From: Eric Long eric.long@unisoc.com
[ Upstream commit c434e377dad1dec05cad1870ce21bc539e1e024f ]
Move the 2-stage configuration before configuring the link-list mode, since we will use some 2-stage configuration to fill the link-list configuration.
Signed-off-by: Eric Long eric.long@unisoc.com Signed-off-by: Baolin Wang baolin.wang@linaro.org Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/sprd-dma.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index a01c23246632..01abed5cde49 100644 --- a/drivers/dma/sprd-dma.c +++ b/drivers/dma/sprd-dma.c @@ -911,6 +911,12 @@ sprd_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, schan->linklist.virt_addr = 0; }
+ /* Set channel mode and trigger mode for 2-stage transfer */ + schan->chn_mode = + (flags >> SPRD_DMA_CHN_MODE_SHIFT) & SPRD_DMA_CHN_MODE_MASK; + schan->trg_mode = + (flags >> SPRD_DMA_TRG_MODE_SHIFT) & SPRD_DMA_TRG_MODE_MASK; + sdesc = kzalloc(sizeof(*sdesc), GFP_NOWAIT); if (!sdesc) return NULL; @@ -944,12 +950,6 @@ sprd_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, } }
- /* Set channel mode and trigger mode for 2-stage transfer */ - schan->chn_mode = - (flags >> SPRD_DMA_CHN_MODE_SHIFT) & SPRD_DMA_CHN_MODE_MASK; - schan->trg_mode = - (flags >> SPRD_DMA_TRG_MODE_SHIFT) & SPRD_DMA_TRG_MODE_MASK; - ret = sprd_dma_fill_desc(chan, &sdesc->chn_hw, 0, 0, src, dst, len, dir, flags, slave_cfg); if (ret) {