10 files changed, 108 insertions, 79 deletions

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 862f47223fdc..6f8e7d4cf74d 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1491,7 +1491,7 @@ vortex_up(struct net_device *dev)
         struct vortex_private *vp = netdev_priv(dev);
         void __iomem *ioaddr = vp->ioaddr;
         unsigned int config;
-        int i, mii_reg1, mii_reg5, err;
+        int i, mii_reg1, mii_reg5, err = 0;
 
         if (VORTEX_PCI(vp)) {
                 pci_set_power_state(VORTEX_PCI(vp), PCI_D0);    /* Go active */
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index cfbb7aacfe94..70ddf1acfd88 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -992,7 +992,7 @@ static void nv_enable_irq(struct net_device *dev)
                 if (np->msi_flags & NV_MSI_X_ENABLED)
                         enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
                 else
-                        enable_irq(dev->irq);
+                        enable_irq(np->pci_dev->irq);
         } else {
                 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
                 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
@@ -1008,7 +1008,7 @@ static void nv_disable_irq(struct net_device *dev)
                 if (np->msi_flags & NV_MSI_X_ENABLED)
                         disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
                 else
-                        disable_irq(dev->irq);
+                        disable_irq(np->pci_dev->irq);
         } else {
                 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
                 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
@@ -1607,7 +1607,7 @@ static void nv_do_rx_refill(unsigned long data)
                 if (np->msi_flags & NV_MSI_X_ENABLED)
                         disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
                 else
-                        disable_irq(dev->irq);
+                        disable_irq(np->pci_dev->irq);
         } else {
                 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
         }
@@ -1625,7 +1625,7 @@ static void nv_do_rx_refill(unsigned long data)
                 if (np->msi_flags & NV_MSI_X_ENABLED)
                         enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
                 else
-                        enable_irq(dev->irq);
+                        enable_irq(np->pci_dev->irq);
         } else {
                 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
         }
@@ -2408,13 +2408,13 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
         struct fe_priv *np = netdev_priv(dev);
         u32 flags;
         u32 vlanflags = 0;
-        u32 rx_processed_cnt = 0;
+        int rx_work = 0;
         struct sk_buff *skb;
         int len;
 
         while((np->get_rx.ex != np->put_rx.ex) &&
               !((flags = le32_to_cpu(np->get_rx.ex->flaglen)) & NV_RX2_AVAIL) &&
-              (rx_processed_cnt++ < limit)) {
+              (rx_work < limit)) {
 
                 dprintk(KERN_DEBUG "%s: nv_rx_process_optimized: flags 0x%x.\n",
                                         dev->name, flags);
@@ -2517,9 +2517,11 @@ next_pkt:
                         np->get_rx.ex = np->first_rx.ex;
                 if (unlikely(np->get_rx_ctx++ == np->last_rx_ctx))
                         np->get_rx_ctx = np->first_rx_ctx;
+
+                rx_work++;
         }
 
-        return rx_processed_cnt;
+        return rx_work;
 }
 
 static void set_bufsize(struct net_device *dev)
@@ -3558,10 +3560,12 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
         if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
                 if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
                         np->msi_flags |= NV_MSI_ENABLED;
+                        dev->irq = np->pci_dev->irq;
                         if (request_irq(np->pci_dev->irq, handler, IRQF_SHARED, dev->name, dev) != 0) {
                                 printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
                                 pci_disable_msi(np->pci_dev);
                                 np->msi_flags &= ~NV_MSI_ENABLED;
+                                dev->irq = np->pci_dev->irq;
                                 goto out_err;
                         }
 
@@ -3624,7 +3628,7 @@ static void nv_do_nic_poll(unsigned long data)
                 if (np->msi_flags & NV_MSI_X_ENABLED)
                         disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
                 else
-                        disable_irq_lockdep(dev->irq);
+                        disable_irq_lockdep(np->pci_dev->irq);
                 mask = np->irqmask;
         } else {
                 if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
@@ -3642,6 +3646,8 @@ static void nv_do_nic_poll(unsigned long data)
         }
         np->nic_poll_irq = 0;
 
+        /* disable_irq() contains synchronize_irq, thus no irq handler can run now */
+
         if (np->recover_error) {
                 np->recover_error = 0;
                 printk(KERN_INFO "forcedeth: MAC in recoverable error state\n");
@@ -3678,7 +3684,6 @@ static void nv_do_nic_poll(unsigned long data)
                 }
         }
 
