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

From: Jim Quinlan
Date: Wed Nov 03 2021 - 16:26:07 EST


On Wed, Nov 3, 2021 at 3:45 PM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> On Wed, Nov 03, 2021 at 02:49:35PM -0400, Jim Quinlan wrote:
>
> > + for_each_property_of_node(dn, pp) {
> > + for (i = 0; i < ns; i++) {
> > + char prop_name[64]; /* 64 is max size of property name */
> > +
> > + snprintf(prop_name, 64, "%s-supply", supplies[i]);
> > + if (strcmp(prop_name, pp->name) == 0)
> > + break;
> > + }
> > + if (i >= ns || pcie->num_supplies >= ARRAY_SIZE(supplies))
> > + continue;
> > +
> > + pcie->supplies[pcie->num_supplies++].supply = supplies[i];
> > + }
>
> Why are we doing this? If the DT omits the supplies the framework will
> provide dummy supplies so there is no need to open code handling for
> supplies not being present at all in client drivers. Just
> unconditionally ask for all the supplies.

I did it to squelch the "supply xxxxx not found, using dummy
regulator" output. I'll change it.
Regards, Jim