130 	struct usb_serial_port *port;  member
133 static void qt2_update_lsr(struct usb_serial_port *port, unsigned char *ch);
134 static void qt2_update_msr(struct usb_serial_port *port, unsigned char *ch);
222 	struct usb_serial_port *port = port_priv->port;  in update_mctrl()  local
223 	struct usb_device *dev = port->serial->dev;  in update_mctrl()
228 		dev_dbg(&port->dev,  in update_mctrl()
243 		dev_err(&port->dev,  in update_mctrl()
267 			    struct usb_serial_port *port,  in qt2_set_termios()  argument
270 	struct usb_device *dev = port->serial->dev;  in qt2_set_termios()
278 	port_priv = usb_get_serial_port_data(port);  in qt2_set_termios()
310 		dev_err(&port->dev, "%s - qt2_set_port_config failed: %i\n",  in qt2_set_termios()
321 		dev_err(&port->dev, "%s - set HW flow control failed: %i\n",  in qt2_set_termios()
334 		dev_err(&port->dev, "%s - set SW flow control failed: %i\n",  in qt2_set_termios()
339 static int qt2_open(struct tty_struct *tty, struct usb_serial_port *port)  in qt2_open()  argument
348 	device_port = port->port_number;  in qt2_open()
350 	serial = port->serial;  in qt2_open()
352 	port_priv = usb_get_serial_port_data(port);  in qt2_open()
358 		dev_err(&port->dev,  in qt2_open()
376 		dev_err(&port->dev, "%s - open port failed %i\n", __func__,  in qt2_open()
393 		dev_err(&port->dev, "%s - initial setup failed (%i)\n",  in qt2_open()
401 		qt2_set_termios(tty, port, &tty->termios);  in qt2_open()
407 static void qt2_close(struct usb_serial_port *port)  in qt2_close()  argument
414 	serial = port->serial;  in qt2_close()
415 	port_priv = usb_get_serial_port_data(port);  in qt2_close()
429 		dev_err(&port->dev, "%s - transmit buffer flush failed: %i\n",  in qt2_close()
439 		dev_err(&port->dev, "%s - receive buffer flush failed: %i\n",  in qt2_close()
450 		dev_err(&port->dev, "%s - close port failed %i\n",  in qt2_close()
461 static int get_serial_info(struct usb_serial_port *port,  in get_serial_info()  argument
470 	tmp.line		= port->minor;  in get_serial_info()
471 	tmp.port		= 0;  in get_serial_info()
474 	tmp.xmit_fifo_size	= port->bulk_out_size;  in get_serial_info()
487 	struct usb_serial_port *port = tty->driver_data;  in qt2_ioctl()  local
491 		return get_serial_info(port,  in qt2_ioctl()
500 static void qt2_process_status(struct usb_serial_port *port, unsigned char *ch)  in qt2_process_status()  argument
504 		qt2_update_lsr(port, ch + 1);  in qt2_process_status()
507 		qt2_update_msr(port, ch + 1);  in qt2_process_status()
513 static void qt2_process_xmit_empty(struct usb_serial_port *port,  in qt2_process_xmit_empty()  argument
522 static void qt2_process_flush(struct usb_serial_port *port, unsigned char *ch)  in qt2_process_flush()  argument
531 	struct usb_serial_port *port;  in qt2_process_read_urb()  local
545 	port = serial->port[serial_priv->current_port];  in qt2_process_read_urb()
546 	port_priv = usb_get_serial_port_data(port);  in qt2_process_read_urb()
558 					dev_warn(&port->dev,  in qt2_process_read_urb()
563 				qt2_process_status(port, ch + 2);  in qt2_process_read_urb()
569 					dev_warn(&port->dev,  in qt2_process_read_urb()
574 				qt2_process_xmit_empty(port, ch + 3);  in qt2_process_read_urb()
580 					dev_warn(&port->dev,  in qt2_process_read_urb()
585 				tty_flip_buffer_push(&port->port);  in qt2_process_read_urb()
590 					dev_err(&port->dev,  in qt2_process_read_urb()
597 				port = serial->port[serial_priv->current_port];  in qt2_process_read_urb()
