dmaengine: jz4740: Define capabilities
Setup the capabilities of the device/driver, so that users of the DMAengine API can query them. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -511,6 +511,9 @@ static void jz4740_dma_desc_free(struct virt_dma_desc *vdesc)
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kfree(container_of(vdesc, struct jz4740_dma_desc, vdesc));
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kfree(container_of(vdesc, struct jz4740_dma_desc, vdesc));
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}
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}
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#define JZ4740_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
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BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))
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static int jz4740_dma_probe(struct platform_device *pdev)
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static int jz4740_dma_probe(struct platform_device *pdev)
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{
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{
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struct jz4740_dmaengine_chan *chan;
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struct jz4740_dmaengine_chan *chan;
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@ -548,6 +551,10 @@ static int jz4740_dma_probe(struct platform_device *pdev)
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dd->device_prep_dma_cyclic = jz4740_dma_prep_dma_cyclic;
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dd->device_prep_dma_cyclic = jz4740_dma_prep_dma_cyclic;
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dd->device_config = jz4740_dma_slave_config;
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dd->device_config = jz4740_dma_slave_config;
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dd->device_terminate_all = jz4740_dma_terminate_all;
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dd->device_terminate_all = jz4740_dma_terminate_all;
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dd->src_addr_widths = JZ4740_DMA_BUSWIDTHS;
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dd->dst_addr_widths = JZ4740_DMA_BUSWIDTHS;
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dd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
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dd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
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dd->dev = &pdev->dev;
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dd->dev = &pdev->dev;
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INIT_LIST_HEAD(&dd->channels);
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INIT_LIST_HEAD(&dd->channels);
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