SUBTRACTIVE_ROUTING
phy->routing_attr == SUBTRACTIVE_ROUTING) {
phy->routing_attr == SUBTRACTIVE_ROUTING) {
if (parent_phy->routing_attr != SUBTRACTIVE_ROUTING ||
} else if (parent_phy->routing_attr == SUBTRACTIVE_ROUTING) {
if (child_phy->routing_attr == SUBTRACTIVE_ROUTING)
if (child_phy->routing_attr != SUBTRACTIVE_ROUTING &&
child_phy->routing_attr == SUBTRACTIVE_ROUTING)
case SUBTRACTIVE_ROUTING: