[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/gbefb.c b/drivers/video/gbefb.c
index 9d5e4f3..d744c51 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -1105,12 +1105,11 @@
return 0;
}
-static int __init gbefb_probe(struct device *dev)
+static int __init gbefb_probe(struct platform_device *p_dev)
{
int i, ret = 0;
struct fb_info *info;
struct gbefb_par *par;
- struct platform_device *p_dev = to_platform_device(dev);
#ifndef MODULE
char *options = NULL;
#endif
@@ -1204,8 +1203,8 @@
goto out_gbe_unmap;
}
- dev_set_drvdata(&p_dev->dev, info);
- gbefb_create_sysfs(dev);
+ platform_set_drvdata(p_dev, info);
+ gbefb_create_sysfs(&p_dev->dev);
printk(KERN_INFO "fb%d: %s rev %d @ 0x%08x using %dkB memory\n",
info->node, info->fix.id, gbe_revision, (unsigned) GBE_BASE,
@@ -1231,10 +1230,9 @@
return ret;
}
-static int __devexit gbefb_remove(struct device* dev)
+static int __devexit gbefb_remove(struct platform_device* p_dev)
{
- struct platform_device *p_dev = to_platform_device(dev);
- struct fb_info *info = dev_get_drvdata(&p_dev->dev);
+ struct fb_info *info = platform_get_drvdata(p_dev);
unregister_framebuffer(info);
gbe_turn_off();
@@ -1252,18 +1250,19 @@
return 0;
}
-static struct device_driver gbefb_driver = {
- .name = "gbefb",
- .bus = &platform_bus_type,
+static struct platform_driver gbefb_driver = {
.probe = gbefb_probe,
.remove = __devexit_p(gbefb_remove),
+ .driver = {
+ .name = "gbefb",
+ },
};
static struct platform_device *gbefb_device;
int __init gbefb_init(void)
{
- int ret = driver_register(&gbefb_driver);
+ int ret = platform_driver_register(&gbefb_driver);
if (!ret) {
gbefb_device = platform_device_alloc("gbefb", 0);
if (gbefb_device) {
@@ -1273,7 +1272,7 @@
}
if (ret) {
platform_device_put(gbefb_device);
- driver_unregister(&gbefb_driver);
+ platform_driver_unregister(&gbefb_driver);
}
}
return ret;
@@ -1282,7 +1281,7 @@
void __exit gbefb_exit(void)
{
platform_device_unregister(gbefb_device);
- driver_unregister(&gbefb_driver);
+ platform_driver_unregister(&gbefb_driver);
}
module_init(gbefb_init);