]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
PM: schedule /sys/devices/.../power/state for removal
authorPavel Machek <pavel@suse.cz>
Wed, 30 Aug 2006 20:50:27 +0000 (13:50 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 26 Sep 2006 04:08:38 +0000 (21:08 -0700)
This lists the /sys/devices/.../power/state file, and its internal support,
as due for removal next year.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Documentation/feature-removal-schedule.txt

index a89a1b7f7cf7f0bf943fa68446416567a75a1b59..611acc32fdf545be7b3efd88cd6aa26bc852887c 100644 (file)
@@ -6,6 +6,21 @@ be removed from this file.
 
 ---------------------------
 
+What:  /sys/devices/.../power/state
+       dev->power.power_state
+       dpm_runtime_{suspend,resume)()
+When:  July 2007
+Why:   Broken design for runtime control over driver power states, confusing
+       driver-internal runtime power management with:  mechanisms to support
+       system-wide sleep state transitions; event codes that distinguish
+       different phases of swsusp "sleep" transitions; and userspace policy
+       inputs.  This framework was never widely used, and most attempts to
+       use it were broken.  Drivers should instead be exposing domain-specific
+       interfaces either to kernel or to userspace.
+Who:   Pavel Machek <pavel@suse.cz>
+
+---------------------------
+
 What:  RAW driver (CONFIG_RAW_DRIVER)
 When:  December 2005
 Why:   declared obsolete since kernel 2.6.3