Author: imp
Date: Wed Oct 28 18:53:18 2015
New Revision: 290117
URL: https://svnweb.freebsd.org/changeset/base/290117
Log:
Add a note to the effect that BUS_ADD_CHILD calls
device_add_child_ordered to add the child. device_add_child_ordered
doesn't call BUS_ADD_CHILD.
Modified:
head/sys/kern/bus_if.m
Modified: head/sys/kern/bus_if.m
==============================================================================
--- head/sys/kern/bus_if.m Wed Oct 28 17:55:37 2015 (r290116)
+++ head/sys/kern/bus_if.m Wed Oct 28 18:53:18 2015 (r290117)
@@ -209,7 +209,9 @@ METHOD void driver_added {
* For busses which use use drivers supporting DEVICE_IDENTIFY() to
* enumerate their devices, this method is used to create new
* device instances. The new device will be added after the last
- * existing child with the same order.
+ * existing child with the same order. Implementations of bus_add_child
+ * call device_add_child_ordered to add the child and often add
+ * a suitable ivar to the device specific to that bus.
*
* @param _dev the bus device which will be the parent of the
* new child device
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