ixgbe: explicitly disable 100H for x540

100H is not supported on this HW, but the bit is set on the PHY.
This can result in link at 100F when advertising only 1000F.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index fd381ea17e99..edcaaebd72b2 100644
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -657,7 +657,8 @@ s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw)
                                      MDIO_MMD_AN,
                                      &autoneg_reg);
 
-                autoneg_reg &= ~ADVERTISE_100FULL;
+                autoneg_reg &= ~(ADVERTISE_100FULL |
+                                 ADVERTISE_100HALF);
                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
                         autoneg_reg |= ADVERTISE_100FULL;