linux-kernel - Re: [PATCH v2 3/7] cpufreq-dt: add turbo modes support

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Date:	Mon, 27 Jul 2015 13:58:09 +0200
From:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Thomas Abraham <thomas.ab@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Michael Turquette <mturquette@...libre.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Lukasz Majewski <l.majewski@...sung.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Kevin Hilman <khilman@...aro.org>,
	Javier Martinez Canillas <javier@...hile0.org>,
	Tobias Jakobi <tjakobi@...h.uni-bielefeld.de>,
	Anand Moon <linux.amoon@...il.com>,
	linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/7] cpufreq-dt: add turbo modes support

On Monday, July 27, 2015 05:03:40 PM Viresh Kumar wrote:
> On 27-07-15, 13:01, Bartlomiej Zolnierkiewicz wrote:
> 
> First of all, please don't be angry :).. We can discuss and get things
> sorted out ...

OK :)

> > This change was in the original patch posted in April:
> > https://lkml.org/lkml/2015/4/10/646
> 
> Yeah, and I already apologized for missing the request :)
> 
> > your review from a month ago didn't contain this request:
> > https://lkml.org/lkml/2015/6/22/667
> 
> Your patch inserted almost 116 lines and most of the stuff was around
> adding new bindings to get things working with cpufreq-dt driver.
> 
> And so I replied to the most important stuff, i.e. don't add new
> bindings, we will sort it out with opp-v2.
> 
> And frankly that wasn't the time where we could have discussed how
> exactly we are going to use it. Ofcourse we should get it via DT,
> platform data is just not required.
> 
> So, me not NAK ing this approach was fine as it wasn't about keeping
> this data in the platform data part.
> 
> > and now (after nearly 4 months) you are telling me that
> 
> I will say a month, as we discarded most of that patch recently :)
> 
> > I should change this because you are planning to do some
> > more changes in the future.
> 
> Its not about me doing some changes. But the whole point of doing the
> opp-v2 thing was to get rid of such platform data things..
> 
> Just that your work is competing with opp-v2 code :)
> 
> > Could we please keep it as it is for now and change it
> > later (after independent_clocks configuration will get
> > ported to use device tree)?
> 
> I thought we can get your work to a better shape, with all credit to
> you. But if you have some dependency on this for 4.3, then I don't
> mind killing this structure after you have polluted it a bit more :)

Thank you.  This is exactly the case here (I would like to get
Exynos4x12 conversion to use cpufreq-dt + exynos-cpufreq removal
in v4.3 if possible and adding new DT bindings will most likely
slow down the process considerably).

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

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