diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_ethtool.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_ethtool.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index 6cf1c71ed7f1..bd7524e4a00c 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -1595,6 +1595,13 @@ static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; u32 reg_data; + /* X540 needs to set the MACC.FLU bit to force link up */ + if (adapter->hw.mac.type == ixgbe_mac_X540) { + reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MACC); + reg_data |= IXGBE_MACC_FLU; + IXGBE_WRITE_REG(&adapter->hw, IXGBE_MACC, reg_data); + } + /* right now we only support MAC loopback in the driver */ reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0); /* Setup MAC loopback */ |