From: "Jordan Crouse" <jordan.crouse@amd.com>
To: devel@laptop.org
Cc: linux-acpi@vger.kernel.org, linux-pm@lists.osdl.org
Subject: Power Mangement Interfaces
Date: Fri, 30 Mar 2007 17:57:59 -0600 [thread overview]
Message-ID: <20070330235759.GC4252@cosmic.amd.com> (raw)
Hey all -
I'm happy to report that the OLPC power management effort is proceeding
nicely. We have suspend to RAM functional, and the system is resuming
back to the framebuffer console. We have the usual blips (USB), but
those will be resolved in the fullness of time.
I am now turning my attention to handling wakeup events - in particular,
events that we can set at run-time. My thoughts on the matter are
detailed here:
http://wiki.laptop.org/go/Power_Management_Interface
I use the ACPI wakeup infrastructure as an example because a) it exists,
and b) it works. However, it doesn't share nicely, and it is a /proc
file, so I sat down and thought of a more /sysfs friendly and generic
model. I did keep APCI in mind, figuring that if a generic framework was
designed well enough, they could slowly transition over as well (which is
why the ACPI list is CCed).
Comments are welcome.
Jordan
PS: If you have a XO machine, and you're interested in trying out power
management for yourself, documentation and information is forthcoming.
If you can't wait, pop in to #olpc on irc.freenode.net, and somebody
there will help you get started.
--
Jordan Crouse
Senior Linux Engineer
Advanced Micro Devices, Inc.
<www.amd.com/embeddedprocessors>
next reply other threads:[~2007-03-30 23:57 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-30 23:57 Jordan Crouse [this message]
2007-03-31 0:18 ` Power Mangement Interfaces Johannes Berg
2007-03-31 0:21 ` Johannes Berg
2007-03-31 4:33 ` [linux-pm] " Gopi P.M.
2007-03-31 15:20 ` Jordan Crouse
2007-03-31 16:12 ` David Brownell
2007-03-31 15:16 ` Jordan Crouse
2007-04-02 7:38 ` [linux-pm] " Pavel Machek
2007-03-31 16:57 ` David Brownell
2007-04-04 16:15 ` Johannes Berg
2007-04-04 18:44 ` David Brownell
2007-04-04 21:49 ` Johannes Berg
2007-04-05 5:05 ` David Brownell
2007-04-05 8:02 ` Johannes Berg
2007-04-05 8:32 ` Zhang Rui
2007-03-31 16:52 ` David Brownell
2007-03-31 18:16 ` Jordan Crouse
2007-03-31 18:57 ` David Brownell
2007-04-01 1:01 ` Jordan Crouse
2007-04-01 3:01 ` David Brownell
[not found] ` <200703312001.55231.david-b@pacbell.net>
2007-04-01 16:56 ` Jordan Crouse
[not found] ` <20070401165601.GA13389@cosmic.amd.com>
2007-04-02 0:28 ` David Brownell
[not found] ` <200704011728.10966.david-b@pacbell.net>
2007-04-02 16:55 ` Jordan Crouse
2007-06-19 17:00 ` Marcelo Tosatti
[not found] ` <20070619170048.GA342@dmt.media.mit.edu>
2007-06-19 19:17 ` Jens Axboe
2007-06-19 19:41 ` Woodruff, Richard
2007-06-21 1:30 ` David Brownell
[not found] ` <200706201830.52277.david-b@pacbell.net>
2007-07-08 22:10 ` [PATCH] add powerbutton and lid platform devices Marcelo Tosatti
[not found] ` <20070708221027.GA4964@dmt>
2007-07-09 15:05 ` Jordan Crouse
[not found] ` <20070709150545.GD31533@cosmic.amd.com>
2007-07-09 16:30 ` David Brownell
[not found] ` <200707090930.26973.david-b@pacbell.net>
2007-07-09 16:36 ` Jordan Crouse
2007-07-16 8:51 ` Richard Hughes
2007-07-16 17:11 ` C. Scott Ananian
[not found] ` <20070402165511.GD5024@cosmic.amd.com>
2007-04-02 17:53 ` Power Mangement Interfaces David Brownell
