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dmaengine: dw-axi-dmac: Burst length settings

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

Signed-off-by: Pandith N <pandith.n@intel.com>
Tested-by: Pan Kris <kris.pan@intel.com>
Link: https://lore.kernel.org/r/20210802055454.15192-4-pandith.n@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pandith N 2021-08-02 11:24:54 +05:30 committed by Vinod Koul
parent f95f3b5351
commit c454d16a7d
1 changed files with 2 additions and 1 deletions
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3
drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
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@ -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);