usb: converto drivers/usb/* to use module_platform_driver_probe()

This patch converts the drivers in drivers/usb/* to use the
module_platform_driver_probe() macro which makes the code smaller and
a bit simpler.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/at91_udc.c

@@ -1982,17 +1982,7 @@ static struct platform_driver at91_udc_driver = {
 	},
 };
 
-static int __init udc_init_module(void)
-{
-	return platform_driver_probe(&at91_udc_driver, at91udc_probe);
-}
-module_init(udc_init_module);
-
-static void __exit udc_exit_module(void)
-{
-	platform_driver_unregister(&at91_udc_driver);
-}
-module_exit(udc_exit_module);
+module_platform_driver_probe(at91_udc_driver, at91udc_probe);
 
 MODULE_DESCRIPTION("AT91 udc driver");
 MODULE_AUTHOR("Thomas Rathbone, David Brownell");

drivers/usb/gadget/atmel_usba_udc.c

@@ -2066,17 +2066,7 @@ static struct platform_driver udc_driver = {
 	},
 };
 
-static int __init udc_init(void)
-{
-	return platform_driver_probe(&udc_driver, usba_udc_probe);
-}
-module_init(udc_init);
-
-static void __exit udc_exit(void)
-{
-	platform_driver_unregister(&udc_driver);
-}
-module_exit(udc_exit);
+module_platform_driver_probe(udc_driver, usba_udc_probe);
 
 MODULE_DESCRIPTION("Atmel USBA UDC driver");
 MODULE_AUTHOR("Haavard Skinnemoen (Atmel)");

drivers/usb/gadget/fusb300_udc.c

@@ -1547,15 +1547,4 @@ static struct platform_driver fusb300_driver = {
 	},
 };
 
-static int __init fusb300_udc_init(void)
-{
-	return platform_driver_probe(&fusb300_driver, fusb300_probe);
-}
-
-module_init(fusb300_udc_init);
-
-static void __exit fusb300_udc_cleanup(void)
-{
-	platform_driver_unregister(&fusb300_driver);
-}
-module_exit(fusb300_udc_cleanup);
+module_platform_driver_probe(fusb300_driver, fusb300_probe);

drivers/usb/gadget/imx_udc.c

@@ -1556,17 +1556,7 @@ static struct platform_driver udc_driver = {
 	.resume		= imx_udc_resume,
 };
 
-static int __init udc_init(void)
-{
-	return platform_driver_probe(&udc_driver, imx_udc_probe);
-}
-module_init(udc_init);
-
-static void __exit udc_exit(void)
-{
-	platform_driver_unregister(&udc_driver);
-}
-module_exit(udc_exit);
+module_platform_driver_probe(udc_driver, imx_udc_probe);
 
 MODULE_DESCRIPTION("IMX USB Device Controller driver");
 MODULE_AUTHOR("Darius Augulis <augulis.darius@gmail.com>");

drivers/usb/gadget/lpc32xx_udc.c

@@ -3458,17 +3458,7 @@ static struct platform_driver lpc32xx_udc_driver = {
 	},
 };
 
-static int __init udc_init_module(void)
-{
-	return platform_driver_probe(&lpc32xx_udc_driver, lpc32xx_udc_probe);
-}
-module_init(udc_init_module);
-
-static void __exit udc_exit_module(void)
-{
-	platform_driver_unregister(&lpc32xx_udc_driver);
-}
-module_exit(udc_exit_module);
+module_platform_driver_probe(lpc32xx_udc_driver, lpc32xx_udc_probe);
 
 MODULE_DESCRIPTION("LPC32XX udc driver");
 MODULE_AUTHOR("Kevin Wells <kevin.wells@nxp.com>");

drivers/usb/gadget/m66592-udc.c

@@ -1753,14 +1753,4 @@ static struct platform_driver m66592_driver = {
 	},
 };
 