598 				port_priv = usb_get_serial_port_data(port);  in qt2_process_read_urb()
604 				qt2_process_flush(port, ch + 2);  in qt2_process_read_urb()
609 				tty_buffer_request_room(&port->port, 2);  in qt2_process_read_urb()
610 				tty_insert_flip_string(&port->port, ch, 2);  in qt2_process_read_urb()
615 				dev_warn(&port->dev,  in qt2_process_read_urb()
624 		tty_buffer_request_room(&port->port, 1);  in qt2_process_read_urb()
625 		tty_insert_flip_string(&port->port, ch, 1);  in qt2_process_read_urb()
628 	tty_flip_buffer_push(&port->port);  in qt2_process_read_urb()
633 	struct usb_serial_port *port;  in qt2_write_bulk_callback()  local
636 	port = urb->context;  in qt2_write_bulk_callback()
637 	port_priv = usb_get_serial_port_data(port);  in qt2_write_bulk_callback()
642 	usb_serial_port_softint(port);  in qt2_write_bulk_callback()
675 	port0 = serial->port[0];  in qt2_setup_urbs()
740 static int qt2_port_probe(struct usb_serial_port *port)  in qt2_port_probe()  argument
742 	struct usb_serial *serial = port->serial;  in qt2_port_probe()
752 	port_priv->port = port;  in qt2_port_probe()
762 	bEndpointAddress = serial->port[0]->bulk_out_endpointAddress;  in qt2_port_probe()
767 				qt2_write_bulk_callback, port);  in qt2_port_probe()
769 	usb_set_serial_port_data(port, port_priv);  in qt2_port_probe()
779 static int qt2_port_remove(struct usb_serial_port *port)  in qt2_port_remove()  argument
783 	port_priv = usb_get_serial_port_data(port);  in qt2_port_remove()
793 	struct usb_serial_port *port = tty->driver_data;  in qt2_tiocmget()  local
794 	struct usb_device *dev = port->serial->dev;  in qt2_tiocmget()
795 	struct qt2_port_private *port_priv = usb_get_serial_port_data(port);  in qt2_tiocmget()
834 	struct usb_serial_port *port = tty->driver_data;  in qt2_break_ctl()  local
839 	port_priv = usb_get_serial_port_data(port);  in qt2_break_ctl()
843 	status = qt2_control_msg(port->serial->dev, QT2_BREAK_CONTROL,  in qt2_break_ctl()
846 		dev_warn(&port->dev,  in qt2_break_ctl()
853 static void qt2_dtr_rts(struct usb_serial_port *port, int on)  in qt2_dtr_rts()  argument
855 	struct usb_device *dev = port->serial->dev;  in qt2_dtr_rts()
856 	struct qt2_port_private *port_priv = usb_get_serial_port_data(port);  in qt2_dtr_rts()
862 			dev_warn(&port->dev, "error from flowcontrol urb\n");  in qt2_dtr_rts()
871 static void qt2_update_msr(struct usb_serial_port *port, unsigned char *ch)  in qt2_update_msr()  argument
877 	port_priv = usb_get_serial_port_data(port);  in qt2_update_msr()
886 			port->icount.cts++;  in qt2_update_msr()
888 			port->icount.dsr++;  in qt2_update_msr()
890 			port->icount.dcd++;  in qt2_update_msr()
892 			port->icount.rng++;  in qt2_update_msr()
894 		wake_up_interruptible(&port->port.delta_msr_wait);  in qt2_update_msr()
898 static void qt2_update_lsr(struct usb_serial_port *port, unsigned char *ch)  in qt2_update_lsr()  argument
905 	port_priv = usb_get_serial_port_data(port);  in qt2_update_lsr()
914 	icount = &port->icount;  in qt2_update_lsr()
935 	struct usb_serial_port *port = tty->driver_data;  in qt2_write_room()  local
940 	port_priv = usb_get_serial_port_data(port);  in qt2_write_room()
955 		     struct usb_serial_port *port,  in qt2_write()  argument
965 	port_priv = usb_get_serial_port_data(port);  in qt2_write()
968 		dev_err(&port->dev, "%s - no output urb\n", __func__);  in qt2_write()
978 		dev_err(&port->dev, "qt2_write - urb is in use\n");  in qt2_write()