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Date:   Tue, 25 Oct 2016 10:02:39 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Dave Gerlach <d-gerlach@...com>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, Nishanth Menon <nm@...com>,
        Keerthy <j-keerthy@...com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Tero Kristo <t-kristo@...com>,
        Sudeep Holla <sudeep.holla@....com>,
        Santosh Shilimkar <ssantosh@...nel.org>
Subject: Re: [PATCH v2 0/4] ARM: K2G: Add support for TI-SCI Generic PM Domains

Dave Gerlach <d-gerlach@...com> writes:

> Hi,
> This is v2 of the series to add support for TI SCI PM Domains. v1 of
> the series can be found here [1]. Several things have changed since v1:
>
> - New patch to add a void *data to struct generic_pm_domain_data to
>   allow to store per device data associated with a genpd
> - From v1, squash patch 1 and 2 to introduce docs and dt-bindings in
>   one patch based on comment from Ulf
> - Fix some grammar errors in Documentation
> - Based on comments from Ulf, rework actual genpd implementation to
>   avoid creating one genpd per device and instead use device start/stop
>   hooks provided as part of genpd to control device state based on pm_runtime
>   implementation. Also make use of new of_genpd_add_provider_simple API
>   introduced by Jon Hunter and do not provide custom of_xlate to genpd core,
>   instead registering devices as they probe through attach_dev hook provided
>   by genpd framework.
>
> Most of the changes were motivated by the comments from Ulf Hannson on v1 that we
> should not use a 1-to-1 genpd to device mapping. The new approach allows us to
> create a single genpd and store information about each device as they attach to
> the genpd. Then the device start/stop hooks for that genpd leverage the
> per-device data to control power states over the TI SCI protocol.
>
> This driver makes use of the ti_sci driver sent here [2] by Nishanth Menon and
> applies on top of his series on v4.9-rc1.

Reviewed-by: Kevin Hilman <khilman@...libre.com>

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