linux-kernel - [PATCH 1/3] rcar-hpbdma: add max transfer size

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Date:	Mon, 28 Oct 2013 23:52:01 -0700 (PDT)
From:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:	"Koul, Vinod" <vinod.koul@...el.com>
Cc:	Simon <horms@...ge.net.au>,
	Max Filippov <max.filippov@...entembedded.com>,
	Magnus <magnus.damm@...il.com>, linux-sh@...r.kernel.org,
	Kuninori Morimoto <kuninori.morimoto.gx@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] rcar-hpbdma: add max transfer size

shdma_chan_probe() can set max transfer size,
but it will be PAGE_SIZE with out this patch.

Reviewed-by: Max Filippov <max.filippov@...entembedded.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
---
 drivers/dma/sh/rcar-hpbdma.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c
index ebad845..496180a 100644
--- a/drivers/dma/sh/rcar-hpbdma.c
+++ b/drivers/dma/sh/rcar-hpbdma.c
@@ -510,6 +510,8 @@ static int hpb_dmae_chan_probe(struct hpb_dmae_device *hpbdev, int id)
 	}
 
 	schan = &new_hpb_chan->shdma_chan;
+	schan->max_xfer_len = HPB_DMA_TCR_MAX;
+
 	shdma_chan_probe(sdev, schan, id);
 
 	if (pdev->id >= 0)
-- 
1.7.9.5

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