Re: [RFC PATCH 0/9] Add support for QCOM Core Power Reduction

From: Viresh Kumar
Date: Mon Apr 08 2019 - 06:31:02 EST

On Thu, Apr 4, 2019 at 10:40 AM Niklas Cassel <niklas.cassel@xxxxxxxxxx> wrote:
> This is a first RFC for Core Power Reduction (CPR), a form of
> Adaptive Voltage Scaling (AVS), found on certain Qualcomm SoCs.
> Since this is simply an RFC, things like MAINTAINERS hasn't
> been updated yet.
> CPR is a technology that reduces core power on a CPU or on other device.
> It reads voltage settings from efuses (that have been written in production),
> it uses these voltage settings as initial values, for each OPP.
> After moving to a certain OPP, CPR monitors dynamic factors such as
> temperature, etc. and adjusts the voltage for that frequency accordingly
> to save power and meet silicon characteristic requirements.
> This driver is based on an RFC by Stephen Boyd[1], which in turn is
> based on work by others on[2].
> [1]
> [2]

Please add relevant people to all the patches as it makes their life
easier and never
miss anyone from the cover-letter :)