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Re: [PATCH 1/6] regulator: core: Allow simultaneous use of enable op and GPIO

From Mark Brown <broonie@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 1/6] regulator: core: Allow simultaneous use of enable op and GPIO
Date 2016-06-23 12:10 +0200
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On Thu, Jun 23, 2016 at 02:29:39PM +0900, Alexandre Courbot wrote:

> There is also another potential problem with not using the enable GPIO
> in the regulator core: said GPIO can not be shared anymore between
> several regulators, as this was handled by the core.

Yeah, but there's more fun there since you'd need to sync up with the
device specific enable as well - it's not clear that such hardware would
make sense TBH.

> That's not a big issue for our use-case but I just wanted to point it
> out. Maybe we need a more global solution for shared GPIOs, but I can
> see a few challenges on the way (e.g. which policy to adopt and how to
> handle conflicts).

Indeed.  I've never seen such hardware though so...

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Thread

[PATCH 1/6] regulator: core: Allow simultaneous use of enable op and GPIO Alexandre Courbot <acourbot@nvidia.com> - 2016-06-22 10:30 +0200
  Re: [PATCH 1/6] regulator: core: Allow simultaneous use of enable op  and GPIO Mark Brown <broonie@kernel.org> - 2016-06-22 12:40 +0200
    Re: [PATCH 1/6] regulator: core: Allow simultaneous use of enable op  and GPIO Alexandre Courbot <gnurou@gmail.com> - 2016-06-23 03:20 +0200
      Re: [PATCH 1/6] regulator: core: Allow simultaneous use of enable op  and GPIO Alexandre Courbot <gnurou@gmail.com> - 2016-06-23 07:40 +0200
        Re: [PATCH 1/6] regulator: core: Allow simultaneous use of enable op  and GPIO Mark Brown <broonie@kernel.org> - 2016-06-23 12:10 +0200

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