Re: [RFC][PATCH v3 1/3] runtime interpreted power sequences

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On Thu, Aug 02, 2012 at 10:21:57AM +0200, Thierry Reding wrote:
> On Thu, Aug 02, 2012 at 05:00:13PM +0900, Alex Courbot wrote:

> > The problem is, how do we turn these phandles into the resource of
> > interest. The type of the resource can be infered by the name of the
> > property. The hard part is resolving the resource from the phandle -
> > it seems like the API just does not allow to do this. GPIO has
> > of_get_named_gpio, but AFAIK there are no equivalent for regulator
> > consumer and PWM: the only way to use the DT with them is through
> > get_regulator and get_pwm which work at the device level.

> > Or is there a way that I overlooked?

> No, you are right. Perhaps we should add exported functions that do the
> equivalent of of_pwm_request() or the regulator_dev_lookup() and
> of_get_regulator() pair.

I missed some of the earlier bits of the thread here but why can't we do
device based lookups?
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