484 static int link_peers(struct usb_port *left, struct usb_port *right)  in link_peers()  argument
489 	if (left->peer == right && right->peer == left)  in link_peers()
492 	if (left->peer || right->peer) {  in link_peers()
494 		struct usb_port *rpeer = right->peer;  in link_peers()
497 		if (left->location && left->location == right->location)  in link_peers()
503 			dev_name(&left->dev), dev_name(&right->dev), method,  in link_peers()
506 			dev_name(&right->dev),  in link_peers()
511 	rc = sysfs_create_link(&left->dev.kobj, &right->dev.kobj, "peer");  in link_peers()
514 	rc = sysfs_create_link(&right->dev.kobj, &left->dev.kobj, "peer");  in link_peers()
527 		WARN_ON(right->is_superspeed);  in link_peers()
528 		hs_port = right;  in link_peers()
530 		ss_port = right;  in link_peers()
531 		WARN_ON(!right->is_superspeed);  in link_peers()
536 	left->peer = right;  in link_peers()
537 	right->peer = left;  in link_peers()
553 static void link_peers_report(struct usb_port *left, struct usb_port *right)  in link_peers_report()  argument
557 	rc = link_peers(left, right);  in link_peers_report()
559 		dev_dbg(&left->dev, "peered to %s\n", dev_name(&right->dev));  in link_peers_report()
562 				dev_name(&right->dev), rc);  in link_peers_report()
568 static void unlink_peers(struct usb_port *left, struct usb_port *right)  in unlink_peers()  argument
572 	WARN(right->peer != left || left->peer != right,  in unlink_peers()
574 			dev_name(&left->dev), dev_name(&right->dev));  in unlink_peers()
583 		hs_port = right;  in unlink_peers()
585 		ss_port = right;  in unlink_peers()
592 	right->peer = NULL;  in unlink_peers()
593 	sysfs_remove_link(&right->dev.kobj, "peer");  in unlink_peers()