[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>
diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index 48e70f1..daa4605 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -437,9 +437,9 @@
}
}
-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 @@
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 @@
#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 @@
}
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 @@
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 @@
}
-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 @@
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);