bnx2x: Changing the Disabled state to a flag
[linux-2.6.git] / drivers / net / sunhme.c
index b22d335..37d721b 100644 (file)
@@ -2252,7 +2252,8 @@ static void happy_meal_tx_timeout(struct net_device *dev)
        netif_wake_queue(dev);
 }
 
-static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb,
+                                        struct net_device *dev)
 {
        struct happy_meal *hp = netdev_priv(dev);
        int entry;
@@ -2275,7 +2276,7 @@ static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev)
                spin_unlock_irq(&hp->happy_lock);
                printk(KERN_ERR "%s: BUG! Tx Ring full when queue awake!\n",
                       dev->name);
-               return 1;
+               return NETDEV_TX_BUSY;
        }
 
        entry = hp->tx_new;
@@ -2338,7 +2339,7 @@ static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev)
        dev->trans_start = jiffies;
 
        tx_add_log(hp, TXLOG_ACTION_TXMIT, 0);
-       return 0;
+       return NETDEV_TX_OK;
 }
 
 static struct net_device_stats *happy_meal_get_stats(struct net_device *dev)
@@ -2543,25 +2544,36 @@ static struct quattro * __devinit quattro_sbus_find(struct of_device *child)
 }
 
 /* After all quattro cards have been probed, we call these functions
- * to register the IRQ handlers.
+ * to register the IRQ handlers for the cards that have been
+ * successfully probed and skip the cards that failed to initialize
  */
-static void __init quattro_sbus_register_irqs(void)
+static int __init quattro_sbus_register_irqs(void)
 {
        struct quattro *qp;
 
        for (qp = qfe_sbus_list; qp != NULL; qp = qp->next) {
                struct of_device *op = qp->quattro_dev;
-               int err;
+               int err, qfe_slot, skip = 0;
+
+               for (qfe_slot = 0; qfe_slot < 4; qfe_slot++) {
+                       if (!qp->happy_meals[qfe_slot])
+                               skip = 1;
+               }
+               if (skip)
+                       continue;
 
                err = request_irq(op->irqs[0],
                                  quattro_sbus_interrupt,
                                  IRQF_SHARED, "Quattro",
                                  qp);
                if (err != 0) {
-                       printk(KERN_ERR "Quattro: Fatal IRQ registery error %d.\n", err);
-                       panic("QFE request irq");
+                       printk(KERN_ERR "Quattro HME: IRQ registration "
+                              "error %d.\n", err);
+                       return err;
                }
        }
+
+       return 0;
 }
 
 static void quattro_sbus_free_irqs(void)
@@ -2570,6 +2582,14 @@ static void quattro_sbus_free_irqs(void)
 
        for (qp = qfe_sbus_list; qp != NULL; qp = qp->next) {
                struct of_device *op = qp->quattro_dev;
+               int qfe_slot, skip = 0;
+
+               for (qfe_slot = 0; qfe_slot < 4; qfe_slot++) {
+                       if (!qp->happy_meals[qfe_slot])
+                               skip = 1;
+               }
+               if (skip)
+                       continue;
 
                free_irq(op->irqs[0], qp);
        }
@@ -2607,6 +2627,18 @@ static struct quattro * __devinit quattro_pci_find(struct pci_dev *pdev)
 }
 #endif /* CONFIG_PCI */
 
+static const struct net_device_ops hme_netdev_ops = {
+       .ndo_open               = happy_meal_open,
+       .ndo_stop               = happy_meal_close,
+       .ndo_start_xmit         = happy_meal_start_xmit,
+       .ndo_tx_timeout         = happy_meal_tx_timeout,
+       .ndo_get_stats          = happy_meal_get_stats,
+       .ndo_set_multicast_list = happy_meal_set_multicast,
+       .ndo_change_mtu         = eth_change_mtu,
+       .ndo_set_mac_address    = eth_mac_addr,
+       .ndo_validate_addr      = eth_validate_addr,
+};
+
 #ifdef CONFIG_SBUS
 static int __devinit happy_meal_sbus_probe_one(struct of_device *op, int is_qfe)
 {
@@ -2617,6 +2649,12 @@ static int __devinit happy_meal_sbus_probe_one(struct of_device *op, int is_qfe)
        int i, qfe_slot = -1;
        int err = -ENODEV;
 
+       sbus_dp = to_of_device(op->dev.parent)->node;
+
+       /* We can match PCI devices too, do not accept those here. */
+       if (strcmp(sbus_dp->name, "sbus"))
+               return err;
+
        if (is_qfe) {
                qp = quattro_sbus_find(op);
                if (qp == NULL)
@@ -2722,10 +2760,6 @@ static int __devinit happy_meal_sbus_probe_one(struct of_device *op, int is_qfe)
        if (qp != NULL)
                hp->happy_flags |= HFLAG_QUATTRO;
 
-       sbus_dp = to_of_device(op->dev.parent)->node;
-       if (is_qfe)
-               sbus_dp = to_of_device(op->dev.parent->parent)->node;
-
        /* Get the supported DVMA burst sizes from our Happy SBUS. */
        hp->happy_bursts = of_getintprop_default(sbus_dp,
                                                 "burst-sizes", 0x00);
@@ -2750,12 +2784,7 @@ static int __devinit happy_meal_sbus_probe_one(struct of_device *op, int is_qfe)
        init_timer(&hp->happy_timer);
 
        hp->dev = dev;
-       dev->open = &happy_meal_open;
-       dev->stop = &happy_meal_close;
-       dev->hard_start_xmit = &happy_meal_start_xmit;
-       dev->get_stats = &happy_meal_get_stats;
-       dev->set_multicast_list = &happy_meal_set_multicast;
-       dev->tx_timeout = &happy_meal_tx_timeout;
+       dev->netdev_ops = &hme_netdev_ops;
        dev->watchdog_timeo = 5*HZ;
        dev->ethtool_ops = &hme_ethtool_ops;
 
@@ -2817,6 +2846,9 @@ err_out_iounmap:
        if (hp->tcvregs)
                of_iounmap(&op->resource[4], hp->tcvregs, TCVR_REG_SIZE);
 
+       if (qp)
+               qp->happy_meals[qfe_slot] = NULL;
+
 err_out_free_netdev:
        free_netdev(dev);
 
@@ -3076,12 +3108,7 @@ static int __devinit happy_meal_pci_probe(struct pci_dev *pdev,
        init_timer(&hp->happy_timer);
 
        hp->dev = dev;
-       dev->open = &happy_meal_open;
-       dev->stop = &happy_meal_close;
-       dev->hard_start_xmit = &happy_meal_start_xmit;
-       dev->get_stats = &happy_meal_get_stats;
-       dev->set_multicast_list = &happy_meal_set_multicast;
-       dev->tx_timeout = &happy_meal_tx_timeout;
+       dev->netdev_ops = &hme_netdev_ops;
        dev->watchdog_timeo = 5*HZ;
        dev->ethtool_ops = &hme_ethtool_ops;
        dev->irq = pdev->irq;
@@ -3279,7 +3306,7 @@ static int __init happy_meal_sbus_init(void)
 
        err = of_register_driver(&hme_sbus_driver, &of_bus_type);
        if (!err)
-               quattro_sbus_register_irqs();
+               err = quattro_sbus_register_irqs();
 
        return err;
 }