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From: ben@smart-cactus.org (Ben Gamari)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 0/12] cpufreq: Add support for Exynos 5800, 5420, and 5422
Date: Thu, 03 Dec 2015 12:21:33 +0100	[thread overview]
Message-ID: <87y4db3hhe.fsf@smart-cactus.org> (raw)
In-Reply-To: <20151203103703.GC2097@ubuntu>

Viresh Kumar <viresh.kumar@linaro.org> writes:

> On 03-12-15, 11:26, Ben Gamari wrote:
>> Viresh Kumar <viresh.kumar@linaro.org> writes:
>> > But, before I start reviewing this series, I have few comments.
>> > - We weren't able to use cpufreq-dt driver for big LITTLE platforms
>> >   earlier, as it never had multi cluster support and we wanted
>> >   clock-sharing information via DT.
>> 
>> Fair enough.
>> 
>> > - That is all fixed now.
>> 
>> I did not see any mention of this in the cpufreq-dt driver binding
>> documentation, otherwise I would have tried going this route.
>> 
>> Do you have any references? I'd be happy to examine what would be
>> necessary to go this route although, being an independent contributor,
>> it may take time.
>
> You wouldn't find in cpufreq-dt documentation as its not specific to
> that. I have seen you DT patches now, and you have created the OPP
> tables mostly correctly. Just create the cpufreq-platform device for
> cpufreq-dt instead of arm-big-little one. And it should just work.
>
Do you mean something along these lines? [1]

>> Sounds reasonable to me. However, I'd just like to reiterate that this
>> line of work can be pursued independently from the upstreaming of this
>> series.
>
> I think this is the right time to upstream the right solution. Just
> try it once, if you face lots of difficulties or issues, then we can
> ofcourse see..
>
Sure. I didn't realize things were so close to being functional. Thanks
for the hint. I'll give it a shot next time my XU4 is free.

> NOTE: Check how OPP nodes are required to be created now in
> linux-next. They should be named like opp@<freq-hz>. Something I
> noticed in your DTs.
>
I've fixed this in the branch.

Thanks again.

Cheers,

- Ben


[1] https://github.com/bgamari/linux/commit/285778aaff464d4dcf152f3e9e0df3d8c6909576
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  reply	other threads:[~2015-12-03 11:21 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-02 21:19 [PATCH v5 0/12] cpufreq: Add support for Exynos 5800, 5420, and 5422 Ben Gamari
2015-12-02 21:19 ` [PATCH 01/12] cpufreq: arm_big_little: add cluster regulator support Ben Gamari
2015-12-03  4:41   ` Anand Moon
2015-12-02 21:19 ` [PATCH 02/12] clk: samsung: exynos5420: add cpu clock configuration data and instantiate cpu clock Ben Gamari
2015-12-03  6:08   ` Krzysztof Kozlowski
2015-12-03 10:30     ` Ben Gamari
2015-12-04  2:25       ` Krzysztof Kozlowski
2015-12-02 21:19 ` [PATCH 03/12] ARM: dts: Exynos5420: add CPU OPP and regulator supply property Ben Gamari
2015-12-02 21:19 ` [PATCH 04/12] ARM: Exynos: use generic cpufreq driver for Exynos5420 Ben Gamari
2015-12-02 21:19 ` [PATCH 05/12] clk: samsung: exynos5800: fix cpu clock configuration data Ben Gamari
2015-12-02 21:19 ` [PATCH 06/12] ARM: dts: Exynos5800: fix CPU OPP Ben Gamari
2015-12-02 21:19 ` [PATCH 07/12] ARM: dts: Exynos5422: fix OPP tables Ben Gamari
2015-12-02 21:19 ` [PATCH 08/12] ARM: Exynos: use generic cpufreq driver for Exynos5800 Ben Gamari
2015-12-02 21:19 ` [PATCH 09/12] ARM: dts: Exynos5420/5800: add cluster regulator supply properties Ben Gamari
2015-12-02 21:19 ` [PATCH 10/12] cpufreq: arm-big-little: accept operating-points-v2 nodes Ben Gamari
2015-12-02 21:19 ` [PATCH 11/12] cpufreq: arm-big-little: clarify frequency units Ben Gamari
2015-12-03 14:22   ` Jon Medhurst (Tixy)
2015-12-03 14:37     ` Ben Gamari
2015-12-02 21:19 ` [PATCH 12/12] cpufreq: arm-big-little: warn on invalid regulator Ben Gamari
2015-12-03  6:05 ` [PATCH v5 0/12] cpufreq: Add support for Exynos 5800, 5420, and 5422 Viresh Kumar
2015-12-03 10:26   ` Ben Gamari
2015-12-03 10:37     ` Viresh Kumar
2015-12-03 11:21       ` Ben Gamari [this message]
2015-12-03 11:25         ` Viresh Kumar
2015-12-07 21:19       ` Ben Gamari
2015-12-03 11:05   ` Sudeep Holla
2015-12-03 11:24     ` Viresh Kumar

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