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Commit 4b597c63 authored by Kedareswara rao Appana's avatar Kedareswara rao Appana Committed by Vinod Koul
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dmaengine: xilinx_dma: Fix warning variable prev set but not used 



This patch fixes the below sparse warning in the driver
drivers/dma/xilinx/xilinx_dma.c: In function ‘xilinx_vdma_dma_prep_interleaved’:
drivers/dma/xilinx/xilinx_dma.c:1614:43: warning: variable ‘prev’ set but not used [-Wunused-but-set-variable]
  struct xilinx_vdma_tx_segment *segment, *prev = NULL;

Signed-off-by: default avatarKedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 48c62fb0

drivers/dma/xilinx/xilinx_dma.c

+1 −3
Original line number Diff line number Diff line
@@ -1611,7 +1611,7 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan, 
{

	struct xilinx_dma_chan *chan = to_xilinx_chan(dchan);

	struct xilinx_dma_tx_descriptor *desc;

	struct xilinx_vdma_tx_segment *segment, *prev = NULL;

	struct xilinx_vdma_tx_segment *segment;

	struct xilinx_vdma_desc_hw *hw;



	if (!is_slave_direction(xt->dir))
@@ -1665,8 +1665,6 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan, 
	/* Insert the segment into the descriptor segments list. */

	list_add_tail(&segment->node, &desc->segments);



	prev = segment;



	/* Link the last hardware descriptor with the first. */

	segment = list_first_entry(&desc->segments,

				   struct xilinx_vdma_tx_segment, node);