415 	struct tty_struct *tty;  in sdio_uart_transmit_chars()  local
426 	tty = tty_port_tty_get(&port->port);  in sdio_uart_transmit_chars()
428 	if (tty == NULL || !kfifo_len(xmit) ||  in sdio_uart_transmit_chars()
429 				tty->flow.stopped || tty->hw_stopped) {  in sdio_uart_transmit_chars()
431 		tty_kref_put(tty);  in sdio_uart_transmit_chars()
443 		tty_wakeup(tty);  in sdio_uart_transmit_chars()
447 	tty_kref_put(tty);  in sdio_uart_transmit_chars()
453 	struct tty_struct *tty;  in sdio_uart_check_modem_status()  local
476 		tty = tty_port_tty_get(&port->port);  in sdio_uart_check_modem_status()
477 		if (tty && C_CRTSCTS(tty)) {  in sdio_uart_check_modem_status()
479 			if (tty->hw_stopped) {  in sdio_uart_check_modem_status()
481 					tty->hw_stopped = 0;  in sdio_uart_check_modem_status()
483 					tty_wakeup(tty);  in sdio_uart_check_modem_status()
487 					tty->hw_stopped = 1;  in sdio_uart_check_modem_status()
492 		tty_kref_put(tty);  in sdio_uart_check_modem_status()
581 static int sdio_uart_activate(struct tty_port *tport, struct tty_struct *tty)  in sdio_uart_activate()  argument
591 	set_bit(TTY_IO_ERROR, &tty->flags);  in sdio_uart_activate()
630 	sdio_uart_change_speed(port, &tty->termios, NULL);  in sdio_uart_activate()
632 	if (C_BAUD(tty))  in sdio_uart_activate()
635 	if (C_CRTSCTS(tty))  in sdio_uart_activate()
637 			tty->hw_stopped = 1;  in sdio_uart_activate()
639 	clear_bit(TTY_IO_ERROR, &tty->flags);  in sdio_uart_activate()
713 static int sdio_uart_install(struct tty_driver *driver, struct tty_struct *tty)  in sdio_uart_install()  argument
715 	int idx = tty->index;  in sdio_uart_install()
717 	int ret = tty_standard_install(driver, tty);  in sdio_uart_install()
721 		tty->driver_data = port;  in sdio_uart_install()
735 static void sdio_uart_cleanup(struct tty_struct *tty)  in sdio_uart_cleanup()  argument
737 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_cleanup()
738 	tty->driver_data = NULL;	/* Bug trap */  in sdio_uart_cleanup()
746 static int sdio_uart_open(struct tty_struct *tty, struct file *filp)  in sdio_uart_open()  argument
748 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_open()
749 	return tty_port_open(&port->port, tty, filp);  in sdio_uart_open()
752 static void sdio_uart_close(struct tty_struct *tty, struct file * filp)  in sdio_uart_close()  argument
754 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_close()
755 	tty_port_close(&port->port, tty, filp);  in sdio_uart_close()
758 static void sdio_uart_hangup(struct tty_struct *tty)  in sdio_uart_hangup()  argument
760 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_hangup()
764 static int sdio_uart_write(struct tty_struct *tty, const unsigned char *buf,  in sdio_uart_write()  argument
767 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_write()
787 static unsigned int sdio_uart_write_room(struct tty_struct *tty)  in sdio_uart_write_room()  argument
789 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_write_room()
793 static unsigned int sdio_uart_chars_in_buffer(struct tty_struct *tty)  in sdio_uart_chars_in_buffer()  argument
795 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_chars_in_buffer()
799 static void sdio_uart_send_xchar(struct tty_struct *tty, char ch)  in sdio_uart_send_xchar()  argument
801 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_send_xchar()
813 static void sdio_uart_throttle(struct tty_struct *tty)  in sdio_uart_throttle()  argument
815 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_throttle()
817 	if (!I_IXOFF(tty) && !C_CRTSCTS(tty))  in sdio_uart_throttle()
823 	if (I_IXOFF(tty)) {  in sdio_uart_throttle()
824 		port->x_char = STOP_CHAR(tty);  in sdio_uart_throttle()
828 	if (C_CRTSCTS(tty))  in sdio_uart_throttle()
835 static void sdio_uart_unthrottle(struct tty_struct *tty)  in sdio_uart_unthrottle()  argument
837 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_unthrottle()
839 	if (!I_IXOFF(tty) && !C_CRTSCTS(tty))  in sdio_uart_unthrottle()
845 	if (I_IXOFF(tty)) {  in sdio_uart_unthrottle()
849 			port->x_char = START_CHAR(tty);  in sdio_uart_unthrottle()
854 	if (C_CRTSCTS(tty))  in sdio_uart_unthrottle()
861 static void sdio_uart_set_termios(struct tty_struct *tty,  in sdio_uart_set_termios()  argument
864 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_set_termios()
865 	unsigned int cflag = tty->termios.c_cflag;  in sdio_uart_set_termios()
870 	sdio_uart_change_speed(port, &tty->termios, old_termios);  in sdio_uart_set_termios()
879 		if (!(cflag & CRTSCTS) || !tty_throttled(tty))  in sdio_uart_set_termios()
886 		tty->hw_stopped = 0;  in sdio_uart_set_termios()
893 			tty->hw_stopped = 1;  in sdio_uart_set_termios()
901 static int sdio_uart_break_ctl(struct tty_struct *tty, int break_state)  in sdio_uart_break_ctl()  argument
903 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_break_ctl()
920 static int sdio_uart_tiocmget(struct tty_struct *tty)  in sdio_uart_tiocmget()  argument
922 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_tiocmget()
934 static int sdio_uart_tiocmset(struct tty_struct *tty,  in sdio_uart_tiocmset()  argument
937 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_tiocmset()