diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c index f79dcca08806..0ca403fff0c0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c @@ -178,10 +178,12 @@ static int imx_dwmac_init(struct platform_device *pdev, void *priv) goto intf_mode_failed; } - ret = regulator_enable(dwmac->regulator); - if (ret) { - dev_err(dwmac->dev, "fail to enable phy-supply\n"); - goto intf_mode_failed; + if (dwmac->regulator) { + ret = regulator_enable(dwmac->regulator); + if (ret) { + dev_err(dwmac->dev, "fail to enable phy-supply\n"); + goto intf_mode_failed; + } } return 0; @@ -214,9 +216,11 @@ static void imx_dwmac_exit(struct platform_device *pdev, void *priv) clk_disable_unprepare(dwmac->clk_tx); clk_disable_unprepare(dwmac->clk_mem); - ret = regulator_disable(dwmac->regulator); - if (ret) - dev_err(dwmac->dev, "fail to disable phy-supply\n"); + if (dwmac->regulator) { + ret = regulator_disable(dwmac->regulator); + if (ret) + dev_err(dwmac->dev, "fail to disable phy-supply\n"); + } pm_runtime_put(&pdev->dev); } @@ -293,6 +297,7 @@ imx_dwmac_parse_dt(struct imx_priv_data *dwmac, struct device *dev) } } + /* Optional regulator for PHY */ dwmac->regulator = devm_regulator_get_optional(dev, "phy"); if (IS_ERR(dwmac->regulator)) { if (PTR_ERR(dwmac->regulator) == -EPROBE_DEFER) { |