428 	struct tty_struct *tty;  in sdio_uart_transmit_chars()  local
439 	tty = tty_port_tty_get(&port->port);  in sdio_uart_transmit_chars()
441 	if (tty == NULL || !kfifo_len(xmit) ||  in sdio_uart_transmit_chars()
442 				tty->stopped || tty->hw_stopped) {  in sdio_uart_transmit_chars()
444 		tty_kref_put(tty);  in sdio_uart_transmit_chars()
456 		tty_wakeup(tty);  in sdio_uart_transmit_chars()
460 	tty_kref_put(tty);  in sdio_uart_transmit_chars()
466 	struct tty_struct *tty;  in sdio_uart_check_modem_status()  local
489 		tty = tty_port_tty_get(&port->port);  in sdio_uart_check_modem_status()
490 		if (tty && C_CRTSCTS(tty)) {  in sdio_uart_check_modem_status()
492 			if (tty->hw_stopped) {  in sdio_uart_check_modem_status()
494 					tty->hw_stopped = 0;  in sdio_uart_check_modem_status()
496 					tty_wakeup(tty);  in sdio_uart_check_modem_status()
500 					tty->hw_stopped = 1;  in sdio_uart_check_modem_status()
505 		tty_kref_put(tty);  in sdio_uart_check_modem_status()
594 static int sdio_uart_activate(struct tty_port *tport, struct tty_struct *tty)  in sdio_uart_activate()  argument
604 	set_bit(TTY_IO_ERROR, &tty->flags);  in sdio_uart_activate()
643 	sdio_uart_change_speed(port, &tty->termios, NULL);  in sdio_uart_activate()
645 	if (C_BAUD(tty))  in sdio_uart_activate()
648 	if (C_CRTSCTS(tty))  in sdio_uart_activate()
650 			tty->hw_stopped = 1;  in sdio_uart_activate()
652 	clear_bit(TTY_IO_ERROR, &tty->flags);  in sdio_uart_activate()
726 static int sdio_uart_install(struct tty_driver *driver, struct tty_struct *tty)  in sdio_uart_install()  argument
728 	int idx = tty->index;  in sdio_uart_install()
730 	int ret = tty_standard_install(driver, tty);  in sdio_uart_install()
734 		tty->driver_data = port;  in sdio_uart_install()
748 static void sdio_uart_cleanup(struct tty_struct *tty)  in sdio_uart_cleanup()  argument
750 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_cleanup()
751 	tty->driver_data = NULL;	/* Bug trap */  in sdio_uart_cleanup()
759 static int sdio_uart_open(struct tty_struct *tty, struct file *filp)  in sdio_uart_open()  argument
761 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_open()
762 	return tty_port_open(&port->port, tty, filp);  in sdio_uart_open()
765 static void sdio_uart_close(struct tty_struct *tty, struct file * filp)  in sdio_uart_close()  argument
767 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_close()
768 	tty_port_close(&port->port, tty, filp);  in sdio_uart_close()
771 static void sdio_uart_hangup(struct tty_struct *tty)  in sdio_uart_hangup()  argument
773 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_hangup()
777 static int sdio_uart_write(struct tty_struct *tty, const unsigned char *buf,  in sdio_uart_write()  argument
780 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_write()
800 static int sdio_uart_write_room(struct tty_struct *tty)  in sdio_uart_write_room()  argument
802 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_write_room()
806 static int sdio_uart_chars_in_buffer(struct tty_struct *tty)  in sdio_uart_chars_in_buffer()  argument
808 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_chars_in_buffer()
812 static void sdio_uart_send_xchar(struct tty_struct *tty, char ch)  in sdio_uart_send_xchar()  argument
814 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_send_xchar()
826 static void sdio_uart_throttle(struct tty_struct *tty)  in sdio_uart_throttle()  argument
828 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_throttle()
830 	if (!I_IXOFF(tty) && !C_CRTSCTS(tty))  in sdio_uart_throttle()
836 	if (I_IXOFF(tty)) {  in sdio_uart_throttle()
837 		port->x_char = STOP_CHAR(tty);  in sdio_uart_throttle()
841 	if (C_CRTSCTS(tty))  in sdio_uart_throttle()
848 static void sdio_uart_unthrottle(struct tty_struct *tty)  in sdio_uart_unthrottle()  argument
850 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_unthrottle()
852 	if (!I_IXOFF(tty) && !C_CRTSCTS(tty))  in sdio_uart_unthrottle()
858 	if (I_IXOFF(tty)) {  in sdio_uart_unthrottle()
862 			port->x_char = START_CHAR(tty);  in sdio_uart_unthrottle()
867 	if (C_CRTSCTS(tty))  in sdio_uart_unthrottle()
874 static void sdio_uart_set_termios(struct tty_struct *tty,  in sdio_uart_set_termios()  argument
877 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_set_termios()
878 	unsigned int cflag = tty->termios.c_cflag;  in sdio_uart_set_termios()
883 	sdio_uart_change_speed(port, &tty->termios, old_termios);  in sdio_uart_set_termios()
892 		if (!(cflag & CRTSCTS) || !tty_throttled(tty))  in sdio_uart_set_termios()
899 		tty->hw_stopped = 0;  in sdio_uart_set_termios()
906 			tty->hw_stopped = 1;  in sdio_uart_set_termios()
914 static int sdio_uart_break_ctl(struct tty_struct *tty, int break_state)  in sdio_uart_break_ctl()  argument
916 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_break_ctl()
933 static int sdio_uart_tiocmget(struct tty_struct *tty)  in sdio_uart_tiocmget()  argument
935 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_tiocmget()
947 static int sdio_uart_tiocmset(struct tty_struct *tty,  in sdio_uart_tiocmset()  argument
950 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_tiocmset()