From: Paul Mundt <lethal@Linux-SH.ORG>

This updates the sh dma-mapping code, as well as doing some cleanup in the
consistent API.  We also add a consistent_{alloc,free} to the machvec for
platforms that need special handling.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>