diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index aaadb2b..fd30161 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -512,25 +512,48 @@
 
 static void e1000_power_down_phy(struct e1000_adapter *adapter)
 {
-	boolean_t mng_mode_enabled = (adapter->hw.mac_type >= e1000_82571) &&
-	                              e1000_check_mng_mode(&adapter->hw);
-	/* Power down the PHY so no link is implied when interface is down
-	 * The PHY cannot be powered down if any of the following is TRUE
+	/* Power down the PHY so no link is implied when interface is down *
+	 * The PHY cannot be powered down if any of the following is TRUE *
 	 * (a) WoL is enabled
 	 * (b) AMT is active
 	 * (c) SoL/IDER session is active */
 	if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 &&
-	    adapter->hw.mac_type != e1000_ich8lan &&
-	    adapter->hw.media_type == e1000_media_type_copper &&
-	    !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN) &&
-	    !mng_mode_enabled &&
-	    !e1000_check_phy_reset_block(&adapter->hw)) {
+	   adapter->hw.media_type == e1000_media_type_copper) {
 		uint16_t mii_reg = 0;
+
+		switch (adapter->hw.mac_type) {
+		case e1000_82540:
+		case e1000_82545:
+		case e1000_82545_rev_3:
+		case e1000_82546:
+		case e1000_82546_rev_3:
+		case e1000_82541:
+		case e1000_82541_rev_2:
+		case e1000_82547:
+		case e1000_82547_rev_2:
+			if (E1000_READ_REG(&adapter->hw, MANC) &
+			    E1000_MANC_SMBUS_EN)
+				goto out;
+			break;
+		case e1000_82571:
+		case e1000_82572:
+		case e1000_82573:
+		case e1000_80003es2lan:
+		case e1000_ich8lan:
+			if (e1000_check_mng_mode(&adapter->hw) ||
+			    e1000_check_phy_reset_block(&adapter->hw))
+				goto out;
+			break;
+		default:
+			goto out;
+		}
 		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
 		mii_reg |= MII_CR_POWER_DOWN;
 		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
 		mdelay(1);
 	}
+out:
+	return;
 }
 
 void