On Thu, Jul 11, 2013 at 08:37:19AM +0200, Sascha Hauer wrote:
> >
> > - /* we only support host now, so enable vbus here */
> > - data->reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
> > - if (!IS_ERR(data->reg_vbus)) {
> > - ret = regulator_enable(data->reg_vbus);
> > - if (ret) {
> > - dev_err(&pdev->dev,
> > - "Failed to enable vbus regulator, err=%d\n",
> > - ret);
> > - goto err_clk;
> > - }
> > - } else {
> > - data->reg_vbus = NULL;
> > - }
> > -
> > pdata.phy = data->phy;
> >
> > + /* Get the vbus regulator */
> > + pdata.reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
> > + if (IS_ERR(pdata.reg_vbus))
> > + pdata.reg_vbus = NULL;
>
> I think you should bail out at least in the -EPROBE_DEFER case.
>
Oh, correct. I will add another patch behind this for fix.
In fact, I met this problem at FSL mx6-auto board which uses
gpio-expendor chip max7310 as regulator-gpio for enable vbus
output.
--
Best Regards,
Peter Chen
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