USB: serial: metro-usb: remove function header comments

They aren't needed, make the checkpatch tool unhappy, and in some
places, aren't even correct.  So just remove them, they get in the way
and are messy.

Cc: Aleksey Babahin <tamerlan311@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/serial/metro-usb.c

@@ -56,17 +56,6 @@ MODULE_DEVICE_TABLE(usb, id_table);
 /* Input parameter constants. */
 static bool debug;
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Read the port from the read interrupt.
-
-  Input:
-	struct urb *: urb structure to get data.
-	struct pt_regs *: pt_regs structure.
-
-  Output:
-	None:
-*/
 static void metrousb_read_int_callback(struct urb *urb)
 {
 	struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
@@ -144,16 +133,6 @@ exit:
 	}
 }
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Clean up any urbs and port information.
-
-  Input:
-	struct usb_serial_port *: pointer to a usb_serial_port structure.
-
-  Output:
-	int: Returns true (0) if successful, false otherwise.
-*/
 static void metrousb_cleanup(struct usb_serial_port *port)
 {
 	dbg("METRO-USB - %s - port number=%d", __FUNCTION__, port->number);
@@ -167,17 +146,6 @@ static void metrousb_cleanup(struct usb_serial_port *port)
 	}
 }
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Open the drivers serial port.
-
-  Input:
-	struct usb_serial_port *: pointer to a usb_serial_port structure.
-	struct file *: pointer to a file structure.
-
-  Output:
-	int: Returns true (0) if successful, false otherwise.
-*/
 static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
 	struct usb_serial *serial = port->serial;
@@ -229,17 +197,6 @@ exit:
 	return result;
 }
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Set the modem control state for the entered serial port.
-
-  Input:
-	struct usb_serial_port *: pointer to a usb_serial_port structure.
-	unsigned int: control state value to set.
-
-  Output:
-	int: Returns true (0) if successful, false otherwise.
-*/
 static int metrousb_set_modem_ctrl(struct usb_serial *serial, unsigned int control_state)
 {
 	int retval = 0;
@@ -263,17 +220,6 @@ static int metrousb_set_modem_ctrl(struct usb_serial *serial, unsigned int contr
 	return retval;
 }
 
-
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Shutdown the driver.
-
-  Input:
-	struct usb_serial *: pointer to a usb-serial structure.
-
-  Output:
-	int: Returns true (0) if successful, false otherwise.
-*/
 static void metrousb_shutdown(struct usb_serial *serial)
 {
 	int i = 0;
@@ -293,16 +239,6 @@ static void metrousb_shutdown(struct usb_serial *serial)
 	}
 }
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Startup the driver.
-
-  Input:
-	struct usb_serial *: pointer to a usb-serial structure.
-
-  Output:
-	int: Returns true (0) if successful, false otherwise.
-*/
 static int metrousb_startup(struct usb_serial *serial)
 {
 	struct metrousb_private *metro_priv;
@@ -334,16 +270,6 @@ static int metrousb_startup(struct usb_serial *serial)
 	return 0;
 }
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Set the serial port throttle to stop reading from the port.
-
-  Input:
-	struct usb_serial_port *: pointer to a usb_serial_port structure.
-
-  Output:
-	None:
-*/
 static void metrousb_throttle(struct tty_struct *tty)
 {
 	struct usb_serial_port *port = tty->driver_data;
@@ -358,17 +284,6 @@ static void metrousb_throttle(struct tty_struct *tty)
 	spin_unlock_irqrestore(&metro_priv->lock, flags);
 }
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Get the serial port control line states.
-
-  Input:
-	struct usb_serial_port *: pointer to a usb_serial_port structure.
-	struct file *: pointer to a file structure.
-
-  Output:
-	int: Returns the state of the control lines.
-*/
 static int metrousb_tiocmget(struct tty_struct *tty)
 {
 	unsigned long control_state = 0;
@@ -385,19 +300,6 @@ static int metrousb_tiocmget(struct tty_struct *tty)
 	return control_state;
 }
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Set the serial port control line states.
-
-  Input:
-	struct usb_serial_port *: pointer to a usb_serial_port structure.
-	struct file *: pointer to a file structure.
-	unsigned int: line state to set.
-	unsigned int: line state to clear.
-
-  Output:
-	int: Returns the state of the control lines.
-*/
 static int metrousb_tiocmset(struct tty_struct *tty,
 			     unsigned int set, unsigned int clear)
 {
@@ -427,16 +329,6 @@ static int metrousb_tiocmset(struct tty_struct *tty,
 	return metrousb_set_modem_ctrl(serial, control_state);
 }
 
-/* ----------------------------------------------------------------------------------------------
-  Description:
-	Set the serial port unthrottle to resume reading from the port.
-
-  Input:
-	struct usb_serial_port *: pointer to a usb_serial_port structure.
-
-  Output:
-	None:
-*/
 static void metrousb_unthrottle(struct tty_struct *tty)
 {
 	struct usb_serial_port *port = tty->driver_data;
@@ -460,7 +352,6 @@ static void metrousb_unthrottle(struct tty_struct *tty)
 	}
 }
 
-/* Driver structure. */
 static struct usb_driver metrousb_driver = {
 	.name =		"metro-usb",
 	.probe =	usb_serial_probe,
@@ -468,7 +359,6 @@ static struct usb_driver metrousb_driver = {
 	.id_table =	id_table
 };
 
-/* Device structure. */
 static struct usb_serial_driver metrousb_device = {
 	.driver = {
 		.owner =	THIS_MODULE,