FROMGIT: add fdt_path_getprop_namelen() helper
Add a wrapper for fdt_getprop_namelen() allowing one to specify the node
by path instead of offset.
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
(cherry-picked from commit df093279282ca0cff4d20ceb3bb5857117ed4cc4 git://git.kernel.org/pub/scm/utils/dtc/dtc.git main)
Test: N/A
Change-Id: If9a102a622dfa726b7cb10f58c38f1b52d233be6
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c
index e61df25..31f78e2 100644
--- a/libfdt/fdt_ro.c
+++ b/libfdt/fdt_ro.c
@@ -525,6 +525,18 @@
return fdt32_ld_(php);
}
+static const void *fdt_path_getprop_namelen(const void *fdt, const char *path,
+ const char *propname, int propnamelen,
+ int *lenp)
+{
+ int offset = fdt_path_offset(fdt, path);
+
+ if (offset < 0)
+ return NULL;
+
+ return fdt_getprop_namelen(fdt, offset, propname, propnamelen, lenp);
+}
+
const char *fdt_get_alias_namelen(const void *fdt,
const char *name, int namelen)
{