From 17b3cf4233d77698df0e5ff39303c145ac355d6a Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Fri, 18 Mar 2016 14:26:36 +0200 Subject: dmaengine: hsu: set maximum allowed segment size for DMA This tells, for example, IOMMU what the maximum size of a segment the DMA controller can send. Signed-off-by: Andy Shevchenko Signed-off-by: Vinod Koul --- drivers/dma/hsu/hsu.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/dma/hsu/hsu.c') diff --git a/drivers/dma/hsu/hsu.c b/drivers/dma/hsu/hsu.c index 1817b7bc9576..59d1e7c6fd0f 100644 --- a/drivers/dma/hsu/hsu.c +++ b/drivers/dma/hsu/hsu.c @@ -417,6 +417,8 @@ int hsu_dma_probe(struct hsu_dma_chip *chip) hsu->dma.dev = chip->dev; + dma_set_max_seg_size(hsu->dma.dev, HSU_CH_DxTSR_MASK); + ret = dma_async_device_register(&hsu->dma); if (ret) return ret; -- cgit v1.2.1