dmaengine i.MX sdma: set maximum segment size for our device

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index d5a5d4d9c19bb9efc3dd084e2961fd99d1d098f6..c50305043f15f37d3a0133334d91003b67501856 100644 (file)
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -301,6 +301,7 @@ struct sdma_firmware_header {
 
 struct sdma_engine {
        struct device                   *dev;
+       struct device_dma_parameters    dma_parms;
        struct sdma_channel             channel[MAX_DMA_CHANNELS];
        struct sdma_channel_control     *channel_control;
        void __iomem                    *regs;
@@ -1317,6 +1318,8 @@ static int __init sdma_probe(struct platform_device *pdev)
        sdma->dma_device.device_prep_dma_cyclic = sdma_prep_dma_cyclic;
        sdma->dma_device.device_control = sdma_control;
        sdma->dma_device.device_issue_pending = sdma_issue_pending;
+       sdma->dma_device.dev->dma_parms = &sdma->dma_parms;
+       dma_set_max_seg_size(sdma->dma_device.dev, 65535);
 
        ret = dma_async_device_register(&sdma->dma_device);
        if (ret) {