[PATCH v2 2/4] dmaengine: xilinx_dma: Refactor axidma channel validation

[Radhey Shyam Pandey]

In axidma start_transfer, prefer checking channel states before
other params i.e pending_list. No functional change.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pan...@xilinx.com>
---
Changes for v2:
Modified the commit message to mark it as non-functional change.
---
 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