From: Yufeng Mo <moyufeng@huawei.com>
Date: Fri, 30 Apr 2021 09:06:22 +0000 (+0800)
Subject: net: hns3: disable phy loopback setting in hclge_mac_start_phy
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=472497d0bdae890a896013332a0b673f9acdf2bf;p=uclinux-h8%2Flinux.git

net: hns3: disable phy loopback setting in hclge_mac_start_phy

If selftest and reset are performed at the same time, the phy
loopback setting may be still in enable state after the reset,
and device cannot link up. So fix this issue by disabling phy
loopback before phy_start().

Fixes: 256727da7395 ("net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
index 08e88d9422cd..1231c34f0949 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
@@ -255,6 +255,8 @@ void hclge_mac_start_phy(struct hclge_dev *hdev)
 	if (!phydev)
 		return;
 
+	phy_loopback(phydev, false);
+
 	phy_start(phydev);
 }