This is a small patch to deviceiobook.tmpl to describe the new mmiowb
routine a bit more completely.  I've also updated it to provide pointers to
drivers that do write flushing, use mmiowb, and use the readX_relaxed
routines.
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Jesse Barnes <jbarnes@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>