Commit c454d16a authored by Pandith N's avatar Pandith N Committed by Vinod Koul
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dmaengine: dw-axi-dmac: Burst length settings 



Burst length, DMA HW capability set in dt-binding is now used in driver.

Signed-off-by: default avatarPandith N <pandith.n@intel.com>
Tested-by: default avatarPan Kris <kris.pan@intel.com>
Link: https://lore.kernel.org/r/20210802055454.15192-4-pandith.n@intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent f95f3b53

drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c

+2 −1
Original line number Diff line number Diff line
@@ -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);