From: Eric Long <eric.l...@unisoc.com>
The 2-stage destination channel will be triggered by source channel
automatically, which means we should not trigger it by software request.
Signed-off-by: Eric Long <eric.l...@unisoc.com>
Signed-off-by: Baolin Wang <baolin.w...@linaro.org>
---
drivers/dma/sprd-dma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
index 431e289..0f92e60 100644
--- a/drivers/dma/sprd-dma.c
+++ b/drivers/dma/sprd-dma.c
@@ -510,7 +510,9 @@ static void sprd_dma_start(struct sprd_dma_chn *schan)
sprd_dma_set_uid(schan);
sprd_dma_enable_chn(schan);
- if (schan->dev_id == SPRD_DMA_SOFTWARE_UID)
+ if (schan->dev_id == SPRD_DMA_SOFTWARE_UID &&
+ schan->chn_mode != SPRD_DMA_DST_CHN0 &&
+ schan->chn_mode != SPRD_DMA_DST_CHN1)
sprd_dma_soft_request(schan);
}
--
1.7.9.5
