dm: core: Support copying properties with ofnode
Add a function to copy properties from one node to another.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 39636a5..14bbfe7 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -1557,3 +1557,27 @@
return ret; /* 0 or -EEXIST */
}
+
+int ofnode_copy_props(ofnode src, ofnode dst)
+{
+ struct ofprop prop;
+
+ ofnode_for_each_prop(prop, src) {
+ const char *name;
+ const char *val;
+ int len, ret;
+
+ val = ofprop_get_property(&prop, &name, &len);
+ if (!val) {
+ log_debug("Cannot read prop (err=%d)\n", len);
+ return log_msg_ret("get", -EINVAL);
+ }
+ ret = ofnode_write_prop(dst, name, val, len, true);
+ if (ret) {
+ log_debug("Cannot write prop (err=%d)\n", ret);
+ return log_msg_ret("wr", -EINVAL);
+ }
+ }
+
+ return 0;
+}