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Re: [PATCH] regulator: Add LTC3676 support

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On Wed, Aug 10, 2016 at 05:44:55PM -0700, Tim Harvey wrote:
> On Wed, Aug 10, 2016 at 4:41 AM, Mark Brown <broonie@kernel.org> wrote:

> >> +/* LDO1 always on fixed 0.8V-3.3V via scalar via R1/R2 feeback res */
> >> +static struct regulator_ops ltc3676_fixed_standby_regulator_ops = {
> >> +};

> > Remove this, it's pointless.

> as I'm using macro's to define the ops, removing this ends up breaking
> compilation:

> do you know of some macro foo to best handle this? Part of me wants to
> ditch the macro's and just simply declare the array of regulators
> directly as its much easier to read/follow.

Just don't use the macro for that regulator?

> >> +     if (!rdesc->r1 || !rdesc->r2)
> >> +             return;

> > This is a bug if we ever get here, we should be complaining loudly.

> This is now refactored due to using the core code for of parsing, but
> is it ok/standard to allow unused regulators to be not-defined in the
> dt and if so how do I handle that? Currently my test board uses 7 of
> the 8 regulators but the unused one is still registered with linux.

Substitute in versions of the ops that don't have any of the voltage
operations since without the dividers you can't support them, or make
the voltage operations return -EINVAL.

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Thread

[PATCH] regulator: Add LTC3676 support Tim Harvey <tharvey@gateworks.com> - 2016-08-10 01:40 +0200
  Re: [PATCH] regulator: Add LTC3676 support Mark Brown <broonie@kernel.org> - 2016-08-10 21:00 +0200
    Re: [PATCH] regulator: Add LTC3676 support Tim Harvey <tharvey@gateworks.com> - 2016-08-11 02:50 +0200
      Re: [PATCH] regulator: Add LTC3676 support Mark Brown <broonie@kernel.org> - 2016-08-11 11:50 +0200
        Re: [PATCH] regulator: Add LTC3676 support Tim Harvey <tharvey@gateworks.com> - 2016-08-11 22:50 +0200
          Re: [PATCH] regulator: Add LTC3676 support Mark Brown <broonie@kernel.org> - 2016-08-12 11:30 +0200
  Re: [PATCH] regulator: Add LTC3676 support Rob Herring <robh@kernel.org> - 2016-08-11 00:30 +0200
    Re: [PATCH] regulator: Add LTC3676 support Tim Harvey <tharvey@gateworks.com> - 2016-08-11 02:50 +0200
  [PATCH v2] regulator: Add LTC3676 support Tim Harvey <tharvey@gateworks.com> - 2016-08-15 21:40 +0200
    Applied "regulator: Add LTC3676 support" to the regulator tree Mark Brown <broonie@kernel.org> - 2016-08-16 13:40 +0200

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