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authorPandith N <pandith.n@intel.com>2021-08-02 08:54:54 +0300
committerVinod Koul <vkoul@kernel.org>2021-08-02 09:49:52 +0300
commitc454d16a7d5a9af88b844d98bec50d2363c19941 (patch)
treeed230e4220ac09a9c26982b1d15e8e9c25c25451
parentf95f3b53513d4bd846169fc42705548609494cce (diff)
downloadlinux-c454d16a7d5a9af88b844d98bec50d2363c19941.tar.xz
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>
-rw-r--r--drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c3
1 files changed, 2 insertions, 1 deletions
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 3edc647271b4..35993ab92154 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);