Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

[pandora-kernel.git] / drivers / net / ethernet / realtek / r8169.c

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 92b45f0..67bf078 100644 (file)
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1183,11 +1183,13 @@ static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
        return value;
 }
 
-static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
+static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
 {
-       RTL_W16(IntrMask, 0x0000);
+       void __iomem *ioaddr = tp->mmio_addr;
 
-       RTL_W16(IntrStatus, 0xffff);
+       RTL_W16(IntrMask, 0x0000);
+       RTL_W16(IntrStatus, tp->intr_event);
+       RTL_R8(ChipCmd);
 }
 
 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
@@ -1292,7 +1294,7 @@ static void __rtl8169_check_link_status(struct net_device *dev,
                netif_carrier_off(dev);
                netif_info(tp, ifdown, dev, "link down\n");
                if (pm)
-                       pm_schedule_suspend(&tp->pci_dev->dev, 100);
+                       pm_schedule_suspend(&tp->pci_dev->dev, 5000);
        }
        spin_unlock_irqrestore(&tp->lock, flags);
 }
@@ -3933,8 +3935,6 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
                        break;
                udelay(100);
        }
-
-       rtl8169_init_ring_indexes(tp);
 }
 
 static int __devinit
@@ -4339,7 +4339,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp)
        void __iomem *ioaddr = tp->mmio_addr;
 
        /* Disable interrupts */
-       rtl8169_irq_mask_and_ack(ioaddr);
+       rtl8169_irq_mask_and_ack(tp);
 
        rtl_rx_close(tp);
 
@@ -4885,8 +4885,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
        RTL_W16(IntrMitigate, 0x5151);
 
        /* Work around for RxFIFO overflow. */
-       if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
-           tp->mac_version == RTL_GIGA_MAC_VER_22) {
+       if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
                tp->intr_event |= RxFIFOOver | PCSTimeout;
                tp->intr_event &= ~RxOverflow;
        }
@@ -5076,6 +5075,11 @@ static void rtl_hw_start_8101(struct net_device *dev)
        void __iomem *ioaddr = tp->mmio_addr;
        struct pci_dev *pdev = tp->pci_dev;
 
+       if (tp->mac_version >= RTL_GIGA_MAC_VER_30) {
+               tp->intr_event &= ~RxFIFOOver;
+               tp->napi_event &= ~RxFIFOOver;
+       }
+
        if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
            tp->mac_version == RTL_GIGA_MAC_VER_16) {
                int cap = pci_pcie_cap(pdev);
@@ -5342,7 +5346,7 @@ static void rtl8169_wait_for_quiescence(struct net_device *dev)
        /* Wait for any pending NAPI task to complete */
        napi_disable(&tp->napi);
 
-       rtl8169_irq_mask_and_ack(ioaddr);
+       rtl8169_irq_mask_and_ack(tp);
 
        tp->intr_mask = 0xffff;
        RTL_W16(IntrMask, tp->intr_event);
@@ -5389,14 +5393,16 @@ static void rtl8169_reset_task(struct work_struct *work)
        if (!netif_running(dev))
                goto out_unlock;
 
+       rtl8169_hw_reset(tp);
+
        rtl8169_wait_for_quiescence(dev);
 
        for (i = 0; i < NUM_RX_DESC; i++)
                rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
 
        rtl8169_tx_clear(tp);
+       rtl8169_init_ring_indexes(tp);
 
-       rtl8169_hw_reset(tp);
        rtl_hw_start(dev);
        netif_wake_queue(dev);
        rtl8169_check_link_status(dev, tp, tp->mmio_addr);
@@ -5407,11 +5413,6 @@ out_unlock:
 
 static void rtl8169_tx_timeout(struct net_device *dev)
 {
-       struct rtl8169_private *tp = netdev_priv(dev);
-
-       rtl8169_hw_reset(tp);
-
-       /* Let's wait a bit while any (async) irq lands on */
        rtl8169_schedule_work(dev, rtl8169_reset_task);
 }
 
@@ -5804,6 +5805,10 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
         */
        status = RTL_R16(IntrStatus);
        while (status && status != 0xffff) {
+               status &= tp->intr_event;
+               if (!status)
+                       break;
+
                handled = 1;
 
                /* Handle all of the error cases first. These will reset
@@ -5818,27 +5823,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
                        switch (tp->mac_version) {
                        /* Work around for rx fifo overflow */
                        case RTL_GIGA_MAC_VER_11:
-                       case RTL_GIGA_MAC_VER_22:
-                       case RTL_GIGA_MAC_VER_26:
                                netif_stop_queue(dev);
                                rtl8169_tx_timeout(dev);
                                goto done;
-                       /* Testers needed. */
-                       case RTL_GIGA_MAC_VER_17:
-                       case RTL_GIGA_MAC_VER_19:
-                       case RTL_GIGA_MAC_VER_20:
-                       case RTL_GIGA_MAC_VER_21:
-                       case RTL_GIGA_MAC_VER_23:
-                       case RTL_GIGA_MAC_VER_24:
-                       case RTL_GIGA_MAC_VER_27:
-                       case RTL_GIGA_MAC_VER_28:
-                       case RTL_GIGA_MAC_VER_31:
-                       /* Experimental science. Pktgen proof. */
-                       case RTL_GIGA_MAC_VER_12:
-                       case RTL_GIGA_MAC_VER_25:
-                               if (status == RxFIFOOver)
-                                       goto done;
-                               break;
                        default:
                                break;
                        }