-        /* FIXME: Do we need synchronize_irq(dev->irq) here? */
 
         writel(mask, base + NvRegIrqMask);
         pci_push(base);
@@ -3691,7 +3696,7 @@ static void nv_do_nic_poll(unsigned long data)
                 if (np->msi_flags & NV_MSI_X_ENABLED)
                         enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
                 else
-                        enable_irq_lockdep(dev->irq);
+                        enable_irq_lockdep(np->pci_dev->irq);
         } else {
                 if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
                         nv_nic_irq_rx(0, dev);
@@ -4948,7 +4953,7 @@ static int nv_close(struct net_device *dev)
 #ifdef CONFIG_FORCEDETH_NAPI
         napi_disable(&np->napi);
 #endif
-        synchronize_irq(dev->irq);
+        synchronize_irq(np->pci_dev->irq);
 
         del_timer_sync(&np->oom_kick);
         del_timer_sync(&np->nic_poll);
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
index 04c6faec88d2..f2a4d399a6e5 100644
--- a/drivers/net/fs_enet/fs_enet-main.c
+++ b/drivers/net/fs_enet/fs_enet-main.c
@@ -88,7 +88,7 @@ static void skb_align(struct sk_buff *skb, int align)
 static int fs_enet_rx_napi(struct napi_struct *napi, int budget)
 {
         struct fs_enet_private *fep = container_of(napi, struct fs_enet_private, napi);
-        struct net_device *dev = to_net_dev(fep->dev);
+        struct net_device *dev = fep->ndev;
         const struct fs_platform_info *fpi = fep->fpi;
         cbd_t __iomem *bdp;
         struct sk_buff *skb, *skbn, *skbt;
@@ -217,7 +217,7 @@ static int fs_enet_rx_napi(struct napi_struct *napi, int budget)
 
         fep->cur_rx = bdp;
 
-        if (received >= budget) {
+        if (received < budget) {
                 /* done */
                 netif_rx_complete(dev, napi);
                 (*fep->ops->napi_enable_rx)(dev);
@@ -807,20 +807,23 @@ static int fs_enet_open(struct net_device *dev)
         int r;
         int err;
 
-        napi_enable(&fep->napi);
+        if (fep->fpi->use_napi)
+                napi_enable(&fep->napi);
 
         /* Install our interrupt handler. */
         r = fs_request_irq(dev, fep->interrupt, "fs_enet-mac", fs_enet_interrupt);
         if (r != 0) {
                 printk(KERN_ERR DRV_MODULE_NAME
                        ": %s Could not allocate FS_ENET IRQ!", dev->name);
-                napi_disable(&fep->napi);
+                if (fep->fpi->use_napi)
+                        napi_disable(&fep->napi);
                 return -EINVAL;
         }
 
         err = fs_init_phy(dev);
-        if(err) {
-                napi_disable(&fep->napi);
+        if (err) {
+                if (fep->fpi->use_napi)
+                        napi_disable(&fep->napi);
                 return err;
         }
         phy_start(fep->phydev);
@@ -1232,7 +1235,7 @@ static int __devinit fs_enet_probe(struct of_device *ofdev,
         fpi->rx_ring = 32;
         fpi->tx_ring = 32;
         fpi->rx_copybreak = 240;
-        fpi->use_napi = 0;
+        fpi->use_napi = 1;
         fpi->napi_weight = 17;
 
         ret = find_phy(ofdev->node, fpi);
@@ -1249,11 +1252,11 @@ static int __devinit fs_enet_probe(struct of_device *ofdev,
                 goto out_free_fpi;
         }
 
-        SET_MODULE_OWNER(ndev);
         dev_set_drvdata(&ofdev->dev, ndev);
 
         fep = netdev_priv(ndev);
         fep->dev = &ofdev->dev;
+        fep->ndev = ndev;
         fep->fpi = fpi;
         fep->ops = match->data;
 
