971 	struct tb_switch *parent_sw;  in margining_switch_init()  local
978 	parent_sw = tb_switch_parent(sw);  in margining_switch_init()
979 	downstream = tb_port_at(route, parent_sw);  in margining_switch_init()
988 	struct tb_switch *parent_sw;  in margining_switch_remove()  local
995 	parent_sw = tb_switch_parent(sw);  in margining_switch_remove()
996 	downstream = tb_port_at(route, parent_sw);  in margining_switch_remove()
1004 	struct tb_switch *parent_sw;  in margining_xdomain_init()  local
1007 	parent_sw = tb_xdomain_parent(xd);  in margining_xdomain_init()
1008 	downstream = tb_port_at(xd->route, parent_sw);  in margining_xdomain_init()
1015 	struct tb_switch *parent_sw;  in margining_xdomain_remove()  local
1018 	parent_sw = tb_xdomain_parent(xd);  in margining_xdomain_remove()
1019 	downstream = tb_port_at(xd->route, parent_sw);  in margining_xdomain_remove()