Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752094Ab3FFPVS (ORCPT ); Thu, 6 Jun 2013 11:21:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57833 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750760Ab3FFPVQ (ORCPT ); Thu, 6 Jun 2013 11:21:16 -0400 Date: Thu, 6 Jun 2013 11:21:04 -0400 From: Dave Jones To: Lukasz Majewski Cc: Viresh Kumar , "Rafael J. Wysocky" , "cpufreq@vger.kernel.org" , Linux PM list , Vincent Guittot , Jonghwa Lee , Myungjoo Ham , linux-kernel , Lukasz Majewski , Andre Przywara , Daniel Lezcano Subject: Re: [PATCH 5/5] cpufreq:boost:Kconfig: Enable boost support at Kconfig Message-ID: <20130606152104.GA11015@redhat.com> Mail-Followup-To: Dave Jones , Lukasz Majewski , Viresh Kumar , "Rafael J. Wysocky" , "cpufreq@vger.kernel.org" , Linux PM list , Vincent Guittot , Jonghwa Lee , Myungjoo Ham , linux-kernel , Lukasz Majewski , Andre Przywara , Daniel Lezcano References: <1370502472-7249-1-git-send-email-l.majewski@samsung.com> <1370502472-7249-6-git-send-email-l.majewski@samsung.com> <20130606144910.GA1194@redhat.com> <20130606171431.41d63591@amdc308.digital.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130606171431.41d63591@amdc308.digital.local> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1237 Lines: 36 On Thu, Jun 06, 2013 at 05:14:31PM +0200, Lukasz Majewski wrote: > Hi Dave, > > > On Thu, Jun 06, 2013 at 09:07:52AM +0200, Lukasz Majewski wrote: > > > > > +config CPU_FREQ_BOOST > > > + bool "CPU frequency boost support" > > > + help > > > + Switch to enable support for frequency boost > > > + > > > + If in doubt, say N. > > > + > > > > This help text is devoid of any useful information. > > > > On what platforms ? What's the upside/downside ? Why is it an option ? > > I shall be more verbose here. > > The boost option is supposed to provide one solution to control > software based (like is is done with Samsung Exynos4 SoC) and hardware > based (like Intel's Turbo Boost feature) boost. > > Support for Intel's boost is already in mainline. Therefore I aimed to > extend cpufreq to also manage software based solutions (e.g. Exynos). Given CPUFREQ is available on more platforms than X86/ARM, this option could also use a depends. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/