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| author | M'boumba Cedric Madianga <cedric.madianga@gmail.com> | 2016-12-13 14:40:51 +0100 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-01-03 04:53:23 +0100 |
| commit | 276b0046ff7765c1d42ed48c67b4b5f3b50ea461 (patch) | |
| tree | 82e3cc1c95c60eebcd71de9d036e821ae9b64c2a /drivers/dma | |
| parent | dmaengine: stm32-dma: Add synchronization support (diff) | |
| download | linux-276b0046ff7765c1d42ed48c67b4b5f3b50ea461.tar.xz linux-276b0046ff7765c1d42ed48c67b4b5f3b50ea461.zip | |
dmaengine: stm32-dma: Add max_burst support
This patch sets the max_burst value supported by the STM32 DMA
Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/stm32-dma.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c index 53b2ee79cc0e..fc9738e0f3a3 100644 --- a/drivers/dma/stm32-dma.c +++ b/drivers/dma/stm32-dma.c @@ -114,6 +114,7 @@ #define STM32_DMA_MAX_CHANNELS 0x08 #define STM32_DMA_MAX_REQUEST_ID 0x08 #define STM32_DMA_MAX_DATA_PARAM 0x03 +#define STM32_DMA_MAX_BURST 16 enum stm32_dma_width { STM32_DMA_BYTE, @@ -1082,6 +1083,7 @@ static int stm32_dma_probe(struct platform_device *pdev) BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); dd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); dd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; + dd->max_burst = STM32_DMA_MAX_BURST; dd->dev = &pdev->dev; INIT_LIST_HEAD(&dd->channels); |