1796 	struct tb_switch *parent_sw;  in margining_switch_init()  local
1803 	parent_sw = tb_switch_parent(sw);  in margining_switch_init()
1804 	downstream = tb_port_at(route, parent_sw);  in margining_switch_init()
1813 	struct tb_switch *parent_sw;  in margining_switch_remove()  local
1820 	parent_sw = tb_switch_parent(sw);  in margining_switch_remove()
1821 	downstream = tb_port_at(route, parent_sw);  in margining_switch_remove()
1829 	struct tb_switch *parent_sw;  in margining_xdomain_init()  local
1832 	parent_sw = tb_xdomain_parent(xd);  in margining_xdomain_init()
1833 	downstream = tb_port_at(xd->route, parent_sw);  in margining_xdomain_init()
1840 	struct tb_switch *parent_sw;  in margining_xdomain_remove()  local
1843 	parent_sw = tb_xdomain_parent(xd);  in margining_xdomain_remove()
1844 	downstream = tb_port_at(xd->route, parent_sw);  in margining_xdomain_remove()