From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Szyprowski Subject: Re: [PATCH v2 00/10] Exynos IOMMU: proper runtime PM support (use device dependencies) Date: Mon, 18 Jul 2016 12:32:14 +0200 Message-ID: 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; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.w1.samsung.com ([210.118.77.14]:43497 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752128AbcGRKcT (ORCPT ); Mon, 18 Jul 2016 06:32:19 -0400 In-reply-to: <5788E352.3040801@math.uni-bielefeld.de> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Tobias Jakobi , 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 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? Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland