diff options
| author | Daode Huang <huangdaode@hisilicon.com> | 2016-11-09 18:13:49 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-10 11:45:37 -0500 |
| commit | da2ef1e5585bc733c4cccee8390259abeb27f0bf (patch) | |
| tree | 15ad8a8e45fbfeb607efd9f2432ded3cc7f9f68e /drivers/net/ethernet/hisilicon | |
| parent | 2e7c80577e40f0968840455d7cff613c2ded316b (diff) | |
| download | linux-da2ef1e5585bc733c4cccee8390259abeb27f0bf.tar.gz | |
net: hns: bug fix about restart auto-negotiation
When set auto-negotiation off and duplex half, if run "ethtool -r ethX" on port with phy, then the port will be failed to work. It should forbid to start auto-negotiation when auto-negotiate is off. This patch add the limited condition. Reported-by: Jinchuang Tian <tianjinchuang1@huawei.com> Signed-off-by: Daode Huang <huangdaode@hisilicon.com> Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com> Reviewed-by: lipeng <lipeng321@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 87d5c94b2810..3ac2183dbd21 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -1178,7 +1178,8 @@ static int hns_nic_nway_reset(struct net_device *netdev) struct phy_device *phy = netdev->phydev; if (netif_running(netdev)) { - if (phy) + /* if autoneg is disabled, don't restart auto-negotiation */ + if (phy && phy->autoneg == AUTONEG_ENABLE) ret = genphy_restart_aneg(phy); } |