From 6ea7ae1d0fc02a6c4ccd27e43346f67c44226e7a Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Fri, 14 Nov 2008 06:54:36 +0000
Subject: 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>
---
 drivers/net/e1000e/82571.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'drivers/net/e1000e/82571.c')

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);
-- 
cgit