Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

[mv-sheeva.git] / drivers / net / e1000e / netdev.c

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 6aa795a6160b0e857f9cb0ecd5dd367a3f3ab9f4..36d31a41632050f7e75d8f79a4ad16e79a02e59c 100644 (file)
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -1785,25 +1785,25 @@ void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
 void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
 {
        int err;
-       int numvecs, i;
-
+       int i;
 
        switch (adapter->int_mode) {
        case E1000E_INT_MODE_MSIX:
                if (adapter->flags & FLAG_HAS_MSIX) {
-                       numvecs = 3; /* RxQ0, TxQ0 and other */
-                       adapter->msix_entries = kcalloc(numvecs,
+                       adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
+                       adapter->msix_entries = kcalloc(adapter->num_vectors,
                                                      sizeof(struct msix_entry),
                                                      GFP_KERNEL);
                        if (adapter->msix_entries) {
-                               for (i = 0; i < numvecs; i++)
+                               for (i = 0; i < adapter->num_vectors; i++)
                                        adapter->msix_entries[i].entry = i;
 
                                err = pci_enable_msix(adapter->pdev,
                                                      adapter->msix_entries,
-                                                     numvecs);
-                               if (err == 0)
+                                                     adapter->num_vectors);
+                               if (err == 0) {
                                        return;
+                               }
                        }
                        /* MSI-X failed, so fall through and try MSI */
                        e_err("Failed to initialize MSI-X interrupts.  "
@@ -1825,6 +1825,9 @@ void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
                /* Don't do anything; this is the system default */
                break;
        }
+
+       /* store the number of vectors being used */
+       adapter->num_vectors = 1;
 }
 
 /**
@@ -1946,7 +1949,14 @@ static void e1000_irq_disable(struct e1000_adapter *adapter)
        if (adapter->msix_entries)
                ew32(EIAC_82574, 0);
        e1e_flush();
-       synchronize_irq(adapter->pdev->irq);
+
+       if (adapter->msix_entries) {
+               int i;
+               for (i = 0; i < adapter->num_vectors; i++)
+                       synchronize_irq(adapter->msix_entries[i].vector);
+       } else {
+               synchronize_irq(adapter->pdev->irq);
+       }
 }
 
 /**
@@ -2918,10 +2928,10 @@ static void e1000_configure_rx(struct e1000_adapter *adapter)
                         * dropped transactions.
                         */
                        pm_qos_update_request(
-                               adapter->netdev->pm_qos_req, 55);
+                               &adapter->netdev->pm_qos_req, 55);
                } else {
                        pm_qos_update_request(
-                               adapter->netdev->pm_qos_req,
+                               &adapter->netdev->pm_qos_req,
                                PM_QOS_DEFAULT_VALUE);
                }
        }
@@ -3218,12 +3228,6 @@ int e1000e_up(struct e1000_adapter *adapter)
 {
        struct e1000_hw *hw = &adapter->hw;
 
-       /* DMA latency requirement to workaround early-receive/jumbo issue */
-       if (adapter->flags & FLAG_HAS_ERT)
-               adapter->netdev->pm_qos_req =
-                       pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY,
-                                      PM_QOS_DEFAULT_VALUE);
-
        /* hardware has been reset, we need to reload some things */
        e1000_configure(adapter);
 
@@ -3287,12 +3291,6 @@ void e1000e_down(struct e1000_adapter *adapter)
        e1000_clean_tx_ring(adapter);
        e1000_clean_rx_ring(adapter);
 
-       if (adapter->flags & FLAG_HAS_ERT) {
-               pm_qos_remove_request(
-                             adapter->netdev->pm_qos_req);
-               adapter->netdev->pm_qos_req = NULL;
-       }
-
        /*
         * TODO: for power management, we could drop the link and
         * pci_disable_device here.
@@ -3527,6 +3525,12 @@ static int e1000_open(struct net_device *netdev)
             E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
                e1000_update_mng_vlan(adapter);
 
+       /* DMA latency requirement to workaround early-receive/jumbo issue */
+       if (adapter->flags & FLAG_HAS_ERT)
+               pm_qos_add_request(&adapter->netdev->pm_qos_req,
+                                  PM_QOS_CPU_DMA_LATENCY,
+                                  PM_QOS_DEFAULT_VALUE);
+
        /*
         * before we allocate an interrupt, we must be ready to handle it.
         * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
@@ -3631,6 +3635,9 @@ static int e1000_close(struct net_device *netdev)
        if (adapter->flags & FLAG_HAS_AMT)
                e1000_release_hw_control(adapter);
 
+       if (adapter->flags & FLAG_HAS_ERT)
+               pm_qos_remove_request(&adapter->netdev->pm_qos_req);
+
        pm_runtime_put_sync(&pdev->dev);
 
        return 0;
@@ -5650,8 +5657,6 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
        if (err)
                goto err_sw_init;
 
-       err = -EIO;
-
        memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
        memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
        memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));