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authorSascha Hauer <s.hauer@pengutronix.de>2011-01-12 13:14:37 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-01-31 12:35:52 +0100
commit1e070a60997f5bbaadd498c34380e2aa110336cf (patch)
treea590491c8bcc33851553b5d70cfa4eb2ae4640be
parentLinux 2.6.38-rc2 (diff)
downloadlinux-1e070a60997f5bbaadd498c34380e2aa110336cf.tar.xz
linux-1e070a60997f5bbaadd498c34380e2aa110336cf.zip
dmaengine i.MX dma: set maximum segment size for our device
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--drivers/dma/imx-dma.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index e53d438142bb..a46e1d9fa3e4 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -49,6 +49,7 @@ struct imxdma_channel {
struct imxdma_engine {
struct device *dev;
+ struct device_dma_parameters dma_parms;
struct dma_device dma_device;
struct imxdma_channel channel[MAX_DMA_CHANNELS];
};
@@ -370,6 +371,9 @@ static int __init imxdma_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, imxdma);
+ imxdma->dma_device.dev->dma_parms = &imxdma->dma_parms;
+ dma_set_max_seg_size(imxdma->dma_device.dev, 0xffffff);
+
ret = dma_async_device_register(&imxdma->dma_device);
if (ret) {
dev_err(&pdev->dev, "unable to register\n");