[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>
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 59e2056..9d65ec3 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -290,9 +290,8 @@
/*-------------------------------------------------------------------------*/
-static int ohci_hcd_pxa27x_drv_probe(struct device *dev)
+static int ohci_hcd_pxa27x_drv_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
int ret;
pr_debug ("In ohci_hcd_pxa27x_drv_probe");
@@ -304,41 +303,39 @@
return ret;
}
-static int ohci_hcd_pxa27x_drv_remove(struct device *dev)
+static int ohci_hcd_pxa27x_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(pdev);
usb_hcd_pxa27x_remove(hcd, pdev);
return 0;
}
-static int ohci_hcd_pxa27x_drv_suspend(struct device *dev, pm_message_t state)
+static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *dev, pm_message_t state)
{
-// struct platform_device *pdev = to_platform_device(dev);
-// struct usb_hcd *hcd = dev_get_drvdata(dev);
+// struct usb_hcd *hcd = platform_get_drvdata(dev);
printk("%s: not implemented yet\n", __FUNCTION__);
return 0;
}
-static int ohci_hcd_pxa27x_drv_resume(struct device *dev)
+static int ohci_hcd_pxa27x_drv_resume(struct platform_device *dev)
{
-// struct platform_device *pdev = to_platform_device(dev);
-// struct usb_hcd *hcd = dev_get_drvdata(dev);
+// struct usb_hcd *hcd = platform_get_drvdata(dev);
printk("%s: not implemented yet\n", __FUNCTION__);
return 0;
}
-static struct device_driver ohci_hcd_pxa27x_driver = {
- .name = "pxa27x-ohci",
- .bus = &platform_bus_type,
+static struct platform_driver ohci_hcd_pxa27x_driver = {
.probe = ohci_hcd_pxa27x_drv_probe,
.remove = ohci_hcd_pxa27x_drv_remove,
.suspend = ohci_hcd_pxa27x_drv_suspend,
- .resume = ohci_hcd_pxa27x_drv_resume,
+ .resume = ohci_hcd_pxa27x_drv_resume,
+ .driver = {
+ .name = "pxa27x-ohci",
+ },
};
static int __init ohci_hcd_pxa27x_init (void)
@@ -347,12 +344,12 @@
pr_debug ("block sizes: ed %d td %d\n",
sizeof (struct ed), sizeof (struct td));
- return driver_register(&ohci_hcd_pxa27x_driver);
+ return platform_driver_register(&ohci_hcd_pxa27x_driver);
}
static void __exit ohci_hcd_pxa27x_cleanup (void)
{
- driver_unregister(&ohci_hcd_pxa27x_driver);
+ platform_driver_unregister(&ohci_hcd_pxa27x_driver);
}
module_init (ohci_hcd_pxa27x_init);