[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/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 9e8bb17..5cefb01 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -356,9 +356,8 @@
static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
-static int __init sa1100_mtd_probe(struct device *dev)
+static int __init sa1100_mtd_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct flash_platform_data *plat = pdev->dev.platform_data;
struct mtd_partition *parts;
const char *part_type = NULL;
@@ -402,28 +401,28 @@
info->nr_parts = nr_parts;
- dev_set_drvdata(dev, info);
+ platform_set_drvdata(pdev, info);
err = 0;
out:
return err;
}
-static int __exit sa1100_mtd_remove(struct device *dev)
+static int __exit sa1100_mtd_remove(struct platform_device *pdev)
{
- struct sa_info *info = dev_get_drvdata(dev);
- struct flash_platform_data *plat = dev->platform_data;
+ struct sa_info *info = platform_get_drvdata(pdev);
+ struct flash_platform_data *plat = pdev->dev.platform_data;
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
sa1100_destroy(info, plat);
return 0;
}
#ifdef CONFIG_PM
-static int sa1100_mtd_suspend(struct device *dev, pm_message_t state)
+static int sa1100_mtd_suspend(struct platform_device *dev, pm_message_t state)
{
- struct sa_info *info = dev_get_drvdata(dev);
+ struct sa_info *info = platform_get_drvdata(dev);
int ret = 0;
if (info)
@@ -432,17 +431,17 @@
return ret;
}
-static int sa1100_mtd_resume(struct device *dev)
+static int sa1100_mtd_resume(struct platform_device *dev)
{
- struct sa_info *info = dev_get_drvdata(dev);
+ struct sa_info *info = platform_get_drvdata(dev);
if (info)
info->mtd->resume(info->mtd);
return 0;
}
-static void sa1100_mtd_shutdown(struct device *dev)
+static void sa1100_mtd_shutdown(struct platform_device *dev)
{
- struct sa_info *info = dev_get_drvdata(dev);
+ struct sa_info *info = platform_get_drvdata(dev);
if (info && info->mtd->suspend(info->mtd) == 0)
info->mtd->resume(info->mtd);
}
@@ -452,24 +451,25 @@
#define sa1100_mtd_shutdown NULL
#endif
-static struct device_driver sa1100_mtd_driver = {
- .name = "flash",
- .bus = &platform_bus_type,
+static struct platform_driver sa1100_mtd_driver = {
.probe = sa1100_mtd_probe,
.remove = __exit_p(sa1100_mtd_remove),
.suspend = sa1100_mtd_suspend,
.resume = sa1100_mtd_resume,
.shutdown = sa1100_mtd_shutdown,
+ .driver = {
+ .name = "flash",
+ },
};
static int __init sa1100_mtd_init(void)
{
- return driver_register(&sa1100_mtd_driver);
+ return platform_driver_register(&sa1100_mtd_driver);
}
static void __exit sa1100_mtd_exit(void)
{
- driver_unregister(&sa1100_mtd_driver);
+ platform_driver_unregister(&sa1100_mtd_driver);
}
module_init(sa1100_mtd_init);