search_op
union acpi_parse_object *search_op;
search_op = start_op;
while (search_op) {
search_op->common.aml_offset += base_aml_offset;
search_op =
acpi_ps_get_depth_next(start_op, search_op);
sym = search_op(prev_state_field, arg->op.left);
sym = search_op(prev_state_field, arg->op.right);
sym = search_op(state_field, arg);