Re: [PATCH v2 4/4] PM: domains: Drop/restore performance state votes for devices at system PM

Mark Brown
2021-06-08T14:20:36Z

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On Tue, Jun 08, 2021 at 04:08:55PM +0200, Ulf Hansson wrote:

> Honestly, I am not sure about what the regulator-fixed-domain intends
> to model, but I assume it's something that fits well to be modelled as
> a plain regulator, to start with.

> Perhaps Mark can chime in and spread some light over this?

IIRC it's for situations where there's a device that's normally built as
a separate chip that got built into a bigger SoC and wants to rear end
something onto a power domain, I guess especially if the power domain
doesn't cover the whole of a Linux device.

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