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* [PATCH] dmaengine: rcar-hpbdma: tidyup residue_granularity
@ 2015-01-21  4:42 Kuninori Morimoto
  2015-01-21 11:07 ` Laurent Pinchart
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: Kuninori Morimoto @ 2015-01-21  4:42 UTC (permalink / raw)
  To: linux-sh

From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

The driver doesn't support residue reporting at all.
residue_granularity should be set to DMA_RESIDUE_GRANULARITY_DESCRIPTOR.
Special thanks to Laurent

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 drivers/dma/sh/rcar-hpbdma.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c
index 6fef1b9..749f26e 100644
--- a/drivers/dma/sh/rcar-hpbdma.c
+++ b/drivers/dma/sh/rcar-hpbdma.c
@@ -600,7 +600,7 @@ static int hpb_dmae_probe(struct platform_device *pdev)
 	dma_dev->src_addr_widths = widths;
 	dma_dev->dst_addr_widths = widths;
 	dma_dev->directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM);
-	dma_dev->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
+	dma_dev->residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR;
 
 	hpbdev->shdma_dev.ops = &hpb_dmae_ops;
 	hpbdev->shdma_dev.desc_size = sizeof(struct hpb_desc);
-- 
1.7.9.5


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2015-01-26  6:52 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-01-21  4:42 [PATCH] dmaengine: rcar-hpbdma: tidyup residue_granularity Kuninori Morimoto
2015-01-21 11:07 ` Laurent Pinchart
2015-01-22  0:24 ` Kuninori Morimoto
2015-01-22  0:28 ` Laurent Pinchart
2015-01-26  6:38 ` Vinod Koul
2015-01-26  6:52 ` Kuninori Morimoto

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