K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2013-06-25T07:32:49.821680Z
K 7
svn:log
V 189
MFC r249980:
Give periph validity flag own periph reference.  That slightly simplifies
the release logic and covers hypothetical case if lock is dropped inside
the periph_oninval() method.

END