From patchwork Wed Sep 10 01:33:36 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 4873651 Return-Path: X-Original-To: patchwork-linux-arm@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 E21C2C0338 for ; Wed, 10 Sep 2014 02:39:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 02DF520179 for ; Wed, 10 Sep 2014 02:39:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 17D4D20176 for ; Wed, 10 Sep 2014 02:39:55 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XRXn3-00074B-Ep; Wed, 10 Sep 2014 02:37:49 +0000 Received: from mail-bn1bon0143.outbound.protection.outlook.com ([157.56.111.143] helo=na01-bn1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XRXn0-0006zF-Lt for linux-arm-kernel@lists.infradead.org; Wed, 10 Sep 2014 02:37:47 +0000 Received: from BLUPR03MB343.namprd03.prod.outlook.com (10.141.48.21) by BLUPR03MB328.namprd03.prod.outlook.com (10.141.48.27) with Microsoft SMTP Server (TLS) id 15.0.1024.9; Wed, 10 Sep 2014 02:37:24 +0000 Received: from CH1PR03CA010.namprd03.prod.outlook.com (10.255.156.155) by BLUPR03MB343.namprd03.prod.outlook.com (10.141.48.21) with Microsoft SMTP Server (TLS) id 15.0.1024.9; Wed, 10 Sep 2014 02:37:23 +0000 Received: from BN1AFFO11FD057.protection.gbl (10.255.156.132) by CH1PR03CA010.outlook.office365.com (10.255.156.155) with Microsoft SMTP Server (TLS) id 15.0.1024.12 via Frontend Transport; Wed, 10 Sep 2014 02:37:22 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1AFFO11FD057.mail.protection.outlook.com (10.58.53.72) with Microsoft SMTP Server (TLS) id 15.0.1019.14 via Frontend Transport; Wed, 10 Sep 2014 02:37:22 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id s8A2b9pi023580; Tue, 9 Sep 2014 19:37:15 -0700 From: Robin Gong To: , , , , , , Subject: [PATCH v1] ARM: dts: imx6dl: disable dma support for spi on i.mx6dl Date: Wed, 10 Sep 2014 09:33:36 +0800 Message-ID: <1410312816-32171-1-git-send-email-b38343@freescale.com> X-Mailer: git-send-email 1.9.1 X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019019)(6009001)(189002)(199003)(107046002)(229853001)(47776003)(64706001)(46102001)(4396001)(50226001)(80022001)(76482001)(20776003)(74502001)(83322001)(21056001)(6806004)(74662001)(19580405001)(31966008)(19580395003)(87286001)(68736004)(44976005)(50986999)(79102001)(95666004)(105606002)(81342001)(81542001)(62966002)(99396002)(84676001)(104016003)(77982001)(77156001)(106466001)(85306004)(87936001)(48376002)(88136002)(89996001)(97736003)(575784001)(93916002)(50466002)(90102001)(92726001)(104166001)(85852003)(26826002)(102836001)(36756003)(92566001)(33646002)(83072002)(32563001)(42262002); DIR:OUT; SFP:1102; SCL:1; SRVR:BLUPR03MB343; H:tx30smr01.am.freescale.net; FPR:; MLV:ovrnspm; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;UriScan:;UriScan:; X-Forefront-PRVS: 033054F29A Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=yibin.gong@freescale.com; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:; X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140909_193746_853984_3757BCB3 X-CRM114-Status: UNSURE ( 6.39 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.8 (-) Cc: Frank.Li@freescale.com, devicetree@vger.kernel.org, linux@arm.linux.org.uk, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 There is one weird data in rxfifo after one full rx/tx transfer done sometimes. It looks a design issue and hard to workaround totally, so disable dma functhion here. And will re-enable it once the root cause found. Signed-off-by: Robin Gong --- arch/arm/boot/dts/imx6dl.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm/boot/dts/imx6dl.dtsi b/arch/arm/boot/dts/imx6dl.dtsi index b453e0e..e84a1ff 100644 --- a/arch/arm/boot/dts/imx6dl.dtsi +++ b/arch/arm/boot/dts/imx6dl.dtsi @@ -102,6 +102,22 @@ }; }; +&ecspi1 { + dma-names = "", ""; +}; + +&ecspi2 { + dma-names = "", ""; +}; + +&ecspi3 { + dma-names = "", ""; +}; + +&ecspi4 { + dma-names = "", ""; +}; + &hdmi { compatible = "fsl,imx6dl-hdmi"; };