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Commit 985a0cb9 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
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txx9dmac: return DMA_SUCCESS immediately from device_tx_status() 



There is no point to go throught the rest of the function if first call to
dma_cookie_status() returned DMA_SUCCESS.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent c14d2bc4

drivers/dma/txx9dmac.c

+6 −7
Original line number Diff line number Diff line
@@ -962,15 +962,14 @@ txx9dmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie, 
	enum dma_status ret;



	ret = dma_cookie_status(chan, cookie, txstate);

	if (ret != DMA_SUCCESS) {

	if (ret == DMA_SUCCESS)

		return DMA_SUCCESS;



	spin_lock_bh(&dc->lock);

	txx9dmac_scan_descriptors(dc);

	spin_unlock_bh(&dc->lock);



		ret = dma_cookie_status(chan, cookie, txstate);

	}



	return ret;

	return dma_cookie_status(chan, cookie, txstate);

}



static void txx9dmac_chain_dynamic(struct txx9dmac_chan *dc,