diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c index e89820702540..08e88d9422cd 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c @@ -268,3 +268,42 @@ void hclge_mac_stop_phy(struct hclge_dev *hdev) phy_stop(phydev); } + +u16 hclge_read_phy_reg(struct hclge_dev *hdev, u16 reg_addr) +{ + struct hclge_phy_reg_cmd *req; + struct hclge_desc desc; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PHY_REG, true); + + req = (struct hclge_phy_reg_cmd *)desc.data; + req->reg_addr = cpu_to_le16(reg_addr); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) + dev_err(&hdev->pdev->dev, + "failed to read phy reg, ret = %d.\n", ret); + + return le16_to_cpu(req->reg_val); +} + +int hclge_write_phy_reg(struct hclge_dev *hdev, u16 reg_addr, u16 val) +{ + struct hclge_phy_reg_cmd *req; + struct hclge_desc desc; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PHY_REG, false); + + req = (struct hclge_phy_reg_cmd *)desc.data; + req->reg_addr = cpu_to_le16(reg_addr); + req->reg_val = cpu_to_le16(val); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) + dev_err(&hdev->pdev->dev, + "failed to write phy reg, ret = %d.\n", ret); + + return ret; +} |