1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 003ab53cf613..d726da8c5930 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1363,8 +1363,11 @@ static void tg3_adjust_link(struct net_device *dev)
 
                 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
                         mac_mode |= MAC_MODE_PORT_MODE_MII;
-                else
+                else if (phydev->speed == SPEED_1000 ||
+                         GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
+                else
+                        mac_mode |= MAC_MODE_PORT_MODE_MII;
 
                 if (phydev->duplex == DUPLEX_HALF)
                         mac_mode |= MAC_MODE_HALF_DUPLEX;