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Groups > linux.kernel > #1732508
| From | Nicolin Chen <nicoleotsuka@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2] dmaengine: imx-sdma: Correct src_addr_widths and directions |
| Date | 2017-09-14 20:50 +0200 |
| Message-ID | <upHn4-e8-11@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
The driver already supports DMA_DEV_TO_DEV in sdma_config(), DMA_SLAVE_BUSWIDTH_2_BYTES and DMA_SLAVE_BUSWIDTH_1_BYTE in sdma_prep_slave_sg(). So this patch adds them to the lists. Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com> --- drivers/dma/imx-sdma.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index a67ec1b..2184881 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -178,6 +178,14 @@ #define SDMA_WATERMARK_LEVEL_HWE BIT(29) #define SDMA_WATERMARK_LEVEL_CONT BIT(31) +#define SDMA_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) + +#define SDMA_DMA_DIRECTIONS (BIT(DMA_DEV_TO_MEM) | \ + BIT(DMA_MEM_TO_DEV) | \ + BIT(DMA_DEV_TO_DEV)) + /* * Mode/Count of data node descriptors - IPCv2 */ @@ -1851,9 +1859,9 @@ static int sdma_probe(struct platform_device *pdev) sdma->dma_device.device_prep_dma_cyclic = sdma_prep_dma_cyclic; sdma->dma_device.device_config = sdma_config; sdma->dma_device.device_terminate_all = sdma_disable_channel_with_delay; - sdma->dma_device.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); - sdma->dma_device.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); - sdma->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + sdma->dma_device.src_addr_widths = SDMA_DMA_BUSWIDTHS; + sdma->dma_device.dst_addr_widths = SDMA_DMA_BUSWIDTHS; + sdma->dma_device.directions = SDMA_DMA_DIRECTIONS; sdma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT; sdma->dma_device.device_issue_pending = sdma_issue_pending; sdma->dma_device.dev->dma_parms = &sdma->dma_parms; -- 2.1.4
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[PATCH v2] dmaengine: imx-sdma: Correct src_addr_widths and directions Nicolin Chen <nicoleotsuka@gmail.com> - 2017-09-14 20:50 +0200
Re: [PATCH v2] dmaengine: imx-sdma: Correct src_addr_widths and directions Fabio Estevam <festevam@gmail.com> - 2017-09-14 21:50 +0200
Re: [PATCH v2] dmaengine: imx-sdma: Correct src_addr_widths and directions Nicolin Chen <nicoleotsuka@gmail.com> - 2017-09-14 23:50 +0200
Re: [PATCH v2] dmaengine: imx-sdma: Correct src_addr_widths and directions Vinod Koul <vinod.koul@intel.com> - 2017-09-21 19:20 +0200
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