Messages in this thread Patch in this message | | | From | Lubomir Rintel <> | Subject | [PATCH 6/7] dmaengine: mmp_tdma: Fill in slave capabilities | Date | Sun, 19 Apr 2020 18:49:11 +0200 |
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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> --- drivers/dma/mmp_tdma.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 191640f26246d..38f2298879881 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -725,6 +725,17 @@ 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); -- 2.26.0
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