@@ -1288,10 +1291,11 @@ static int __devinit fs_enet_probe(struct of_device *ofdev,
         ndev->stop = fs_enet_close;
         ndev->get_stats = fs_enet_get_stats;
         ndev->set_multicast_list = fs_set_multicast_list;
-        if (fpi->use_napi) {
-                ndev->poll = fs_enet_rx_napi;
-                ndev->weight = fpi->napi_weight;
-        }
+
+        if (fpi->use_napi)
+                netif_napi_add(ndev, &fep->napi, fs_enet_rx_napi,
+                               fpi->napi_weight);
+
         ndev->ethtool_ops = &fs_ethtool_ops;
         ndev->do_ioctl = fs_ioctl;
 
diff --git a/drivers/net/fs_enet/fs_enet.h b/drivers/net/fs_enet/fs_enet.h
index baf6477165af..c675e29aadcc 100644
--- a/drivers/net/fs_enet/fs_enet.h
+++ b/drivers/net/fs_enet/fs_enet.h
@@ -75,6 +75,7 @@ struct phy_info {
 struct fs_enet_private {
         struct napi_struct napi;
         struct device *dev;     /* pointer back to the device (must be initialized first) */
+        struct net_device *ndev;
         spinlock_t lock;        /* during all ops except TX pckt processing */
         spinlock_t tx_lock;     /* during fs_start_xmit and fs_tx         */
         struct fs_platform_info *fpi;
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index cc288d8f6a53..38268d7335a8 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -956,10 +956,12 @@ static int gfar_enet_open(struct net_device *dev)
         }
 
         err = startup_gfar(dev);
-        if (err)
+        if (err) {
 #ifdef CONFIG_GFAR_NAPI
                 napi_disable(&priv->napi);
 #endif
+                return err;
+        }
 
         netif_start_queue(dev);
 
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index c16cc8b946a9..46cd7735e6fe 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -749,7 +749,6 @@ struct gfar_private {
         uint32_t msg_enable;
 
         /* Network Statistics */
-        struct net_device_stats stats;
         struct gfar_extra_stats extra_stats;
 };
 
diff --git a/drivers/net/ibm_newemac/mal.c b/drivers/net/ibm_newemac/mal.c
index a680eb05ba60..9a88f71db004 100644
--- a/drivers/net/ibm_newemac/mal.c
+++ b/drivers/net/ibm_newemac/mal.c
@@ -322,7 +322,7 @@ void mal_poll_disable(struct mal_instance *mal, struct mal_commac *commac)
                 msleep(1);
 
         /* Synchronize with the MAL NAPI poller */
-        __napi_synchronize(&mal->napi);
+        napi_synchronize(&mal->napi);
 }
 
 void mal_poll_enable(struct mal_instance *mal, struct mal_commac *commac)
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index 5f994b5beda1..ff92aca0a7b3 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -282,7 +282,6 @@ struct pcnet32_private {
 
         struct net_device       *dev;
         struct napi_struct      napi;
-        struct net_device_stats stats;
         char                    tx_full;
         char                    phycount;       /* number of phys found */
         int                     options;
@@ -442,7 +441,9 @@ static struct pcnet32_access pcnet32_dwio = {
 
 static void pcnet32_netif_stop(struct net_device *dev)
 {
+#ifdef CONFIG_PCNET32_NAPI
         struct pcnet32_private *lp = netdev_priv(dev);
+#endif
         dev->trans_start = jiffies;
 #ifdef CONFIG_PCNET32_NAPI
         napi_disable(&lp->napi);
@@ -452,7 +453,9 @@ static void pcnet32_netif_stop(struct net_device *dev)
 
 static void pcnet32_netif_start(struct net_device *dev)
 {
+#ifdef CONFIG_PCNET32_NAPI
         struct pcnet32_private *lp = netdev_priv(dev);
+#endif
         netif_wake_queue(dev);
 #ifdef CONFIG_PCNET32_NAPI
         napi_enable(&lp->napi);
@@ -1178,15 +1181,15 @@ static void pcnet32_rx_entry(struct net_device *dev,
                  * buffers, with only the last correctly noting the error.
                  */
                 if (status & 0x01)      /* Only count a general error at the */
-                        lp->stats.rx_errors++;  /* end of a packet. */
+                        dev->stats.rx_errors++; /* end of a packet. */
                 if (status & 0x20)
-                        lp->stats.rx_frame_errors++;
+                        dev->stats.rx_frame_errors++;
                 if (status & 0x10)
-                        lp->stats.rx_over_errors++;
+                        dev->stats.rx_over_errors++;
                 if (status & 0x08)
-                        lp->stats.rx_crc_errors++;
+                        dev->stats.rx_crc_errors++;
                 if (status & 0x04)
-                        lp->stats.rx_fifo_errors++;
+                        dev->stats.rx_fifo_errors++;
                 return;
         }
 
