K 10
svn:author
V 8
hselasky
K 8
svn:date
V 27
2012-08-10T15:02:49.825612Z
K 7
svn:log
V 433
Add new device method to free the automatically
allocated softc structure which is returned by
device_get_softc(). This method can be used to
easily implement softc refcounting. This can be
desirable when the softc has memory references
which are controlled by userspace handles for
example.

This solves the problem of blocking the caller
of device_detach() for a non-deterministic time.

Discussed with:	kib, ed
MFC after:	2 weeks

END