linux-kernel - Re: [PATCH v2 0/6] Add RSC power domain support

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Message-ID: <20200121190521.GT89495@google.com>
Date:   Tue, 21 Jan 2020 11:05:21 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Maulik Shah <mkshah@...eaurora.org>
Cc:     swboyd@...omium.org, agross@...nel.org, david.brown@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, bjorn.andersson@...aro.org,
        evgreen@...omium.org, dianders@...omium.org, rnayak@...eaurora.org,
        ilina@...eaurora.org, lsrao@...eaurora.org, ulf.hansson@...aro.org
Subject: Re: [PATCH v2 0/6] Add RSC power domain support

Hi Maulik,

What is the status of this series? It seems it hasn't been updated since
you sent it in August last year. Do you plan to send a v3 in the near future
to address the outstanding comments?

Thanks

Matthias

On Fri, Aug 23, 2019 at 01:46:57PM +0530, Maulik Shah wrote:
> Changes in v2:
> - Add Stephen's Reviewed-By to the first three patches
> - Addressed Stephen's comments on fourth patch
> - Include changes to connect rpmh domain to cpuidle and genpds
> 
> Resource State Coordinator (RSC) is responsible for powering off/lowering
> the requirements from CPU subsystem for the associated hardware like buses,
> clocks, and regulators when all CPUs and cluster is powered down.
> 
> RSC power domain uses last-man activities provided by genpd framework based on
> Ulf Hansoon's patch series[1], when the cluster of CPUs enter deepest idle
> states. As a part of domain poweroff, RSC can lower resource state requirements
> by flushing the cached sleep and wake state votes for resources.
> 
> Dependencies:
> 
> [1] https://lkml.org/lkml/2019/5/13/839
> 
> Maulik Shah (6):
>   drivers: qcom: rpmh: fix macro to accept NULL argument
>   drivers: qcom: rpmh: remove rpmh_flush export
>   dt-bindings: soc: qcom: Add RSC power domain specifier
>   drivers: qcom: rpmh-rsc: Add RSC power domain support
>   arm64: dts: Convert to the hierarchical CPU topology layout for sdm845
>   arm64: dts: Add rsc power domain for sdm845
> 
>  .../devicetree/bindings/soc/qcom/rpmh-rsc.txt |   8 ++
>  arch/arm64/boot/dts/qcom/sdm845.dtsi          | 105 +++++++++++++-----
>  drivers/soc/qcom/rpmh-internal.h              |   3 +
>  drivers/soc/qcom/rpmh-rsc.c                   |  84 ++++++++++++++
>  drivers/soc/qcom/rpmh.c                       |  22 ++--
>  include/soc/qcom/rpmh.h                       |   5 -
>  6 files changed, 185 insertions(+), 42 deletions(-)
> 
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation.
>