[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, 14 insertions, 14 deletions

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 962580f2c4ab..e8dab3983619 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -127,8 +127,8 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static void adjust_link(struct net_device *dev);
 static void init_registers(struct net_device *dev);
 static int init_phy(struct net_device *dev);
-static int gfar_probe(struct device *device);
-static int gfar_remove(struct device *device);
+static int gfar_probe(struct platform_device *pdev);
+static int gfar_remove(struct platform_device *pdev);
 static void free_skb_resources(struct gfar_private *priv);
 static void gfar_set_multi(struct net_device *dev);
 static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr);
@@ -157,12 +157,11 @@ int gfar_uses_fcb(struct gfar_private *priv)
 
 /* Set up the ethernet device structure, private data,
  * and anything else we need before we start */
-static int gfar_probe(struct device *device)
+static int gfar_probe(struct platform_device *pdev)
 {
         u32 tempval;
         struct net_device *dev = NULL;
         struct gfar_private *priv = NULL;
-        struct platform_device *pdev = to_platform_device(device);
         struct gianfar_platform_data *einfo;
         struct resource *r;
         int idx;
@@ -209,7 +208,7 @@ static int gfar_probe(struct device *device)
 
         spin_lock_init(&priv->lock);
 
-        dev_set_drvdata(device, dev);
+        platform_set_drvdata(pdev, dev);
 
         /* Stop the DMA engine now, in case it was running before */
         /* (The firmware could have used it, and left it running). */
@@ -246,7 +245,7 @@ static int gfar_probe(struct device *device)
         dev->base_addr = (unsigned long) (priv->regs);
 
         SET_MODULE_OWNER(dev);
-        SET_NETDEV_DEV(dev, device);
+        SET_NETDEV_DEV(dev, &pdev->dev);
 
         /* Fill in the dev structure */
         dev->open = gfar_enet_open;
@@ -378,12 +377,12 @@ regs_fail:
         return err;
 }
 
-static int gfar_remove(struct device *device)
+static int gfar_remove(struct platform_device *pdev)
 {
-        struct net_device *dev = dev_get_drvdata(device);
+        struct net_device *dev = platform_get_drvdata(pdev);
         struct gfar_private *priv = netdev_priv(dev);
 
-        dev_set_drvdata(device, NULL);
+        platform_set_drvdata(pdev, NULL);
 
         iounmap((void *) priv->regs);
         free_netdev(dev);
@@ -1862,11 +1861,12 @@ static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs)
 }
 
 /* Structure for a device driver */
-static struct device_driver gfar_driver = {
-        .name = "fsl-gianfar",
-        .bus = &platform_bus_type,
+static struct platform_driver gfar_driver = {
         .probe = gfar_probe,
         .remove = gfar_remove,
+        .driver = {
+                .name = "fsl-gianfar",
+        },
 };
 
 static int __init gfar_init(void)
@@ -1876,7 +1876,7 @@ static int __init gfar_init(void)
         if (err)
                 return err;
 
-        err = driver_register(&gfar_driver);
+        err = platform_driver_register(&gfar_driver);
 
         if (err)
                 gfar_mdio_exit();
@@ -1886,7 +1886,7 @@ static int __init gfar_init(void)
 
 static void __exit gfar_exit(void)
 {
-        driver_unregister(&gfar_driver);
+        platform_driver_unregister(&gfar_driver);
         gfar_mdio_exit();
 }