56 static int  kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
57 static void kobil_close(struct usb_serial_port *port);
58 static int  kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
69 			struct usb_serial_port *port, struct ktermios *old);
116 static int kobil_port_probe(struct usb_serial_port *port)  in kobil_port_probe()  argument
118 	struct usb_serial *serial = port->serial;  in kobil_port_probe()
143 	usb_set_serial_port_data(port, priv);  in kobil_port_probe()
149 static int kobil_port_remove(struct usb_serial_port *port)  in kobil_port_remove()  argument
153 	priv = usb_get_serial_port_data(port);  in kobil_port_remove()
169 static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)  in kobil_open()  argument
171 	struct device *dev = &port->dev;  in kobil_open()
177 	priv = usb_get_serial_port_data(port);  in kobil_open()
185 	result = usb_control_msg(port->serial->dev,  in kobil_open()
186 			  usb_rcvctrlpipe(port->serial->dev, 0),  in kobil_open()
200 	result = usb_control_msg(port->serial->dev,  in kobil_open()
201 			  usb_rcvctrlpipe(port->serial->dev, 0),  in kobil_open()
217 		result = usb_control_msg(port->serial->dev,  in kobil_open()
218 			  usb_sndctrlpipe(port->serial->dev, 0),  in kobil_open()
231 		result = usb_control_msg(port->serial->dev,  in kobil_open()
232 			  usb_sndctrlpipe(port->serial->dev, 0),  in kobil_open()
247 		result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);  in kobil_open()
256 static void kobil_close(struct usb_serial_port *port)  in kobil_close()  argument
259 	usb_kill_urb(port->interrupt_out_urb);  in kobil_close()
260 	usb_kill_urb(port->interrupt_in_urb);  in kobil_close()
267 	struct usb_serial_port *port = urb->context;  in kobil_read_int_callback()  local
272 		dev_dbg(&port->dev, "%s - Read int status not zero: %d\n", __func__, status);  in kobil_read_int_callback()
277 		usb_serial_debug_data(&port->dev, __func__, urb->actual_length,  in kobil_read_int_callback()
279 		tty_insert_flip_string(&port->port, data, urb->actual_length);  in kobil_read_int_callback()
280 		tty_flip_buffer_push(&port->port);  in kobil_read_int_callback()
283 	result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);  in kobil_read_int_callback()
284 	dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result);  in kobil_read_int_callback()
293 static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,  in kobil_write()  argument
302 		dev_dbg(&port->dev, "%s - write request of 0 bytes\n", __func__);  in kobil_write()
306 	priv = usb_get_serial_port_data(port);  in kobil_write()
309 		dev_dbg(&port->dev, "%s - Error: write request bigger than buffer size\n", __func__);  in kobil_write()
315 	usb_serial_debug_data(&port->dev, __func__, count, priv->buf + priv->filled);  in kobil_write()
325 			usb_kill_urb(port->interrupt_in_urb);  in kobil_write()
331 			length = min(todo, port->interrupt_out_size);  in kobil_write()
333 			memcpy(port->interrupt_out_buffer,  in kobil_write()
335 			port->interrupt_out_urb->transfer_buffer_length = length;  in kobil_write()
338 			result = usb_submit_urb(port->interrupt_out_urb,  in kobil_write()
340 			dev_dbg(&port->dev, "%s - Send write URB returns: %i\n", __func__, result);  in kobil_write()
353 			result = usb_submit_urb(port->interrupt_in_urb,  in kobil_write()
355 			dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result);  in kobil_write()
371 	struct usb_serial_port *port = tty->driver_data;  in kobil_tiocmget()  local
377 	priv = usb_get_serial_port_data(port);  in kobil_tiocmget()
389 	result = usb_control_msg(port->serial->dev,  in kobil_tiocmget()
390 			  usb_rcvctrlpipe(port->serial->dev, 0),  in kobil_tiocmget()
399 	dev_dbg(&port->dev, "%s - Send get_status_line_state URB returns: %i. Statusline: %02x\n",  in kobil_tiocmget()
412 	struct usb_serial_port *port = tty->driver_data;  in kobil_tiocmset()  local
413 	struct device *dev = &port->dev;  in kobil_tiocmset()
420 	priv = usb_get_serial_port_data(port);  in kobil_tiocmset()
441 		result = usb_control_msg(port->serial->dev,  in kobil_tiocmset()
442 			  usb_sndctrlpipe(port->serial->dev, 0),  in kobil_tiocmset()
455 		result = usb_control_msg(port->serial->dev,  in kobil_tiocmset()
456 			usb_sndctrlpipe(port->serial->dev, 0),  in kobil_tiocmset()
470 			struct usb_serial_port *port, struct ktermios *old)  in kobil_set_termios()  argument
478 	priv = usb_get_serial_port_data(port);  in kobil_set_termios()
509 	result = usb_control_msg(port->serial->dev,  in kobil_set_termios()
510 		  usb_sndctrlpipe(port->serial->dev, 0),  in kobil_set_termios()
524 	struct usb_serial_port *port = tty->driver_data;  in kobil_ioctl()  local
525 	struct kobil_private *priv = usb_get_serial_port_data(port);  in kobil_ioctl()
535 		result = usb_control_msg(port->serial->dev,  in kobil_ioctl()
536 			  usb_sndctrlpipe(port->serial->dev, 0),  in kobil_ioctl()
546 		dev_dbg(&port->dev,  in kobil_ioctl()