[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/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 5607c0a..a7722a6 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1631,24 +1631,21 @@
/*-------------------------------------------------------------------------*/
static int __devexit
-sl811h_remove(struct device *dev)
+sl811h_remove(struct platform_device *dev)
{
- struct usb_hcd *hcd = dev_get_drvdata(dev);
+ struct usb_hcd *hcd = platform_get_drvdata(dev);
struct sl811 *sl811 = hcd_to_sl811(hcd);
- struct platform_device *pdev;
struct resource *res;
- pdev = container_of(dev, struct platform_device, dev);
-
remove_debug_file(sl811);
usb_remove_hcd(hcd);
/* some platforms may use IORESOURCE_IO */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ res = platform_get_resource(dev, IORESOURCE_MEM, 1);
if (res)
iounmap(sl811->data_reg);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ res = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (res)
iounmap(sl811->addr_reg);
@@ -1657,11 +1654,10 @@
}
static int __devinit
-sl811h_probe(struct device *dev)
+sl811h_probe(struct platform_device *dev)
{
struct usb_hcd *hcd;
struct sl811 *sl811;
- struct platform_device *pdev;
struct resource *addr, *data;
int irq;
void __iomem *addr_reg;
@@ -1674,24 +1670,23 @@
* specific platform_data. we don't probe for IRQs, and do only
* minimal sanity checking.
*/
- pdev = container_of(dev, struct platform_device, dev);
- irq = platform_get_irq(pdev, 0);
- if (pdev->num_resources < 3 || irq < 0)
+ irq = platform_get_irq(dev, 0);
+ if (dev->num_resources < 3 || irq < 0)
return -ENODEV;
/* refuse to confuse usbcore */
- if (dev->dma_mask) {
+ if (dev->dev.dma_mask) {
DBG("no we won't dma\n");
return -EINVAL;
}
/* the chip may be wired for either kind of addressing */
- addr = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- data = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ addr = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ data = platform_get_resource(dev, IORESOURCE_MEM, 1);
retval = -EBUSY;
if (!addr || !data) {
- addr = platform_get_resource(pdev, IORESOURCE_IO, 0);
- data = platform_get_resource(pdev, IORESOURCE_IO, 1);
+ addr = platform_get_resource(dev, IORESOURCE_IO, 0);
+ data = platform_get_resource(dev, IORESOURCE_IO, 1);
if (!addr || !data)
return -ENODEV;
ioaddr = 1;
@@ -1713,7 +1708,7 @@
}
/* allocate and initialize hcd */
- hcd = usb_create_hcd(&sl811h_hc_driver, dev, dev->bus_id);
+ hcd = usb_create_hcd(&sl811h_hc_driver, &dev->dev, dev->dev.bus_id);
if (!hcd) {
retval = -ENOMEM;
goto err5;
@@ -1723,7 +1718,7 @@
spin_lock_init(&sl811->lock);
INIT_LIST_HEAD(&sl811->async);
- sl811->board = dev->platform_data;
+ sl811->board = dev->dev.platform_data;
init_timer(&sl811->timer);
sl811->timer.function = sl811h_timer;
sl811->timer.data = (unsigned long) sl811;
@@ -1785,9 +1780,9 @@
*/
static int
-sl811h_suspend(struct device *dev, pm_message_t state)
+sl811h_suspend(struct platform_device *dev, pm_message_t state)
{
- struct usb_hcd *hcd = dev_get_drvdata(dev);
+ struct usb_hcd *hcd = platform_get_drvdata(dev);
struct sl811 *sl811 = hcd_to_sl811(hcd);
int retval = 0;
@@ -1796,27 +1791,27 @@
else if (state.event == PM_EVENT_SUSPEND)
port_power(sl811, 0);
if (retval == 0)
- dev->power.power_state = state;
+ dev->dev.power.power_state = state;
return retval;
}
static int
-sl811h_resume(struct device *dev)
+sl811h_resume(struct platform_device *dev)
{
- struct usb_hcd *hcd = dev_get_drvdata(dev);
+ struct usb_hcd *hcd = platform_get_drvdata(dev);
struct sl811 *sl811 = hcd_to_sl811(hcd);
/* with no "check to see if VBUS is still powered" board hook,
* let's assume it'd only be powered to enable remote wakeup.
*/
- if (dev->power.power_state.event == PM_EVENT_SUSPEND
+ if (dev->dev.power.power_state.event == PM_EVENT_SUSPEND
|| !hcd->can_wakeup) {
sl811->port1 = 0;
port_power(sl811, 1);
return 0;
}
- dev->power.power_state = PMSG_ON;
+ dev->dev.power.power_state = PMSG_ON;
return sl811h_bus_resume(hcd);
}
@@ -1829,16 +1824,16 @@
/* this driver is exported so sl811_cs can depend on it */
-struct device_driver sl811h_driver = {
- .name = (char *) hcd_name,
- .bus = &platform_bus_type,
- .owner = THIS_MODULE,
-
+struct platform_driver sl811h_driver = {
.probe = sl811h_probe,
.remove = __devexit_p(sl811h_remove),
.suspend = sl811h_suspend,
.resume = sl811h_resume,
+ .driver = {
+ .name = (char *) hcd_name,
+ .owner = THIS_MODULE,
+ },
};
EXPORT_SYMBOL(sl811h_driver);
@@ -1850,12 +1845,12 @@
return -ENODEV;
INFO("driver %s, %s\n", hcd_name, DRIVER_VERSION);
- return driver_register(&sl811h_driver);
+ return platform_driver_register(&sl811h_driver);
}
module_init(sl811h_init);
static void __exit sl811h_cleanup(void)
{
- driver_unregister(&sl811h_driver);
+ platform_driver_unregister(&sl811h_driver);
}
module_exit(sl811h_cleanup);