From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tobias Jakobi Subject: Re: [PATCH v2 00/10] Exynos IOMMU: proper runtime PM support (use device dependencies) Date: Mon, 18 Jul 2016 13:00:43 +0200 Message-ID: <578CB6DB.90608@math.uni-bielefeld.de> References: <1466144820-6286-1-git-send-email-m.szyprowski@samsung.com> <5787B2B0.9020809@math.uni-bielefeld.de> <5788E352.3040801@math.uni-bielefeld.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-samsung-soc-owner@vger.kernel.org To: Marek Szyprowski , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Joerg Roedel , Inki Dae , Kukjin Kim , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , "Rafael J. Wysocki" , Ulf Hansson , Mark Brown , Greg Kroah-Hartman List-Id: iommu@lists.linux-foundation.org Hello Marek, Marek Szyprowski wrote: > Hi Tobias, > > > On 2016-07-15 15:21, Tobias Jakobi wrote: >> Tobias Jakobi wrote: >>> Hello Marek, >>> >>> I've tested the patchset on 4.7-rc7 and noticed that it breaks reboot on >>> my ODROID-X2. >>> >>> Going to check where exactly things break. >> Sadly it's the last patch where everything comes together: >> "iommu/exynos: Add proper runtime pm support" >> >> I still have to check if forcing runpm status to 'on' makes a >> difference. I suspect that the aggressive clock gating might be the >> reason? > > Thanks for testing. I will check this issue. Could you send me your > .config? This is the config I'm currently using: https://github.com/tobiasjakobi/odroid-environment/blob/master/sourcecode/system/vanilla-4.7-debug.conf Do you think checking this with no_console_suspend makes sense? - Tobias > > Best regards