Message ID | 1617990965-35337-5-git-send-email-radhey.shyam.pandey@xilinx.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Series |
Xilinx DMA enhancements and optimization
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expand
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diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 14dcfc473e52..890bf46b36e5 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -178,7 +178,7 @@ #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 /* AXI CDMA Specific Registers/Offsets */
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 <radhey.shyam.pandey@xilinx.com> --- Changes for v2: - None --- drivers/dma/xilinx/xilinx_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)