2154 	struct device *tty_dev;  in uart_suspend_port()  local
2159 	tty_dev = device_find_child(uport->dev, &match, serial_match_port);  in uart_suspend_port()
2160 	if (tty_dev && device_may_wakeup(tty_dev)) {  in uart_suspend_port()
2162 		put_device(tty_dev);  in uart_suspend_port()
2166 	put_device(tty_dev);  in uart_suspend_port()
2216 	struct device *tty_dev;  in uart_resume_port()  local
2222 	tty_dev = device_find_child(uport->dev, &match, serial_match_port);  in uart_resume_port()
2223 	if (!uport->suspended && device_may_wakeup(tty_dev)) {  in uart_resume_port()
2226 		put_device(tty_dev);  in uart_resume_port()
2230 	put_device(tty_dev);  in uart_resume_port()
2793 	struct device *tty_dev;  in uart_add_one_port()  local
2861 	tty_dev = tty_port_register_device_attr_serdev(port, drv->tty_driver,  in uart_add_one_port()
2863 	if (!IS_ERR(tty_dev)) {  in uart_add_one_port()
2864 		device_set_wakeup_capable(tty_dev, 1);  in uart_add_one_port()