444 static int link_peers(struct usb_port *left, struct usb_port *right)  in link_peers()  argument
449 	if (left->peer == right && right->peer == left)  in link_peers()
452 	if (left->peer || right->peer) {  in link_peers()
454 		struct usb_port *rpeer = right->peer;  in link_peers()
457 		if (left->location && left->location == right->location)  in link_peers()
463 			dev_name(&left->dev), dev_name(&right->dev), method,  in link_peers()
466 			dev_name(&right->dev),  in link_peers()
471 	rc = sysfs_create_link(&left->dev.kobj, &right->dev.kobj, "peer");  in link_peers()
474 	rc = sysfs_create_link(&right->dev.kobj, &left->dev.kobj, "peer");  in link_peers()
487 		WARN_ON(right->is_superspeed);  in link_peers()
488 		hs_port = right;  in link_peers()
490 		ss_port = right;  in link_peers()
491 		WARN_ON(!right->is_superspeed);  in link_peers()
496 	left->peer = right;  in link_peers()
497 	right->peer = left;  in link_peers()
513 static void link_peers_report(struct usb_port *left, struct usb_port *right)  in link_peers_report()  argument
517 	rc = link_peers(left, right);  in link_peers_report()
519 		dev_dbg(&left->dev, "peered to %s\n", dev_name(&right->dev));  in link_peers_report()
522 				dev_name(&right->dev), rc);  in link_peers_report()
528 static void unlink_peers(struct usb_port *left, struct usb_port *right)  in unlink_peers()  argument
532 	WARN(right->peer != left || left->peer != right,  in unlink_peers()
534 			dev_name(&left->dev), dev_name(&right->dev));  in unlink_peers()
543 		hs_port = right;  in unlink_peers()
545 		ss_port = right;  in unlink_peers()
552 	right->peer = NULL;  in unlink_peers()
553 	sysfs_remove_link(&right->dev.kobj, "peer");  in unlink_peers()