From patchwork Wed May 22 09:59:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 10955449 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 954CC1390 for ; Wed, 22 May 2019 10:00:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 85CBD28B4D for ; Wed, 22 May 2019 10:00:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 783DF28B51; Wed, 22 May 2019 10:00:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE7A728B4D for ; 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Wed, 22 May 2019 09:59:51 +0000 Received: from VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5062:df97:a70b:93f8]) by VI1PR04MB4543.eurprd04.prod.outlook.com ([fe80::5062:df97:a70b:93f8%7]) with mapi id 15.20.1900.020; Wed, 22 May 2019 09:59:51 +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" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "catalin.marinas@arm.com" , "l.stach@pengutronix.de" CC: "linux-spi@vger.kernel.org" , dl-linux-imx , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "dmaengine@vger.kernel.org" , "devicetree@vger.kernel.org" , "kernel@pengutronix.de" Subject: [PATCH v4 02/14] Revert "ARM: dts: imx6: Use correct SDMA script for SPI cores" Thread-Topic: [PATCH v4 02/14] Revert "ARM: dts: imx6: Use correct SDMA script for SPI cores" Thread-Index: AQHVEIUYElHsYfR94EmpIUmwMYIUBg== Date: Wed, 22 May 2019 09:59:50 +0000 Message-ID: <1558548188-1155-3-git-send-email-yibin.gong@nxp.com> References: <1558548188-1155-1-git-send-email-yibin.gong@nxp.com> In-Reply-To: <1558548188-1155-1-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: HK2PR04CA0045.apcprd04.prod.outlook.com (2603:1096:202:14::13) To VI1PR04MB4543.eurprd04.prod.outlook.com (2603:10a6:803:6d::26) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yibin.gong@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: ec8c42f5-3dec-48e2-badc-08d6de9c3afa x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020);SRVR:VI1PR04MB3103; x-ms-traffictypediagnostic: VI1PR04MB3103: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:660; x-forefront-prvs: 0045236D47 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(366004)(189003)(199004)(68736007)(81166006)(2201001)(2501003)(52116002)(71200400001)(14454004)(186003)(256004)(14444005)(26005)(53936002)(7736002)(25786009)(81156014)(305945005)(8936002)(4326008)(86362001)(8676002)(50226002)(71190400001)(486006)(6512007)(6306002)(5660300002)(6436002)(66946007)(73956011)(498600001)(446003)(66446008)(66066001)(66476007)(64756008)(66556008)(3846002)(6116002)(99286004)(386003)(6506007)(2906002)(54906003)(76176011)(36756003)(11346002)(110136005)(7416002)(2616005)(6486002)(102836004)(476003)(921003)(1121003);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR04MB3103;H:VI1PR04MB4543.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: RZPDISVh5kH+VkS01i3XO7zrFF5XghTysaBz1MTwZ5kqSlco29or0BXp6F+2WTdM10cUzto/CBPxu09XAualtRaJaXRB/KIHGj6CFk+VuJEV9+GHAe3HWw19jYHr1HtAlRUtoES0xe+1JQ215Ux2Zr7rjEYgdbvSiQcV6+Meee+CooMVj4etAfBevUIP4vEWwHLzlunOR6zLEQAnQy8rGUQ5bYwe6fREim3CdcGdsMKRbHfWI/zR/wIU/5pF6Y9QUuXN5KvBg5WAmUFP3uTEznzaXBT4ZRryZuKtcf1qXbH7Ng+z49fwJU2T0wITwkOy3QJo8rmui8WC+zn2dkOIjDgO+iZw88DMkmIjRHy495zQU45VLdSpj8ongWD7RjziMWN3HYfyRpQnxrVIasrjiShuUSCbp2t4aLwruQyHQT8= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ec8c42f5-3dec-48e2-badc-08d6de9c3afa X-MS-Exchange-CrossTenant-originalarrivaltime: 22 May 2019 09:59:50.8726 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB3103 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 'dd4b487b32a3' firstly. Signed-off-by: Robin Gong --- arch/arm/boot/dts/imx6qdl.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index b3a77bc..a90f217 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -339,7 +339,7 @@ clocks = <&clks IMX6QDL_CLK_ECSPI1>, <&clks IMX6QDL_CLK_ECSPI1>; clock-names = "ipg", "per"; - dmas = <&sdma 3 8 1>, <&sdma 4 8 2>; + dmas = <&sdma 3 7 1>, <&sdma 4 7 2>; dma-names = "rx", "tx"; status = "disabled"; }; @@ -353,7 +353,7 @@ clocks = <&clks IMX6QDL_CLK_ECSPI2>, <&clks IMX6QDL_CLK_ECSPI2>; clock-names = "ipg", "per"; - dmas = <&sdma 5 8 1>, <&sdma 6 8 2>; + dmas = <&sdma 5 7 1>, <&sdma 6 7 2>; dma-names = "rx", "tx"; status = "disabled"; }; @@ -367,7 +367,7 @@ clocks = <&clks IMX6QDL_CLK_ECSPI3>, <&clks IMX6QDL_CLK_ECSPI3>; clock-names = "ipg", "per"; - dmas = <&sdma 7 8 1>, <&sdma 8 8 2>; + dmas = <&sdma 7 7 1>, <&sdma 8 7 2>; dma-names = "rx", "tx"; status = "disabled"; }; @@ -381,7 +381,7 @@ clocks = <&clks IMX6QDL_CLK_ECSPI4>, <&clks IMX6QDL_CLK_ECSPI4>; clock-names = "ipg", "per"; - dmas = <&sdma 9 8 1>, <&sdma 10 8 2>; + dmas = <&sdma 9 7 1>, <&sdma 10 7 2>; dma-names = "rx", "tx"; status = "disabled"; };