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authorStefan Agner <stefan.agner@toradex.com>2019-04-25 18:17:44 +0200
committerStefan Agner <stefan.agner@toradex.com>2019-04-25 18:17:44 +0200
commit9d9ea7dde2646ba8e36037e2679f2d98080df36b (patch)
treefdcbb9a89f3b97e14242524449bf98faba4d4e34 /drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
parent6b8816d9e21df6b1d543c49428eba01b00e4ea1c (diff)
parentc0ad257a19f48c56f2ee2e623a78251aa8664279 (diff)
Merge tag 'v4.20.17' into toradex_4.20.y
This is the 4.20.17 stable release
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_ethtool.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_ethtool.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index 774beda040a1..e2710ff48fb0 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -1157,16 +1157,18 @@ static int hns_get_regs_len(struct net_device *net_dev)
*/
static int hns_nic_nway_reset(struct net_device *netdev)
{
- int ret = 0;
struct phy_device *phy = netdev->phydev;
- if (netif_running(netdev)) {
- /* if autoneg is disabled, don't restart auto-negotiation */
- if (phy && phy->autoneg == AUTONEG_ENABLE)
- ret = genphy_restart_aneg(phy);
- }
+ if (!netif_running(netdev))
+ return 0;
- return ret;
+ if (!phy)
+ return -EOPNOTSUPP;
+
+ if (phy->autoneg != AUTONEG_ENABLE)
+ return -EINVAL;
+
+ return genphy_restart_aneg(phy);
}
static u32