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dma: remove unnecessary null pointer check in mmp_pdma.c

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the pointer cfg is dereferenced in line 594, so it's no reason to check null
again in line 620.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Cong Ding 2013-01-15 01:19:48 +01:00 committed by Vinod Koul
parent 661f7cb55c
commit ed30933e6f
1 changed files with 2 additions and 4 deletions
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6
drivers/dma/mmp_pdma.c
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@ -617,10 +617,8 @@ static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd,
else if (maxburst == 32)
chan->dcmd |= DCMD_BURST32;
if (cfg) {
chan->dir = cfg->direction;
chan->drcmr = cfg->slave_id;
}
chan->dir = cfg->direction;
chan->drcmr = cfg->slave_id;
chan->dev_addr = addr;
break;
default: