77             .subnode(node_name)  in collect_all_references_by_path()
79         if let Some(n) = fixup_node.subnode(node_name) {  in collect_all_references_by_path()
97         for subnode in node.iter_subnodes() {  in get_all_phandles()
98             nodes.push_back((subnode, path.push(&subnode.name).unwrap()));  in get_all_phandles()
121     let Some(local_fixups_node) = fdt.root.subnode(LOCAL_FIXUPS_NODE) else {  in collect_all_filtered_paths()
159                 .subnode(node_name)  in do_overlay_filter()
223     let Some(local_fixups_node) = fdt.root.subnode(LOCAL_FIXUPS_NODE) else {  in collect_local_fixup_paths()
282     let symbols_node = fdt.root.subnode(SYMBOLS_NODE)?;  in get_symbol_path_and_phandle()
291     let Some(fixups_node) = overlay.root.subnode(FIXUPS_NODE) else {  in apply_external_fixups()
350     let Some(overlay_node) = fragment_node.subnode(OVERLAY_NODE) else {  in overlay_fragment()
389     let Some(overlay_symbols_node) = overlay.root.subnode(SYMBOLS_NODE) else {  in update_base_symbols()
407         let fragment_node = overlay.root.subnode(fragment_name).ok_or_else(|| {  in update_base_symbols()
747         let symbols = base.root.subnode(SYMBOLS_NODE).unwrap();  in fdt_overlay_filtered_symbols()
755         let symbols = base.root.subnode(SYMBOLS_NODE).unwrap();  in fdt_overlay_filtered_symbols()