198 	struct usb_port *peer = port_dev->peer;  in usb_port_runtime_resume()  local
210 	 * Power on our usb3 peer before this usb2 port to prevent a usb3  in usb_port_runtime_resume()
213 	if (!port_dev->is_superspeed && peer)  in usb_port_runtime_resume()
214 		pm_runtime_get_sync(&peer->dev);  in usb_port_runtime_resume()
256 	struct usb_port *peer = port_dev->peer;  in usb_port_runtime_suspend()  local
283 	 * Our peer usb3 port may now be able to suspend, so  in usb_port_runtime_suspend()
287 	if (!port_dev->is_superspeed && peer)  in usb_port_runtime_suspend()
288 		pm_runtime_put(&peer->dev);  in usb_port_runtime_suspend()
326 	if (left->peer == right && right->peer == left)  in link_peers()
329 	if (left->peer || right->peer) {  in link_peers()
330 		struct usb_port *lpeer = left->peer;  in link_peers()
331 		struct usb_port *rpeer = right->peer;  in link_peers()
339 		pr_debug("usb: failed to peer %s and %s by %s (%s:%s) (%s:%s)\n",  in link_peers()
348 	rc = sysfs_create_link(&left->dev.kobj, &right->dev.kobj, "peer");  in link_peers()
351 	rc = sysfs_create_link(&right->dev.kobj, &left->dev.kobj, "peer");  in link_peers()
353 		sysfs_remove_link(&left->dev.kobj, "peer");  in link_peers()
359 	 * setting ->peer with usb_port_runtime_suspend().  Otherwise we  in link_peers()
373 	left->peer = right;  in link_peers()
374 	right->peer = left;  in link_peers()
398 		dev_dbg(&left->dev, "failed to peer to %s (%d)\n",  in link_peers_report()
409 	WARN(right->peer != left || left->peer != right,  in unlink_peers()
416 	 * when ->peer is !NULL.  in unlink_peers()
428 	sysfs_remove_link(&left->dev.kobj, "peer");  in unlink_peers()
429 	right->peer = NULL;  in unlink_peers()
430 	sysfs_remove_link(&right->dev.kobj, "peer");  in unlink_peers()
431 	left->peer = NULL;  in unlink_peers()
442  * peer domain of the given port_dev, and if it is check to see if it
449 	struct usb_port *port_dev = p, *peer;  in match_location()  local
458 	/* peer_hcd is provisional until we verify it against the known peer */  in match_location()
463 		peer = peer_hub->ports[port1 - 1];  in match_location()
464 		if (peer && peer->location == port_dev->location) {  in match_location()
465 			link_peers_report(port_dev, peer);  in match_location()
474  * Find the peer port either via explicit platform firmware "location"
475  * data, the peer hcd for root hubs, or the upstream peer relationship
480 	struct usb_port *port_dev = hub->ports[port1 - 1], *peer;  in find_and_link_peer()  local
486 	 * If location data is available then we can only peer this port  in find_and_link_peer()
487 	 * by a location match, not the default peer (lest we create a  in find_and_link_peer()
492 		/* we link the peer in match_location() if found */  in find_and_link_peer()
512 		if (!upstream || !upstream->peer)  in find_and_link_peer()
515 		peer_hdev = upstream->peer->child;  in find_and_link_peer()
523 	 * we found a valid default peer, last check is to make sure it  in find_and_link_peer()
526 	peer = peer_hub->ports[port1 - 1];  in find_and_link_peer()
527 	if (peer && peer->location == 0)  in find_and_link_peer()
528 		link_peers_report(port_dev, peer);  in find_and_link_peer()
617 	struct usb_port *peer;  in usb_hub_remove_port_device()  local
619 	peer = port_dev->peer;  in usb_hub_remove_port_device()
620 	if (peer)  in usb_hub_remove_port_device()
621 		unlink_peers(port_dev, peer);  in usb_hub_remove_port_device()