Re: [PATCH] regulator: Allow set voltage on fixed regulators

From: Tim Kryger
Date: Tue Apr 22 2014 - 14:38:48 EST


On Fri, Apr 18, 2014 at 11:52 AM, Mark Brown <broonie@xxxxxxxxxx> wrote:
> On Fri, Apr 18, 2014 at 11:30:10AM -0700, Tim Kryger wrote:
>> If a regulator consumer requests a voltage range that can be satisfied,
>> the return value should indicate success even if that regulator has a
>> fixed voltage. Since there is already logic to check if the requested
>> voltage range overlaps the allowed range, set REGULATOR_CHANGE_VOLTAGE
>> for regulators with constraints that include a positive voltage.
>
> This seems like the wrong place to fix this, it's nothing to do with DT
> and we shouldn't require that nonsensical permissions are set. Instead
> we should fix this at the point where we're implementing the permission
> check, have the failure case check the current voltage before returning
> an error.

I now see that Bjorn submitted a patch which did exactly that.

https://lkml.org/lkml/2014/2/5/494

His change made it into v3.15-rc1, so mine is no longer necessary.

Thanks,
Tim Kryger
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