From: Robin Gong <yibin.gong@nxp.com> To: "robh@kernel.org" <robh@kernel.org>, "broonie@kernel.org" <broonie@kernel.org>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>, "festevam@gmail.com" <festevam@gmail.com>, "mark.rutland@arm.com" <mark.rutland@arm.com>, "vkoul@kernel.org" <vkoul@kernel.org>, "dan.j.williams@intel.com" <dan.j.williams@intel.com>, "u.kleine-koenig@pengutronix.de" <u.kleine-koenig@pengutronix.de>, "plyatov@gmail.com" <plyatov@gmail.com>, "catalin.marinas@arm.com" <catalin.marinas@arm.com>, "l.stach@pengutronix.de" <l.stach@pengutronix.de> Cc: "linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>, dl-linux-imx <linux-imx@nxp.com>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "kernel@pengutronix.de" <kernel@pengutronix.de> Subject: [PATCH v4 01/14] Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core" Date: Wed, 22 May 2019 09:59:45 +0000 [thread overview] Message-ID: <1558548188-1155-2-git-send-email-yibin.gong@nxp.com> (raw) In-Reply-To: <1558548188-1155-1-git-send-email-yibin.gong@nxp.com> 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 <yibin.gong@nxp.com> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: Robin Gong <yibin.gong@nxp.com> To: "robh@kernel.org" <robh@kernel.org>, "broonie@kernel.org" <broonie@kernel.org>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>, "festevam@gmail.com" <festevam@gmail.com>, "mark.rutland@arm.com" <mark.rutland@arm.com>, "vkoul@kernel.org" <vkoul@kernel.org>, "dan.j.williams@intel.com" <dan.j.williams@intel.com>, "u.kleine-koenig@pengutronix.de" <u.kleine-koenig@pengutronix.de>, "plyatov@gmail.com" <plyatov@gmail.com>, "catalin.marinas@arm.com" <catalin.marinas@arm.com>, "l.stach@pengutronix.de" <l.stach@pengutronix.de> Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>, dl-linux-imx <linux-imx@nxp.com>, "kernel@pengutronix.de" <kernel@pengutronix.de>, "dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: [PATCH v4 01/14] Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core" Date: Wed, 22 May 2019 09:59:45 +0000 [thread overview] Message-ID: <1558548188-1155-2-git-send-email-yibin.gong@nxp.com> (raw) In-Reply-To: <1558548188-1155-1-git-send-email-yibin.gong@nxp.com> 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 <yibin.gong@nxp.com> --- 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
next prev parent reply other threads:[~2019-05-22 9:59 UTC|newest] Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-22 9:59 [PATCH v4 00/14] add ecspi ERR009165 for i.mx6/7 soc family Robin Gong 2019-05-22 9:59 ` Robin Gong 2019-05-22 9:59 ` Robin Gong 2019-05-22 9:59 ` Robin Gong [this message] 2019-05-22 9:59 ` [PATCH v4 01/14] Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core" Robin Gong 2019-05-22 9:59 ` Robin Gong 2019-05-22 9:59 ` [PATCH v4 02/14] Revert "ARM: dts: imx6: Use correct SDMA script for SPI cores" Robin Gong 2019-05-22 9:59 ` Robin Gong 2019-05-22 9:59 ` Robin Gong 2019-05-22 9:59 ` [PATCH v4 03/14] Revert "dmaengine: imx-sdma: refine to load context only once" Robin Gong 2019-05-22 9:59 ` Robin Gong 2019-05-22 9:59 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 04/14] dmaengine: imx-sdma: remove dupilicated sdma_load_context Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 05/14] dmaengine: imx-sdma: add mcu_2_ecspi script Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 06/14] spi: imx: fix ERR009165 Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 07/14] spi: imx: remove ERR009165 workaround on i.mx6ul Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 08/14] spi: imx: add new i.mx6ul compatible name in binding doc Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 09/14] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 10/14] dma: imx-sdma: add i.mx6ul/6sx compatible name Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 13:51 ` Rob Herring 2019-05-22 13:51 ` Rob Herring 2019-05-22 13:51 ` Rob Herring 2019-05-23 2:08 ` [EXT] " Robin Gong 2019-05-23 2:08 ` Robin Gong 2019-05-23 2:08 ` Robin Gong 2019-05-23 2:08 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 11/14] dmaengine: imx-sdma: fix ecspi1 rx dma not work on i.mx8mm Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-23 5:34 ` Vinod Koul 2019-05-23 5:34 ` Vinod Koul 2019-05-23 5:34 ` Vinod Koul 2019-05-23 5:34 ` Vinod Koul 2019-05-22 10:00 ` [PATCH v4 12/14] ARM: dts: imx6ul: add dma support on ecspi Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` [PATCH v4 13/14] ARM: dts: imx6sll: correct sdma compatible Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:00 ` Robin Gong 2019-05-22 10:01 ` [PATCH v4 14/14] arm64: defconfig: Enable SDMA on i.mx8mq/8mm Robin Gong 2019-05-22 10:01 ` Robin Gong 2019-05-22 10:01 ` Robin Gong 2019-05-22 10:10 ` [PATCH v4 00/14] add ecspi ERR009165 for i.mx6/7 soc family Lucas Stach 2019-05-22 10:10 ` Lucas Stach 2019-05-22 10:10 ` Lucas Stach
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