Re: [PATCH v11 3/3] i2c: muxes: pca954x: Add regulator support

From: Patrick Rudolph
Date: Fri Apr 14 2023 - 08:01:40 EST


Hi Mark,
It was using the normal regulator_get() in the last revision, but
Sergey requested to make it optional.
Please advise me what to do here? Who is right?

Regards,
Patrick

On Fri, Apr 14, 2023 at 1:47 PM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> On Fri, Apr 14, 2023 at 01:01:36PM +0200, Patrick Rudolph wrote:
>
> > + data->supply = devm_regulator_get_optional(dev, "vdd");
> > + if (IS_ERR(data->supply)) {
> > + ret = PTR_ERR(data->supply);
>
> Unless the device can work without power it should be using a normal
> regulator_get().