Commit ecb9b424 authored by Robert Jarzmik's avatar Robert Jarzmik Committed by Vinod Koul
Browse files

dmaengine: mmp_pdma: fix warning about slave caps 



Fix the dmaengine complaint about missing slave caps :
 - declare the available bus widths
 - declare the available transfer types
 - declare the residue calculation type

Signed-off-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 90b1047f

drivers/dma/mmp_pdma.c

+7 −0
Original line number Diff line number Diff line
@@ -1002,6 +1002,9 @@ static int mmp_pdma_probe(struct platform_device *op) 
	struct resource *iores;

	int i, ret, irq = 0;

	int dma_channels = 0, irq_num = 0;

	const enum dma_slave_buswidth widths =

		DMA_SLAVE_BUSWIDTH_1_BYTE   | DMA_SLAVE_BUSWIDTH_2_BYTES |

		DMA_SLAVE_BUSWIDTH_4_BYTES;



	pdev = devm_kzalloc(&op->dev, sizeof(*pdev), GFP_KERNEL);

	if (!pdev)
@@ -1069,6 +1072,10 @@ static int mmp_pdma_probe(struct platform_device *op) 
	pdev->device.device_config = mmp_pdma_config;

	pdev->device.device_terminate_all = mmp_pdma_terminate_all;

	pdev->device.copy_align = PDMA_ALIGNMENT;

	pdev->device.src_addr_widths = widths;

	pdev->device.dst_addr_widths = widths;

	pdev->device.directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM);

	pdev->device.residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR;



	if (pdev->dev->coherent_dma_mask)

		dma_set_mask(pdev->dev, pdev->dev->coherent_dma_mask);

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