tty_port_register_device_attr
tty_dev = tty_port_register_device_attr(&channel->tty_port, drv,
tty_dev = tty_port_register_device_attr(&vk->tty[i].port,
serial->parent->dev = tty_port_register_device_attr(&serial->port,
return tty_port_register_device_attr(port, driver, index, device, NULL, NULL);
EXPORT_SYMBOL_GPL(tty_port_register_device_attr);
struct device *tty_port_register_device_attr(struct tty_port *port,