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path: root/drivers/net/e1000e/ethtool.c
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Diffstat (limited to 'drivers/net/e1000e/ethtool.c')
-rw-r--r--drivers/net/e1000e/ethtool.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 67e06fd9fc4..fd7921482d2 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1260,6 +1260,10 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
hw->mac.autoneg = 0;
+ /* Workaround: K1 must be disabled for stable 1Gbps operation */
+ if (hw->mac.type == e1000_pchlan)
+ e1000_configure_k1_ich8lan(hw, false);
+
if (hw->phy.type == e1000_phy_m88) {
/* Auto-MDI/MDIX Off */
e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);