ixgbe: Use ring->dev instead of adapter->pdev->dev when updating DCA

This change switches us over to using the ring->dev pointer instead of
having to use the adapter->pdev->dev reference.  The advantage to this is
that it is a much shorter route to get the to final needed value.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -924,12 +924,12 @@ static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter,
 	switch (hw->mac.type) {
 	case ixgbe_mac_82598EB:
 		rxctrl &= ~IXGBE_DCA_RXCTRL_CPUID_MASK;
-		rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
+		rxctrl |= dca3_get_tag(rx_ring->dev, cpu);
 		break;
 	case ixgbe_mac_82599EB:
 	case ixgbe_mac_X540:
 		rxctrl &= ~IXGBE_DCA_RXCTRL_CPUID_MASK_82599;
-		rxctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) <<
+		rxctrl |= (dca3_get_tag(rx_ring->dev, cpu) <<
 			   IXGBE_DCA_RXCTRL_CPUID_SHIFT_82599);
 		break;
 	default:
@@ -953,7 +953,7 @@ static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter,
 	case ixgbe_mac_82598EB:
 		txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(reg_idx));
 		txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK;
-		txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
+		txctrl |= dca3_get_tag(tx_ring->dev, cpu);
 		txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
 		IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(reg_idx), txctrl);
 		break;
@@ -961,7 +961,7 @@ static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter,
 	case ixgbe_mac_X540:
 		txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(reg_idx));
 		txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK_82599;
-		txctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) <<
+		txctrl |= (dca3_get_tag(tx_ring->dev, cpu) <<
 			   IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599);
 		txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
 		IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(reg_idx), txctrl);