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 <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>

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 (file)
--- 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);