Commit baed6b34 authored by Lubomir Rintel's avatar Lubomir Rintel Committed by Vinod Koul
Browse files

dmaengine: mmp_tdma: Fill in slave capabilities 



This makes dma_get_slave_caps() work with the device so that it could
actually be used with soc-generic-dmaengine-pcm.

Signed-off-by: default avatarLubomir Rintel <lkundrak@v3.sk>
Link: https://lore.kernel.org/r/20200419164912.670973-7-lkundrak@v3.sk


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 4719d4b7

drivers/dma/mmp_tdma.c

+11 −0
Original line number Diff line number Diff line
@@ -703,6 +703,17 @@ static int mmp_tdma_probe(struct platform_device *pdev) 
	tdev->device.device_terminate_all = mmp_tdma_terminate_all;

	tdev->device.copy_align = DMAENGINE_ALIGN_8_BYTES;



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

	if (type == MMP_AUD_TDMA) {

		tdev->device.max_burst = SZ_128;

		tdev->device.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);

		tdev->device.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);

	} else if (type == PXA910_SQU) {

		tdev->device.max_burst = SZ_32;

	}

	tdev->device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;

	tdev->device.descriptor_reuse = true;



	dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));

	platform_set_drvdata(pdev, tdev);