[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, 17 insertions, 18 deletions

diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index c0af6fb1fbba..25227222e086 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -149,7 +149,7 @@ typedef struct board_info {
 } board_info_t;
 
 /* function declaration ------------------------------------- */
-static int dm9000_probe(struct device *);
+static int dm9000_probe(struct platform_device *);
 static int dm9000_open(struct net_device *);
 static int dm9000_start_xmit(struct sk_buff *, struct net_device *);
 static int dm9000_stop(struct net_device *);
@@ -379,9 +379,8 @@ dm9000_release_board(struct platform_device *pdev, struct board_info *db)
  * Search DM9000 board, allocate space and register it
  */
 static int
-dm9000_probe(struct device *dev)
+dm9000_probe(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
         struct dm9000_plat_data *pdata = pdev->dev.platform_data;
         struct board_info *db;  /* Point a board information structure */
         struct net_device *ndev;
@@ -399,7 +398,7 @@ dm9000_probe(struct device *dev)
         }
 
         SET_MODULE_OWNER(ndev);
-        SET_NETDEV_DEV(ndev, dev);
+        SET_NETDEV_DEV(ndev, &pdev->dev);
 
         PRINTK2("dm9000_probe()");
 
@@ -570,7 +569,7 @@ dm9000_probe(struct device *dev)
                 printk("%s: Invalid ethernet MAC address.  Please "
                        "set using ifconfig\n", ndev->name);
 
-        dev_set_drvdata(dev, ndev);
+        platform_set_drvdata(pdev, ndev);
         ret = register_netdev(ndev);
 
         if (ret == 0) {
@@ -1141,9 +1140,9 @@ dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value)
 }
 
 static int
-dm9000_drv_suspend(struct device *dev, pm_message_t state)
+dm9000_drv_suspend(struct platform_device *dev, pm_message_t state)
 {
-        struct net_device *ndev = dev_get_drvdata(dev);
+        struct net_device *ndev = platform_get_drvdata(dev);
 
         if (ndev) {
                 if (netif_running(ndev)) {
@@ -1155,9 +1154,9 @@ dm9000_drv_suspend(struct device *dev, pm_message_t state)
 }
 
 static int
-dm9000_drv_resume(struct device *dev)
+dm9000_drv_resume(struct platform_device *dev)
 {
-        struct net_device *ndev = dev_get_drvdata(dev);
+        struct net_device *ndev = platform_get_drvdata(dev);
         board_info_t *db = (board_info_t *) ndev->priv;
 
         if (ndev) {
@@ -1173,12 +1172,11 @@ dm9000_drv_resume(struct device *dev)
 }
 
 static int
-dm9000_drv_remove(struct device *dev)
+dm9000_drv_remove(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct net_device *ndev = dev_get_drvdata(dev);
+        struct net_device *ndev = platform_get_drvdata(pdev);
 
-        dev_set_drvdata(dev, NULL);
+        platform_set_drvdata(pdev, NULL);
 
         unregister_netdev(ndev);
         dm9000_release_board(pdev, (board_info_t *) ndev->priv);
@@ -1189,13 +1187,14 @@ dm9000_drv_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver dm9000_driver = {
-        .name    = "dm9000",
-        .bus     = &platform_bus_type,
+static struct platform_driver dm9000_driver = {
         .probe   = dm9000_probe,
         .remove  = dm9000_drv_remove,
         .suspend = dm9000_drv_suspend,
         .resume  = dm9000_drv_resume,
+        .driver = {
+                .name   = "dm9000",
+        },
 };
 
 static int __init
@@ -1203,13 +1202,13 @@ dm9000_init(void)
 {
         printk(KERN_INFO "%s Ethernet Driver\n", CARDNAME);
 
-        return driver_register(&dm9000_driver); /* search board and register */
+        return platform_driver_register(&dm9000_driver);        /* search board and register */
 }
 
 static void __exit
 dm9000_cleanup(void)
 {
-        driver_unregister(&dm9000_driver);
+        platform_driver_unregister(&dm9000_driver);
 }
 
 module_init(dm9000_init);