From 1e070a60997f5bbaadd498c34380e2aa110336cf Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 12 Jan 2011 13:14:37 +0100 Subject: [PATCH] dmaengine i.MX dma: set maximum segment size for our device Signed-off-by: Sascha Hauer --- drivers/dma/imx-dma.c | 4 ++++ 1 file changed, 4 insertions(+) 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");