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path: root/drivers/net/ixgbe/ixgbe_main.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c24
1 files changed, 4 insertions, 20 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 3d5f7f575ae3..e52798c4816b 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -411,6 +411,9 @@ static void ixgbe_setup_dca(struct ixgbe_adapter *adapter)
411 if (!(adapter->flags & IXGBE_FLAG_DCA_ENABLED)) 411 if (!(adapter->flags & IXGBE_FLAG_DCA_ENABLED))
412 return; 412 return;
413 413
414 /* always use CB2 mode, difference is masked in the CB driver */
415 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_CTRL, 2);
416
414 for (i = 0; i < adapter->num_tx_queues; i++) { 417 for (i = 0; i < adapter->num_tx_queues; i++) {
415 adapter->tx_ring[i].cpu = -1; 418 adapter->tx_ring[i].cpu = -1;
416 ixgbe_update_tx_dca(adapter, &adapter->tx_ring[i]); 419 ixgbe_update_tx_dca(adapter, &adapter->tx_ring[i]);
@@ -432,9 +435,6 @@ static int __ixgbe_notify_dca(struct device *dev, void *data)
432 /* if we're already enabled, don't do it again */ 435 /* if we're already enabled, don't do it again */
433 if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) 436 if (adapter->flags & IXGBE_FLAG_DCA_ENABLED)
434 break; 437 break;
435 /* Always use CB2 mode, difference is masked
436 * in the CB driver. */
437 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_CTRL, 2);
438 if (dca_add_requester(dev) == 0) { 438 if (dca_add_requester(dev) == 0) {
439 adapter->flags |= IXGBE_FLAG_DCA_ENABLED; 439 adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
440 ixgbe_setup_dca(adapter); 440 ixgbe_setup_dca(adapter);
@@ -2767,13 +2767,6 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
2767 2767
2768 netif_carrier_off(netdev); 2768 netif_carrier_off(netdev);
2769 2769
2770#ifdef CONFIG_IXGBE_DCA
2771 if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {
2772 adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED;
2773 dca_remove_requester(&adapter->pdev->dev);
2774 }
2775
2776#endif
2777 if (!pci_channel_offline(adapter->pdev)) 2770 if (!pci_channel_offline(adapter->pdev))
2778 ixgbe_reset(adapter); 2771 ixgbe_reset(adapter);
2779 ixgbe_clean_all_tx_rings(adapter); 2772 ixgbe_clean_all_tx_rings(adapter);
@@ -2781,13 +2774,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
2781 2774
2782#ifdef CONFIG_IXGBE_DCA 2775#ifdef CONFIG_IXGBE_DCA
2783 /* since we reset the hardware DCA settings were cleared */ 2776 /* since we reset the hardware DCA settings were cleared */
2784 if (dca_add_requester(&adapter->pdev->dev) == 0) { 2777 ixgbe_setup_dca(adapter);
2785 adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
2786 /* always use CB2 mode, difference is masked
2787 * in the CB driver */
2788 IXGBE_WRITE_REG(hw, IXGBE_DCA_CTRL, 2);
2789 ixgbe_setup_dca(adapter);
2790 }
2791#endif 2778#endif
2792} 2779}
2793 2780
@@ -5354,9 +5341,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
5354#ifdef CONFIG_IXGBE_DCA 5341#ifdef CONFIG_IXGBE_DCA
5355 if (dca_add_requester(&pdev->dev) == 0) { 5342 if (dca_add_requester(&pdev->dev) == 0) {
5356 adapter->flags |= IXGBE_FLAG_DCA_ENABLED; 5343 adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
5357 /* always use CB2 mode, difference is masked
5358 * in the CB driver */
5359 IXGBE_WRITE_REG(hw, IXGBE_DCA_CTRL, 2);
5360 ixgbe_setup_dca(adapter); 5344 ixgbe_setup_dca(adapter);
5361 } 5345 }
5362#endif 5346#endif