[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, 11 deletions

diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c
index 8794dc5d2466..ffa1ad474226 100644
--- a/drivers/video/vfb.c
+++ b/drivers/video/vfb.c
@@ -403,9 +403,8 @@ static void vfb_platform_release(struct device *device)
         // This is called when the reference count goes to zero.
 }
 
-static int __init vfb_probe(struct device *device)
+static int __init vfb_probe(struct platform_device *dev)
 {
-        struct platform_device *dev = to_platform_device(device);
         struct fb_info *info;
         int retval = -ENOMEM;
 
@@ -447,7 +446,7 @@ static int __init vfb_probe(struct device *device)
         retval = register_framebuffer(info);
         if (retval < 0)
                 goto err2;
-        dev_set_drvdata(&dev->dev, info);
+        platform_set_drvdata(dev, info);
 
         printk(KERN_INFO
                "fb%d: Virtual frame buffer device, using %ldK of video memory\n",
@@ -462,9 +461,9 @@ err:
         return retval;
 }
 
-static int vfb_remove(struct device *device)
+static int vfb_remove(struct platform_device *dev)
 {
-        struct fb_info *info = dev_get_drvdata(device);
+        struct fb_info *info = platform_get_drvdata(dev);
 
         if (info) {
                 unregister_framebuffer(info);
@@ -474,11 +473,12 @@ static int vfb_remove(struct device *device)
         return 0;
 }
 
-static struct device_driver vfb_driver = {
-        .name   = "vfb",
-        .bus    = &platform_bus_type,
+static struct platform_driver vfb_driver = {
         .probe  = vfb_probe,
         .remove = vfb_remove,
+        .driver = {
+                .name   = "vfb",
+        },
 };
 
 static struct platform_device vfb_device = {
@@ -504,12 +504,12 @@ static int __init vfb_init(void)
         if (!vfb_enable)
                 return -ENXIO;
 
-        ret = driver_register(&vfb_driver);
+        ret = platform_driver_register(&vfb_driver);
 
         if (!ret) {
                 ret = platform_device_register(&vfb_device);
                 if (ret)
-                        driver_unregister(&vfb_driver);
+                        platform_driver_unregister(&vfb_driver);
         }
         return ret;
 }
@@ -520,7 +520,7 @@ module_init(vfb_init);
 static void __exit vfb_exit(void)
 {
         platform_device_unregister(&vfb_device);
-        driver_unregister(&vfb_driver);
+        platform_driver_unregister(&vfb_driver);
 }
 
 module_exit(vfb_exit);