drivers/serial/usb-serial: Remove unneeded void * casts

diff -urpN -X dontdiff linux-2.6.13-rc1/drivers/usb/serial/usb-serial.c linux-2.6.13-rc1~unneeded_casts/drivers/usb/serial/usb-serial.c
@@ -531,7 +531,7 @@ bailout_kref_put:
 
 static void serial_close(struct tty_struct *tty, struct file * filp)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 
 	if (!port)
 		return;

@@ -561,7 +561,7 @@ static void serial_close(struct tty_stru
 
 static int serial_write (struct tty_struct * tty, const unsigned char *buf, int count)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 	int retval = -EINVAL;
 
 	dbg("%s - port %d, %d byte(s)", __FUNCTION__, port->number, count);

@@ -580,7 +580,7 @@ exit:
 
 static int serial_write_room (struct tty_struct *tty) 
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 	int retval = -EINVAL;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);

@@ -599,7 +599,7 @@ exit:
 
 static int serial_chars_in_buffer (struct tty_struct *tty) 
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 	int retval = -EINVAL;
 
 	dbg("%s = port %d", __FUNCTION__, port->number);

@@ -618,7 +618,7 @@ exit:
 
 static void serial_throttle (struct tty_struct * tty)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 

@@ -634,7 +634,7 @@ static void serial_throttle (struct tty_
 
 static void serial_unthrottle (struct tty_struct * tty)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 

@@ -650,7 +650,7 @@ static void serial_unthrottle (struct tt
 
 static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 	int retval = -ENODEV;
 
 	dbg("%s - port %d, cmd 0x%.4x", __FUNCTION__, port->number, cmd);

@@ -672,7 +672,7 @@ exit:
 
 static void serial_set_termios (struct tty_struct *tty, struct termios * old)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 

@@ -688,7 +688,7 @@ static void serial_set_termios (struct t
 
 static void serial_break (struct tty_struct *tty, int break_state)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 

@@ -749,7 +749,7 @@ done:
 
 static int serial_tiocmget (struct tty_struct *tty, struct file *file)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 

@@ -768,7 +768,7 @@ exit:
 static int serial_tiocmset (struct tty_struct *tty, struct file *file,
 			    unsigned int set, unsigned int clear)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+	struct usb_serial_port *port = tty->driver_data;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 

@@ -786,7 +786,7 @@ exit:
 
 void usb_serial_port_softint(void *private)
 {
-	struct usb_serial_port *port = (struct usb_serial_port *)private;
+	struct usb_serial_port *port = private;
 	struct tty_struct *tty;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);