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Subject[PATCH 1/5] dmaengine i.MX sdma: set maximum segment size for our device
Date
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/dma/imx-sdma.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index d5a5d4d..c503050 100644
--- 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) {
--
1.7.2.3


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