diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 5e27e0e87a55..63105a5f46a7 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -1029,6 +1029,12 @@ static int macb_mii_probe(struct net_device *dev)
 	if (bp->phy_interface == PHY_INTERFACE_MODE_SGMII) {
 		bp->phylink_config.poll_fixed_state = true;
 		bp->phylink_config.get_fixed_state = macb_get_pcs_fixed_state;
+		/* The PCSAUTONEG bit in PCSCNTRL is on out of reset. Setting
+		 * default_an_inband to true tells phylink to turn it off only
+		 * if necessary (e.g. a fixed link or a PHY that doesn't support
+		 * inband).
+		 */
+		bp->phylink_config.default_an_inband = true;
 	}
 
 	bp->phylink_config.mac_capabilities = MAC_ASYM_PAUSE |