432 	struct tty_struct *tty;  in sdio_uart_transmit_chars()  local
443 	tty = tty_port_tty_get(&port->port);  in sdio_uart_transmit_chars()
445 	if (tty == NULL || !kfifo_len(xmit) ||  in sdio_uart_transmit_chars()
446 				tty->stopped || tty->hw_stopped) {  in sdio_uart_transmit_chars()
448 		tty_kref_put(tty);  in sdio_uart_transmit_chars()
460 		tty_wakeup(tty);  in sdio_uart_transmit_chars()
464 	tty_kref_put(tty);  in sdio_uart_transmit_chars()
470 	struct tty_struct *tty;  in sdio_uart_check_modem_status()  local
493 		tty = tty_port_tty_get(&port->port);  in sdio_uart_check_modem_status()
494 		if (tty && C_CRTSCTS(tty)) {  in sdio_uart_check_modem_status()
496 			if (tty->hw_stopped) {  in sdio_uart_check_modem_status()
498 					tty->hw_stopped = 0;  in sdio_uart_check_modem_status()
500 					tty_wakeup(tty);  in sdio_uart_check_modem_status()
504 					tty->hw_stopped = 1;  in sdio_uart_check_modem_status()
509 		tty_kref_put(tty);  in sdio_uart_check_modem_status()
598 static int sdio_uart_activate(struct tty_port *tport, struct tty_struct *tty)  in sdio_uart_activate()  argument
608 	set_bit(TTY_IO_ERROR, &tty->flags);  in sdio_uart_activate()
647 	sdio_uart_change_speed(port, &tty->termios, NULL);  in sdio_uart_activate()
649 	if (C_BAUD(tty))  in sdio_uart_activate()
652 	if (C_CRTSCTS(tty))  in sdio_uart_activate()
654 			tty->hw_stopped = 1;  in sdio_uart_activate()
656 	clear_bit(TTY_IO_ERROR, &tty->flags);  in sdio_uart_activate()
730 static int sdio_uart_install(struct tty_driver *driver, struct tty_struct *tty)  in sdio_uart_install()  argument
732 	int idx = tty->index;  in sdio_uart_install()
734 	int ret = tty_standard_install(driver, tty);  in sdio_uart_install()
738 		tty->driver_data = port;  in sdio_uart_install()
752 static void sdio_uart_cleanup(struct tty_struct *tty)  in sdio_uart_cleanup()  argument
754 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_cleanup()
755 	tty->driver_data = NULL;	/* Bug trap */  in sdio_uart_cleanup()
763 static int sdio_uart_open(struct tty_struct *tty, struct file *filp)  in sdio_uart_open()  argument
765 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_open()
766 	return tty_port_open(&port->port, tty, filp);  in sdio_uart_open()
769 static void sdio_uart_close(struct tty_struct *tty, struct file * filp)  in sdio_uart_close()  argument
771 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_close()
772 	tty_port_close(&port->port, tty, filp);  in sdio_uart_close()
775 static void sdio_uart_hangup(struct tty_struct *tty)  in sdio_uart_hangup()  argument
777 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_hangup()
781 static int sdio_uart_write(struct tty_struct *tty, const unsigned char *buf,  in sdio_uart_write()  argument
784 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_write()
804 static int sdio_uart_write_room(struct tty_struct *tty)  in sdio_uart_write_room()  argument
806 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_write_room()
810 static int sdio_uart_chars_in_buffer(struct tty_struct *tty)  in sdio_uart_chars_in_buffer()  argument
812 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_chars_in_buffer()
816 static void sdio_uart_send_xchar(struct tty_struct *tty, char ch)  in sdio_uart_send_xchar()  argument
818 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_send_xchar()
830 static void sdio_uart_throttle(struct tty_struct *tty)  in sdio_uart_throttle()  argument
832 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_throttle()
834 	if (!I_IXOFF(tty) && !C_CRTSCTS(tty))  in sdio_uart_throttle()
840 	if (I_IXOFF(tty)) {  in sdio_uart_throttle()
841 		port->x_char = STOP_CHAR(tty);  in sdio_uart_throttle()
845 	if (C_CRTSCTS(tty))  in sdio_uart_throttle()
852 static void sdio_uart_unthrottle(struct tty_struct *tty)  in sdio_uart_unthrottle()  argument
854 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_unthrottle()
856 	if (!I_IXOFF(tty) && !C_CRTSCTS(tty))  in sdio_uart_unthrottle()
862 	if (I_IXOFF(tty)) {  in sdio_uart_unthrottle()
866 			port->x_char = START_CHAR(tty);  in sdio_uart_unthrottle()
871 	if (C_CRTSCTS(tty))  in sdio_uart_unthrottle()
878 static void sdio_uart_set_termios(struct tty_struct *tty,  in sdio_uart_set_termios()  argument
881 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_set_termios()
882 	unsigned int cflag = tty->termios.c_cflag;  in sdio_uart_set_termios()
887 	sdio_uart_change_speed(port, &tty->termios, old_termios);  in sdio_uart_set_termios()
896 		if (!(cflag & CRTSCTS) || !tty_throttled(tty))  in sdio_uart_set_termios()
903 		tty->hw_stopped = 0;  in sdio_uart_set_termios()
910 			tty->hw_stopped = 1;  in sdio_uart_set_termios()
918 static int sdio_uart_break_ctl(struct tty_struct *tty, int break_state)  in sdio_uart_break_ctl()  argument
920 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_break_ctl()
937 static int sdio_uart_tiocmget(struct tty_struct *tty)  in sdio_uart_tiocmget()  argument
939 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_tiocmget()
951 static int sdio_uart_tiocmset(struct tty_struct *tty,  in sdio_uart_tiocmset()  argument
954 	struct sdio_uart_port *port = tty->driver_data;  in sdio_uart_tiocmset()