1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 90550f5e3dd9..70591117051b 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -1498,6 +1498,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
                 break;
         }
 
+        /* add small delay to avoid loopback test failure */
+        msleep(50);
+
         /* force 1000, set loopback */
         igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);