andrew 182552c488 The ranges parent bus address may just be a tag to the entry in the parent
node. Take this in to account by searching until we find the range for the
root node.

Differential Revision:	https://reviews.freebsd.org/D1160
Reviewed by:	ian
Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
2014-11-20 17:03:40 +00:00
..