@@ -1197,13 +1200,13 @@ static void pcnet32_rx_entry(struct net_device *dev,
                 if (netif_msg_drv(lp))
                         printk(KERN_ERR "%s: Impossible packet size %d!\n",
                                dev->name, pkt_len);
-                lp->stats.rx_errors++;
+                dev->stats.rx_errors++;
                 return;
         }
         if (pkt_len < 60) {
                 if (netif_msg_rx_err(lp))
                         printk(KERN_ERR "%s: Runt packet!\n", dev->name);
-                lp->stats.rx_errors++;
+                dev->stats.rx_errors++;
                 return;
         }
 
@@ -1237,7 +1240,7 @@ static void pcnet32_rx_entry(struct net_device *dev,
                         printk(KERN_ERR
                                "%s: Memory squeeze, dropping packet.\n",
                                dev->name);
-                lp->stats.rx_dropped++;
+                dev->stats.rx_dropped++;
                 return;
         }
         skb->dev = dev;
@@ -1256,7 +1259,7 @@ static void pcnet32_rx_entry(struct net_device *dev,
                                                pkt_len,
                                                PCI_DMA_FROMDEVICE);
         }
-        lp->stats.rx_bytes += skb->len;
+        dev->stats.rx_bytes += skb->len;
         skb->protocol = eth_type_trans(skb, dev);
 #ifdef CONFIG_PCNET32_NAPI
         netif_receive_skb(skb);
@@ -1264,7 +1267,7 @@ static void pcnet32_rx_entry(struct net_device *dev,
         netif_rx(skb);
 #endif
         dev->last_rx = jiffies;
-        lp->stats.rx_packets++;
+        dev->stats.rx_packets++;
         return;
 }
 
@@ -1312,21 +1315,21 @@ static int pcnet32_tx(struct net_device *dev)
                 if (status & 0x4000) {
                         /* There was a major error, log it. */
                         int err_status = le32_to_cpu(lp->tx_ring[entry].misc);
-                        lp->stats.tx_errors++;
+                        dev->stats.tx_errors++;
                         if (netif_msg_tx_err(lp))
                                 printk(KERN_ERR
                                        "%s: Tx error status=%04x err_status=%08x\n",
                                        dev->name, status,
                                        err_status);
                         if (err_status & 0x04000000)
-                                lp->stats.tx_aborted_errors++;
+                                dev->stats.tx_aborted_errors++;
                         if (err_status & 0x08000000)
-                                lp->stats.tx_carrier_errors++;
+                                dev->stats.tx_carrier_errors++;
                         if (err_status & 0x10000000)
-                                lp->stats.tx_window_errors++;
+                                dev->stats.tx_window_errors++;
 #ifndef DO_DXSUFLO
                         if (err_status & 0x40000000) {
-                                lp->stats.tx_fifo_errors++;
+                                dev->stats.tx_fifo_errors++;
                                 /* Ackk!  On FIFO errors the Tx unit is turned off! */
                                 /* Remove this verbosity later! */
                                 if (netif_msg_tx_err(lp))
@@ -1337,7 +1340,7 @@ static int pcnet32_tx(struct net_device *dev)
                         }
 #else
                         if (err_status & 0x40000000) {
-                                lp->stats.tx_fifo_errors++;
+                                dev->stats.tx_fifo_errors++;
                                 if (!lp->dxsuflo) {     /* If controller doesn't recover ... */
                                         /* Ackk!  On FIFO errors the Tx unit is turned off! */
                                         /* Remove this verbosity later! */
@@ -1351,8 +1354,8 @@ static int pcnet32_tx(struct net_device *dev)
 #endif
                 } else {
                         if (status & 0x1800)
-                                lp->stats.collisions++;
-                        lp->stats.tx_packets++;
+                                dev->stats.collisions++;
+                        dev->stats.tx_packets++;
                 }
 
                 /* We must free the original skb */
@@ -1849,6 +1852,9 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
         lp->mii_if.mdio_read = mdio_read;
         lp->mii_if.mdio_write = mdio_write;
 
+        /* napi.weight is used in both the napi and non-napi cases */
+        lp->napi.weight = lp->rx_ring_size / 2;
+
 #ifdef CONFIG_PCNET32_NAPI
         netif_napi_add(dev, &lp->napi, pcnet32_poll, lp->rx_ring_size / 2);
 #endif
@@ -2471,7 +2477,7 @@ static void pcnet32_tx_timeout(struct net_device *dev)
                        "%s: transmit timed out, status %4.4x, resetting.\n",
                        dev->name, lp->a.read_csr(ioaddr, CSR0));
         lp->a.write_csr(ioaddr, CSR0, CSR0_STOP);
-        lp->stats.tx_errors++;
+        dev->stats.tx_errors++;
         if (netif_msg_tx_err(lp)) {
                 int i;
                 printk(KERN_DEBUG
@@ -2541,7 +2547,7 @@ static int pcnet32_start_xmit(struct sk_buff *skb, struct net_device *dev)
         lp->tx_ring[entry].status = cpu_to_le16(status);
 
         lp->cur_tx++;
-        lp->stats.tx_bytes += skb->len;
+        dev->stats.tx_bytes += skb->len;
 
