[NET] sunlance: Convert to new SBUS driver framework.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 97 insertions, 76 deletions

diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 6381243d8d00..2c239ab63a80 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -266,7 +266,6 @@ struct lance_private {
         char                   *name;
         dma_addr_t              init_block_dvma;
         struct net_device      *dev;              /* Backpointer        */
-        struct lance_private   *next_module;
         struct sbus_dev        *sdev;
         struct timer_list       multicast_timer;
 };
@@ -298,8 +297,6 @@ int sparc_lance_debug = 2;
 
 #define LANCE_ADDR(x) ((long)(x) & ~0xff000000)
 
-static struct lance_private *root_lance_dev;
-
 /* Load the CSR registers */
 static void load_csrs(struct lance_private *lp)
 {
@@ -1327,9 +1324,9 @@ static struct ethtool_ops sparc_lance_ethtool_ops = {
         .get_link               = sparc_lance_get_link,
 };
 
-static int __init sparc_lance_init(struct sbus_dev *sdev,
-                                   struct sbus_dma *ledma,
-                                   struct sbus_dev *lebuffer)
+static int __init sparc_lance_probe_one(struct sbus_dev *sdev,
+                                        struct sbus_dma *ledma,
+                                        struct sbus_dev *lebuffer)
 {
         static unsigned version_printed;
         struct net_device *dev;
@@ -1473,6 +1470,7 @@ no_link_test:
 
         lp->dev = dev;
         SET_MODULE_OWNER(dev);
+        SET_NETDEV_DEV(dev, &sdev->ofdev.dev);
         dev->open = &lance_open;
         dev->stop = &lance_close;
         dev->hard_start_xmit = &lance_start_xmit;
@@ -1500,8 +1498,7 @@ no_link_test:
                 goto fail;
         }
 
-        lp->next_module = root_lance_dev;
-        root_lance_dev = lp;
+        dev_set_drvdata(&sdev->ofdev.dev, lp);
 
         printk(KERN_INFO "%s: LANCE ", dev->name);
 
@@ -1536,88 +1533,112 @@ static inline struct sbus_dma *find_ledma(struct sbus_dev *sdev)
 #include <asm/machines.h>
 
 /* Find all the lance cards on the system and initialize them */
-static int __init sparc_lance_probe(void)
+static struct sbus_dev sun4_sdev;
+static int __init sparc_lance_init(void)
 {
-        static struct sbus_dev sdev;
-        static int called;
-
-        root_lance_dev = NULL;
-
-        if (called)
-                return -ENODEV;
-        called++;
-
         if ((idprom->id_machtype == (SM_SUN4|SM_4_330)) ||
             (idprom->id_machtype == (SM_SUN4|SM_4_470))) {
-                memset(&sdev, 0, sizeof(sdev));
-                sdev.reg_addrs[0].phys_addr = sun4_eth_physaddr;
-                sdev.irqs[0] = 6;
-                return sparc_lance_init(&sdev, NULL, NULL);
+                memset(&sun4_sdev, 0, sizeof(sdev));
+                sun4_sdev.reg_addrs[0].phys_addr = sun4_eth_physaddr;
+                sun4_sdev.irqs[0] = 6;
+                return sparc_lance_probe_one(&sun4_sdev, NULL, NULL);
         }
         return -ENODEV;
 }
 
