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dmaengine: xilinx_dma: Remove set but unused ‘tail_desc’ 

We get a compiler warn about variable ‘tail_desc’ set but not used

drivers/dma/xilinx/xilinx_dma.c:1102:42: warning:
	variable ‘tail_desc’ set but not used [-Wunused-but-set-variable]
  struct xilinx_dma_tx_descriptor *desc, *tail_desc;

So remove it.

Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
alistair/sunxi64-5.4-dsi
Vinod Koul 2019-05-21 19:36:44 +05:30
parent b5d89905d0
commit f935d7dc81
1 changed files with 1 additions and 3 deletions
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4
drivers/dma/xilinx/xilinx_dma.c
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@ -1099,7 +1099,7 @@ static void xilinx_dma_start(struct xilinx_dma_chan *chan)
static void xilinx_vdma_start_transfer(struct xilinx_dma_chan *chan)
{
struct xilinx_vdma_config *config = &chan->config;
struct xilinx_dma_tx_descriptor *desc, *tail_desc;
struct xilinx_dma_tx_descriptor *desc;
u32 reg, j;
struct xilinx_vdma_tx_segment *segment, *last = NULL;
int i = 0;
@ -1116,8 +1116,6 @@ static void xilinx_vdma_start_transfer(struct xilinx_dma_chan *chan)
desc = list_first_entry(&chan->pending_list,
struct xilinx_dma_tx_descriptor, node);
tail_desc = list_last_entry(&chan->pending_list,
struct xilinx_dma_tx_descriptor, node);
/* Configure the hardware using info in the config structure */
if (chan->has_vflip) {