[PATCH 1/4] dmaengine i.MX dma: set maximum segment size for our device

Sascha Hauer
2011-01-31T12:00:57Z

drivers/dma/imx-dma.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index e53d438..a46e1d9 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");
--
1.7.2.3