of_changeset_update_property
return of_changeset_update_property(ocs, node, prop);
of_changeset_update_property(&priv->chan[i].chgset, adap_np, &props[i]);
ret = of_changeset_update_property(ocs, np, new_pp);
ret = of_changeset_update_property(&ovcs->cset, target->np,
unittest(!of_changeset_update_property(&chgset, parent, ppupdate), "fail update prop\n");