Re: [PATCH v3 1/2] regulator: dt-bindings: add QCOM RPMh regulator bindings

From: Mark Brown
Date: Wed May 30 2018 - 11:02:51 EST


On Wed, May 30, 2018 at 07:46:50AM -0700, Doug Anderson wrote:
> On Wed, May 30, 2018 at 2:37 AM, Mark Brown <broonie@xxxxxxxxxx> wrote:

> >> 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.

> I guess the question is: do we insist that the driver include this
> workaround, or are we OK with letting the hardware behave as the
> hardware does?

What you're describing sounds like what we should be doing normally, if
we're not doing that we should probably be fixing the core.

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