From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: Peach Pi/Pit boot failures in linux-next (was Re: [RFC PATCH 1/1] drm/exynos: Move platform drivers registration to module init) Date: Mon, 24 Nov 2014 12:12:05 +0100 Message-ID: <1416827525.5023.10.camel@AMDC1943> References: <1416318821-7925-1-git-send-email-javier.martinez@collabora.co.uk> <7hh9xwxsev.fsf@deeprootsystems.com> <546CCAB8.9050402@collabora.co.uk> <7hppchsu29.fsf@deeprootsystems.com> <546E293D.9000300@collabora.co.uk> <7hbno1spdt.fsf@deeprootsystems.com> <546F3837.5020706@collabora.co.uk> <7hzjbko6eb.fsf@deeprootsystems.com> <546FA53D.2060807@collabora.co.uk> <547063C4.9030607@samsung.com> <5472FC7F.6090508@collabora.co.uk> <1416824001.5023.7.camel@AMDC1943> <54731183.7090307@collabora.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout1.w1.samsung.com ([210.118.77.11]:26254 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750759AbaKXLMJ (ORCPT ); Mon, 24 Nov 2014 06:12:09 -0500 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout1.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NFJ007UDJ905D30@mailout1.w1.samsung.com> for linux-samsung-soc@vger.kernel.org; Mon, 24 Nov 2014 11:15:00 +0000 (GMT) In-reply-to: <54731183.7090307@collabora.co.uk> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Javier Martinez Canillas Cc: Kevin Hilman , Kukjin Kim , Vivek Gautam , Inki Dae , Andrzej Hajda , "linux-samsung-soc@vger.kernel.org" , Paolo Pisati , Vivek Gautam On pon, 2014-11-24 at 12:07 +0100, Javier Martinez Canillas wrote: > Hello Krzysztof, > > On 11/24/2014 11:13 AM, Krzysztof Kozlowski wrote: > >> Ok, please let me know if you need anything else from me. > > > > Thanks! I replied before seeing your response. Anyway the dmatests are > > the same I got on Arndale Octa. > > > > It seems that mau_epll has to be enabled... or something is wrong with > > clock hierarchy. > > > > Another strange thing is that the problem does not happen for some people > using the same board, kernel and config options. For example Vivek and Ajay > report that they can't reproduce the issue on a Peach Pi using next-20141121 > and exynos_defconfig without using clk_ignore_unused. Maybe they have different bootloader which messes here by enabling some clock? Anyway it is reproducible on at least some Arndale Octa (Kevin's and mine) and Peach Pi boards (yours). Best regards, Krzysztof