Commit ca766839 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Vinod Koul
Browse files

dmaengine: jz4740: Define capabilities 



Setup the capabilities of the device/driver, so that users of the DMAengine API
can query them.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent bc465aa9

drivers/dma/dma-jz4740.c

+7 −0
Original line number Diff line number Diff line
@@ -511,6 +511,9 @@ static void jz4740_dma_desc_free(struct virt_dma_desc *vdesc) 
	kfree(container_of(vdesc, struct jz4740_dma_desc, vdesc));

}



#define JZ4740_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \

	BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))



static int jz4740_dma_probe(struct platform_device *pdev)

{

	struct jz4740_dmaengine_chan *chan;
@@ -548,6 +551,10 @@ static int jz4740_dma_probe(struct platform_device *pdev) 
	dd->device_prep_dma_cyclic = jz4740_dma_prep_dma_cyclic;

	dd->device_config = jz4740_dma_slave_config;

	dd->device_terminate_all = jz4740_dma_terminate_all;

	dd->src_addr_widths = JZ4740_DMA_BUSWIDTHS;

	dd->dst_addr_widths = JZ4740_DMA_BUSWIDTHS;

	dd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);

	dd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;

	dd->dev = &pdev->dev;

	INIT_LIST_HEAD(&dd->channels);