edma: no need to assign residue to 0 explicitly

Residue value is assigned to 0 by dma_cookie_status().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko 2013-05-27 15:14:33 +03:00 committed by Vinod Koul
parent 09d16690cb
commit 43e33e484e

View File

@ -502,8 +502,6 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
} else if (echan->edesc && echan->edesc->vdesc.tx.cookie == cookie) {
struct edma_desc *edesc = echan->edesc;
txstate->residue = edma_desc_size(edesc);
} else {
txstate->residue = 0;
}
spin_unlock_irqrestore(&echan->vchan.lock, flags);