[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/video/acornfb.c b/drivers/video/acornfb.c
index 193b482..750cebb 100644
--- a/drivers/video/acornfb.c
+++ b/drivers/video/acornfb.c
@@ -1279,7 +1279,7 @@
 	printk("acornfb: freed %dK memory\n", mb_freed);
 }
 
-static int __init acornfb_probe(struct device *dev)
+static int __init acornfb_probe(struct platform_device *dev)
 {
 	unsigned long size;
 	u_int h_sync, v_sync;
@@ -1292,7 +1292,7 @@
 
 	acornfb_init_fbinfo();
 
-	current_par.dev = dev;
+	current_par.dev = &dev->dev;
 
 	if (current_par.montype == -1)
 		current_par.montype = acornfb_detect_monitortype();
@@ -1453,15 +1453,16 @@
 	return 0;
 }
 
-static struct device_driver acornfb_driver = {
-	.name	= "acornfb",
-	.bus	= &platform_bus_type,
+static struct platform_driver acornfb_driver = {
 	.probe	= acornfb_probe,
+	.driver	= {
+		.name	= "acornfb",
+	},
 };
 
 static int __init acornfb_init(void)
 {
-	return driver_register(&acornfb_driver);
+	return platform_driver_register(&acornfb_driver);
 }
 
 module_init(acornfb_init);