diff options
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-sgmii-eth.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c b/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c index 6332ff291fdf..f48faa2929a6 100644 --- a/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c +++ b/drivers/phy/qualcomm/phy-qcom-sgmii-eth.c @@ -271,8 +271,17 @@ static int qcom_dwmac_sgmii_phy_calibrate(struct phy *phy) static int qcom_dwmac_sgmii_phy_power_on(struct phy *phy) { struct qcom_dwmac_sgmii_phy_data *data = phy_get_drvdata(phy); + int ret; + + ret = clk_prepare_enable(data->refclk); + if (ret < 0) + return ret; - return clk_prepare_enable(data->refclk); + ret = qcom_dwmac_sgmii_phy_calibrate(phy); + if (ret < 0) + clk_disable_unprepare(data->refclk); + + return ret; } static int qcom_dwmac_sgmii_phy_power_off(struct phy *phy) @@ -318,6 +327,9 @@ static int qcom_dwmac_sgmii_phy_set_mode(struct phy *phy, enum phy_mode mode, if (submode != data->interface) data->interface = submode; + if (phy->power_count == 0) + return 0; + return qcom_dwmac_sgmii_phy_calibrate(phy); } |