K 10 svn:author V 3 ian K 8 svn:date V 27 2016-04-07T17:45:01.942565Z K 7 svn:log V 285 Comestic changes; when INTRNG support was added, some functions became oddly separated from related functionality. This just moves some blocks of code around so that setup_intr and teardown_intr are near each other again, and likewise for enable/disable_intr. No functional changes. END