58 static int klsi_105_port_probe(struct usb_serial_port *port);
59 static int klsi_105_port_remove(struct usb_serial_port *port);
60 static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port);
61 static void klsi_105_close(struct usb_serial_port *port);
63 			struct usb_serial_port *port, struct ktermios *old);
66 static int klsi_105_prepare_write_buffer(struct usb_serial_port *port,
129 static int klsi_105_chg_port_settings(struct usb_serial_port *port,  in klsi_105_chg_port_settings()  argument
134 	rc = usb_control_msg(port->serial->dev,  in klsi_105_chg_port_settings()
135 			usb_sndctrlpipe(port->serial->dev, 0),  in klsi_105_chg_port_settings()
144 		dev_err(&port->dev,  in klsi_105_chg_port_settings()
146 	dev_info(&port->serial->dev->dev,  in klsi_105_chg_port_settings()
171 static int klsi_105_get_line_state(struct usb_serial_port *port,  in klsi_105_get_line_state()  argument
178 	dev_info(&port->serial->dev->dev, "sending SIO Poll request\n");  in klsi_105_get_line_state()
186 	rc = usb_control_msg(port->serial->dev,  in klsi_105_get_line_state()
187 			     usb_rcvctrlpipe(port->serial->dev, 0),  in klsi_105_get_line_state()
196 		dev_err(&port->dev, "Reading line status failed (error = %d)\n",  in klsi_105_get_line_state()
201 		dev_info(&port->serial->dev->dev, "read status %x %x\n",  in klsi_105_get_line_state()
216 static int klsi_105_port_probe(struct usb_serial_port *port)  in klsi_105_port_probe()  argument
237 	usb_set_serial_port_data(port, priv);  in klsi_105_port_probe()
242 static int klsi_105_port_remove(struct usb_serial_port *port)  in klsi_105_port_remove()  argument
246 	priv = usb_get_serial_port_data(port);  in klsi_105_port_remove()
252 static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)  in klsi_105_open()  argument
254 	struct klsi_105_private *priv = usb_get_serial_port_data(port);  in klsi_105_open()
278 	klsi_105_chg_port_settings(port, cfg);  in klsi_105_open()
296 	rc = usb_serial_generic_open(tty, port);  in klsi_105_open()
302 	rc = usb_control_msg(port->serial->dev,  in klsi_105_open()
303 			     usb_sndctrlpipe(port->serial->dev, 0),  in klsi_105_open()
312 		dev_err(&port->dev, "Enabling read failed (error = %d)\n", rc);  in klsi_105_open()
315 		dev_dbg(&port->dev, "%s - enabled reading\n", __func__);  in klsi_105_open()
317 	rc = klsi_105_get_line_state(port, &line_state);  in klsi_105_open()
322 		dev_dbg(&port->dev, "%s - read line state 0x%lx\n", __func__, line_state);  in klsi_105_open()
332 static void klsi_105_close(struct usb_serial_port *port)  in klsi_105_close()  argument
337 	rc = usb_control_msg(port->serial->dev,  in klsi_105_close()
338 			     usb_sndctrlpipe(port->serial->dev, 0),  in klsi_105_close()
346 		dev_err(&port->dev, "failed to disable read: %d\n", rc);  in klsi_105_close()
349 	usb_serial_generic_close(port);  in klsi_105_close()
357 static int klsi_105_prepare_write_buffer(struct usb_serial_port *port,  in klsi_105_prepare_write_buffer()  argument
363 	count = kfifo_out_locked(&port->write_fifo, buf + KLSI_HDR_LEN, size,  in klsi_105_prepare_write_buffer()
364 								&port->lock);  in klsi_105_prepare_write_buffer()
374 	struct usb_serial_port *port = urb->context;  in klsi_105_process_read_urb()  local
383 		dev_dbg(&port->dev, "%s - malformed packet\n", __func__);  in klsi_105_process_read_urb()
389 		dev_dbg(&port->dev, "%s - packet length mismatch\n", __func__);  in klsi_105_process_read_urb()
393 	tty_insert_flip_string(&port->port, data + KLSI_HDR_LEN, len);  in klsi_105_process_read_urb()
394 	tty_flip_buffer_push(&port->port);  in klsi_105_process_read_urb()
398 				 struct usb_serial_port *port,  in klsi_105_set_termios()  argument
401 	struct klsi_105_private *priv = usb_get_serial_port_data(port);  in klsi_105_set_termios()
402 	struct device *dev = &port->dev;  in klsi_105_set_termios()
555 	klsi_105_chg_port_settings(port, cfg);  in klsi_105_set_termios()
563 	struct usb_serial_port *port = tty->driver_data;
564 	struct usb_serial *serial = port->serial;
566 				(struct mct_u232_private *)port->private;
569 	dev_dbg(&port->dev, "%s - state=%d\n", __func__, break_state);
581 	struct usb_serial_port *port = tty->driver_data;  in klsi_105_tiocmget()  local
582 	struct klsi_105_private *priv = usb_get_serial_port_data(port);  in klsi_105_tiocmget()
587 	rc = klsi_105_get_line_state(port, &line_state);  in klsi_105_tiocmget()
589 		dev_err(&port->dev,  in klsi_105_tiocmget()
598 	dev_dbg(&port->dev, "%s - read line state 0x%lx\n", __func__, line_state);  in klsi_105_tiocmget()