1795 	struct tb_switch *parent_sw;  in margining_switch_init()  local
1802 	parent_sw = tb_switch_parent(sw);  in margining_switch_init()
1803 	downstream = tb_port_at(route, parent_sw);  in margining_switch_init()
1812 	struct tb_switch *parent_sw;  in margining_switch_remove()  local
1819 	parent_sw = tb_switch_parent(sw);  in margining_switch_remove()
1820 	downstream = tb_port_at(route, parent_sw);  in margining_switch_remove()
1828 	struct tb_switch *parent_sw;  in margining_xdomain_init()  local
1831 	parent_sw = tb_xdomain_parent(xd);  in margining_xdomain_init()
1832 	downstream = tb_port_at(xd->route, parent_sw);  in margining_xdomain_init()
1839 	struct tb_switch *parent_sw;  in margining_xdomain_remove()  local
1842 	parent_sw = tb_xdomain_parent(xd);  in margining_xdomain_remove()
1843 	downstream = tb_port_at(xd->route, parent_sw);  in margining_xdomain_remove()