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[RFC,3/6] dmaengine: xilinx_dma: Increase AXI DMA transaction segment count

Message ID 1522665546-10035-4-git-send-email-radheys@xilinx.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Radhey Shyam Pandey April 2, 2018, 10:39 a.m. UTC 
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(-)
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Patch

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*/