From: Fuyun Liang <liangfuyun1@huawei.com>
Date: Tue, 1 May 2018 19:56:02 +0100
Subject: net: hns3: Fix to support autoneg only for port attached with phy
Patch-mainline: v4.18-rc1
Git-commit: 0c963e8c20ce368ddedc22cbfa710315d715dfae
References: bsc#1104353 FATE#326415

This patch adds a check to support autoneg(ethtool -A) only when PHY
is attached with the port.

Fixes: e2cb1dec9779 ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility
Layer) Support")
Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -5169,12 +5169,6 @@ static int hclge_set_pauseparam(struct h
 	struct phy_device *phydev = hdev->hw.mac.phydev;
 	u32 fc_autoneg;
 
-	/* Only support flow control negotiation for netdev with
-	 * phy attached for now.
-	 */
-	if (!phydev)
-		return -EOPNOTSUPP;
-
 	fc_autoneg = hclge_get_autoneg(handle);
 	if (auto_neg != fc_autoneg) {
 		dev_info(&hdev->pdev->dev,
@@ -5193,6 +5187,12 @@ static int hclge_set_pauseparam(struct h
 	if (!fc_autoneg)
 		return hclge_cfg_pauseparam(hdev, rx_en, tx_en);
 
+	/* Only support flow control negotiation for netdev with
+	 * phy attached for now.
+	 */
+	if (!phydev)
+		return -EOPNOTSUPP;
+
 	return phy_start_aneg(phydev);
 }