[NET] myri_sbus: Convert to new SBUS device layer.

Signed-off-by: David S. Miller <[email protected]>

Author: David S. Miller

drivers/net/myri_sbus.c

@@ -1,10 +1,10 @@
-/* myri_sbus.h: MyriCOM MyriNET SBUS card driver.
+/* myri_sbus.c: MyriCOM MyriNET SBUS card driver.
  *
- * Copyright (C) 1996, 1999 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1996, 1999, 2006 David S. Miller (davem@davemloft.net)
  */
 
 static char version[] =
-        "myri_sbus.c:v1.9 12/Sep/99 David S. Miller (davem@redhat.com)\n";
+        "myri_sbus.c:v2.0 June 23, 2006 David S. Miller (davem@davemloft.net)\n";
 
 #include <linux/module.h>
 #include <linux/config.h>
@@ -81,10 +81,6 @@ static char version[] =
 #define DHDR(x)
 #endif
 
-#ifdef MODULE
-static struct myri_eth *root_myri_dev;
-#endif
-
 static void myri_reset_off(void __iomem *lp, void __iomem *cregs)
 {
 	/* Clear IRQ mask. */
@@ -896,8 +892,9 @@ static void dump_eeprom(struct myri_eth *mp)
 }
 #endif
 
-static int __init myri_ether_init(struct sbus_dev *sdev, int num)
+static int __init myri_ether_init(struct sbus_dev *sdev)
 {
+	static int num;
 	static unsigned version_printed;
 	struct net_device *dev;
 	struct myri_eth *mp;
@@ -913,6 +910,9 @@ static int __init myri_ether_init(struct sbus_dev *sdev, int num)
 	if (version_printed++ == 0)
 		printk(version);
 
+	SET_MODULE_OWNER(dev);
+	SET_NETDEV_DEV(dev, &sdev->ofdev.dev);
+
 	mp = (struct myri_eth *) dev->priv;
 	spin_lock_init(&mp->irq_lock);
 	mp->myri_sdev = sdev;
@@ -1092,10 +1092,9 @@ static int __init myri_ether_init(struct sbus_dev *sdev, int num)
 		goto err_free_irq;
 	}
 
-#ifdef MODULE
-	mp->next_module = root_myri_dev;
-	root_myri_dev = mp;
-#endif
+	dev_set_drvdata(&sdev->ofdev.dev, mp);
+
+	num++;
 
 	printk("%s: MyriCOM MyriNET Ethernet ", dev->name);
 
@@ -1114,61 +1113,68 @@ static int __init myri_ether_init(struct sbus_dev *sdev, int num)
 	return -ENODEV;
 }
 
-static int __init myri_sbus_match(struct sbus_dev *sdev)
-{
-	char *name = sdev->prom_name;
 
-	if (!strcmp(name, "MYRICOM,mlanai") ||
-	    !strcmp(name, "myri"))
-		return 1;
+static int __devinit myri_sbus_probe(struct of_device *dev, const struct of_device_id *match)
+{
+	struct sbus_dev *sdev = to_sbus_device(&dev->dev);
 
-	return 0;
+	return myri_ether_init(sdev);
 }
 
-static int __init myri_sbus_probe(void)
+static int __devexit myri_sbus_remove(struct of_device *dev)
 {
-	struct sbus_bus *bus;
-	struct sbus_dev *sdev = NULL;
-	static int called;
-	int cards = 0, v;
+	struct myri_eth *mp = dev_get_drvdata(&dev->dev);
+	struct net_device *net_dev = mp->dev;
 
-#ifdef MODULE
-	root_myri_dev = NULL;
-#endif
+	unregister_netdevice(net_dev);
 
-	if (called)
-		return -ENODEV;
-	called++;
-
-	for_each_sbus(bus) {
-		for_each_sbusdev(sdev, bus) {
-			if (myri_sbus_match(sdev)) {
-				cards++;
-				DET(("Found myricom myrinet as %s\n", sdev->prom_name));
-				if ((v = myri_ether_init(sdev, (cards - 1))))
-					return v;
-			}
-		}
+	free_irq(net_dev->irq, net_dev);
+
+	if (mp->eeprom.cpuvers < CPUVERS_4_0) {
+		sbus_iounmap(mp->regs, mp->reg_size);
+	} else {
+		sbus_iounmap(mp->cregs, PAGE_SIZE);
+		sbus_iounmap(mp->lregs, (256 * 1024));
+		sbus_iounmap(mp->lanai, (512 * 1024));
 	}
-	if (!cards)
-		return -ENODEV;
+
+	free_netdev(net_dev);
+
+	dev_set_drvdata(&dev->dev, NULL);
+
 	return 0;
 }
 
-static void __exit myri_sbus_cleanup(void)
+static struct of_device_id myri_sbus_match[] = {
+	{
+		.name = "MYRICOM,mlanai",
+	},
+	{
+		.name = "myri",
+	},
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, myri_sbus_match);
+
+static struct of_platform_driver myri_sbus_driver = {
+	.name		= "myri",
+	.match_table	= myri_sbus_match,
+	.probe		= myri_sbus_probe,
+	.remove		= __devexit_p(myri_sbus_remove),
+};
+
+static int __init myri_sbus_init(void)
+{
+	return of_register_driver(&myri_sbus_driver, &sbus_bus_type);
+}
+
+static void __exit myri_sbus_exit(void)
 {
-#ifdef MODULE
-	while (root_myri_dev) {
-		struct myri_eth *next = root_myri_dev->next_module;
-
-		unregister_netdev(root_myri_dev->dev);
-		/* this will also free the co-allocated 'root_myri_dev' */
-		free_netdev(root_myri_dev->dev);
-		root_myri_dev = next;
-	}
-#endif /* MODULE */
+	of_unregister_driver(&myri_sbus_driver);
 }
 
-module_init(myri_sbus_probe);
-module_exit(myri_sbus_cleanup);
+module_init(myri_sbus_init);
+module_exit(myri_sbus_exit);
+
 MODULE_LICENSE("GPL");