[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/arcfb.c b/drivers/video/arcfb.c
index a1fc8bbb1090..080db812ca48 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -514,9 +514,8 @@ static struct fb_ops arcfb_ops = {
         .fb_ioctl       = arcfb_ioctl,
 };
 
-static int __init arcfb_probe(struct device *device)
+static int __init arcfb_probe(struct platform_device *dev)
 {
-        struct platform_device *dev = to_platform_device(device);
         struct fb_info *info;
         int retval = -ENOMEM;
         int videomemorysize;
@@ -559,7 +558,7 @@ static int __init arcfb_probe(struct device *device)
         retval = register_framebuffer(info);
         if (retval < 0)
                 goto err1;
-        dev_set_drvdata(&dev->dev, info);
+        platform_set_drvdata(dev, info);
         if (irq) {
                 par->irq = irq;
                 if (request_irq(par->irq, &arcfb_interrupt, SA_SHIRQ,
@@ -600,9 +599,9 @@ err:
         return retval;
 }
 
-static int arcfb_remove(struct device *device)
+static int arcfb_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);
@@ -612,11 +611,12 @@ static int arcfb_remove(struct device *device)
         return 0;
 }
 
-static struct device_driver arcfb_driver = {
-        .name   = "arcfb",
-        .bus    = &platform_bus_type,
+static struct platform_driver arcfb_driver = {
         .probe  = arcfb_probe,
         .remove = arcfb_remove,
+        .driver = {
+                .name   = "arcfb",
+        },
 };
 
 static struct platform_device *arcfb_device;
@@ -628,7 +628,7 @@ static int __init arcfb_init(void)
         if (!arcfb_enable)
                 return -ENXIO;
 
-        ret = driver_register(&arcfb_driver);
+        ret = platform_driver_register(&arcfb_driver);
         if (!ret) {
                 arcfb_device = platform_device_alloc("arcfb", 0);
                 if (arcfb_device) {
@@ -638,7 +638,7 @@ static int __init arcfb_init(void)
                 }
                 if (ret) {
                         platform_device_put(arcfb_device);
-                        driver_unregister(&arcfb_driver);
+                        platform_driver_unregister(&arcfb_driver);
                 }
         }
         return ret;
@@ -648,7 +648,7 @@ static int __init arcfb_init(void)
 static void __exit arcfb_exit(void)
 {
         platform_device_unregister(arcfb_device);
-        driver_unregister(&arcfb_driver);
+        platform_driver_unregister(&arcfb_driver);
 }
 
 module_param(num_cols, ulong, 0);