The `copy_align` property is a generic property that describes alignment for DMA memcpy & sg ops. It serves mostly an informational purpose, and can be used in DMA tests, to pass the info to know what alignment to expect. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> --- Changelog v1 -> v2: * re-applied & moved the `copy_align` assignment; apparently it was conflicting with another patch from another series drivers/dma/dma-axi-dmac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index ffc0adc2f6ce..5ec223ff7e1a 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -666,6 +666,7 @@ static int axi_dmac_probe(struct platform_device *pdev) dma_dev->dst_addr_widths = BIT(dmac->chan.dest_width); dma_dev->directions = BIT(dmac->chan.direction); dma_dev->residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR; + dma_dev->copy_align = (dmac->chan.address_align_mask + 1); INIT_LIST_HEAD(&dma_dev->channels); dmac->chan.vchan.desc_free = axi_dmac_desc_free; -- 2.17.1