From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Thomas Abraham <thomas.ab@samsung.com>,
        Sylwester Nawrocki <s.nawrocki@samsung.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Kukjin Kim <kgene.kim@samsung.com>, Kukjin Kim <kgene@kernel.org>,
        Krzysztof Kozlowski <k.kozlowski@samsung.com>,
        Tomasz Figa <tomasz.figa@gmail.com>,
        Lukasz Majewski <l.majewski@samsung.com>,
        Heiko Stuebner <heiko@sntech.de>, Chanwoo Choi <cw00.choi@samsung.com>,
        Kevin Hilman <khilman@linaro.org>,
        Javier Martinez Canillas <javier@dowhile0.org>,
        Tobias Jakobi <tjakobi@math.uni-bielefeld.de>,
        Anand Moon <linux.amoon@gmail.com>, linux-samsung-soc@vger.kernel.org,
        linux-clk@vger.kernel.org, linux-pm@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Javier Martinez Canillas <javier@osg.samsung.com>,
        Zhang Rui <rui.zhang@intel.com>,
        Eduardo Valentin <edubezval@gmail.com>
Subject: Re: [PATCH v3 3/5] ARM: Exynos: switch to using generic cpufreq driver
 for Exynos4x12
Date: Mon, 03 Aug 2015 12:47:57 +0200
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On Monday, August 03, 2015 04:10:44 PM Viresh Kumar wrote:
> On 03-08-15, 12:36, Bartlomiej Zolnierkiewicz wrote:
> > I would really like it to be dependency not an option (+ I think
> > that ideally it should be checked at runtime, IOW we should be
> > checking from cpufreq-dt driver if the thermal support is enabled
> > before enabling boost support).
> 
> I don't think boost has any dependency on thermal support. Yeah, it
> may be true for your platform but we can't force it. People might have
> different algorithms to control boost modes, thermal is just one
> option they may look at. For few, enabling boost may not be a thermal
> issue, but power. So, they want to allow it only when they want, but
> that wouldn't burn their chip.

OK, I see your point (I have not thought about power being the boost
limitation previously).

> So, a platform can choose how it wants to have it. :)

I'll re-do this patch.  Thank you.

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

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