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SubjectRe: [PATCH v3 1/2] regulator: dt-bindings: add QCOM RPMh regulator bindings
On Tue, May 29, 2018 at 10:30:33PM -0700, Doug Anderson wrote:
> On Wed, May 23, 2018 at 8:56 AM, Mark Brown <broonie@kernel.org> wrote:

> > Yes, that's definitely not what's expected but it's unfortunately what
> > the firmware chose to implement so we may well be stuck with it
> > unfortunately.

> We're not really stuck with it if we do what I was suggesting. I was
> suggesting that every time we disable the regulator in Linux we have
> Linux vote for the lowest voltage it's comfortable with. Linux keeps
> track of the true voltage that the driver wants and will always change
> its vote back to that before enabling. Thus (assuming Linux is OK
> with 1.2 V - 1.4 V for a rail):

That's pretty much what it should do anyway with normally designed
hardware.
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