Peter, Thank you for this series, I was out so I will test it early next week and report. Cheers, Andre' On Fri, 2019-10-11 at 05:42 +0000, Peter Chen wrote: > Not every platform needs this regulator. > > Signed-off-by: Peter Chen <peter.chen@xxxxxxx> > --- > drivers/usb/chipidea/ci_hdrc_imx.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c > index 16700170bc34..25a38ed27aa8 100644 > --- a/drivers/usb/chipidea/ci_hdrc_imx.c > +++ b/drivers/usb/chipidea/ci_hdrc_imx.c > @@ -359,7 +359,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) > return PTR_ERR(data->pinctrl_hsic_active); > } > > - data->hsic_pad_regulator = devm_regulator_get(dev, "hsic"); > + data->hsic_pad_regulator = > + devm_regulator_get_optional(dev, "hsic"); > if (PTR_ERR(data->hsic_pad_regulator) == -EPROBE_DEFER) { > return -EPROBE_DEFER; > } else if (PTR_ERR(data->hsic_pad_regulator) == -ENODEV) {