From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755182AbbHKFyj (ORCPT ); Tue, 11 Aug 2015 01:54:39 -0400 Received: from lists.s-osg.org ([54.187.51.154]:57069 "EHLO lists.s-osg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755141AbbHKFyh (ORCPT ); Tue, 11 Aug 2015 01:54:37 -0400 Subject: Re: [PATCH] ARM: exynos_defconfig: Enable cpufreq-dt driver To: Krzysztof Kozlowski , Kukjin Kim , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org References: <1439259354-32055-1-git-send-email-k.kozlowski@samsung.com> Cc: Bartlomiej Zolnierkiewicz , Chanwoo Choi From: Javier Martinez Canillas X-Enigmail-Draft-Status: N1110 Message-ID: <55C98E17.9040303@osg.samsung.com> Date: Tue, 11 Aug 2015 07:54:31 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 MIME-Version: 1.0 In-Reply-To: <1439259354-32055-1-git-send-email-k.kozlowski@samsung.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Krzysztof, On 08/11/2015 04:15 AM, Krzysztof Kozlowski wrote: > With the latest patches the cpufreq-dt can be used on multiple > Exynos SoCs: 3250, 4210, 4212, 4412 and 5250. > > Enable it along with default ondemand governor to conserve the energy, > reduce temperature while maintaining acceptable performance. > > Signed-off-by: Krzysztof Kozlowski > --- > arch/arm/configs/exynos_defconfig | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig > index 67965cedeb69..2263cd94cb93 100644 > --- a/arch/arm/configs/exynos_defconfig > +++ b/arch/arm/configs/exynos_defconfig > @@ -27,6 +27,8 @@ CONFIG_ARM_APPENDED_DTB=y > CONFIG_ARM_ATAG_DTB_COMPAT=y > CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" > CONFIG_CPU_FREQ=y > +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y > +CONFIG_CPUFREQ_DT=y > CONFIG_CPU_IDLE=y > CONFIG_ARM_EXYNOS_CPUIDLE=y > CONFIG_VFP=y > Reviewed-by: Javier Martinez Canillas Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America