2007-07-08 3:46 ` rtc-cmos not supporting RTC_AIE? Marcelo Tosatti
2007-07-08 3:49 ` [PATCH] rtc-cmos: use cmos_rtc_board_info to determine wake_on callback Marcelo Tosatti
2007-07-08 3:55 ` [PATCH] OLPC rtc-cmos support Marcelo Tosatti
[not found] ` <20070708034953.GB19633@dmt>
2007-07-08 5:06 ` [PATCH] rtc-cmos: use cmos_rtc_board_info to determine wake_on callback David Brownell
[not found] ` <20070708035504.GC19633@dmt>
2007-07-08 5:13 ` [PATCH] OLPC rtc-cmos support David Brownell
[not found] ` <200707072213.41028.david-b@pacbell.net>
2007-07-08 18:40 ` Marcelo Tosatti
[not found] ` <20070708184035.GA20078@dmt>
2007-07-08 19:10 ` David Brownell
[not found] ` <200707081210.51145.david-b@pacbell.net>
2007-07-08 20:17 ` Marcelo Tosatti
[not found] ` <20070708201747.GA13115@dmt>
2007-07-08 20:47 ` David Brownell
[not found] ` <20070708034633.GA19633@dmt>
2007-07-08 5:26 ` rtc-cmos not supporting RTC_AIE? David Brownell
[not found] ` <200707072226.50069.david-b@pacbell.net>
2007-07-08 19:03 ` Marcelo Tosatti
[not found] ` <20070708190350.GB20078@dmt>
2007-07-08 19:17 ` David Brownell
[not found] ` <200707081217.53071.david-b@pacbell.net>
2007-07-08 19:31 ` Richard Hughes
[not found] ` <1183923098.2814.8.camel@work>
2007-07-08 20:15 ` Hibernate after alarm wakes from STR David Brownell
[not found] ` <200707081315.40560.david-b@pacbell.net>
2007-07-08 22:31 ` Marcelo Tosatti
[not found] ` <20070708223121.GB4964@dmt>
2007-07-09 2:44 ` David Brownell
[not found] ` <200707081944.04598.david-b@pacbell.net>
2007-07-09 8:34 ` Richard Hughes
2007-07-09 15:40 ` Marcelo Tosatti
[not found] ` <20070709154014.GF27828@dmt>
2007-07-09 16:26 ` David Brownell
[not found] ` <200707090926.32826.david-b@pacbell.net>
2007-07-10 2:45 ` Nigel Cunningham
[not found] ` <200707101245.31449.nigel@nigel.suspend2.net>
2007-07-10 16:51 ` David Brownell
[not found] ` <200707100951.04193.david-b@pacbell.net>
2007-07-10 22:16 ` Nigel Cunningham
[not found] ` <200707110816.42114.nigel@nigel.suspend2.net>
2007-07-11 0:45 ` Matthew Garrett
[not found] ` <20070711004549.GA30249@srcf.ucam.org>
2007-07-11 0:53 ` Nigel Cunningham
[not found] ` <200707111053.36590.nigel@nigel.suspend2.net>
2007-07-11 1:23 ` Matthew Garrett
[not found] ` <20070711012301.GA30596@srcf.ucam.org>
2007-07-11 1:39 ` Nigel Cunningham
[not found] ` <200707111139.38667.nigel@nigel.suspend2.net>
2007-07-11 1:59 ` Matthew Garrett
[not found] ` <20070711015948.GA30659@srcf.ucam.org>
2007-07-11 3:14 ` Nigel Cunningham
[not found] ` <200707111314.04221.nigel@nigel.suspend2.net>
2007-07-11 10:09 ` Rafael J. Wysocki
[not found] ` <200707111209.05163.rjw@sisk.pl>
2007-07-11 10:14 ` Nigel Cunningham
[not found] ` <200707112014.28958.nigel@nigel.suspend2.net>
2007-07-11 10:31 ` Rafael J. Wysocki
2007-07-11 16:04 ` David Brownell
[not found] ` <200707110904.33696.david-b@pacbell.net>
2007-07-11 22:48 ` Nigel Cunningham
[not found] ` <1175509422.5321.37.camel@localhost.localdomain>
2007-04-02 18:24 ` Power Mangement Interfaces David Brownell
[not found] ` <200704021124.21926.david-b@pacbell.net>
2007-04-02 19:40 ` Matthew Garrett
[not found] ` <20070402194039.GA8044@srcf.ucam.org>
2007-04-02 21:31 ` David Brownell
2007-04-05 8:20 ` Zhang Rui
2007-04-02 10:07 ` Zhang Rui
2007-03-31 19:14 ` Jim Gettys
2007-04-02 9:36 ` Zhang Rui
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