[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/epson1355fb.c b/drivers/video/epson1355fb.c
index 6a81a1d..3b0e713 100644
--- a/drivers/video/epson1355fb.c
+++ b/drivers/video/epson1355fb.c
@@ -609,9 +609,9 @@
{
}
-static int epson1355fb_remove(struct device *device)
+static int epson1355fb_remove(struct platform_device *dev)
{
- struct fb_info *info = dev_get_drvdata(device);
+ struct fb_info *info = platform_get_drvdata(dev);
struct epson1355_par *par = info->par;
backlight_enable(0);
@@ -632,9 +632,8 @@
return 0;
}
-int __init epson1355fb_probe(struct device *device)
+int __init epson1355fb_probe(struct platform_device *dev)
{
- struct platform_device *dev = to_platform_device(device);
struct epson1355_par *default_par;
struct fb_info *info;
u8 revision;
@@ -713,7 +712,7 @@
/*
* Our driver data.
*/
- dev_set_drvdata(&dev->dev, info);
+ platform_set_drvdata(dev, info);
printk(KERN_INFO "fb%d: %s frame buffer device\n",
info->node, info->fix.id);
@@ -721,15 +720,16 @@
return 0;
bail:
- epson1355fb_remove(device);
+ epson1355fb_remove(dev);
return rc;
}
-static struct device_driver epson1355fb_driver = {
- .name = "epson1355fb",
- .bus = &platform_bus_type,
+static struct platform_driver epson1355fb_driver = {
.probe = epson1355fb_probe,
.remove = epson1355fb_remove,
+ .driver = {
+ .name = "epson1355fb",
+ },
};
static struct platform_device epson1355fb_device = {
@@ -747,11 +747,11 @@
if (fb_get_options("epson1355fb", NULL))
return -ENODEV;
- ret = driver_register(&epson1355fb_driver);
+ ret = platform_driver_register(&epson1355fb_driver);
if (!ret) {
ret = platform_device_register(&epson1355fb_device);
if (ret)
- driver_unregister(&epson1355fb_driver);
+ platform_driver_unregister(&epson1355fb_driver);
}
return ret;
}
@@ -762,7 +762,7 @@
static void __exit epson1355fb_exit(void)
{
platform_device_unregister(&epson1355fb_device);
- driver_unregister(&epson1355fb_driver);
+ platform_driver_unregister(&epson1355fb_driver);
}
/* ------------------------------------------------------------------------- */
