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| author | Kedareswara rao Appana <appana.durga.rao@xilinx.com> | 2018-01-03 07:42:10 +0100 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2018-01-08 11:54:50 +0100 |
| commit | 4b597c634a2a8fbc8ecbdaf7c2b4c8bb68cfba20 (patch) | |
| tree | 618940f991bcc54ba98fbf67033b821a082bbeae /drivers/dma/xilinx/xilinx_dma.c | |
| parent | dmaengine: xilinx_dma: properly configure the SG mode bit in the driver for cdma (diff) | |
| download | linux-4b597c634a2a8fbc8ecbdaf7c2b4c8bb68cfba20.tar.xz linux-4b597c634a2a8fbc8ecbdaf7c2b4c8bb68cfba20.zip | |
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/xilinx/xilinx_dma.c')
| -rw-r--r-- | drivers/dma/xilinx/xilinx_dma.c | 4 |
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); |