Messages in this thread Patch in this message | | | From | Radhey Shyam Pandey <> | Subject | [PATCH 2/3] dmaengine: xilinx_dma: Refactor axidma channel validation | Date | Fri, 27 Jul 2018 16:20:38 +0530 |
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In axidma start_transfer, prefer checking channel states before other params i.e pending_list.
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com> --- drivers/dma/xilinx/xilinx_dma.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 06d1632..a37871e 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -1271,10 +1271,10 @@ static void xilinx_dma_start_transfer(struct xilinx_dma_chan *chan) if (chan->err) return; - if (list_empty(&chan->pending_list)) + if (!chan->idle) return; - if (!chan->idle) + if (list_empty(&chan->pending_list)) return; head_desc = list_first_entry(&chan->pending_list, -- 1.7.1
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