===================================================================
RCS file: /cvs/funnyos/sys/bus.h,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- funnyos/sys/bus.h	2007/10/16 09:41:05	1.1
+++ funnyos/sys/bus.h	2007/10/16 18:58:43	1.2
@@ -1,5 +1,5 @@
 /*
- * $Id: bus.h,v 1.1 2007/10/16 08:41:05 init Exp $
+ * $Id: bus.h,v 1.2 2007/10/16 17:58:43 init Exp $
  */
 #ifndef _SYS_BUS_H
 #define _SYS_BUS_H
@@ -7,9 +7,10 @@
 #include <sys/device.h>
 
 /*
- * Bus operations.
+ * Each bus (bus driver instance) has its own bus_handle.
+ * Device drivers attached to bus aquire bus_handle to perform all bus i/o.
  */
-struct busops {
+struct bus_handle {
 	uint8_t 	(*bus_read_1)(struct device *devp, uint32_t addr);
 	uint16_t 	(*bus_read_2)(struct device *devp, uint32_t addr);
 	uint32_t 	(*bus_read_4)(struct device *devp, uint32_t addr);