Jun Nie 8c8fe97b2b Revert "dmaengine: virt-dma: don't always free descriptor upon completion" ...

This reverts commit b9855f03d5.
The patch break existing DMA usage case. For example, audio SOC
dmaengine never release channel and cause virt-dma to cache too
much memory in descriptor to exhaust system memory.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>

2015-07-31 20:33:43 +05:30

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