Add a function to get the node offset of an alias This simple function returns the node offset of a named alias. Signed-off-by: Simon Glass --- include/fdtdec.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'include/fdtdec.h') diff --git a/include/fdtdec.h b/include/fdtdec.h index f454f7e..856e6cf 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -363,6 +363,17 @@ int fdtdec_add_aliases_for_id(const void *blob, const char *name, int fdtdec_get_alias_seq(const void *blob, const char *base, int node, int *seqp); +/** + * Get the offset of the given alias node + * + * This looks up an alias in /aliases then finds the offset of that node. + * + * @param blob Device tree blob (if NULL, then error is returned) + * @param name Alias name, e.g. "console" + * @return Node offset referred to by that alias, or -ve FDT_ERR_... + */ +int fdtdec_get_alias_node(const void *blob, const char *name); + /* * Get the name for a compatible ID * -- cgit v1.1