dma: 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 <[email protected]>
analogdevicesinc · Nov 20, 2018 · bc30b52 · bc30b52
1 parent 840d6d8
commit bc30b52
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
@@ -903,6 +903,8 @@ 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);