K 10 svn:author V 6 marius K 8 svn:date V 27 2008-12-15T21:36:14.581625Z K 7 svn:log V 393 MFC: 185750 - According to the corresponding Linux, NetBSD and OpenSolaris drivers, there should be a 1us delay after every write when bit-banging the MII. Also insert barriers in order to ensure the intended ordering. These changes hopefully will solve the bus wedging occasionally experienced with DM9102A since r182461. - Deobfuscate dc_mii_readreg() a bit. Approved by: re (kib) END