[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/bast-flash.c b/drivers/mtd/maps/bast-flash.c
index b7858eb..51f962d 100644
--- a/drivers/mtd/maps/bast-flash.c
+++ b/drivers/mtd/maps/bast-flash.c
@@ -63,11 +63,6 @@
static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
-static struct bast_flash_info *to_bast_info(struct device *dev)
-{
- return (struct bast_flash_info *)dev_get_drvdata(dev);
-}
-
static void bast_flash_setrw(int to)
{
unsigned int val;
@@ -87,11 +82,11 @@
local_irq_restore(flags);
}
-static int bast_flash_remove(struct device *dev)
+static int bast_flash_remove(struct platform_device *pdev)
{
- struct bast_flash_info *info = to_bast_info(dev);
+ struct bast_flash_info *info = platform_get_drvdata(pdev);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
if (info == NULL)
return 0;
@@ -116,9 +111,8 @@
return 0;
}
-static int bast_flash_probe(struct device *dev)
+static int bast_flash_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct bast_flash_info *info;
struct resource *res;
int err = 0;
@@ -131,13 +125,13 @@
}
memzero(info, sizeof(*info));
- dev_set_drvdata(dev, info);
+ platform_set_drvdata(pdev, info);
res = pdev->resource; /* assume that the flash has one resource */
info->map.phys = res->start;
info->map.size = res->end - res->start + 1;
- info->map.name = dev->bus_id;
+ info->map.name = pdev->dev.bus_id;
info->map.bankwidth = 2;
if (info->map.size > AREA_MAXSIZE)
@@ -199,27 +193,28 @@
/* fall through to exit error */
exit_error:
- bast_flash_remove(dev);
+ bast_flash_remove(pdev);
return err;
}
-static struct device_driver bast_flash_driver = {
- .name = "bast-nor",
- .owner = THIS_MODULE,
- .bus = &platform_bus_type,
+static struct platform_driver bast_flash_driver = {
.probe = bast_flash_probe,
.remove = bast_flash_remove,
+ .driver = {
+ .name = "bast-nor",
+ .owner = THIS_MODULE,
+ },
};
static int __init bast_flash_init(void)
{
printk("BAST NOR-Flash Driver, (c) 2004 Simtec Electronics\n");
- return driver_register(&bast_flash_driver);
+ return platform_driver_register(&bast_flash_driver);
}
static void __exit bast_flash_exit(void)
{
- driver_unregister(&bast_flash_driver);
+ platform_driver_unregister(&bast_flash_driver);
}
module_init(bast_flash_init);