[PATCH v7 5/7] PCI: brcmstb: Add control of subdevice voltage regulators

Jim Quinlan james.quinlan at broadcom.com
Wed Nov 3 14:53:32 PDT 2021


On Wed, Nov 3, 2021 at 5:52 PM Mark Brown <broonie at kernel.org> wrote:
>
> On Wed, Nov 03, 2021 at 04:34:34PM -0400, Jim Quinlan wrote:
> > On Wed, Nov 3, 2021 at 4:25 PM Jim Quinlan <james.quinlan at broadcom.com> wrote:
>
> > > I did it to squelch the "supply xxxxx not found, using dummy
> > > regulator" output.  I'll change it.
>
> > Now I remember: if I know there are no vpciexxx-supplly props in the
> > DT, I can skip executing all of the buik regulator calls entirely, as
> > well as walking the PCI bus as in brcm_regulators_off().
>
> > Do you consider this a valid reason?
>
> No, the whole point in the core code providing dummy supplies is that it
> removes the complexity introduced by client drivers trying to guess if
> there's supplies available or not.  If they do that then we end up with
> a bunch of code duplication and issues if there's any changes or
> extensions to the generic bindings.
Ok, will change it.
Thanks, Jim



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