usb: convert drivers/usb/* to use module_platform_driver()

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

Cc: Felipe Balbi <balbi@ti.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

4 files changed, 4 insertions, 52 deletions

diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index 4ed6d19f2a54..d2623747b489 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -824,17 +824,7 @@ static struct platform_driver of_fhci_driver = {
 	.remove		= __devexit_p(of_fhci_remove),
 };
 
-static int __init fhci_module_init(void)
-{
-	return platform_driver_register(&of_fhci_driver);
-}
-module_init(fhci_module_init);
-
-static void __exit fhci_module_exit(void)
-{
-	platform_driver_unregister(&of_fhci_driver);
-}
-module_exit(fhci_module_exit);
+module_platform_driver(of_fhci_driver);
 
 MODULE_DESCRIPTION("USB Freescale Host Controller Interface Driver");
 MODULE_AUTHOR("Shlomi Gridish <gridish@freescale.com>, "
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 9037035ad1e4..7916e56a725e 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -297,17 +297,7 @@ static struct platform_driver fsl_usb2_mph_dr_driver = {
 	.remove	= __devexit_p(fsl_usb2_mph_dr_of_remove),
 };
 
-static int __init fsl_usb2_mph_dr_init(void)
-{
-	return platform_driver_register(&fsl_usb2_mph_dr_driver);
-}
-module_init(fsl_usb2_mph_dr_init);
-
-static void __exit fsl_usb2_mph_dr_exit(void)
-{
-	platform_driver_unregister(&fsl_usb2_mph_dr_driver);
-}
-module_exit(fsl_usb2_mph_dr_exit);
+module_platform_driver(fsl_usb2_mph_dr_driver);
 
 MODULE_DESCRIPTION("FSL MPH DR OF devices driver");
 MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>");
diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c
index 2ee18cfa1efe..6923bcb8aa68 100644
--- a/drivers/usb/host/imx21-hcd.c
+++ b/drivers/usb/host/imx21-hcd.c
@@ -1924,18 +1924,7 @@ static struct platform_driver imx21_hcd_driver = {
 	.resume = NULL,
 };
 
-static int __init imx21_hcd_init(void)
-{
-	return platform_driver_register(&imx21_hcd_driver);
-}
-
-static void __exit imx21_hcd_cleanup(void)
-{
-	platform_driver_unregister(&imx21_hcd_driver);
-}
-
-module_init(imx21_hcd_init);
-module_exit(imx21_hcd_cleanup);
+module_platform_driver(imx21_hcd_driver);
 
 MODULE_DESCRIPTION("i.MX21 USB Host controller");
 MODULE_AUTHOR("Martin Fuzzey");
diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c
index dcd889803f0f..6f62de5c6e35 100644
--- a/drivers/usb/host/oxu210hp-hcd.c
+++ b/drivers/usb/host/oxu210hp-hcd.c
@@ -3951,24 +3951,7 @@ static struct platform_driver oxu_driver = {
 	}
 };
 
-static int __init oxu_module_init(void)
-{
-	int retval = 0;
-
-	retval = platform_driver_register(&oxu_driver);
-	if (retval < 0)
-		return retval;
-
-	return retval;
-}
-
-static void __exit oxu_module_cleanup(void)
-{
-	platform_driver_unregister(&oxu_driver);
-}
-
-module_init(oxu_module_init);
-module_exit(oxu_module_cleanup);
+module_platform_driver(oxu_driver);
 
 MODULE_DESCRIPTION("Oxford OXU210HP HCD driver - ver. " DRIVER_VERSION);
 MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>");