[PATCH 4/5] dmaengine: xilinx_dma: Increase AXI DMA transaction segment count
Sarath Babu Naidu Gaddam
sarath.babu.naidu.gaddam at amd.com
Thu Oct 27 22:09:39 PDT 2022
From: Radhey Shyam Pandey <radhey.shyam.pandey at xilinx.com>
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 at xilinx.com>
Signed-off-by: Sarath Babu Naidu Gaddam <sarath.babu.naidu.gaddam at amd.com>
---
drivers/dma/xilinx/xilinx_dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index b69e0482a50f..43737e0f3625 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 */
--
2.25.1
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