148 	struct tty_struct *tty = hu->tty;  in hci_uart_write_work()  local
167 		set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);  in hci_uart_write_work()
168 		len = tty->ops->write(tty, skb->data, skb->len);  in hci_uart_write_work()
233 	struct tty_struct *tty = hu->tty;  in hci_uart_flush()  local
235 	BT_DBG("hdev %p tty %p", hdev, tty);  in hci_uart_flush()
242 	tty_ldisc_flush(tty);  in hci_uart_flush()
243 	tty_driver_flush_buffer(tty);  in hci_uart_flush()
306 	if (hu->tty->driver->ops->tiocmget && hu->tty->driver->ops->tiocmset)  in hci_uart_has_flow_control()
315 	struct tty_struct *tty = hu->tty;  in hci_uart_set_flow_control()  local
329 		ktermios = tty->termios;  in hci_uart_set_flow_control()
331 		status = tty_set_termios(tty, &ktermios);  in hci_uart_set_flow_control()
337 		status = tty->driver->ops->tiocmget(tty);  in hci_uart_set_flow_control()
346 		status = tty->driver->ops->tiocmset(tty, set, clear);  in hci_uart_set_flow_control()
350 		status = tty->driver->ops->tiocmget(tty);  in hci_uart_set_flow_control()
359 		status = tty->driver->ops->tiocmset(tty, set, clear);  in hci_uart_set_flow_control()
363 		ktermios = tty->termios;  in hci_uart_set_flow_control()
365 		status = tty_set_termios(tty, &ktermios);  in hci_uart_set_flow_control()
380 	struct tty_struct *tty = hu->tty;  in hci_uart_set_baudrate()  local
383 	ktermios = tty->termios;  in hci_uart_set_baudrate()
388 	tty_set_termios(tty, &ktermios);  in hci_uart_set_baudrate()
391 	       tty->termios.c_ispeed, tty->termios.c_ospeed);  in hci_uart_set_baudrate()
481 static int hci_uart_tty_open(struct tty_struct *tty)  in hci_uart_tty_open()  argument
485 	BT_DBG("tty %p", tty);  in hci_uart_tty_open()
490 	if (tty->ops->write == NULL)  in hci_uart_tty_open()
504 	tty->disc_data = hu;  in hci_uart_tty_open()
505 	hu->tty = tty;  in hci_uart_tty_open()
506 	tty->receive_room = 65536;  in hci_uart_tty_open()
516 	tty_driver_flush_buffer(tty);  in hci_uart_tty_open()
526 static void hci_uart_tty_close(struct tty_struct *tty)  in hci_uart_tty_close()  argument
528 	struct hci_uart *hu = tty->disc_data;  in hci_uart_tty_close()
531 	BT_DBG("tty %p", tty);  in hci_uart_tty_close()
534 	tty->disc_data = NULL;  in hci_uart_tty_close()
573 static void hci_uart_tty_wakeup(struct tty_struct *tty)  in hci_uart_tty_wakeup()  argument
575 	struct hci_uart *hu = tty->disc_data;  in hci_uart_tty_wakeup()
582 	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);  in hci_uart_tty_wakeup()
584 	if (tty != hu->tty)  in hci_uart_tty_wakeup()
603 static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data,  in hci_uart_tty_receive()  argument
606 	struct hci_uart *hu = tty->disc_data;  in hci_uart_tty_receive()
608 	if (!hu || tty != hu->tty)  in hci_uart_tty_receive()
627 	tty_unthrottle(tty);  in hci_uart_tty_receive()
661 	SET_HCIDEV_DEV(hdev, hu->tty->dev);  in hci_uart_register_dev()
753 static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file *file,  in hci_uart_tty_ioctl()  argument
756 	struct hci_uart *hu = tty->disc_data;  in hci_uart_tty_ioctl()
801 		err = n_tty_ioctl_helper(tty, file, cmd, arg);  in hci_uart_tty_ioctl()
811 static ssize_t hci_uart_tty_read(struct tty_struct *tty, struct file *file,  in hci_uart_tty_read()  argument
818 static ssize_t hci_uart_tty_write(struct tty_struct *tty, struct file *file,  in hci_uart_tty_write()  argument
824 static __poll_t hci_uart_tty_poll(struct tty_struct *tty,  in hci_uart_tty_poll()  argument