diff options
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 637ae8f6879..49be393e1c1 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -158,9 +158,7 @@ static struct net_device_stats * e1000_get_stats(struct net_device *netdev); static int e1000_change_mtu(struct net_device *netdev, int new_mtu); static int e1000_set_mac(struct net_device *netdev, void *p); static irqreturn_t e1000_intr(int irq, void *data); -#ifdef CONFIG_PCI_MSI static irqreturn_t e1000_intr_msi(int irq, void *data); -#endif static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring); #ifdef CONFIG_E1000_NAPI @@ -300,31 +298,26 @@ module_exit(e1000_exit_module); static int e1000_request_irq(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; - int flags, err = 0; + void (*handler) = &e1000_intr; + int irq_flags = IRQF_SHARED; + int err; - flags = IRQF_SHARED; -#ifdef CONFIG_PCI_MSI if (adapter->hw.mac_type >= e1000_82571) { - adapter->have_msi = TRUE; - if ((err = pci_enable_msi(adapter->pdev))) { - DPRINTK(PROBE, ERR, - "Unable to allocate MSI interrupt Error: %d\n", err); - adapter->have_msi = FALSE; + adapter->have_msi = !pci_enable_msi(adapter->pdev); + if (adapter->have_msi) { + handler = &e1000_intr_msi; + irq_flags = 0; } } - if (adapter->have_msi) { - flags &= ~IRQF_SHARED; - err = request_irq(adapter->pdev->irq, &e1000_intr_msi, flags, - netdev->name, netdev); - if (err) - DPRINTK(PROBE, ERR, - "Unable to allocate interrupt Error: %d\n", err); - } else -#endif - if ((err = request_irq(adapter->pdev->irq, &e1000_intr, flags, - netdev->name, netdev))) + + err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name, + netdev); + if (err) { + if (adapter->have_msi) + pci_disable_msi(adapter->pdev); DPRINTK(PROBE, ERR, "Unable to allocate interrupt Error: %d\n", err); + } return err; } @@ -335,10 +328,8 @@ static void e1000_free_irq(struct e1000_adapter *adapter) free_irq(adapter->pdev->irq, netdev); -#ifdef CONFIG_PCI_MSI if (adapter->have_msi) pci_disable_msi(adapter->pdev); -#endif } /** @@ -3744,7 +3735,6 @@ e1000_update_stats(struct e1000_adapter *adapter) spin_unlock_irqrestore(&adapter->stats_lock, flags); } -#ifdef CONFIG_PCI_MSI /** * e1000_intr_msi - Interrupt Handler @@ -3810,7 +3800,6 @@ e1000_intr_msi(int irq, void *data) return IRQ_HANDLED; } -#endif /** * e1000_intr - Interrupt Handler |