-#else /* !CONFIG_SUN4 */
-
-/* Find all the lance cards on the system and initialize them */
-static int __init sparc_lance_probe(void)
+static int __exit sunlance_sun4_remove(void)
 {
-        struct sbus_bus *bus;
-        struct sbus_dev *sdev = NULL;
-        struct sbus_dma *ledma = NULL;
-        static int called;
-        int cards = 0, v;
-
-        root_lance_dev = NULL;
-
-        if (called)
-                return -ENODEV;
-        called++;
-
-        for_each_sbus (bus) {
-                for_each_sbusdev (sdev, bus) {
-                        if (strcmp(sdev->prom_name, "le") == 0) {
-                                cards++;
-                                if ((v = sparc_lance_init(sdev, NULL, NULL)))
-                                        return v;
-                                continue;
-                        }
-                        if (strcmp(sdev->prom_name, "ledma") == 0) {
-                                cards++;
-                                ledma = find_ledma(sdev);
-                                if ((v = sparc_lance_init(sdev->child,
-                                                          ledma, NULL)))
-                                        return v;
-                                continue;
-                        }
-                        if (strcmp(sdev->prom_name, "lebuffer") == 0){
-                                cards++;
-                                if ((v = sparc_lance_init(sdev->child,
-                                                          NULL, sdev)))
-                                        return v;
-                                continue;
-                        }
-                } /* for each sbusdev */
-        } /* for each sbus */
-        if (!cards)
-                return -ENODEV;
+        struct lance_private *lp = dev_get_drvdata(&sun4_sdev->dev);
+        struct net_device *net_dev = lp->dev;
+
+        unregister_netdevice(net_dev);
+
+        lance_free_hwresources(root_lance_dev);
+
+        free_netdev(net_dev);
+
+        dev_set_drvdata(&sun4_sdev->dev, NULL);
+
         return 0;
 }
-#endif /* !CONFIG_SUN4 */
 
-static void __exit sparc_lance_cleanup(void)
+#else /* !CONFIG_SUN4 */
+
+static int __devinit sunlance_sbus_probe(struct of_device *dev, const struct of_device_id *match)
 {
-        struct lance_private *lp;
+        struct sbus_dev *sdev = to_sbus_device(&dev->dev);
+        struct device_node *dp = dev->node;
+        int err;
+
+        if (!strcmp(dp->name, "le")) {
+                err = sparc_lance_probe_one(sdev, NULL, NULL);
+        } else if (!strcmp(dp->name, "ledma")) {
+                struct sbus_dma *ledma = find_ledma(sdev);
 
-        while (root_lance_dev) {
-                lp = root_lance_dev->next_module;
+                err = sparc_lance_probe_one(sdev->child, ledma, NULL);
+        } else {
+                BUG_ON(strcmp(dp->name, "lebuffer"));
 
-                unregister_netdev(root_lance_dev->dev);
-                lance_free_hwresources(root_lance_dev);
-                free_netdev(root_lance_dev->dev);
-                root_lance_dev = lp;
+                err = sparc_lance_probe_one(sdev->child, NULL, sdev);
         }
+
+        return err;
+}
+
+static int __devexit sunlance_sbus_remove(struct of_device *dev)
+{
+        struct lance_private *lp = dev_get_drvdata(&dev->dev);
+        struct net_device *net_dev = lp->dev;
+
+        unregister_netdevice(net_dev);
+
+        lance_free_hwresources(lp);
+
+        free_netdev(net_dev);
+
+        dev_set_drvdata(&dev->dev, NULL);
+
+        return 0;
+}
+
+static struct of_device_id sunlance_sbus_match[] = {
+        {
+                .name = "le",
+        },
+        {
+                .name = "ledma",
+        },
+        {
+                .name = "lebuffer",
+        },
+        {},
+};
+
+MODULE_DEVICE_TABLE(of, sunlance_sbus_match);
+
+static struct of_platform_driver sunlance_sbus_driver = {
+        .name           = "sunlance",
+        .match_table    = sunlance_sbus_match,
+        .probe          = sunlance_sbus_probe,
+        .remove         = __devexit_p(sunlance_sbus_remove),
+};
+
+
+/* Find all the lance cards on the system and initialize them */
+static int __init sparc_lance_init(void)
+{
+        return of_register_driver(&sunlance_sbus_driver, &sbus_bus_type);
+}
+#endif /* !CONFIG_SUN4 */
+
+static void __exit sparc_lance_exit(void)
+{
+#ifdef CONFIG_SUN4
+        sunlance_sun4_remove();
+#else
+        of_unregister_driver(&sunlance_sbus_driver);
+#endif
 }
 
-module_init(sparc_lance_probe);
-module_exit(sparc_lance_cleanup);
+module_init(sparc_lance_init);
+module_exit(sparc_lance_exit);