linux-kernel - Re: [PATCH v1 00/17] NVIDIA Tegra20 CPUFreq driver major update

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Message-ID: <d0cf9fca-eb95-1986-4c2d-ae3cded324b0@gmail.com>
Date:   Wed, 16 Oct 2019 17:20:02 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 00/17] NVIDIA Tegra20 CPUFreq driver major update

16.10.2019 17:01, Thierry Reding пишет:
> On Wed, Oct 16, 2019 at 04:16:27PM +0300, Dmitry Osipenko wrote:
>> 16.10.2019 08:27, Viresh Kumar пишет:
>>> On 16-10-19, 00:16, Dmitry Osipenko wrote:
>>>> Hello,
>>>>
>>>> This series moves intermediate-clk handling from tegra20-cpufreq into
>>>> tegra-clk driver, this allows us to switch to generic cpufreq-dt driver
>>>> which brings voltage scaling, per-hardware OPPs and Tegra30 support out
>>>> of the box. All boards need to adopt CPU OPPs in their device-trees in
>>>> order to get cpufreq support. This series adds OPPs only to selective
>>>> boards because there is assumption in a current device-trees that CPU
>>>> voltage is set for 1GHz freq and this won't work for those CPUs that
>>>> can go over 1GHz and thus require voltage regulators to be set up for
>>>> voltage scaling support (CC'ed Marcel for Toradex boards). We could
>>>> probably add delete-node for OPPs over 1GHz if there are not actively
>>>> maintained boards.
>>>
>>> How do you want to get these patches merged ? Can I just pick the cpufreq bits
>>> alone ?
>>>
>>
>> The cpufreq bits strictly depend on the clk patches and the regulators
>> coupler/balancer series. Hence all patches in this series should collect
>> acks from relevant maintainers and then Thierry will pick up the
>> patchsets in a correct order via tegra tree, at least that's my vision.
>>
>> Thierry, are you okay with that approach?
> 
> Works for me. I already have a set of clock patches that I'd like to
> merge via the Tegra tree because of a runtime dependency, so it'd be
> easy to apply these on top of that.

Awesome, thank you very much!

Viresh, then only acks to the patches related to cpufreq driver are
needed from you for this series.