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Date:   Fri, 3 Nov 2017 12:18:30 +0800
From:   Lipeng <lipeng321@...wei.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, <salil.mehta@...wei.com>,
        <lipeng321@...wei.com>
Subject: [PATCH net-next 6/6] net: hns3: fix a bug for phy supported feature initialization

From: Fuyun Liang <liangfuyun1@...wei.com>

This patch fixes a bug for phy supported feature initialization.
Currently, the value of phydev->supported is initialized by kernel.
So it includes many features that we do not support, such as
SUPPORTED_FIBRE and SUPPORTED_BNC. This patch fixes it.

Fixes: 256727d (net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC)
Signed-off-by: Fuyun Liang <liangfuyun1@...wei.com>
Signed-off-by: Lipeng <lipeng321@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
index f32d719..7069e94 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
@@ -14,6 +14,13 @@
 #include "hclge_main.h"
 #include "hclge_mdio.h"
 
+#define HCLGE_PHY_SUPPORTED_FEATURES	(SUPPORTED_Autoneg | \
+					 SUPPORTED_TP | \
+					 SUPPORTED_Pause | \
+					 PHY_10BT_FEATURES | \
+					 PHY_100BT_FEATURES | \
+					 PHY_1000BT_FEATURES)
+
 enum hclge_mdio_c22_op_seq {
 	HCLGE_MDIO_C22_WRITE = 1,
 	HCLGE_MDIO_C22_READ = 2
@@ -195,6 +202,9 @@ int hclge_mac_start_phy(struct hclge_dev *hdev)
 		return ret;
 	}
 
+	phydev->supported &= HCLGE_PHY_SUPPORTED_FEATURES;
+	phydev->advertising = phydev->supported;
+
 	phy_start(phydev);
 
 	return 0;
-- 
1.9.1

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