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authorKedareswara rao Appana <appana.durga.rao@xilinx.com>2018-01-03 12:12:10 +0530
committerVinod Koul <vinod.koul@intel.com>2018-01-08 16:24:50 +0530
commit4b597c634a2a8fbc8ecbdaf7c2b4c8bb68cfba20 (patch)
tree618940f991bcc54ba98fbf67033b821a082bbeae /drivers/dma
parent48c62fb051af3850e631b573e5393a2b0808ef10 (diff)
downloadlinux-4b597c634a2a8fbc8ecbdaf7c2b4c8bb68cfba20.tar.bz2
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: Kedareswara rao Appana <appanad@xilinx.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/xilinx/xilinx_dma.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index e32ebe0837af..855ea14f6877 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -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);