Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751926AbaANX33 (ORCPT ); Tue, 14 Jan 2014 18:29:29 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:34317 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750906AbaANX30 (ORCPT ); Tue, 14 Jan 2014 18:29:26 -0500 Message-ID: <52D5C83B.4000507@ti.com> Date: Tue, 14 Jan 2014 18:28:59 -0500 From: Santosh Shilimkar User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Kevin Hilman CC: Tony Lindgren , Taras Kondratiuk , Grygorii Strashko , "linux-omap@vger.kernel.org" , open list , linux-arm , Olof Johansson Subject: Re: [PATCH v2] ARM: OMAP4460: cpuidle: Extend PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD on cpuidle References: <1382467484-16957-1-git-send-email-grygorii.strashko@ti.com> <5266CCE3.1090801@ti.com> <20131114183535.GL10317@atomide.com> <20131115153608.GX10317@atomide.com> <52864585.6030206@linaro.org> <20131115161137.GY10317@atomide.com> <5286480B.3060801@ti.com> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 14 January 2014 04:26 PM, Kevin Hilman wrote: > On Fri, Nov 15, 2013 at 8:12 AM, Santosh Shilimkar > wrote: >> On Friday 15 November 2013 11:11 AM, Tony Lindgren wrote: >>> * Taras Kondratiuk [131115 08:03]: >>>> On 11/15/2013 05:36 PM, Tony Lindgren wrote: >>>>> * Tony Lindgren [131114 10:36]: >>>>>> * Grygorii Strashko [131022 12:09]: >>>>>>> The same workaround as ff999b8a0983ee15668394ed49e38d3568fc6859 >>>>>>> "ARM: OMAP4460: Workaround for ROM bug because of CA9 r2pX GIC ..." >>>>>>> need to be applied not only when system is booting, but when MPUSS hits >>>>>>> OSWR state through CPUIdle too. Without this WA the same issue is >>>>>>> reproduced now on boards PandaES and Tablet/Blaze with SOM OMAP4460 >>>>>>> when CONFIG_CPU_IDLE is enabled. >>>>>>> After MPUSS has enterred OSWR and waken up: >>>>>>> - GIC distributor became disabled forever >>>>>>> - scheduling is not performed any more >>>>>>> >>>>>>> Cc: Kevin Hilman >>>>>>> Acked-by: Santosh Shilimkar >>>>>>> Reported-by: Taras Kondratiuk >>>>>>> Signed-off-by: Grygorii Strashko >>>>>> >>>>>> Applying into omap-for-v3.13/fixes thanks. >>>>> >>>>> Hmm looks like this breaks the build with randconfigs at least >>>>> with the attached .config, so dropping for now. >>>> >>>> Hi Tony >>>> Have you forgot to attach .config? >>> >>> Oops, sorry looks like I removed it already as I rebuilt the tree >>> and started a new set of randconfig build tests. >>> >>>>> arch/arm/mach-omap2/built-in.o: In function `omap_enter_idle_coupled': >>>>> :(.text+0xb48c): undefined reference to `pm44xx_errata' >>>> >>>> I assume that .config doesn't have CONFIG_SMP enabled while >>>> pm44xx_errata is defined in omap-smp.c. >>>> I think it should be a separate patch to move pm44xx_errata somewhere >>>> else, so this patch will remain the same. >>> >>> Yes something like that probably. Sounds like that should be then >>> patches before this fix. >>> >>>> Btw, do we need omap_enter_idle_coupled() in UP? >>> >>> That should be checked, am43xx may need it. >>> >> Nope. omap_enter_idle_coupled() is needed only for SMP >> systems. UP don't need couple idle functionality as >> such. > > So what's the status of this fix and dependencies? > > Both linux-next[1] and arm-soc/for-next[2] are failing boot tests on > omap4460/panda-es because multi_v7_defconfig now has CPUidle enabled > by default. > I think Taras needs to refresh the patch based on discussion and then it can be merged. > > [1] http://lists.linaro.org/pipermail/kernel-build-reports/2014-January/001891.html > [2] http://lists.linaro.org/pipermail/kernel-build-reports/2014-January/001898.html > -- 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/