Messages in this thread Patch in this message |  | | From | Radhey Shyam Pandey <> | Subject | [RFC 3/6] dmaengine: xilinx_dma: Increase AXI DMA transaction segment count | Date | Mon, 2 Apr 2018 16:09:03 +0530 |
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Increase AXI DMA transaction segments count to ensure that even in high load we always get a free segment in prepare descriptor for a DMA_SLAVE transaction.
Signed-off-by: Radhey Shyam Pandey <radheys@xilinx.com> --- drivers/dma/xilinx/xilinx_dma.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 16fee30..36e1ab9 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -165,7 +165,7 @@ #define XILINX_DMA_BD_SOP BIT(27) #define XILINX_DMA_BD_EOP BIT(26) #define XILINX_DMA_COALESCE_MAX 255 -#define XILINX_DMA_NUM_DESCS 255 +#define XILINX_DMA_NUM_DESCS 512 #define XILINX_DMA_NUM_APP_WORDS 5 /* Multi-Channel DMA Descriptor offsets*/ -- 1.7.1
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