[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, 9 deletions

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 01e186422021..ac86c1d1d83e 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -912,7 +912,7 @@ static long i8042_panic_blink(long count)
  * Here we try to restore the original BIOS settings
  */
 
-static int i8042_suspend(struct device *dev, pm_message_t state)
+static int i8042_suspend(struct platform_device *dev, pm_message_t state)
 {
         del_timer_sync(&i8042_timer);
         i8042_controller_reset();
@@ -925,7 +925,7 @@ static int i8042_suspend(struct device *dev, pm_message_t state)
  * Here we try to reset everything back to a state in which suspended
  */
 
-static int i8042_resume(struct device *dev)
+static int i8042_resume(struct platform_device *dev)
 {
         int i;
 
@@ -964,17 +964,18 @@ static int i8042_resume(struct device *dev)
  * because otherwise BIOSes will be confused.
  */
 
-static void i8042_shutdown(struct device *dev)
+static void i8042_shutdown(struct platform_device *dev)
 {
         i8042_controller_cleanup();
 }
 
-static struct device_driver i8042_driver = {
-        .name           = "i8042",
-        .bus            = &platform_bus_type,
+static struct platform_driver i8042_driver = {
         .suspend        = i8042_suspend,
         .resume         = i8042_resume,
         .shutdown       = i8042_shutdown,
+        .driver         = {
+                .name   = "i8042",
+        },
 };
 
 static int __init i8042_create_kbd_port(void)
@@ -1078,7 +1079,7 @@ static int __init i8042_init(void)
                 goto err_platform_exit;
         }
 
-        err = driver_register(&i8042_driver);
+        err = platform_driver_register(&i8042_driver);
         if (err)
                 goto err_controller_cleanup;
 
@@ -1126,7 +1127,7 @@ static int __init i8042_init(void)
  err_unregister_device:
         platform_device_unregister(i8042_platform_device);
  err_unregister_driver:
-        driver_unregister(&i8042_driver);
+        platform_driver_unregister(&i8042_driver);
  err_controller_cleanup:
         i8042_controller_cleanup();
  err_platform_exit:
@@ -1148,7 +1149,7 @@ static void __exit i8042_exit(void)
         del_timer_sync(&i8042_timer);
 
         platform_device_unregister(i8042_platform_device);
-        driver_unregister(&i8042_driver);
+        platform_driver_unregister(&i8042_driver);
 
         i8042_platform_exit();