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dmaengine: pch_dma: remove unused ‘cookie’

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In pd_tx_submit(), variable ‘cookie’ is initialized but never used, which
leads to warning with W=1

drivers/dma/pch_dma.c: In function ‘pd_tx_submit’:
drivers/dma/pch_dma.c:420:15: warning: variable ‘cookie’ set but not used [-Wunused-but-set-variable]
  dma_cookie_t cookie;

So remove it.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2016-12-09 15:24:12 +05:30
parent 765d2a6548
commit b33f7832bb
1 changed files with 0 additions and 2 deletions
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2
drivers/dma/pch_dma.c
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@ -417,10 +417,8 @@ static dma_cookie_t pd_tx_submit(struct dma_async_tx_descriptor *txd)
{
struct pch_dma_desc *desc = to_pd_desc(txd);
struct pch_dma_chan *pd_chan = to_pd_chan(txd->chan);
dma_cookie_t cookie;
spin_lock(&pd_chan->lock);
cookie = dma_cookie_assign(txd);
if (list_empty(&pd_chan->active_list)) {
list_add_tail(&desc->desc_node, &pd_chan->active_list);