hselasky 6017eab6e9 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
..
2015-11-06 12:54:27 +00:00