diff mbox series

[v2,5/6] dmaengine: sprd: Fix the right place to configure 2-stage transfer

Message ID 7eb64b3319cfa1859f2912398700d4204553c028.1557127239.git.baolin.wang@linaro.org
State New
Headers show
Series Fix some bugs and add new feature for Spreadtrum DMA engine | expand

Commit Message

(Exiting) Baolin Wang May 6, 2019, 7:28 a.m. UTC 
From: Eric Long <eric.long@unisoc.com>


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>

---
 drivers/dma/sprd-dma.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

-- 
1.7.9.5
diff mbox series

Patch

diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
index a01c232..01abed5 100644
--- a/drivers/dma/sprd-dma.c
+++ b/drivers/dma/sprd-dma.c
@@ -911,6 +911,12 @@  static int sprd_dma_fill_linklist_desc(struct dma_chan *chan,
 		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 @@  static int sprd_dma_fill_linklist_desc(struct dma_chan *chan,
 		}
 	}
 
-	/* 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) {