Messages in this thread Patch in this message | | | From | Laxman Dewangan <> | Subject | [PATCH 1/2] dma: tegra: set DMA_CYCLIC capability | Date | Fri, 22 Jun 2012 17:12:43 +0530 |
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Tegra's APB DMA driver support the cyclic mode of data transfer and hence setting the DMA_CYCLIC caps for dma channels.
This is require when generic sound dmaengine pcm driver request for dma channel with CYCLIC capability.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> --- drivers/dma/tegra20-apb-dma.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index 134ea7c..b4bd50c 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -1306,6 +1306,8 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev) dma_cap_set(DMA_SLAVE, tdma->dma_dev.cap_mask); dma_cap_set(DMA_PRIVATE, tdma->dma_dev.cap_mask); + dma_cap_set(DMA_CYCLIC, tdma->dma_dev.cap_mask); + tdma->dma_dev.dev = &pdev->dev; tdma->dma_dev.device_alloc_chan_resources = tegra_dma_alloc_chan_resources; -- 1.7.1.1
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