148 	struct tty_struct *tty = hu->tty;  in hci_uart_write_work()  local
162 		set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);  in hci_uart_write_work()
163 		len = tty->ops->write(tty, skb->data, skb->len);  in hci_uart_write_work()
228 	struct tty_struct *tty = hu->tty;  in hci_uart_flush()  local
230 	BT_DBG("hdev %p tty %p", hdev, tty);  in hci_uart_flush()
237 	tty_ldisc_flush(tty);  in hci_uart_flush()
238 	tty_driver_flush_buffer(tty);  in hci_uart_flush()
301 	if (hu->tty->driver->ops->tiocmget && hu->tty->driver->ops->tiocmset)  in hci_uart_has_flow_control()
310 	struct tty_struct *tty = hu->tty;  in hci_uart_set_flow_control()  local
324 		ktermios = tty->termios;  in hci_uart_set_flow_control()
326 		status = tty_set_termios(tty, &ktermios);  in hci_uart_set_flow_control()
332 		status = tty->driver->ops->tiocmget(tty);  in hci_uart_set_flow_control()
341 		status = tty->driver->ops->tiocmset(tty, set, clear);  in hci_uart_set_flow_control()
345 		status = tty->driver->ops->tiocmget(tty);  in hci_uart_set_flow_control()
354 		status = tty->driver->ops->tiocmset(tty, set, clear);  in hci_uart_set_flow_control()
358 		ktermios = tty->termios;  in hci_uart_set_flow_control()
360 		status = tty_set_termios(tty, &ktermios);  in hci_uart_set_flow_control()
375 	struct tty_struct *tty = hu->tty;  in hci_uart_set_baudrate()  local
378 	ktermios = tty->termios;  in hci_uart_set_baudrate()
383 	tty_set_termios(tty, &ktermios);  in hci_uart_set_baudrate()
386 	       tty->termios.c_ispeed, tty->termios.c_ospeed);  in hci_uart_set_baudrate()
476 static int hci_uart_tty_open(struct tty_struct *tty)  in hci_uart_tty_open()  argument
480 	BT_DBG("tty %p", tty);  in hci_uart_tty_open()
485 	if (tty->ops->write == NULL)  in hci_uart_tty_open()
494 	tty->disc_data = hu;  in hci_uart_tty_open()
495 	hu->tty = tty;  in hci_uart_tty_open()
496 	tty->receive_room = 65536;  in hci_uart_tty_open()
508 	tty_driver_flush_buffer(tty);  in hci_uart_tty_open()
518 static void hci_uart_tty_close(struct tty_struct *tty)  in hci_uart_tty_close()  argument
520 	struct hci_uart *hu = tty->disc_data;  in hci_uart_tty_close()
523 	BT_DBG("tty %p", tty);  in hci_uart_tty_close()
526 	tty->disc_data = NULL;  in hci_uart_tty_close()
565 static void hci_uart_tty_wakeup(struct tty_struct *tty)  in hci_uart_tty_wakeup()  argument
567 	struct hci_uart *hu = tty->disc_data;  in hci_uart_tty_wakeup()
574 	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);  in hci_uart_tty_wakeup()
576 	if (tty != hu->tty)  in hci_uart_tty_wakeup()
595 static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data,  in hci_uart_tty_receive()  argument
598 	struct hci_uart *hu = tty->disc_data;  in hci_uart_tty_receive()
600 	if (!hu || tty != hu->tty)  in hci_uart_tty_receive()
619 	tty_unthrottle(tty);  in hci_uart_tty_receive()
653 	SET_HCIDEV_DEV(hdev, hu->tty->dev);  in hci_uart_register_dev()
745 static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file *file,  in hci_uart_tty_ioctl()  argument
748 	struct hci_uart *hu = tty->disc_data;  in hci_uart_tty_ioctl()
793 		err = n_tty_ioctl_helper(tty, file, cmd, arg);  in hci_uart_tty_ioctl()
803 static ssize_t hci_uart_tty_read(struct tty_struct *tty, struct file *file,  in hci_uart_tty_read()  argument
810 static ssize_t hci_uart_tty_write(struct tty_struct *tty, struct file *file,  in hci_uart_tty_write()  argument
816 static __poll_t hci_uart_tty_poll(struct tty_struct *tty,  in hci_uart_tty_poll()  argument