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dmaengine: mmp_tdma: Fill in slave capabilities

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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: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lore.kernel.org/r/20200419164912.670973-7-lkundrak@v3.sk
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Lubomir Rintel 2020-04-19 18:49:11 +02:00 committed by Vinod Koul
parent 4719d4b715
commit baed6b34ce
1 changed files with 11 additions and 0 deletions
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11
drivers/dma/mmp_tdma.c
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@ -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);