From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751858AbaIJCh2 (ORCPT ); Tue, 9 Sep 2014 22:37:28 -0400 Received: from mail-bl2on0109.outbound.protection.outlook.com ([65.55.169.109]:64544 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751432AbaIJCh0 (ORCPT ); Tue, 9 Sep 2014 22:37:26 -0400 X-Greylist: delayed 85692 seconds by postgrey-1.27 at vger.kernel.org; Tue, 09 Sep 2014 22:37:26 EDT From: Robin Gong To: , , , , , , CC: , , , , 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 Content-Type: text/plain X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;UriScan:;UriScan:; X-Forefront-PRVS: 033054F29A 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 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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"; }; -- 1.9.1