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From: Takanori Watanabe <takawata@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Subject: PERFORCE change 43707 for review
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http://perforce.freebsd.org/chv.cgi?CH=43707

Change 43707 by takawata@takawata_x31 on 2003/12/09 19:06:29

	Add my comment.

Affected files ...

.. //depot/projects/power/notes#11 edit

Differences ...

==== //depot/projects/power/notes#11 (text+ko) ====

@@ -28,6 +28,9 @@
       that should be sufficient.
       - The generic PCI bus driver already does this
     - Need to turn on all non-PCI devices then when we probe/attach.
+  > Handle Notify events for every ACPI device object. The Notify events
+     requests device re-enumration...etc. Parent device driver may 
+     install event handler.
 - define a bus method for powering up/down devices
   - bus_set_powerstate(parent, child, state) where state is on or off
   # actually on/off is insufficient for a power management daemon that
@@ -58,11 +61,11 @@
   commands like eject, etc.
   # methods should be unique.  Command interfaces to userland should dispatch
   # the right method.  Otherwise we've reinvented ioctl :-)
+  >Some PCMCIA mechanism should be replaced by this mechanism.
 - convert to a model of suspending the device via device_suspend()/resume()
   rather than detach()/attach() for turning devices on/off.
   - This may require fixes to drivers so that they continue to function
     appropriately when their hardware has been suspended
-
 The second stage will be to make the powering off of devices more automated.
 This is still in early design stage.  It may involve a powerd, it may
 involve intelligence in the kernel.