[DRIVER MODEL] Convert platform drivers to use struct platform_driver

This allows us to eliminate the casts in the drivers, and eventually
remove the use of the device_driver function pointer methods for
platform device drivers.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 10 insertions, 11 deletions

diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c
index 92cf6f4a1374..18755766e406 100644
--- a/drivers/usb/host/ohci-ppc-soc.c
+++ b/drivers/usb/host/ohci-ppc-soc.c
@@ -172,9 +172,8 @@ static const struct hc_driver ohci_ppc_soc_hc_driver = {
         .start_port_reset =     ohci_start_port_reset,
 };
 
-static int ohci_hcd_ppc_soc_drv_probe(struct device *dev)
+static int ohci_hcd_ppc_soc_drv_probe(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
         int ret;
 
         if (usb_disabled())
@@ -184,25 +183,25 @@ static int ohci_hcd_ppc_soc_drv_probe(struct device *dev)
         return ret;
 }
 
-static int ohci_hcd_ppc_soc_drv_remove(struct device *dev)
+static int ohci_hcd_ppc_soc_drv_remove(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct usb_hcd *hcd = dev_get_drvdata(dev);
+        struct usb_hcd *hcd = platform_get_drvdata(dev);
 
         usb_hcd_ppc_soc_remove(hcd, pdev);
         return 0;
 }
 
-static struct device_driver ohci_hcd_ppc_soc_driver = {
-        .name           = "ppc-soc-ohci",
-        .owner          = THIS_MODULE,
-        .bus            = &platform_bus_type,
+static struct platform_driver ohci_hcd_ppc_soc_driver = {
         .probe          = ohci_hcd_ppc_soc_drv_probe,
         .remove         = ohci_hcd_ppc_soc_drv_remove,
 #ifdef  CONFIG_PM
         /*.suspend      = ohci_hcd_ppc_soc_drv_suspend,*/
         /*.resume       = ohci_hcd_ppc_soc_drv_resume,*/
 #endif
+        .driver         = {
+                .name   = "ppc-soc-ohci",
+                .owner  = THIS_MODULE,
+        },
 };
 
 static int __init ohci_hcd_ppc_soc_init(void)
@@ -211,12 +210,12 @@ static int __init ohci_hcd_ppc_soc_init(void)
         pr_debug("block sizes: ed %d td %d\n", sizeof(struct ed),
                                                         sizeof(struct td));
 
-        return driver_register(&ohci_hcd_ppc_soc_driver);
+        return platform_driver_register(&ohci_hcd_ppc_soc_driver);
 }
 
 static void __exit ohci_hcd_ppc_soc_cleanup(void)
 {
-        driver_unregister(&ohci_hcd_ppc_soc_driver);
+        platform_driver_unregister(&ohci_hcd_ppc_soc_driver);
 }
 
 module_init(ohci_hcd_ppc_soc_init);