         /* Trigger an immediate send poll. */
         lp->a.write_csr(ioaddr, CSR0, CSR0_INTEN | CSR0_TXPOLL);
@@ -2586,7 +2592,7 @@ pcnet32_interrupt(int irq, void *dev_id)
 
                 /* Log misc errors. */
                 if (csr0 & 0x4000)
-                        lp->stats.tx_errors++;  /* Tx babble. */
+                        dev->stats.tx_errors++; /* Tx babble. */
                 if (csr0 & 0x1000) {
                         /*
                          * This happens when our receive ring is full. This
@@ -2599,7 +2605,7 @@ pcnet32_interrupt(int irq, void *dev_id)
                          * don't get a rx interrupt, but a missed frame
                          * interrupt sooner or later.
                          */
-                        lp->stats.rx_errors++;  /* Missed a Rx frame. */
+                        dev->stats.rx_errors++; /* Missed a Rx frame. */
                 }
                 if (csr0 & 0x0800) {
                         if (netif_msg_drv(lp))
@@ -2661,7 +2667,7 @@ static int pcnet32_close(struct net_device *dev)
 
         spin_lock_irqsave(&lp->lock, flags);
 
-        lp->stats.rx_missed_errors = lp->a.read_csr(ioaddr, 112);
+        dev->stats.rx_missed_errors = lp->a.read_csr(ioaddr, 112);
 
         if (netif_msg_ifdown(lp))
                 printk(KERN_DEBUG
@@ -2698,10 +2704,10 @@ static struct net_device_stats *pcnet32_get_stats(struct net_device *dev)
         unsigned long flags;
 
         spin_lock_irqsave(&lp->lock, flags);
-        lp->stats.rx_missed_errors = lp->a.read_csr(ioaddr, 112);
+        dev->stats.rx_missed_errors = lp->a.read_csr(ioaddr, 112);
         spin_unlock_irqrestore(&lp->lock, flags);
 
-        return &lp->stats;
+        return &dev->stats;
 }
 
 /* taken from the sunlance driver, which it took from the depca driver */
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 70d7e478a3e0..24cfb6275d9b 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1384,13 +1384,9 @@ static int sky2_up(struct net_device *dev)
         sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
                            TX_RING_SIZE - 1);
 
-        napi_enable(&hw->napi);
-
         err = sky2_rx_start(sky2);
-        if (err) {
-                napi_disable(&hw->napi);
+        if (err)
                 goto err_out;
-        }
 
         /* Enable interrupts from phy/mac for port */
         imask = sky2_read32(hw, B0_IMSK);
@@ -1679,13 +1675,13 @@ static int sky2_down(struct net_device *dev)
         /* Stop more packets from being queued */
         netif_stop_queue(dev);
 
-        napi_disable(&hw->napi);
-
         /* Disable port IRQ */
         imask = sky2_read32(hw, B0_IMSK);
         imask &= ~portirq_msk[port];
         sky2_write32(hw, B0_IMSK, imask);
 
+        synchronize_irq(hw->pdev->irq);
+
         sky2_gmac_reset(hw, port);
 
         /* Stop transmitter */
@@ -1699,6 +1695,9 @@ static int sky2_down(struct net_device *dev)
         ctrl &= ~(GM_GPCR_TX_ENA | GM_GPCR_RX_ENA);
         gma_write16(hw, port, GM_GP_CTRL, ctrl);
 
+        /* Make sure no packets are pending */
+        napi_synchronize(&hw->napi);
+
         sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET);
 
         /* Workaround shared GMAC reset */
@@ -1736,8 +1735,6 @@ static int sky2_down(struct net_device *dev)
         /* turn off LED's */
         sky2_write16(hw, B0_Y2LED, LED_STAT_OFF);
 
-        synchronize_irq(hw->pdev->irq);
-
         sky2_tx_clean(dev);
         sky2_rx_clean(sky2);
 
@@ -2048,9 +2045,6 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
         err = sky2_rx_start(sky2);
         sky2_write32(hw, B0_IMSK, imask);
 
