157 static int spcp8x5_port_probe(struct usb_serial_port *port)  in spcp8x5_port_probe()  argument
159 	const struct usb_device_id *id = usb_get_serial_data(port->serial);  in spcp8x5_port_probe()
169 	usb_set_serial_port_data(port, priv);  in spcp8x5_port_probe()
171 	port->port.drain_delay = 256;  in spcp8x5_port_probe()
176 static int spcp8x5_port_remove(struct usb_serial_port *port)  in spcp8x5_port_remove()  argument
180 	priv = usb_get_serial_port_data(port);  in spcp8x5_port_remove()
186 static int spcp8x5_set_ctrl_line(struct usb_serial_port *port, u8 mcr)  in spcp8x5_set_ctrl_line()  argument
188 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);  in spcp8x5_set_ctrl_line()
189 	struct usb_device *dev = port->serial->dev;  in spcp8x5_set_ctrl_line()
199 		dev_err(&port->dev, "failed to set control lines: %d\n",  in spcp8x5_set_ctrl_line()
205 static int spcp8x5_get_msr(struct usb_serial_port *port, u8 *status)  in spcp8x5_get_msr()  argument
207 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);  in spcp8x5_get_msr()
208 	struct usb_device *dev = port->serial->dev;  in spcp8x5_get_msr()
223 		dev_err(&port->dev, "failed to get modem status: %d\n", ret);  in spcp8x5_get_msr()
225 	dev_dbg(&port->dev, "0xc0:0x22:0:6  %d - 0x02%x\n", ret, *buf);  in spcp8x5_get_msr()
232 static void spcp8x5_set_work_mode(struct usb_serial_port *port, u16 value,  in spcp8x5_set_work_mode()  argument
235 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);  in spcp8x5_set_work_mode()
236 	struct usb_device *dev = port->serial->dev;  in spcp8x5_set_work_mode()
245 	dev_dbg(&port->dev, "value = %#x , index = %#x\n", value, index);  in spcp8x5_set_work_mode()
247 		dev_err(&port->dev, "failed to set work mode: %d\n", ret);  in spcp8x5_set_work_mode()
250 static int spcp8x5_carrier_raised(struct usb_serial_port *port)  in spcp8x5_carrier_raised()  argument
255 	ret = spcp8x5_get_msr(port, &msr);  in spcp8x5_carrier_raised()
262 static void spcp8x5_dtr_rts(struct usb_serial_port *port, int on)  in spcp8x5_dtr_rts()  argument
264 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);  in spcp8x5_dtr_rts()
277 	spcp8x5_set_ctrl_line(port, control);  in spcp8x5_dtr_rts()
289 		struct usb_serial_port *port, struct ktermios *old_termios)  in spcp8x5_set_termios()  argument
291 	struct usb_serial *serial = port->serial;  in spcp8x5_set_termios()
292 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);  in spcp8x5_set_termios()
316 		spcp8x5_set_ctrl_line(port, control);  in spcp8x5_set_termios()
345 		dev_err(&port->dev, "unsupported baudrate, using 9600\n");  in spcp8x5_set_termios()
382 		dev_err(&port->dev, "Set UART format %#x failed (error = %d)\n",  in spcp8x5_set_termios()
384 	dev_dbg(&port->dev, "0x21:0x40:0:0  %d\n", i);  in spcp8x5_set_termios()
388 		spcp8x5_set_work_mode(port, 0x000a, SET_WORKING_MODE_U2C);  in spcp8x5_set_termios()
392 static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)  in spcp8x5_open()  argument
394 	struct usb_serial *serial = port->serial;  in spcp8x5_open()
395 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);  in spcp8x5_open()
398 	usb_clear_halt(serial->dev, port->write_urb->pipe);  in spcp8x5_open()
399 	usb_clear_halt(serial->dev, port->read_urb->pipe);  in spcp8x5_open()
407 	spcp8x5_set_ctrl_line(port, priv->line_control);  in spcp8x5_open()
410 		spcp8x5_set_termios(tty, port, NULL);  in spcp8x5_open()
412 	return usb_serial_generic_open(tty, port);  in spcp8x5_open()
418 	struct usb_serial_port *port = tty->driver_data;  in spcp8x5_tiocmset()  local
419 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);  in spcp8x5_tiocmset()
435 	return spcp8x5_set_ctrl_line(port, control);  in spcp8x5_tiocmset()
440 	struct usb_serial_port *port = tty->driver_data;  in spcp8x5_tiocmget()  local
441 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);  in spcp8x5_tiocmget()
447 	result = spcp8x5_get_msr(port, &status);  in spcp8x5_tiocmget()