From patchwork Wed Mar 5 08:09:06 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tushar Behera X-Patchwork-Id: 3771221 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9F01DBF40C for ; Wed, 5 Mar 2014 08:15:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9701420237 for ; Wed, 5 Mar 2014 08:15:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6FF0120225 for ; Wed, 5 Mar 2014 08:15:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751511AbaCEIPD (ORCPT ); Wed, 5 Mar 2014 03:15:03 -0500 Received: from mail-pd0-f171.google.com ([209.85.192.171]:52014 "EHLO mail-pd0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751441AbaCEIPC (ORCPT ); Wed, 5 Mar 2014 03:15:02 -0500 Received: by mail-pd0-f171.google.com with SMTP id r10so740026pdi.16 for ; Wed, 05 Mar 2014 00:15:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=8Rv1u07gWHQAiFQpM+5rqThNQOP0f17XAuyKJto8M+8=; b=gr705nvzDMtx0V9C8Z4Us0AZWZAkLlPvE6GGlzf6716HF6de/XrSdl0QF1uJx4elh9 DWvIFCxQ3ERv/hnBpmJpXEZBVUHgc9zob+jqVBosYZOTo+vwuN0gp4lpP39MY6BOnS15 niGQv5EvCgj/PpqaMSvpLNM+cQXCXVkWVNBMSWpYNlcP6cdTvDUPu/GozZ5Kb7GA5ld4 HTc/m9ir2sIVLrbIm1+wVKUct/H/4BMe5LD9+OHqTp1OampoiijkASDbTxnhu6zu/b6x MQn/7SzD6YPv4QsS1a4+evQFPcJ1SHAGaMaGbycoKR6fIMgwd6Pr1Gy38WHVUgBov0ag PDrQ== X-Gm-Message-State: ALoCoQlKYu6sngsI0l8RV+AGBtzDqyuYTPrVpTTutyV5wsQLWRTRWUiPuoq7LEv0U/bb/1JyK+rB X-Received: by 10.66.251.42 with SMTP id zh10mr5346185pac.84.1394007301757; Wed, 05 Mar 2014 00:15:01 -0800 (PST) Received: from linaro.sisodomain.com ([115.113.119.130]) by mx.google.com with ESMTPSA id ac5sm5216950pbc.37.2014.03.05.00.14.58 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 05 Mar 2014 00:15:01 -0800 (PST) From: Tushar Behera To: linux-samsung-soc@vger.kernel.org Cc: kgene.kim@samsung.com Subject: [PATCH 1/2] ARM: dts: Disable MDMA1 node for Arndale-octa board Date: Wed, 5 Mar 2014 13:39:06 +0530 Message-Id: <1394006947-26126-1-git-send-email-tushar.behera@linaro.org> X-Mailer: git-send-email 1.7.9.5 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP MDMA1 can support both secure and non-secure AXI transactions. When this is enabled in the kernel for boards that run in secure mode, we get imprecise external aborts causing the kernel to oops. Unhandled fault: imprecise external abort (0x1406) at 0x00000000 Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007 Suggested-by: Javi Merino Signed-off-by: Tushar Behera Tested-by: Javi Merino --- arch/arm/boot/dts/exynos5420-arndale-octa.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index f509e8f..810ec73 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -361,4 +361,16 @@ gpio-key,wakeup; }; }; + + amba { + mdma1: mdma@11C10000 { + /* + * MDMA1 can support both secure and non-secure + * AXI transactions. When this is enabled in the kernel + * for boards that run in secure mode, we are getting + * imprecise external aborts causing the kernel to oops. + */ + status = "disabled"; + }; + }; };