[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/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index 641eb2b..fc7a78e 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -111,13 +111,12 @@
}
-static int ixp2000_flash_remove(struct device *_dev)
+static int ixp2000_flash_remove(struct platform_device *dev)
{
- struct platform_device *dev = to_platform_device(_dev);
struct flash_platform_data *plat = dev->dev.platform_data;
- struct ixp2000_flash_info *info = dev_get_drvdata(&dev->dev);
+ struct ixp2000_flash_info *info = platform_get_drvdata(dev);
- dev_set_drvdata(&dev->dev, NULL);
+ platform_set_drvdata(dev, NULL);
if(!info)
return 0;
@@ -143,10 +142,9 @@
}
-static int ixp2000_flash_probe(struct device *_dev)
+static int ixp2000_flash_probe(struct platform_device *dev)
{
static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
- struct platform_device *dev = to_platform_device(_dev);
struct ixp2000_flash_data *ixp_data = dev->dev.platform_data;
struct flash_platform_data *plat;
struct ixp2000_flash_info *info;
@@ -177,7 +175,7 @@
}
memzero(info, sizeof(struct ixp2000_flash_info));
- dev_set_drvdata(&dev->dev, info);
+ platform_set_drvdata(dev, info);
/*
* Tell the MTD layer we're not 1:1 mapped so that it does
@@ -248,25 +246,26 @@
return 0;
Error:
- ixp2000_flash_remove(_dev);
+ ixp2000_flash_remove(dev);
return err;
}
-static struct device_driver ixp2000_flash_driver = {
- .name = "IXP2000-Flash",
- .bus = &platform_bus_type,
+static struct platform_driver ixp2000_flash_driver = {
.probe = &ixp2000_flash_probe,
.remove = &ixp2000_flash_remove
+ .driver = {
+ .name = "IXP2000-Flash",
+ },
};
static int __init ixp2000_flash_init(void)
{
- return driver_register(&ixp2000_flash_driver);
+ return platform_driver_register(&ixp2000_flash_driver);
}
static void __exit ixp2000_flash_exit(void)
{
- driver_unregister(&ixp2000_flash_driver);
+ platform_driver_unregister(&ixp2000_flash_driver);
}
module_init(ixp2000_flash_init);