[PATCH net-next 09/12] net: hns3: synchronize speed and duplex from phy when phy link up

[Peng Li]

Driver calls phy_connect_direct and registers hclge_mac_adjust_link
to synchronize mac speed and duplex from phy. It is better to
synchronize mac speed and duplex from phy when phy link up.

Signed-off-by: Peng Li <lipeng...@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
index d8ef436..dabb843 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
@@ -179,6 +179,10 @@ static void hclge_mac_adjust_link(struct net_device 
*netdev)
        int duplex, speed;
        int ret;
 
+       /* When phy link down, do nothing */
+       if (netdev->phydev->link == 0)
+               return;
+
        speed = netdev->phydev->speed;
        duplex = netdev->phydev->duplex;
 
-- 
1.9.1