dmaengine: xilinx_dma: Increase AXI DMA transaction segment count

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@amd.com>
Link: https://lore.kernel.org/r/1691387509-2113129-5-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index fa31cd0..9bdce8f 100644 (file)
--- 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 */