[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>

2 files changed, 10 insertions, 8 deletions

diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index fe865d9..b489aad 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -284,9 +284,10 @@ void uml_net_user_timer_expire(unsigned long _conn)
 static DEFINE_SPINLOCK(devices_lock);
 static struct list_head devices = LIST_HEAD_INIT(devices);
 
-static struct device_driver uml_net_driver = {
-	.name  = DRIVER_NAME,
-	.bus   = &platform_bus_type,
+static struct platform_driver uml_net_driver = {
+	.driver = {
+		.name  = DRIVER_NAME,
+	},
 };
 static int driver_registered;
 
@@ -333,7 +334,7 @@ static int eth_configure(int n, void *init, char *mac,
 
 	/* sysfs register */
 	if (!driver_registered) {
-		driver_register(&uml_net_driver);
+		platform_driver_register(&uml_net_driver);
 		driver_registered = 1;
 	}
 	device->pdev.id = n;
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index b2c8625..9389891 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -823,9 +823,10 @@ static int ubd_mc_init(void)
 
 __initcall(ubd_mc_init);
 
-static struct device_driver ubd_driver = {
-	.name  = DRIVER_NAME,
-	.bus   = &platform_bus_type,
+static struct platform_driver ubd_driver = {
+	.driver = {
+		.name  = DRIVER_NAME,
+	},
 };
 
 int ubd_init(void)
@@ -850,7 +851,7 @@ int ubd_init(void)
 		if (register_blkdev(fake_major, "ubd"))
 			return -1;
 	}
-	driver_register(&ubd_driver);
+	platform_driver_register(&ubd_driver);
 	for (i = 0; i < MAX_DEV; i++) 
 		ubd_add(i);
 	return 0;