diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/e1000e/ethtool.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c index 5c6bc6ac069c..c10dc694d733 100644 --- a/drivers/net/e1000e/ethtool.c +++ b/drivers/net/e1000e/ethtool.c @@ -1249,6 +1249,7 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) u32 ctrl_reg = 0; u32 stat_reg = 0; u16 phy_reg = 0; + s32 ret_val = 0; hw->mac.autoneg = 0; @@ -1308,7 +1309,13 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) case e1000_phy_82577: case e1000_phy_82578: /* Workaround: K1 must be disabled for stable 1Gbps operation */ + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) { + e_err("Cannot setup 1Gbps loopback.\n"); + return ret_val; + } e1000_configure_k1_ich8lan(hw, false); + hw->phy.ops.release(hw); break; case e1000_phy_82579: /* Disable PHY energy detect power down */ |