[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-omap.c b/drivers/usb/host/ohci-omap.c
index e46cc54..c9e29d8 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -433,24 +433,22 @@
/*-------------------------------------------------------------------------*/
-static int ohci_hcd_omap_drv_probe(struct device *dev)
+static int ohci_hcd_omap_drv_probe(struct platform_device *dev)
{
- return usb_hcd_omap_probe(&ohci_omap_hc_driver,
- to_platform_device(dev));
+ return usb_hcd_omap_probe(&ohci_omap_hc_driver, dev);
}
-static int ohci_hcd_omap_drv_remove(struct device *dev)
+static int ohci_hcd_omap_drv_remove(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);
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
- usb_hcd_omap_remove(hcd, pdev);
+ usb_hcd_omap_remove(hcd, dev);
if (ohci->transceiver) {
(void) otg_set_host(ohci->transceiver, 0);
put_device(ohci->transceiver->dev);
}
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(dev, NULL);
return 0;
}
@@ -459,9 +457,9 @@
#ifdef CONFIG_PM
-static int ohci_omap_suspend(struct device *dev, pm_message_t message)
+static int ohci_omap_suspend(struct platform_device *dev, pm_message_t message)
{
- struct ohci_hcd *ohci = hcd_to_ohci(dev_get_drvdata(dev));
+ struct ohci_hcd *ohci = hcd_to_ohci(platform_get_drvdata(dev));
if (time_before(jiffies, ohci->next_statechange))
msleep(5);
@@ -473,9 +471,9 @@
return 0;
}
-static int ohci_omap_resume(struct device *dev)
+static int ohci_omap_resume(struct platform_device *dev)
{
- struct ohci_hcd *ohci = hcd_to_ohci(dev_get_drvdata(dev));
+ struct ohci_hcd *ohci = hcd_to_ohci(platform_get_drvdata(dev));
if (time_before(jiffies, ohci->next_statechange))
msleep(5);
@@ -494,16 +492,17 @@
/*
* Driver definition to register with the OMAP bus
*/
-static struct device_driver ohci_hcd_omap_driver = {
- .name = "ohci",
- .owner = THIS_MODULE,
- .bus = &platform_bus_type,
+static struct platform_driver ohci_hcd_omap_driver = {
.probe = ohci_hcd_omap_drv_probe,
.remove = ohci_hcd_omap_drv_remove,
#ifdef CONFIG_PM
.suspend = ohci_omap_suspend,
.resume = ohci_omap_resume,
#endif
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "ohci",
+ },
};
static int __init ohci_hcd_omap_init (void)
@@ -515,12 +514,12 @@
pr_debug("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
sizeof (struct ed), sizeof (struct td));
- return driver_register(&ohci_hcd_omap_driver);
+ return platform_driver_register(&ohci_hcd_omap_driver);
}
static void __exit ohci_hcd_omap_cleanup (void)
{
- driver_unregister(&ohci_hcd_omap_driver);
+ platform_driver_unregister(&ohci_hcd_omap_driver);
}
module_init (ohci_hcd_omap_init);