From: Frank Li <Frank.Li@nxp.com> To: Vinod Koul <vkoul@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Joy Zou <joy.zou@nxp.com> Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, Frank Li <Frank.Li@nxp.com>, Shengjiu Wang <shengjiu.wang@nxp.com>, Vipul Kumar <vipul_kumar@mentor.com>, Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>, Robin Gong <yibin.gong@nxp.com>, Daniel Baluta <daniel.baluta@nxp.com> Subject: [PATCH v3 2/5] dmaengine: imx-sdma: Support 24bit/3bytes for sg mode Date: Mon, 18 Mar 2024 16:44:35 -0400 [thread overview] Message-ID: <20240318-sdma_upstream-v3-2-da37ddd44d49@nxp.com> (raw) In-Reply-To: <20240318-sdma_upstream-v3-0-da37ddd44d49@nxp.com> From: Shengjiu Wang <shengjiu.wang@nxp.com> Update 3bytes buswidth that is supported by sdma. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com> Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com> Acked-by: Robin Gong <yibin.gong@nxp.com> Reviewed-by: Joy Zou <joy.zou@nxp.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> Signed-off-by: Frank Li <Frank.Li@nxp.com> --- drivers/dma/imx-sdma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 4f1a9d1b152d6..6be4c1e441266 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -176,6 +176,7 @@ #define SDMA_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) #define SDMA_DMA_DIRECTIONS (BIT(DMA_DEV_TO_MEM) | \ @@ -1658,6 +1659,9 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg( if (count & 3 || sg->dma_address & 3) goto err_bd_out; break; + case DMA_SLAVE_BUSWIDTH_3_BYTES: + bd->mode.command = 3; + break; case DMA_SLAVE_BUSWIDTH_2_BYTES: bd->mode.command = 2; if (count & 1 || sg->dma_address & 1) -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Frank Li <Frank.Li@nxp.com> To: Vinod Koul <vkoul@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Joy Zou <joy.zou@nxp.com> Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, Frank Li <Frank.Li@nxp.com>, Shengjiu Wang <shengjiu.wang@nxp.com>, Vipul Kumar <vipul_kumar@mentor.com>, Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>, Robin Gong <yibin.gong@nxp.com>, Daniel Baluta <daniel.baluta@nxp.com> Subject: [PATCH v3 2/5] dmaengine: imx-sdma: Support 24bit/3bytes for sg mode Date: Mon, 18 Mar 2024 16:44:35 -0400 [thread overview] Message-ID: <20240318-sdma_upstream-v3-2-da37ddd44d49@nxp.com> (raw) In-Reply-To: <20240318-sdma_upstream-v3-0-da37ddd44d49@nxp.com> From: Shengjiu Wang <shengjiu.wang@nxp.com> Update 3bytes buswidth that is supported by sdma. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com> Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com> Acked-by: Robin Gong <yibin.gong@nxp.com> Reviewed-by: Joy Zou <joy.zou@nxp.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> Signed-off-by: Frank Li <Frank.Li@nxp.com> --- drivers/dma/imx-sdma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 4f1a9d1b152d6..6be4c1e441266 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -176,6 +176,7 @@ #define SDMA_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) #define SDMA_DMA_DIRECTIONS (BIT(DMA_DEV_TO_MEM) | \ @@ -1658,6 +1659,9 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg( if (count & 3 || sg->dma_address & 3) goto err_bd_out; break; + case DMA_SLAVE_BUSWIDTH_3_BYTES: + bd->mode.command = 3; + break; case DMA_SLAVE_BUSWIDTH_2_BYTES: bd->mode.command = 2; if (count & 1 || sg->dma_address & 1) -- 2.34.1 _______________________________________________ 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:[~2024-03-18 20:45 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-18 20:44 [PATCH v3 0/5] dmaengine: fsl-sdma: Some improvement for fsl-sdma Frank Li 2024-03-18 20:44 ` Frank Li 2024-03-18 20:44 ` [PATCH v3 1/5] dmaengine: imx-sdma: Support allocate memory from internal SRAM (iram) Frank Li 2024-03-18 20:44 ` Frank Li 2024-03-18 20:44 ` Frank Li [this message] 2024-03-18 20:44 ` [PATCH v3 2/5] dmaengine: imx-sdma: Support 24bit/3bytes for sg mode Frank Li 2024-03-18 20:44 ` [PATCH v3 3/5] dmaengine: imx-sdma: Add multi fifo for DEV_TO_DEV Frank Li 2024-03-18 20:44 ` Frank Li 2024-03-18 20:44 ` [PATCH v3 4/5] dt-bindings: fsl-imx-sdma: Add I2C peripheral types ID Frank Li 2024-03-18 20:44 ` Frank Li 2024-03-19 6:17 ` Krzysztof Kozlowski 2024-03-19 6:17 ` Krzysztof Kozlowski 2024-03-18 20:44 ` [PATCH v3 5/5] dmaengine: imx-sdma: Add i2c dma support Frank Li 2024-03-18 20:44 ` Frank Li
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