[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>

1 files changed, 10 insertions, 10 deletions

diff --git a/drivers/char/watchdog/mv64x60_wdt.c b/drivers/char/watchdog/mv64x60_wdt.c
index 119b3c541d95..00d9ef04a369 100644
--- a/drivers/char/watchdog/mv64x60_wdt.c
+++ b/drivers/char/watchdog/mv64x60_wdt.c
@@ -182,10 +182,9 @@ static struct miscdevice mv64x60_wdt_miscdev = {
         .fops = &mv64x60_wdt_fops,
 };
 
-static int __devinit mv64x60_wdt_probe(struct device *dev)
+static int __devinit mv64x60_wdt_probe(struct platform_device *dev)
 {
-        struct platform_device *pd = to_platform_device(dev);
-        struct mv64x60_wdt_pdata *pdata = pd->dev.platform_data;
+        struct mv64x60_wdt_pdata *pdata = dev->dev.platform_data;
         int bus_clk = 133;
 
         mv64x60_wdt_timeout = 10;
@@ -202,7 +201,7 @@ static int __devinit mv64x60_wdt_probe(struct device *dev)
         return misc_register(&mv64x60_wdt_miscdev);
 }
 
-static int __devexit mv64x60_wdt_remove(struct device *dev)
+static int __devexit mv64x60_wdt_remove(struct platform_device *dev)
 {
         misc_deregister(&mv64x60_wdt_miscdev);
 
@@ -212,12 +211,13 @@ static int __devexit mv64x60_wdt_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver mv64x60_wdt_driver = {
-        .owner = THIS_MODULE,
-        .name = MV64x60_WDT_NAME,
-        .bus = &platform_bus_type,
+static struct platform_driver mv64x60_wdt_driver = {
         .probe = mv64x60_wdt_probe,
         .remove = __devexit_p(mv64x60_wdt_remove),
+        .driver = {
+                .owner = THIS_MODULE,
+                .name = MV64x60_WDT_NAME,
+        },
 };
 
 static struct platform_device *mv64x60_wdt_dev;
@@ -235,14 +235,14 @@ static int __init mv64x60_wdt_init(void)
                 goto out;
         }
 
-        ret = driver_register(&mv64x60_wdt_driver);
+        ret = platform_driver_register(&mv64x60_wdt_driver);
       out:
         return ret;
 }
 
 static void __exit mv64x60_wdt_exit(void)
 {
-        driver_unregister(&mv64x60_wdt_driver);
+        platform_driver_unregister(&mv64x60_wdt_driver);
         platform_device_unregister(mv64x60_wdt_dev);
 }