[PATCH 1/4] regulator: core: Support trying to get close to a certain voltage

[Mark Brown]

On Thu, Dec 11, 2014 at 11:55:55AM -0800, Doug Anderson wrote:
> On Thu, Dec 11, 2014 at 9:09 AM, Mark Brown <broonie at kernel.org> wrote:

> > Please also bear in mind the need to handle shared supplies in your
> > implementation.

> I'm being dense, can you give more details?  Do you want me to grab
> the mutex or do something smarter like track the voltage / tolerance
> requested by multiple clients and resolve them, or ...?

I mean the latter - what happens if more than one consumer is trying to
use the regulator?  This is IIRC why _set_voltage_tol() uses the cheap
and nasty implementation it does.  There's also the potential
performance considerations for the DVS type applications now I think
about it.
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