[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/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c
index a1d207f..ec94ecd 100644
--- a/drivers/net/irda/smsc-ircc2.c
+++ b/drivers/net/irda/smsc-ircc2.c
@@ -214,14 +214,15 @@
 
 /* Power Management */
 
-static int smsc_ircc_suspend(struct device *dev, pm_message_t state);
-static int smsc_ircc_resume(struct device *dev);
+static int smsc_ircc_suspend(struct platform_device *dev, pm_message_t state);
+static int smsc_ircc_resume(struct platform_device *dev);
 
-static struct device_driver smsc_ircc_driver = {
-	.name		= SMSC_IRCC2_DRIVER_NAME,
-	.bus		= &platform_bus_type,
+static struct platform_driver smsc_ircc_driver = {
 	.suspend	= smsc_ircc_suspend,
 	.resume		= smsc_ircc_resume,
+	.driver		= {
+		.name	= SMSC_IRCC2_DRIVER_NAME,
+	},
 };
 
 /* Transceivers for SMSC-ircc */
@@ -346,7 +347,7 @@
 
 	IRDA_DEBUG(1, "%s\n", __FUNCTION__);
 
-	ret = driver_register(&smsc_ircc_driver);
+	ret = platform_driver_register(&smsc_ircc_driver);
 	if (ret) {
 		IRDA_ERROR("%s, Can't register driver!\n", driver_name);
 		return ret;
@@ -378,7 +379,7 @@
 	}
 
 	if (ret)
-		driver_unregister(&smsc_ircc_driver);
+		platform_driver_unregister(&smsc_ircc_driver);
 
 	return ret;
 }
@@ -491,7 +492,7 @@
 		err = PTR_ERR(self->pldev);
 		goto err_out5;
 	}
-	dev_set_drvdata(&self->pldev->dev, self);
+	platform_set_drvdata(self->pldev, self);
 
 	IRDA_MESSAGE("IrDA: Registered device %s\n", dev->name);
 	dev_count++;
@@ -1685,9 +1686,9 @@
 	return 0;
 }
 
-static int smsc_ircc_suspend(struct device *dev, pm_message_t state)
+static int smsc_ircc_suspend(struct platform_device *dev, pm_message_t state)
 {
-	struct smsc_ircc_cb *self = dev_get_drvdata(dev);
+	struct smsc_ircc_cb *self = platform_get_drvdata(dev);
 
 	if (!self->io.suspended) {
 		IRDA_DEBUG(1, "%s, Suspending\n", driver_name);
@@ -1706,9 +1707,9 @@
 	return 0;
 }
 
-static int smsc_ircc_resume(struct device *dev)
+static int smsc_ircc_resume(struct platform_device *dev)
 {
-	struct smsc_ircc_cb *self = dev_get_drvdata(dev);
+	struct smsc_ircc_cb *self = platform_get_drvdata(dev);
 
 	if (self->io.suspended) {
 		IRDA_DEBUG(1, "%s, Waking up\n", driver_name);
@@ -1788,7 +1789,7 @@
 			smsc_ircc_close(dev_self[i]);
 	}
 
-	driver_unregister(&smsc_ircc_driver);
+	platform_driver_unregister(&smsc_ircc_driver);
 }
 
 /*