---

yaml
---
r: 225013
b: refs/heads/master
c: 664dc87
h: refs/heads/master
i:
  225011: dce5ca3
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ce54afd16d874ac07378a8bb55d26f7f5b613c0e
+refs/heads/master: 664dc878ed6f0476b875547547a49e06f7a4e73b

trunk/drivers/net/e1000e/ich8lan.c

@@ -338,12 +338,17 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 	}
 
 	phy->id = e1000_phy_unknown;
-	ret_val = e1000e_get_phy_id(hw);
-	if (ret_val)
-		goto out;
-	if ((phy->id == 0) || (phy->id == PHY_REVISION_MASK)) {
+	switch (hw->mac.type) {
+	default:
+		ret_val = e1000e_get_phy_id(hw);
+		if (ret_val)
+			goto out;
+		if ((phy->id != 0) && (phy->id != PHY_REVISION_MASK))
+			break;
+		/* fall-through */
+	case e1000_pch2lan:
 		/*
-		 * In case the PHY needs to be in mdio slow mode (eg. 82577),
+		 * In case the PHY needs to be in mdio slow mode,
 		 * set slow mode and try to get the PHY id again.
 		 */
 		ret_val = e1000_set_mdio_slow_mode_hv(hw);
@@ -352,6 +357,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 		ret_val = e1000e_get_phy_id(hw);
 		if (ret_val)
 			goto out;
+		break;
 	}
 	phy->type = e1000e_get_phy_type_from_id(phy->id);
 

trunk/drivers/net/e1000e/phy.c

@@ -226,6 +226,13 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
 	}
 	*data = (u16) mdic;
 
+	/*
+	 * Allow some time after each MDIC transaction to avoid
+	 * reading duplicate data in the next MDIC transaction.
+	 */
+	if (hw->mac.type == e1000_pch2lan)
+		udelay(100);
+
 	return 0;
 }
 
@@ -279,6 +286,13 @@ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
 		return -E1000_ERR_PHY;
 	}
 
+	/*
+	 * Allow some time after each MDIC transaction to avoid
+	 * reading duplicate data in the next MDIC transaction.
+	 */
+	if (hw->mac.type == e1000_pch2lan)
+		udelay(100);
+
 	return 0;
 }