From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 024B2C004C9 for ; Tue, 7 May 2019 09:15:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD12620C01 for ; Tue, 7 May 2019 09:15:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="FcafAh6s" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726608AbfEGJPs (ORCPT ); Tue, 7 May 2019 05:15:48 -0400 Received: from mail-eopbgr40069.outbound.protection.outlook.com ([40.107.4.69]:38257 "EHLO EUR03-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726302AbfEGJPr (ORCPT ); Tue, 7 May 2019 05:15:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=RDn8j2HqvkAgGOvzsK2c8evs0ozo2pfez6/Fl92rAdQ=; b=FcafAh6ssPzvTW0mNGS8qwWpZSWCnz+xPd63jhPhv+G5W9qR89/GF4SAQBSHUWXOM0I6vmv/gp6DzsUYlP3pCUqWLPfXhroM/mw1EQQbH/SFpiUBWBYkxs0T6QEmHKzae3WeOitJMIqXRl12eufEmjtWDSXLbchQhKRTPDuXcZU= Received: from VI1PR04MB4543.eurprd04.prod.outlook.com (20.177.55.90) by VI1PR04MB3184.eurprd04.prod.outlook.com (10.170.229.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1856.15; Tue, 7 May 2019 09:15:41 +0000 Received: from VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525]) by VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525%4]) with mapi id 15.20.1856.012; Tue, 7 May 2019 09:15:41 +0000 From: Robin Gong To: "robh@kernel.org" , "broonie@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "festevam@gmail.com" , "mark.rutland@arm.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "l.stach@pengutronix.de" CC: dl-linux-imx , "linux-spi@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "dmaengine@vger.kernel.org" , "devicetree@vger.kernel.org" , "kernel@pengutronix.de" Subject: [PATCH v3 01/14] Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core" Thread-Topic: [PATCH v3 01/14] Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core" Thread-Index: AQHVBLVx+XXhX3x25UKbPHfz40t5NA== Date: Tue, 7 May 2019 09:15:41 +0000 Message-ID: <1557249513-4903-2-git-send-email-yibin.gong@nxp.com> References: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> In-Reply-To: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR04CA0088.apcprd04.prod.outlook.com (2603:1096:202:15::32) To VI1PR04MB4543.eurprd04.prod.outlook.com (2603:10a6:803:6d::26) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yibin.gong@nxp.com; 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Tue, 07 May 2019 09:15:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=RDn8j2HqvkAgGOvzsK2c8evs0ozo2pfez6/Fl92rAdQ=; b=FcafAh6ssPzvTW0mNGS8qwWpZSWCnz+xPd63jhPhv+G5W9qR89/GF4SAQBSHUWXOM0I6vmv/gp6DzsUYlP3pCUqWLPfXhroM/mw1EQQbH/SFpiUBWBYkxs0T6QEmHKzae3WeOitJMIqXRl12eufEmjtWDSXLbchQhKRTPDuXcZU= Received: from VI1PR04MB4543.eurprd04.prod.outlook.com (20.177.55.90) by VI1PR04MB3184.eurprd04.prod.outlook.com (10.170.229.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1856.15; Tue, 7 May 2019 09:15:41 +0000 Received: from VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525]) by VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5d07:911b:18e1:1525%4]) with mapi id 15.20.1856.012; Tue, 7 May 2019 09:15:41 +0000 From: Robin Gong To: "robh@kernel.org" , "broonie@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "festevam@gmail.com" , "mark.rutland@arm.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "l.stach@pengutronix.de" Subject: [PATCH v3 01/14] Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core" Thread-Topic: [PATCH v3 01/14] Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core" Thread-Index: AQHVBLVx+XXhX3x25UKbPHfz40t5NA== Date: Tue, 7 May 2019 09:15:41 +0000 Message-ID: <1557249513-4903-2-git-send-email-yibin.gong@nxp.com> References: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> In-Reply-To: <1557249513-4903-1-git-send-email-yibin.gong@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR04CA0088.apcprd04.prod.outlook.com (2603:1096:202:15::32) To VI1PR04MB4543.eurprd04.prod.outlook.com (2603:10a6:803:6d::26) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yibin.gong@nxp.com; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org There are two ways for SDMA accessing SPBA devices: one is SDMA->AIPS ->SPBA(masterA port), another is SDMA->SPBA(masterC port). Please refer to the 'Figure 58-1. i.MX 6Dual/6Quad SPBA connectivity' of i.mx6DQ Reference Manual. SDMA provide the corresponding app_2_mcu/mcu_2_app and shp_2_mcu/mcu_2_shp script for such two options. So both AIPS and SPBA scripts should keep the same behaviour, the issue only caught in AIPS script sounds not solide. The issue is more likely as the ecspi errata ERR009165(http://www.nxp.com/docs/en/errata/IMX6DQCE.pdf): eCSPI: TXFIFO empty flag glitch can cause the current FIFO transfer to be sent twice So revert commit 'df07101e1c4a' firstly. Signed-off-by: Robin Gong --- arch/arm/boot/dts/imx6q.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi index d038f41..7175898 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -172,7 +172,7 @@ clocks = <&clks IMX6Q_CLK_ECSPI5>, <&clks IMX6Q_CLK_ECSPI5>; clock-names = "ipg", "per"; - dmas = <&sdma 11 8 1>, <&sdma 12 8 2>; + dmas = <&sdma 11 7 1>, <&sdma 12 7 2>; dma-names = "rx", "tx"; status = "disabled"; }; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel