36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From 4f28c6b52ffb62eb5a0a5a85af4fa10658fecee5 Mon Sep 17 00:00:00 2001
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From: Peng Li <lipeng321@huawei.com>
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Date: Tue, 18 Dec 2018 19:37:56 +0800
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Subject: [PATCH 19/31] net: hns3: synchronize speed and duplex from phy when
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phy link up
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Origin: https://git.kernel.org/linus/0ad5ea5dbd6cb1e62bac547db5e61bab15af4f44
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Driver calls phy_connect_direct and registers hclge_mac_adjust_link
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to synchronize mac speed and duplex from phy. It is better to
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synchronize mac speed and duplex from phy when phy link up.
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Signed-off-by: Peng Li <lipeng321@huawei.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
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index a75b70ce41f8..bdbec85265f4 100644
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--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
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+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
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@@ -181,6 +181,10 @@ static void hclge_mac_adjust_link(struct net_device *netdev)
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int duplex, speed;
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int ret;
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+ /* When phy link down, do nothing */
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+ if (netdev->phydev->link == 0)
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+ return;
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+
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speed = netdev->phydev->speed;
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duplex = netdev->phydev->duplex;
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--
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2.20.1
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