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dmaengine: s3c24xx: Simplify code in s3c24xx_dma_tx_status()

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Doing so saves a few lines of code in the driver.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Peter Griffin 2016-06-07 18:38:37 +01:00 committed by Vinod Koul
parent 95b0aa3e10
commit e841b80f45
1 changed files with 1 additions and 5 deletions
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6
drivers/dma/s3c24xx-dma.c
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@ -768,16 +768,12 @@ static enum dma_status s3c24xx_dma_tx_status(struct dma_chan *chan,
spin_lock_irqsave(&s3cchan->vc.lock, flags);
ret = dma_cookie_status(chan, cookie, txstate);
if (ret == DMA_COMPLETE) {
spin_unlock_irqrestore(&s3cchan->vc.lock, flags);
return ret;
}
/*
* There's no point calculating the residue if there's
* no txstate to store the value.
*/
if (!txstate) {
if (ret == DMA_COMPLETE || !txstate) {
spin_unlock_irqrestore(&s3cchan->vc.lock, flags);
return ret;
}