USB: convert drivers/media/* to use module_usb_driver()

This converts the drivers in drivers/media/* to use the
module_usb_driver() macro which makes the code smaller and a bit
simpler.

Added bonus is that it removes some unneeded kernel log messages about
drivers loading and/or unloading.

Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Luca Risolia <luca.risolia@studio.unibo.it>
Cc: Jean-Francois Moine <moinejf@free.fr>
Cc: Frank Zago <frank@zago.net>
Cc: Olivier Lorin <o.lorin@laposte.net>
Cc: Erik Andren <erik.andren@gmail.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Brian Johnson <brijohn@gmail.com>
Cc: Leandro Costantino <lcostantino@gmail.com>
Cc: Antoine Jacquet <royale@zerezo.com>
Cc: Jarod Wilson <jarod@redhat.com>
Cc: Florian Mickler <florian@mickler.org>
Cc: Antti Palosaari <crope@iki.fi>
Cc: Michael Krufky <mkrufky@kernellabs.com>
Cc: "David Härdeman" <david@hardeman.nu>
Cc: Florent Audebert <florent.audebert@anevia.com>
Cc: Sam Doshi <sam@metal-fish.co.uk>
Cc: Manu Abraham <manu@linuxtv.org>
Cc: Olivier Grenie <olivier.grenie@dibcom.fr>
Cc: Patrick Boettcher <patrick.boettcher@dibcom.fr>
Cc: "Igor M. Liplianin" <liplianin@me.by>
Cc: Derek Kelly <user.vdr@gmail.com>
Cc: Malcolm Priestley <tvboxspy@gmail.com>
Cc: Steven Toth <stoth@kernellabs.com>
Cc: "André Weidemann" <Andre.Weidemann@web.de>
Cc: Martin Wilks <m.wilks@technisat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Jose Alberto Reguero <jareguero@telefonica.net>
Cc: David Henningsson <david.henningsson@canonical.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Joe Perches <joe@perches.com>
Cc: Jesper Juhl <jj@chaosbits.net>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: Anssi Hannula <anssi.hannula@iki.fi>
Cc: Rafi Rubin <rafi@seas.upenn.edu>
Cc: Dan Carpenter <error27@gmail.com>
Cc: Paul Bender <pebender@gmail.com>
Cc: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: "Márcio A Alves" <froooozen@gmail.com>
Cc: Julia Lawall <julia@diku.dk>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Chris Rankin <rankincj@yahoo.com>
Cc: Lee Jones <lee.jones@canonical.com>
Cc: Andy Walls <awalls@md.metrocast.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Dean Anderson <linux-dev@sensoray.com>
Cc: Pete Eberlein <pete@sensoray.com>
Cc: Arvydas Sidorenko <asido4@gmail.com>
Cc: Andrea Anacleto <andreaanacleto@libero.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/media/rc/redrat3.c

@@ -1300,25 +1300,7 @@ static struct usb_driver redrat3_dev_driver = {
 	.id_table	= redrat3_dev_table
 };
 
-static int __init redrat3_dev_init(void)
-{
-	int ret;
-
-	ret = usb_register(&redrat3_dev_driver);
-	if (ret < 0)
-		pr_err(DRIVER_NAME
-		       ": usb register failed, result = %d\n", ret);
-
-	return ret;
-}
-
-static void __exit redrat3_dev_exit(void)
-{
-	usb_deregister(&redrat3_dev_driver);
-}
-
-module_init(redrat3_dev_init);
-module_exit(redrat3_dev_exit);
+module_usb_driver(redrat3_dev_driver);
 
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_AUTHOR(DRIVER_AUTHOR);