Re: [PATCH 0/2] add regulator driver and mfd cell for Intel Cherry Trail Whiskey Cove PMIC

From: Mark Brown
Date: Fri Oct 25 2019 - 08:05:14 EST

On Fri, Oct 25, 2019 at 12:45:30PM +0200, Hans de Goede wrote:

> Hmm, I do just realize that the regulator subsystem turns off regulators
> which are not in use from its pov, which would be kinda bad here.

It will only do this for regulators which have constraints which
enable the kernel to change the power state of the regulator, the
regulator core will never make any change to hardware that was
not explicitly permitted by constraints so should be perfectly
safe unless constraints are provided in which case it's up to
whoever provides the constraints to make sure they are safe.

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