[PATCH 3/3] dmaengine: pxa_dma: declare transfer are reusable
From: robert.jarzmik@free.fr (Robert Jarzmik)
Date: 2015-09-06 11:46:46
Also in:
lkml
Subsystem:
dma generic offload engine subsystem, pxa2xx/pxa3xx support, the rest · Maintainers:
Vinod Koul, Daniel Mack, Haojian Zhuang, Robert Jarzmik, Linus Torvalds
As this driver provides a mechanism to reuse transfers, declare it in its probe function. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> --- drivers/dma/pxa_dma.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
index ddcbbf5cd9e9..bb85cd7b5b70 100644
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c@@ -1396,6 +1396,7 @@ static int pxad_probe(struct platform_device *op) pdev->slave.dst_addr_widths = widths; pdev->slave.directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM); pdev->slave.residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR; + pdev->slave.descriptor_reuse = true; pdev->slave.dev = &op->dev; ret = pxad_init_dmadev(op, pdev, dma_channels);
--
2.1.4