From mboxrd@z Thu Jan 1 00:00:00 1970 From: Javier Martinez Canillas Subject: Re: [PATCH] ARM: exynos_defconfig: Enable big.LITTLE CPUidle support Date: Fri, 28 Aug 2015 11:30:26 +0200 Message-ID: <55E02A32.2070902@osg.samsung.com> References: <1440749769-10135-1-git-send-email-javier@osg.samsung.com> <1440751902.13118.6.camel@collabora.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from lists.s-osg.org ([54.187.51.154]:60741 "EHLO lists.s-osg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751356AbbH1Jab (ORCPT ); Fri, 28 Aug 2015 05:30:31 -0400 In-Reply-To: <1440751902.13118.6.camel@collabora.co.uk> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Sjoerd Simons , linux-kernel@vger.kernel.org Cc: Kukjin Kim , Thierry Reding , Anand Moon , Russell King , linux-samsung-soc@vger.kernel.org, Krzysztof Kozlowski , Lukasz Majewski , linux-arm-kernel@lists.infradead.org Hello Sjoerd, On 08/28/2015 10:51 AM, Sjoerd Simons wrote: > On Fri, 2015-08-28 at 10:16 +0200, Javier Martinez Canillas wrote: >> Some Exynos big.LITTLE boards (i.e: Exynos5420 and Exynos5800 based >> Chromebooks) have proper firmware that allow the big.LITTLE CPUidle >> driver to work correctly, so enable support for this. >> >> Signed-off-by: Javier Martinez Canillas >> >> --- >> Kukjin and Krzysztof, >> >> As you know there are other boards like the Exynos5422 based Odroid >> XU{3,4} >> whose firmware is broken due leaving CCI in secure mode which means >> that the >> kernel MCPM support can't properly manage CCI. >> >> So if you pick this patch, it should be tested in kernelci before >> appearing >> in linux-next to prevent any boot issues. > > I've pushed this patch into Collabora's for-next branch, which should > get picked up by kernelci soonish. > Awesome, thanks a lot for your help! Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America From mboxrd@z Thu Jan 1 00:00:00 1970 From: javier@osg.samsung.com (Javier Martinez Canillas) Date: Fri, 28 Aug 2015 11:30:26 +0200 Subject: [PATCH] ARM: exynos_defconfig: Enable big.LITTLE CPUidle support In-Reply-To: <1440751902.13118.6.camel@collabora.co.uk> References: <1440749769-10135-1-git-send-email-javier@osg.samsung.com> <1440751902.13118.6.camel@collabora.co.uk> Message-ID: <55E02A32.2070902@osg.samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello Sjoerd, On 08/28/2015 10:51 AM, Sjoerd Simons wrote: > On Fri, 2015-08-28 at 10:16 +0200, Javier Martinez Canillas wrote: >> Some Exynos big.LITTLE boards (i.e: Exynos5420 and Exynos5800 based >> Chromebooks) have proper firmware that allow the big.LITTLE CPUidle >> driver to work correctly, so enable support for this. >> >> Signed-off-by: Javier Martinez Canillas >> >> --- >> Kukjin and Krzysztof, >> >> As you know there are other boards like the Exynos5422 based Odroid >> XU{3,4} >> whose firmware is broken due leaving CCI in secure mode which means >> that the >> kernel MCPM support can't properly manage CCI. >> >> So if you pick this patch, it should be tested in kernelci before >> appearing >> in linux-next to prevent any boot issues. > > I've pushed this patch into Collabora's for-next branch, which should > get picked up by kernelci soonish. > Awesome, thanks a lot for your help! Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America