This patch sets the max_burst value supported by the STM32 DMA
Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@xxxxxxxxx>
---
drivers/dma/stm32-dma.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
index b7be43a..49f86ca 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,
@@ -1084,6 +1085,7 @@ 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);
--
1.9.1
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