e1000: fix loopback ethtool test

Ethtool was reporting that loopback failed randomly on esb2
systems. Upon study it was found that the phy manual was changed
with respect to the loopback mode bits. The new value fixes it.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>

diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 6ed7f599eba3dd656ce3e3d1bb4776d21c4af93a..845d293b2f6adce9fe03ca7c59105fef735a4c60 100644 (file)
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -1246,7 +1246,7 @@ e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
        } else if (adapter->hw.phy_type == e1000_phy_gg82563) {
                e1000_write_phy_reg(&adapter->hw,
                                    GG82563_PHY_KMRN_MODE_CTRL,
-                                   0x1CE);
+                                   0x1CC);
        }
        /* force 1000, set loopback */
        e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);