[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>

1 files changed, 18 insertions, 18 deletions

diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 9e8bb1782be0..5cefb015633c 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -356,9 +356,8 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat)
 
 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 @@ static int __init sa1100_mtd_probe(struct device *dev)
 
         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 @@ static int sa1100_mtd_suspend(struct device *dev, pm_message_t state)
         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 @@ static void sa1100_mtd_shutdown(struct device *dev)
 #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);