From: robert.jarzmik@free.fr (Robert Jarzmik)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/3] dmaengine: pxa_dma: declare transfer are reusable
Date: Tue, 13 Oct 2015 21:54:30 +0200 [thread overview]
Message-ID: <1444766070-26915-3-git-send-email-robert.jarzmik@free.fr> (raw)
In-Reply-To: <1444766070-26915-1-git-send-email-robert.jarzmik@free.fr>
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 fc4156afa070..f2a0310ae771 100644
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c
@@ -1414,6 +1414,7 @@ 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
next prev parent reply other threads:[~2015-10-13 19:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-13 19:54 [PATCH v2 1/3] dmaengine: virt-dma: don't always free descriptor upon completion Robert Jarzmik
2015-10-13 19:54 ` [PATCH v2 2/3] dmaengine: enable DMA_CTRL_REUSE Robert Jarzmik
2015-10-13 19:54 ` Robert Jarzmik [this message]
2015-10-24 9:57 ` [PATCH v2 1/3] dmaengine: virt-dma: don't always free descriptor upon completion Robert Jarzmik
2015-10-29 1:54 ` Vinod Koul
2015-10-29 6:28 ` Robert Jarzmik
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