53 	struct usb_serial_port	*port;  member
108 	struct usb_serial_port *port = priv->port;  in keyspan_pda_wakeup_write()  local
110 	tty_port_tty_wakeup(&port->port);  in keyspan_pda_wakeup_write()
140 	struct usb_serial_port *port = urb->context;  in keyspan_pda_rx_interrupt()  local
145 	priv = usb_get_serial_port_data(port);  in keyspan_pda_rx_interrupt()
167 			tty_insert_flip_string(&port->port, data + 1,  in keyspan_pda_rx_interrupt()
169 			tty_flip_buffer_push(&port->port);  in keyspan_pda_rx_interrupt()
174 		dev_dbg(&port->dev, "rx int, d1=%d, d2=%d\n", data[1], data[2]);  in keyspan_pda_rx_interrupt()
194 		dev_err(&port->dev,  in keyspan_pda_rx_interrupt()
208 	struct usb_serial_port *port = tty->driver_data;  in keyspan_pda_rx_throttle()  local
210 	usb_kill_urb(port->interrupt_in_urb);  in keyspan_pda_rx_throttle()
216 	struct usb_serial_port *port = tty->driver_data;  in keyspan_pda_rx_unthrottle()  local
219 	if (usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL))  in keyspan_pda_rx_unthrottle()
220 		dev_dbg(&port->dev, "usb_submit_urb(read urb) failed\n");  in keyspan_pda_rx_unthrottle()
285 	struct usb_serial_port *port = tty->driver_data;  in keyspan_pda_break_ctl()  local
286 	struct usb_serial *serial = port->serial;  in keyspan_pda_break_ctl()
299 		dev_dbg(&port->dev, "%s - error %d from usb_control_msg\n",  in keyspan_pda_break_ctl()
309 		struct usb_serial_port *port, struct ktermios *old_termios)  in keyspan_pda_set_termios()  argument
311 	struct usb_serial *serial = port->serial;  in keyspan_pda_set_termios()
338 		dev_dbg(&port->dev, "can't handle requested baud rate\n");  in keyspan_pda_set_termios()
388 	struct usb_serial_port *port = tty->driver_data;  in keyspan_pda_tiocmget()  local
389 	struct usb_serial *serial = port->serial;  in keyspan_pda_tiocmget()
410 	struct usb_serial_port *port = tty->driver_data;  in keyspan_pda_tiocmset()  local
411 	struct usb_serial *serial = port->serial;  in keyspan_pda_tiocmset()
433 	struct usb_serial_port *port, const unsigned char *buf, int count)  in keyspan_pda_write()  argument
435 	struct usb_serial *serial = port->serial;  in keyspan_pda_write()
440 	priv = usb_get_serial_port_data(port);  in keyspan_pda_write()
450 		dev_dbg(&port->dev, "write request of 0 bytes\n");  in keyspan_pda_write()
458 	spin_lock_bh(&port->lock);  in keyspan_pda_write()
459 	if (!test_bit(0, &port->write_urbs_free) || priv->tx_throttled) {  in keyspan_pda_write()
460 		spin_unlock_bh(&port->lock);  in keyspan_pda_write()
463 	clear_bit(0, &port->write_urbs_free);  in keyspan_pda_write()
464 	spin_unlock_bh(&port->lock);  in keyspan_pda_write()
471 	count = (count > port->bulk_out_size) ? port->bulk_out_size : count;  in keyspan_pda_write()
496 			dev_dbg(&port->dev, "roomquery says %d\n", *room);  in keyspan_pda_write()
501 			dev_dbg(&port->dev, "roomquery failed\n");  in keyspan_pda_write()
505 			dev_dbg(&port->dev, "roomquery returned 0 bytes\n");  in keyspan_pda_write()
519 		memcpy(port->write_urb->transfer_buffer, buf, count);  in keyspan_pda_write()
521 		port->write_urb->transfer_buffer_length = count;  in keyspan_pda_write()
525 		rc = usb_submit_urb(port->write_urb, GFP_ATOMIC);  in keyspan_pda_write()
527 			dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed\n");  in keyspan_pda_write()
544 		set_bit(0, &port->write_urbs_free);  in keyspan_pda_write()
551 	struct usb_serial_port *port = urb->context;  in keyspan_pda_write_bulk_callback()  local
554 	set_bit(0, &port->write_urbs_free);  in keyspan_pda_write_bulk_callback()
555 	priv = usb_get_serial_port_data(port);  in keyspan_pda_write_bulk_callback()
564 	struct usb_serial_port *port = tty->driver_data;  in keyspan_pda_write_room()  local
566 	priv = usb_get_serial_port_data(port);  in keyspan_pda_write_room()
576 	struct usb_serial_port *port = tty->driver_data;  in keyspan_pda_chars_in_buffer()  local
581 	priv = usb_get_serial_port_data(port);  in keyspan_pda_chars_in_buffer()
586 	spin_lock_irqsave(&port->lock, flags);  in keyspan_pda_chars_in_buffer()
587 	if (!test_bit(0, &port->write_urbs_free) || priv->tx_throttled)  in keyspan_pda_chars_in_buffer()
589 	spin_unlock_irqrestore(&port->lock, flags);  in keyspan_pda_chars_in_buffer()
594 static void keyspan_pda_dtr_rts(struct usb_serial_port *port, int on)  in keyspan_pda_dtr_rts()  argument
596 	struct usb_serial *serial = port->serial;  in keyspan_pda_dtr_rts()
606 					struct usb_serial_port *port)  in keyspan_pda_open()  argument
608 	struct usb_serial *serial = port->serial;  in keyspan_pda_open()
628 		dev_dbg(&port->dev, "%s - roomquery failed\n", __func__);  in keyspan_pda_open()
632 		dev_dbg(&port->dev, "%s - roomquery returned 0 bytes\n", __func__);  in keyspan_pda_open()
636 	priv = usb_get_serial_port_data(port);  in keyspan_pda_open()
641 	rc = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);  in keyspan_pda_open()
643 		dev_dbg(&port->dev, "%s - usb_submit_urb(read int) failed\n", __func__);  in keyspan_pda_open()
650 static void keyspan_pda_close(struct usb_serial_port *port)  in keyspan_pda_close()  argument
652 	usb_kill_urb(port->write_urb);  in keyspan_pda_close()
653 	usb_kill_urb(port->interrupt_in_urb);  in keyspan_pda_close()
702 static int keyspan_pda_port_probe(struct usb_serial_port *port)  in keyspan_pda_port_probe()  argument
713 	priv->serial = port->serial;  in keyspan_pda_port_probe()
714 	priv->port = port;  in keyspan_pda_port_probe()
716 	usb_set_serial_port_data(port, priv);  in keyspan_pda_port_probe()
721 static int keyspan_pda_port_remove(struct usb_serial_port *port)  in keyspan_pda_port_remove()  argument
725 	priv = usb_get_serial_port_data(port);  in keyspan_pda_port_remove()