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> --- drivers/dma/dma-axi-dmac.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index 74ae6246d9a5..d5e29bbc3d43 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -763,6 +763,8 @@ static int axi_dmac_probe(struct platform_device *pdev) if (ret) goto err_clk_disable; + dma_dev->copy_align = (dmac->chan.address_align_mask + 1); + axi_dmac_write(dmac, AXI_DMAC_REG_IRQ_MASK, 0x00); ret = dma_async_device_register(dma_dev); -- 2.17.1
