3  * Thunderbolt/USB4 retimer support.
219 	 * When USB4 port is online sideband communications are  in tb_retimer_set_inbound_sbtx()
222 	if (!usb4_port_device_is_offline(port->usb4))  in tb_retimer_set_inbound_sbtx()
236 	 * When USB4 port is offline we need to keep the sideband  in tb_retimer_unset_inbound_sbtx()
240 	if (usb4_port_device_is_offline(port->usb4))  in tb_retimer_unset_inbound_sbtx()
431 	rt->dev.parent = &port->usb4->dev;  in tb_retimer_add()
491 	dev = device_find_child(&port->usb4->dev, &lookup, retimer_match);  in tb_port_find_retimer()
500  * @port: USB4 port to scan
588  * @port: USB4 port whose retimers to remove
594 	struct usb4_port *usb4;  in tb_retimer_remove_all()  local
596 	usb4 = port->usb4;  in tb_retimer_remove_all()
597 	if (usb4)  in tb_retimer_remove_all()
598 		device_for_each_child_reverse(&usb4->dev, port,  in tb_retimer_remove_all()