[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/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 975ace3..6b93dbb 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -897,7 +897,7 @@
#endif
}
-static int dummy_udc_probe (struct device *dev)
+static int dummy_udc_probe (struct platform_device *dev)
{
struct dummy *dum = the_controller;
int rc;
@@ -910,7 +910,7 @@
dum->gadget.is_otg = (dummy_to_hcd(dum)->self.otg_port != 0);
strcpy (dum->gadget.dev.bus_id, "gadget");
- dum->gadget.dev.parent = dev;
+ dum->gadget.dev.parent = &dev->dev;
dum->gadget.dev.release = dummy_gadget_release;
rc = device_register (&dum->gadget.dev);
if (rc < 0)
@@ -920,26 +920,26 @@
usb_bus_get (&dummy_to_hcd (dum)->self);
#endif
- dev_set_drvdata (dev, dum);
+ platform_set_drvdata (dev, dum);
device_create_file (&dum->gadget.dev, &dev_attr_function);
return rc;
}
-static int dummy_udc_remove (struct device *dev)
+static int dummy_udc_remove (struct platform_device *dev)
{
- struct dummy *dum = dev_get_drvdata (dev);
+ struct dummy *dum = platform_get_drvdata (dev);
- dev_set_drvdata (dev, NULL);
+ platform_set_drvdata (dev, NULL);
device_remove_file (&dum->gadget.dev, &dev_attr_function);
device_unregister (&dum->gadget.dev);
return 0;
}
-static int dummy_udc_suspend (struct device *dev, pm_message_t state)
+static int dummy_udc_suspend (struct platform_device *dev, pm_message_t state)
{
- struct dummy *dum = dev_get_drvdata(dev);
+ struct dummy *dum = platform_get_drvdata(dev);
- dev_dbg (dev, "%s\n", __FUNCTION__);
+ dev_dbg (&dev->dev, "%s\n", __FUNCTION__);
spin_lock_irq (&dum->lock);
dum->udc_suspended = 1;
set_link_state (dum);
@@ -950,29 +950,30 @@
return 0;
}
-static int dummy_udc_resume (struct device *dev)
+static int dummy_udc_resume (struct platform_device *dev)
{
- struct dummy *dum = dev_get_drvdata(dev);
+ struct dummy *dum = platform_get_drvdata(dev);
- dev_dbg (dev, "%s\n", __FUNCTION__);
+ dev_dbg (&dev->dev, "%s\n", __FUNCTION__);
spin_lock_irq (&dum->lock);
dum->udc_suspended = 0;
set_link_state (dum);
spin_unlock_irq (&dum->lock);
- dev->power.power_state = PMSG_ON;
+ dev->dev.power.power_state = PMSG_ON;
usb_hcd_poll_rh_status (dummy_to_hcd (dum));
return 0;
}
-static struct device_driver dummy_udc_driver = {
- .name = (char *) gadget_name,
- .owner = THIS_MODULE,
- .bus = &platform_bus_type,
+static struct platform_driver dummy_udc_driver = {
.probe = dummy_udc_probe,
.remove = dummy_udc_remove,
.suspend = dummy_udc_suspend,
.resume = dummy_udc_resume,
+ .driver = {
+ .name = (char *) gadget_name,
+ .owner = THIS_MODULE,
+ },
};
/*-------------------------------------------------------------------------*/
@@ -1899,14 +1900,14 @@
.bus_resume = dummy_bus_resume,
};
-static int dummy_hcd_probe (struct device *dev)
+static int dummy_hcd_probe (struct platform_device *dev)
{
struct usb_hcd *hcd;
int retval;
dev_info (dev, "%s, driver " DRIVER_VERSION "\n", driver_desc);
- hcd = usb_create_hcd (&dummy_hcd, dev, dev->bus_id);
+ hcd = usb_create_hcd (&dummy_hcd, &dev->dev, dev->dev.bus_id);
if (!hcd)
return -ENOMEM;
the_controller = hcd_to_dummy (hcd);
@@ -1919,48 +1920,49 @@
return retval;
}
-static int dummy_hcd_remove (struct device *dev)
+static int dummy_hcd_remove (struct platform_device *dev)
{
struct usb_hcd *hcd;
- hcd = dev_get_drvdata (dev);
+ hcd = platform_get_drvdata (dev);
usb_remove_hcd (hcd);
usb_put_hcd (hcd);
the_controller = NULL;
return 0;
}
-static int dummy_hcd_suspend (struct device *dev, pm_message_t state)
+static int dummy_hcd_suspend (struct platform_device *dev, pm_message_t state)
{
struct usb_hcd *hcd;
- dev_dbg (dev, "%s\n", __FUNCTION__);
- hcd = dev_get_drvdata (dev);
+ dev_dbg (&dev->dev, "%s\n", __FUNCTION__);
+ hcd = platform_get_drvdata (dev);
hcd->state = HC_STATE_SUSPENDED;
return 0;
}
-static int dummy_hcd_resume (struct device *dev)
+static int dummy_hcd_resume (struct platform_device *dev)
{
struct usb_hcd *hcd;
- dev_dbg (dev, "%s\n", __FUNCTION__);
- hcd = dev_get_drvdata (dev);
+ dev_dbg (&dev->dev, "%s\n", __FUNCTION__);
+ hcd = platform_get_drvdata (dev);
hcd->state = HC_STATE_RUNNING;
usb_hcd_poll_rh_status (hcd);
return 0;
}
-static struct device_driver dummy_hcd_driver = {
- .name = (char *) driver_name,
- .owner = THIS_MODULE,
- .bus = &platform_bus_type,
+static struct platform_driver dummy_hcd_driver = {
.probe = dummy_hcd_probe,
.remove = dummy_hcd_remove,
.suspend = dummy_hcd_suspend,
.resume = dummy_hcd_resume,
+ .driver = {
+ .name = (char *) driver_name,
+ .owner = THIS_MODULE,
+ },
};
/*-------------------------------------------------------------------------*/
@@ -1996,11 +1998,11 @@
if (usb_disabled ())
return -ENODEV;
- retval = driver_register (&dummy_hcd_driver);
+ retval = platform_driver_register (&dummy_hcd_driver);
if (retval < 0)
return retval;
- retval = driver_register (&dummy_udc_driver);
+ retval = platform_driver_register (&dummy_udc_driver);
if (retval < 0)
goto err_register_udc_driver;
@@ -2016,9 +2018,9 @@
err_register_udc:
platform_device_unregister (&the_hcd_pdev);
err_register_hcd:
- driver_unregister (&dummy_udc_driver);
+ platform_driver_unregister (&dummy_udc_driver);
err_register_udc_driver:
- driver_unregister (&dummy_hcd_driver);
+ platform_driver_unregister (&dummy_hcd_driver);
return retval;
}
module_init (init);
@@ -2027,7 +2029,7 @@
{
platform_device_unregister (&the_udc_pdev);
platform_device_unregister (&the_hcd_pdev);
- driver_unregister (&dummy_udc_driver);
- driver_unregister (&dummy_hcd_driver);
+ platform_driver_unregister (&dummy_udc_driver);
+ platform_driver_unregister (&dummy_hcd_driver);
}
module_exit (cleanup);