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Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (20.179.232.15) by VE1PR04MB6621.eurprd04.prod.outlook.com (20.179.234.213) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2793.17; Tue, 10 Mar 2020 03:30:46 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::490:6caa:24b:4a31]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::490:6caa:24b:4a31%6]) with mapi id 15.20.2793.013; Tue, 10 Mar 2020 03:30:46 +0000 From: Robin Gong To: s.hauer@pengutronix.de, vkoul@kernel.org, shawnguo@kernel.org, u.kleine-koenig@pengutronix.de, broonie@kernel.org, robh+dt@kernel.org, festevam@gmail.com, dan.j.williams@intel.com, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, l.stach@pengutronix.de, martin.fuzzey@flowbird.group Subject: [RESEND v6 02/13] Revert "ARM: dts: imx6: Use correct SDMA script for SPI cores" Date: Tue, 10 Mar 2020 19:31:51 +0800 Message-Id: <1583839922-22699-3-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1583839922-22699-1-git-send-email-yibin.gong@nxp.com> References: <1583839922-22699-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR06CA0241.apcprd06.prod.outlook.com (2603:1096:4:ac::25) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.66) by SG2PR06CA0241.apcprd06.prod.outlook.com (2603:1096:4:ac::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.2793.15 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: LCXbIRzOsYpFKIX9SWwMcbVFqADRgGqGUu38izS3iQGZetZhm7WqXU0G/QXzvcpxbH5Qag+zdT7BC5dm/eDEte+iZ1d9pQ5+I3tVpB+Am2PqREOb1VTJ1kQ6YlAn/qUD9UT7xOplSXF/RSQ4ohGvCg== X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 30fe8fdc-921c-431e-9a7c-08d7c4a36bc2 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Mar 2020 03:30:46.6821 (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-CrossTenant-UserPrincipalName: QB4KJDvFqgpNU1yQLojGnaOD7MFiY3h7OUTf+CHfIcsTC5OxZQNnBUHdwqtEzVGhj8V7dBukhR5S8Mt0/tOrXw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6621 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200309_203049_339467_5BB41E9B X-CRM114-Status: GOOD ( 10.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; 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 '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 70fb8b5..ff197b5 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -337,7 +337,7 @@ 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"; }; @@ -351,7 +351,7 @@ 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"; }; @@ -365,7 +365,7 @@ 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"; }; @@ -379,7 +379,7 @@ 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"; }; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel