Hans Petter Selasky c2472ff8fb Avoid using the bounce buffer when the source or destination buffer is
32-bits aligned. Merge the two bounce buffers into a single one. Some
rough tests showed that the DWC OTG throughput on RPI2 increased by
10% after this patch.

MFC after:	1 week
2015-11-08 09:37:26 +00:00
..
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