devp_offset
return offset_devp(fdt_parent_offset(fdt, devp_offset(devp)));
offset = fdt_add_subnode(fdt, devp_offset(devp), name);
offset = fdt_add_subnode(fdt, devp_offset(devp), name);
rc = fdt_get_path(fdt, devp_offset(devp), buf, len);
p = fdt_getprop(fdt, devp_offset(devp), name, &len);
rc = fdt_setprop(fdt, devp_offset(devp), name, buf, len);
rc = fdt_setprop(fdt, devp_offset(devp), name, buf, len);
return fdt_del_node(fdt, devp_offset(devp));