From c454d16a7d5a9af88b844d98bec50d2363c19941 Mon Sep 17 00:00:00 2001 From: Pandith N Date: Mon, 2 Aug 2021 11:24:54 +0530 Subject: [PATCH] dmaengine: dw-axi-dmac: Burst length settings Burst length, DMA HW capability set in dt-binding is now used in driver. Signed-off-by: Pandith N Tested-by: Pan Kris Link: https://lore.kernel.org/r/20210802055454.15192-4-pandith.n@intel.com Signed-off-by: Vinod Koul --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 3edc647..35993ab 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -1290,7 +1290,7 @@ static int parse_device_properties(struct axi_dma_chip *chip) return -EINVAL; chip->dw->hdata->restrict_axi_burst_len = true; - chip->dw->hdata->axi_rw_burst_len = tmp - 1; + chip->dw->hdata->axi_rw_burst_len = tmp; } return 0; @@ -1379,6 +1379,7 @@ static int dw_probe(struct platform_device *pdev) /* DMA capabilities */ dw->dma.chancnt = hdata->nr_channels; + dw->dma.max_burst = hdata->axi_rw_burst_len; dw->dma.src_addr_widths = AXI_DMA_BUSWIDTHS; dw->dma.dst_addr_widths = AXI_DMA_BUSWIDTHS; dw->dma.directions = BIT(DMA_MEM_TO_MEM); -- 2.7.4