-static int __init m66592_udc_init(void)
-{
-	return platform_driver_probe(&m66592_driver, m66592_probe);
-}
-module_init(m66592_udc_init);
-
-static void __exit m66592_udc_cleanup(void)
-{
-	platform_driver_unregister(&m66592_driver);
-}
-module_exit(m66592_udc_cleanup);
+module_platform_driver_probe(m66592_driver, m66592_probe);

drivers/usb/gadget/pxa25x_udc.c

@@ -2100,6 +2100,8 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
 	int retval, irq;
 	u32 chiprev;
 
+	pr_info("%s: version %s\n", driver_name, DRIVER_VERSION);
+
 	/* insist on Intel/ARM/XScale */
 	asm("mrc%? p15, 0, %0, c0, c0" : "=r" (chiprev));
 	if ((chiprev & CP15R0_VENDOR_MASK) != CP15R0_XSCALE_VALUE) {
@@ -2346,18 +2348,7 @@ static struct platform_driver udc_driver = {
 	},
 };
 
-static int __init udc_init(void)
-{
-	pr_info("%s: version %s\n", driver_name, DRIVER_VERSION);
-	return platform_driver_probe(&udc_driver, pxa25x_udc_probe);
-}
-module_init(udc_init);
-
-static void __exit udc_exit(void)
-{
-	platform_driver_unregister(&udc_driver);
-}
-module_exit(udc_exit);
+module_platform_driver_probe(udc_driver, pxa25x_udc_probe);
 
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_AUTHOR("Frank Becker, Robert Schwebel, David Brownell");

drivers/usb/gadget/r8a66597-udc.c

@@ -2031,21 +2031,10 @@ static struct platform_driver r8a66597_driver = {
 		.name =	(char *) udc_name,
 	},
 };
-MODULE_ALIAS("platform:r8a66597_udc");
-
-static int __init r8a66597_udc_init(void)
-{
-	return platform_driver_probe(&r8a66597_driver, r8a66597_probe);
-}
-module_init(r8a66597_udc_init);
 
-static void __exit r8a66597_udc_cleanup(void)
-{
-	platform_driver_unregister(&r8a66597_driver);
-}
-module_exit(r8a66597_udc_cleanup);
+module_platform_driver_probe(r8a66597_driver, r8a66597_probe);
 
 MODULE_DESCRIPTION("R8A66597 USB gadget driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Yoshihiro Shimoda");
-
+MODULE_ALIAS("platform:r8a66597_udc");

drivers/usb/otg/gpio_vbus.c

@@ -409,17 +409,7 @@ static struct platform_driver gpio_vbus_driver = {
 	.remove  = __exit_p(gpio_vbus_remove),
 };
 
-static int __init gpio_vbus_init(void)
-{
-	return platform_driver_probe(&gpio_vbus_driver, gpio_vbus_probe);
-}
-module_init(gpio_vbus_init);
-
-static void __exit gpio_vbus_exit(void)
-{
-	platform_driver_unregister(&gpio_vbus_driver);
-}
-module_exit(gpio_vbus_exit);
+module_platform_driver_probe(gpio_vbus_driver, gpio_vbus_probe);
 
 MODULE_DESCRIPTION("simple GPIO controlled OTG transceiver driver");
 MODULE_AUTHOR("Philipp Zabel");

drivers/usb/otg/msm_otg.c

@@ -1756,18 +1756,7 @@ static struct platform_driver msm_otg_driver = {
 	},
 };
 
-static int __init msm_otg_init(void)
-{
-	return platform_driver_probe(&msm_otg_driver, msm_otg_probe);
-}
-
-static void __exit msm_otg_exit(void)
-{
-	platform_driver_unregister(&msm_otg_driver);
-}
-
-module_init(msm_otg_init);
-module_exit(msm_otg_exit);
+module_platform_driver_probe(msm_otg_driver, msm_otg_probe);
 
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("MSM USB transceiver driver");