6753758 ata driver doesn't work in snv_99 (older systems only?)

[Ada.Feng at sun.com]

Author: Ada <Ada.Feng at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: c45bf137b8d541cd53a508ddf3f7137f8743eb22
Total changesets: 1
Log message:
6753758 ata driver doesn't work in snv_99 (older systems only?)
6752338 ata driver hangs in b99 on Toshiba Tecra A9

Files:
	update: usr/src/uts/intel/io/dktp/controller/ata/ata_common.c
	update: usr/src/uts/intel/io/dktp/controller/ata/ata_common.h
	update: usr/src/uts/intel/io/dktp/controller/ata/atapi.c