linux-kernel - Re: [PATCH v3 0/4] add support of SCPSYS power domain for MediaTek MT7622

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Date:   Tue, 8 Aug 2017 13:41:12 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     sean.wang@...iatek.com
Cc:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...libre.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        linux-mediatek@...ts.infradead.org,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 0/4] add support of SCPSYS power domain for MediaTek MT7622

On 7 August 2017 at 09:24,  <sean.wang@...iatek.com> wrote:
> From: Sean Wang <sean.wang@...iatek.com>
>
> Changes since v2:
> - reduce code duplication of scpsys_probe across all SoCs
>
> Changes since v1:
> - rebase to Linux v4.13-rc1
>
> There are four power domains on MediaTek MT7622 SoC which are respectively
> ETHSYS for Ethernet including extra embedded switch, HIF0SYS for PCI-E and
> SATA, HIF1SYS for USB and WBSYS for WIFI and Bluetooth.
>
> Those functions could be selectively powered gated when the corresponding
> function is no longer to use in order to reach more minimal power
> dissipation through the patch series introduced here.
>
> Chen Zhong (1):
>   soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
>
> Sean Wang (3):
>   dt-bindings: soc: update the binding document for SCPSYS on MediaTek
>     MT7622 SoC
>   soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
>   soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
>
>  .../devicetree/bindings/soc/mediatek/scpsys.txt    |   3 +
>  drivers/soc/mediatek/mtk-scpsys.c                  | 247 ++++++++++++---------
>  include/dt-bindings/power/mt7622-power.h           |  22 ++
>  include/linux/soc/mediatek/infracfg.h              |   7 +
>  4 files changed, 179 insertions(+), 100 deletions(-)
>  create mode 100644 include/dt-bindings/power/mt7622-power.h
>
> --
> 2.7.4
>

Looks good to me! Feel free to add:

Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

Kind regards
Uffe