From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz 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 Message-ID: <2295533.OBI6Q4a3b9@amdc1976> References: <1438368557-2352-1-git-send-email-b.zolnierkie@samsung.com> <4532306.AVvo5hem3c@amdc1976> <20150803104044.GB21529@linux> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit Return-path: In-reply-to: <20150803104044.GB21529@linux> Sender: linux-kernel-owner@vger.kernel.org To: Viresh Kumar Cc: Thomas Abraham , Sylwester Nawrocki , Michael Turquette , Kukjin Kim , Kukjin Kim , Krzysztof Kozlowski , Tomasz Figa , Lukasz Majewski , Heiko Stuebner , Chanwoo Choi , Kevin Hilman , Javier Martinez Canillas , Tobias Jakobi , Anand Moon , 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 , Zhang Rui , Eduardo Valentin List-Id: linux-pm@vger.kernel.org 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