diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index ed5abf80b..c0bcdd108 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -148,11 +148,15 @@ static struct phy_driver ksphy_driver[] = {
 	.config_aneg	= genphy_config_aneg,
 	.read_status	= genphy_read_status,
 }, {
+	/*
+	 * Due to a hw bug do not enable the Asym_Pause.
+	 * Otherwise if you set the bit 11 in 4h you will have to unplug
+	 * and replug the cable to make the phy work.
+	 */
 	.phy_id		= PHY_ID_KSZ9021,
 	.phy_id_mask	= 0x000ffffe,
 	.drv.name	= "Micrel KSZ9021 Gigabit PHY",
-	.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause
-				| SUPPORTED_Asym_Pause),
+	.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause),
 	.config_init	= kszphy_config_init,
 	.config_aneg	= genphy_config_aneg,
 	.read_status	= genphy_read_status,