From 491e9d409629964457d094ac2b99e319d428dd1d Mon Sep 17 00:00:00 2001 From: Radhey Shyam Pandey Date: Mon, 7 Aug 2023 11:21:43 +0530 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/1691387509-2113129-5-git-send-email-radhey.shyam.pandey@amd.com Signed-off-by: Vinod Koul --- 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 fa31cd0..9bdce8f 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 */ -- 2.7.4