e1000e: enable ECC correction on 82571 silicon

This change enables ECC correction for the packet buffer on all 82571
silicon.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index b2c910c52df9..3027ad53fa65 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -973,6 +973,12 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
                 ew32(CTRL_EXT, reg);
         }
 
+        if (hw->mac.type == e1000_82571) {
+                reg = er32(PBA_ECC);
+                reg |= E1000_PBA_ECC_CORR_EN;
+                ew32(PBA_ECC, reg);
+        }
+
         /* PCI-Ex Control Register */
         if (hw->mac.type == e1000_82574) {
                 reg = er32(GCR);