--- Net2/arch/i386/isa/isa_device.h	2018/04/24 18:12:03	1.1.1.2
+++ Net2/arch/i386/isa/isa_device.h	2018/04/24 18:20:07	1.1.1.3
@@ -30,18 +30,8 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)isa_device.h	7.1 (Berkeley) 5/9/91
- *
- * PATCHES MAGIC                LEVEL   PATCH THAT GOT US HERE
- * --------------------         -----   ----------------------
- * CURRENT PATCH LEVEL:         1       00091
- * --------------------         -----   ----------------------
- *
- * 27 Feb 93    Chris Demetriou		Add proper flag handling.
- * 10 Mar 93	Rodney W. Grimes	Fixed isa_device->id_irq to be
- *					the u_short instead of short. This
- *					enables us to use irq15!
- *
+ *	from: @(#)isa_device.h	7.1 (Berkeley) 5/9/91
+ *	isa_device.h,v 1.6 1993/05/22 08:01:30 cgd Exp
  */
 
 /*
@@ -62,6 +52,7 @@ struct isa_device {
 	int	id_unit;	/* unit number */
 	int	id_flags;	/* flags */
 	int	id_physid;	/* eg. scsi id if needed */
+	int	id_masunit;	/* for biotab_dktp, the master unit number */
 	int	id_alive;	/* device is present */
 };
 
@@ -79,4 +70,4 @@ struct isa_driver {
 };
 
 extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[],
-		isa_devtab_null[];
+		isa_devtab_null[], isa_subdev[];