[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, 23 insertions, 23 deletions

diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index 48e70f153c4b..daa46051f55d 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -437,9 +437,9 @@ static void w100fb_restore_vidmem(struct w100fb_par *par)
         }
 }
 
-static int w100fb_suspend(struct device *dev, pm_message_t state)
+static int w100fb_suspend(struct platform_device *dev, pm_message_t state)
 {
-        struct fb_info *info = dev_get_drvdata(dev);
+        struct fb_info *info = platform_get_drvdata(dev);
         struct w100fb_par *par=info->par;
         struct w100_tg_info *tg = par->mach->tg;
 
@@ -452,9 +452,9 @@ static int w100fb_suspend(struct device *dev, pm_message_t state)
         return 0;
 }
 
-static int w100fb_resume(struct device *dev)
+static int w100fb_resume(struct platform_device *dev)
 {
-        struct fb_info *info = dev_get_drvdata(dev);
+        struct fb_info *info = platform_get_drvdata(dev);
         struct w100fb_par *par=info->par;
         struct w100_tg_info *tg = par->mach->tg;
 
@@ -473,13 +473,12 @@ static int w100fb_resume(struct device *dev)
 #endif
 
 
-int __init w100fb_probe(struct device *dev)
+int __init w100fb_probe(struct platform_device *pdev)
 {
         int err = -EIO;
         struct w100fb_mach_info *inf;
         struct fb_info *info = NULL;
         struct w100fb_par *par;
-        struct platform_device *pdev = to_platform_device(dev);
         struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         unsigned int chip_id;
 
@@ -522,9 +521,9 @@ int __init w100fb_probe(struct device *dev)
         }
 
         par = info->par;
-        dev_set_drvdata(dev, info);
+        platform_set_drvdata(pdev, info);
 
-        inf = dev->platform_data;
+        inf = pdev->dev.platform_data;
         par->chip_id = chip_id;
         par->mach = inf;
         par->fastpll_mode = 0;
@@ -600,10 +599,10 @@ int __init w100fb_probe(struct device *dev)
                 goto out;
         }
 
-        device_create_file(dev, &dev_attr_fastpllclk);
-        device_create_file(dev, &dev_attr_reg_read);
-        device_create_file(dev, &dev_attr_reg_write);
-        device_create_file(dev, &dev_attr_flip);
+        device_create_file(&pdev->dev, &dev_attr_fastpllclk);
+        device_create_file(&pdev->dev, &dev_attr_reg_read);
+        device_create_file(&pdev->dev, &dev_attr_reg_write);
+        device_create_file(&pdev->dev, &dev_attr_flip);
 
         printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id);
         return 0;
@@ -622,15 +621,15 @@ out:
 }
 
 
-static int w100fb_remove(struct device *dev)
+static int w100fb_remove(struct platform_device *pdev)
 {
-        struct fb_info *info = dev_get_drvdata(dev);
+        struct fb_info *info = platform_get_drvdata(pdev);
         struct w100fb_par *par=info->par;
 
-        device_remove_file(dev, &dev_attr_fastpllclk);
-        device_remove_file(dev, &dev_attr_reg_read);
-        device_remove_file(dev, &dev_attr_reg_write);
-        device_remove_file(dev, &dev_attr_flip);
+        device_remove_file(&pdev->dev, &dev_attr_fastpllclk);
+        device_remove_file(&pdev->dev, &dev_attr_reg_read);
+        device_remove_file(&pdev->dev, &dev_attr_reg_write);
+        device_remove_file(&pdev->dev, &dev_attr_flip);
 
         unregister_framebuffer(info);
 
@@ -1448,23 +1447,24 @@ static void w100_vsync(void)
         writel(0x00000002, remapped_regs + mmGEN_INT_STATUS);
 }
 
-static struct device_driver w100fb_driver = {
-        .name           = "w100fb",
-        .bus            = &platform_bus_type,
+static struct platform_driver w100fb_driver = {
         .probe          = w100fb_probe,
         .remove         = w100fb_remove,
         .suspend        = w100fb_suspend,
         .resume         = w100fb_resume,
+        .driver         = {
+                .name   = "w100fb",
+        },
 };
 
 int __devinit w100fb_init(void)
 {
-        return driver_register(&w100fb_driver);
+        return platform_driver_register(&w100fb_driver);
 }
 
 void __exit w100fb_cleanup(void)
 {
-        driver_unregister(&w100fb_driver);
+        platform_driver_unregister(&w100fb_driver);
 }
 
 module_init(w100fb_init);