[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, 11 insertions, 10 deletions

diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c
index 1e5dfc7805e2..3bf05d5d0c82 100644
--- a/drivers/hwmon/hdaps.c
+++ b/drivers/hwmon/hdaps.c
@@ -284,7 +284,7 @@ out:
 
 /* Device model stuff */
 
-static int hdaps_probe(struct device *dev)
+static int hdaps_probe(struct platform_device *dev)
 {
         int ret;
 
@@ -296,17 +296,18 @@ static int hdaps_probe(struct device *dev)
         return 0;
 }
 
-static int hdaps_resume(struct device *dev)
+static int hdaps_resume(struct platform_device *dev)
 {
         return hdaps_device_init();
 }
 
-static struct device_driver hdaps_driver = {
-        .name = "hdaps",
-        .bus = &platform_bus_type,
-        .owner = THIS_MODULE,
+static struct platform_driver hdaps_driver = {
         .probe = hdaps_probe,
-        .resume = hdaps_resume
+        .resume = hdaps_resume,
+        .driver = {
+                .name = "hdaps",
+                .owner = THIS_MODULE,
+        },
 };
 
 /* Input class stuff */
@@ -550,7 +551,7 @@ static int __init hdaps_init(void)
                 goto out;
         }
 
-        ret = driver_register(&hdaps_driver);
+        ret = platform_driver_register(&hdaps_driver);
         if (ret)
                 goto out_region;
 
@@ -583,7 +584,7 @@ static int __init hdaps_init(void)
 out_device:
         platform_device_unregister(pdev);
 out_driver:
-        driver_unregister(&hdaps_driver);
+        platform_driver_unregister(&hdaps_driver);
 out_region:
         release_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS);
 out:
@@ -597,7 +598,7 @@ static void __exit hdaps_exit(void)
         input_unregister_device(&hdaps_idev);
         sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
         platform_device_unregister(pdev);
-        driver_unregister(&hdaps_driver);
+        platform_driver_unregister(&hdaps_driver);
         release_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS);
 
         printk(KERN_INFO "hdaps: driver unloaded.\n");