dmaengine: axi-dmac: assign `copy_align` property

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@analog.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
index 74ae624..d5e29bb 100644 (file)
--- 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);