linux-kernel - Re: [PATCH v4 0/5] ARM: K2G: Add support for TI-SCI Generic PM Domains

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Date:   Sun, 12 Mar 2017 18:02:35 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Dave Gerlach <d-gerlach@...com>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Kevin Hilman <khilman@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        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>
Subject: Re: [PATCH v4 0/5] ARM: K2G: Add support for TI-SCI Generic PM Domains

On Tuesday, March 07, 2017 04:22:29 AM Dave Gerlach wrote:
> Hi,
> This is v4 of the series to add support for TI-SCI Generic PM Domains.
> Previous versions can be found here:
> 
> v3: https://www.spinics.net/lists/kernel/msg2413975.html
> v2: https://www.spinics.net/lists/kernel/msg2364612.html
> v1: http://www.spinics.net/lists/arm-kernel/msg525204.html
> 
> After much debate I have returned to using the phandle cell to pass the SCI ID
> rather than the separate "ti,sci-id" property that was not very popular. In
> order to do this I needed to make a change to the genpd framework which can be
> seen in patch 2 and should benefit others that have client . Rather than
> checking for zero phandle args and failing if any are present the
> of_genpd_add_provider_simple call does not check at all and instead leaves
> parsing and interpretation up to the platform genpd driver.
> 
> This allows the ti_sci_pm_domains driver to parse the phandle and use the first
> phandle cell as the sci-id rather than getting it from a separate property.
> 
> Besides that none of the original patches have changed apart from updating the
> year to 2017 in patches 3 and 4 and of course a small update to patch 4 to let
> the ti_sci_pm_domains parse the phandle and extract the sci-id rather than
> looking for the rejected ti,sci-id property.
> 
> I did not update the "power-domain" binding document because in regards to
> #power-domain-cells it already states "can be any value as specified by device
> tree binding documentation of particular provider" which I think already
> describes the change in patch 2.

I'm assuming that this will go in through the arm-soc tree.

Thanks,
Rafael