-        /* Unconditionally re-enable NAPI because even if we
-         * call dev_close() that will do a napi_disable().
-         */
         napi_enable(&hw->napi);
 
         if (err)
@@ -2915,6 +2909,7 @@ static void sky2_restart(struct work_struct *work)
         rtnl_lock();
         sky2_write32(hw, B0_IMSK, 0);
         sky2_read32(hw, B0_IMSK);
+        napi_disable(&hw->napi);
 
         for (i = 0; i < hw->ports; i++) {
                 dev = hw->dev[i];
@@ -2924,6 +2919,7 @@ static void sky2_restart(struct work_struct *work)
 
         sky2_reset(hw);
         sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
+        napi_enable(&hw->napi);
 
         for (i = 0; i < hw->ports; i++) {
                 dev = hw->dev[i];
@@ -4191,7 +4187,6 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
                 err = -ENOMEM;
                 goto err_out_free_pci;
         }
-        netif_napi_add(dev, &hw->napi, sky2_poll, NAPI_WEIGHT);
 
         if (!disable_msi && pci_enable_msi(pdev) == 0) {
                 err = sky2_test_msi(hw);
@@ -4207,6 +4202,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
                 goto err_out_free_netdev;
         }
 
+        netif_napi_add(dev, &hw->napi, sky2_poll, NAPI_WEIGHT);
+
         err = request_irq(pdev->irq, sky2_intr,
                           (hw->flags & SKY2_HW_USE_MSI) ? 0 : IRQF_SHARED,
                           dev->name, hw);
@@ -4215,6 +4212,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
                 goto err_out_unregister;
         }
         sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
+        napi_enable(&hw->napi);
 
         sky2_show_addr(dev);
 
@@ -4265,23 +4263,18 @@ err_out:
 static void __devexit sky2_remove(struct pci_dev *pdev)
 {
         struct sky2_hw *hw = pci_get_drvdata(pdev);
-        struct net_device *dev0, *dev1;
+        int i;
 
         if (!hw)
                 return;
 
         del_timer_sync(&hw->watchdog_timer);
+        cancel_work_sync(&hw->restart_work);
 
-        flush_scheduled_work();
+        for (i = hw->ports; i >= 0; --i)
+                unregister_netdev(hw->dev[i]);
 
         sky2_write32(hw, B0_IMSK, 0);
-        synchronize_irq(hw->pdev->irq);
-
-        dev0 = hw->dev[0];
-        dev1 = hw->dev[1];
-        if (dev1)
-                unregister_netdev(dev1);
-        unregister_netdev(dev0);
 
         sky2_power_aux(hw);
 
@@ -4296,9 +4289,9 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
         pci_release_regions(pdev);
         pci_disable_device(pdev);
 
-        if (dev1)
-                free_netdev(dev1);
-        free_netdev(dev0);
+        for (i = hw->ports; i >= 0; --i)
+                free_netdev(hw->dev[i]);
+
         iounmap(hw->regs);
         kfree(hw);
 
@@ -4328,6 +4321,7 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
         }
 
         sky2_write32(hw, B0_IMSK, 0);
+        napi_disable(&hw->napi);
         sky2_power_aux(hw);
 
         pci_save_state(pdev);
@@ -4362,8 +4356,8 @@ static int sky2_resume(struct pci_dev *pdev)
                 pci_write_config_dword(pdev, PCI_DEV_REG3, 0);
 
         sky2_reset(hw);
-
         sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
+        napi_enable(&hw->napi);
 
         for (i = 0; i < hw->ports; i++) {
                 struct net_device *dev = hw->dev[i];
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 452c88d971ad..6f85db3535e2 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -407,6 +407,24 @@ static inline void napi_enable(struct napi_struct *n)
         clear_bit(NAPI_STATE_SCHED, &n->state);
 }
 
+#ifdef CONFIG_SMP
+/**
+ *      napi_synchronize - wait until NAPI is not running
+ *      @n: napi context
+ *
+ * Wait until NAPI is done being scheduled on this context.
+ * Waits till any outstanding processing completes but
+ * does not disable future activations.
+ */
+static inline void napi_synchronize(const struct napi_struct *n)
+{
+        while (test_bit(NAPI_STATE_SCHED, &n->state))
+                msleep(1);
+}
+#else
+# define napi_synchronize(n)    barrier()
+#endif
+
 /*
  *      The DEVICE structure.
  *      Actually, this whole structure is a big mistake.  It mixes I/O