Re: [PATCH v2] rfkill: Regulator consumer driver for rfkill

[Mark Brown]

On Tue, Apr 12, 2011 at 01:44:02PM +0200, Johannes Berg wrote:
> On Tue, 2011-04-12 at 13:41 +0200, Johannes Berg wrote:

> > > +	if (pdata->name == NULL || pdata->type == 0) {
> > > +		dev_err(&pdev->dev, "invalid name or type in platform data\n");
> > > +		return -EINVAL;
> > > +	}

> > > +	vcc = regulator_get_exclusive(&pdev->dev, "vrfkill");

> > Wasn't that supposed to use pdata->supply? Actually, there's no member
> > "supply" in the struct?

No, if you're passing supply names through platform data something has
gone wrong - that's a big no no.

> Oh wait, I think I just misunderstood how this works. But if the name is
> "vrfkill" how does that really work with multiple instances?

That's what the struct device is there for.  The names are mapped into
physical regulators relative to the device.
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