[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/net/dm9000.c b/drivers/net/dm9000.c
index c0af6fb..2522722 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -149,7 +149,7 @@
} 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 @@
* 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 @@
}
SET_MODULE_OWNER(ndev);
- SET_NETDEV_DEV(ndev, dev);
+ SET_NETDEV_DEV(ndev, &pdev->dev);
PRINTK2("dm9000_probe()");
@@ -570,7 +569,7 @@
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 @@
}
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 @@
}
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 @@
}
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 @@
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 @@
{
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);