19 static void tb_scan_port(struct tb_port *port);
34 static void tb_scan_port(struct tb_port *port)  in tb_scan_port()  argument
37 	if (tb_is_upstream_port(port))  in tb_scan_port()
39 	if (port->config.type != TB_TYPE_PORT)  in tb_scan_port()
41 	if (port->dual_link_port && port->link_nr)  in tb_scan_port()
46 	if (tb_wait_for_port(port, false) <= 0)  in tb_scan_port()
48 	if (port->remote) {  in tb_scan_port()
49 		tb_port_WARN(port, "port already has a remote!\n");  in tb_scan_port()
52 	sw = tb_switch_alloc(port->sw->tb, tb_downstream_route(port));  in tb_scan_port()
55 	port->remote = tb_upstream_port(sw);  in tb_scan_port()
56 	tb_upstream_port(sw)->remote = port;  in tb_scan_port()
83 		struct tb_port *port = &sw->ports[i];  in tb_free_unplugged_children()  local
84 		if (tb_is_upstream_port(port))  in tb_free_unplugged_children()
86 		if (!port->remote)  in tb_free_unplugged_children()
88 		if (port->remote->sw->is_unplugged) {  in tb_free_unplugged_children()
89 			tb_switch_free(port->remote->sw);  in tb_free_unplugged_children()
90 			port->remote = NULL;  in tb_free_unplugged_children()
92 			tb_free_unplugged_children(port->remote->sw);  in tb_free_unplugged_children()
207 	u8 port;  member
221 	struct tb_port *port;  in tb_handle_hotplug()  local
230 			ev->route, ev->port, ev->unplug);  in tb_handle_hotplug()
233 	if (ev->port > sw->config.max_port_number) {  in tb_handle_hotplug()
236 			ev->route, ev->port, ev->unplug);  in tb_handle_hotplug()
239 	port = &sw->ports[ev->port];  in tb_handle_hotplug()
240 	if (tb_is_upstream_port(port)) {  in tb_handle_hotplug()
243 			ev->route, ev->port, ev->unplug);  in tb_handle_hotplug()
247 		if (port->remote) {  in tb_handle_hotplug()
248 			tb_port_info(port, "unplugged\n");  in tb_handle_hotplug()
249 			tb_sw_set_unpplugged(port->remote->sw);  in tb_handle_hotplug()
251 			tb_switch_free(port->remote->sw);  in tb_handle_hotplug()
252 			port->remote = NULL;  in tb_handle_hotplug()
254 			tb_port_info(port,  in tb_handle_hotplug()
257 	} else if (port->remote) {  in tb_handle_hotplug()
258 		tb_port_info(port,  in tb_handle_hotplug()
261 		tb_port_info(port, "hotplug: scanning\n");  in tb_handle_hotplug()
262 		tb_scan_port(port);  in tb_handle_hotplug()
263 		if (!port->remote) {  in tb_handle_hotplug()
264 			tb_port_info(port, "hotplug: no switch found\n");  in tb_handle_hotplug()
265 		} else if (port->remote->sw->config.depth > 1) {  in tb_handle_hotplug()
266 			tb_sw_warn(port->remote->sw,  in tb_handle_hotplug()
269 			tb_sw_info(port->remote->sw,  in tb_handle_hotplug()
284 static void tb_schedule_hotplug_handler(void *data, u64 route, u8 port,  in tb_schedule_hotplug_handler()  argument
294 	ev->port = port;  in tb_schedule_hotplug_handler()