[PATCH net-next 6/9] net: hns3: Fix to support autoneg only for port attached with phy

From: Salil Mehta
Date: Tue May 01 2018 - 14:59:46 EST


From: Fuyun Liang <liangfuyun1@xxxxxxxxxx>

This patch adds a check to support autoneg(ethtool -A) only when PHY
is attached with the port.

Fixes: e2cb1dec9779 ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility
Layer) Support")
Signed-off-by: Fuyun Liang <liangfuyun1@xxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
Signed-off-by: Salil Mehta <salil.mehta@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index cc09713..a4e9991 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -5169,12 +5169,6 @@ static int hclge_set_pauseparam(struct hnae3_handle *handle, u32 auto_neg,
struct phy_device *phydev = hdev->hw.mac.phydev;
u32 fc_autoneg;

- /* Only support flow control negotiation for netdev with
- * phy attached for now.
- */
- if (!phydev)
- return -EOPNOTSUPP;
-
fc_autoneg = hclge_get_autoneg(handle);
if (auto_neg != fc_autoneg) {
dev_info(&hdev->pdev->dev,
@@ -5193,6 +5187,12 @@ static int hclge_set_pauseparam(struct hnae3_handle *handle, u32 auto_neg,
if (!fc_autoneg)
return hclge_cfg_pauseparam(hdev, rx_en, tx_en);

+ /* Only support flow control negotiation for netdev with
+ * phy attached for now.
+ */
+ if (!phydev)
+ return -EOPNOTSUPP;
+
return phy_start_aneg(phydev);
}

--
2.7.4