86 	struct tty_struct *tty = nu->tty;  in nci_uart_write_work()  local
98 		set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);  in nci_uart_write_work()
99 		len = tty->ops->write(tty, skb->data, skb->len);  in nci_uart_write_work()
117 static int nci_uart_set_driver(struct tty_struct *tty, unsigned int driver)  in nci_uart_set_driver()  argument
133 	nu->tty = tty;  in nci_uart_set_driver()
134 	tty->disc_data = nu;  in nci_uart_set_driver()
141 		tty->disc_data = NULL;  in nci_uart_set_driver()
145 		tty->disc_data = NULL;  in nci_uart_set_driver()
163 static int nci_uart_tty_open(struct tty_struct *tty)  in nci_uart_tty_open()  argument
168 	if (!tty->ops->write)  in nci_uart_tty_open()
171 	tty->disc_data = NULL;  in nci_uart_tty_open()
172 	tty->receive_room = 65536;  in nci_uart_tty_open()
175 	tty_driver_flush_buffer(tty);  in nci_uart_tty_open()
185 static void nci_uart_tty_close(struct tty_struct *tty)  in nci_uart_tty_close()  argument
187 	struct nci_uart *nu = (void *)tty->disc_data;  in nci_uart_tty_close()
190 	tty->disc_data = NULL;  in nci_uart_tty_close()
201 	nu->tty = NULL;  in nci_uart_tty_close()
217 static void nci_uart_tty_wakeup(struct tty_struct *tty)  in nci_uart_tty_wakeup()  argument
219 	struct nci_uart *nu = (void *)tty->disc_data;  in nci_uart_tty_wakeup()
224 	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);  in nci_uart_tty_wakeup()
226 	if (tty != nu->tty)  in nci_uart_tty_wakeup()
244 static void nci_uart_tty_receive(struct tty_struct *tty, const u8 *data,  in nci_uart_tty_receive()  argument
247 	struct nci_uart *nu = (void *)tty->disc_data;  in nci_uart_tty_receive()
249 	if (!nu || tty != nu->tty)  in nci_uart_tty_receive()
256 	tty_unthrottle(tty);  in nci_uart_tty_receive()
272 static int nci_uart_tty_ioctl(struct tty_struct *tty, struct file *file,  in nci_uart_tty_ioctl()  argument
275 	struct nci_uart *nu = (void *)tty->disc_data;  in nci_uart_tty_ioctl()
281 			return nci_uart_set_driver(tty, (unsigned int)arg);  in nci_uart_tty_ioctl()
286 		err = n_tty_ioctl_helper(tty, file, cmd, arg);  in nci_uart_tty_ioctl()
294 static ssize_t nci_uart_tty_read(struct tty_struct *tty, struct file *file,  in nci_uart_tty_read()  argument
301 static ssize_t nci_uart_tty_write(struct tty_struct *tty, struct file *file,  in nci_uart_tty_write()  argument
307 static __poll_t nci_uart_tty_poll(struct tty_struct *tty,  in nci_uart_tty_poll()  argument
336 		nfc_err(nu->tty->dev,  in nci_uart_default_recv_buf()
381 				nfc_err(nu->tty->dev, "corrupted RX packet\n");  in nci_uart_default_recv_buf()
438 	if (!nu->tty)  in nci_uart_set_config()
441 	down_read(&nu->tty->termios_rwsem);  in nci_uart_set_config()
442 	new_termios = nu->tty->termios;  in nci_uart_set_config()
443 	up_read(&nu->tty->termios_rwsem);  in nci_uart_set_config()
451 	tty_set_termios(nu->tty, &new_termios);  in nci_uart_set_config()