From: Pavel Machek <pavel@suse.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: david-b@pacbell.net, linux-pm@lists.osdl.org
Subject: Re: Toward runtime power management in Linux
Date: Sun, 14 Aug 2005 21:53:18 +0200 [thread overview]
Message-ID: <20050814195317.GE1686@openzaurus.ucw.cz> (raw)
In-Reply-To: <20050804080649.GF22000@atomide.com>
[-- Attachment #1: Type: text/plain, Size: 634 bytes --]
Hi!
> > > to power down, couldn't the PM framework take care of
> > > recursively sending 'power down' message to all children, wait for
> > > confirmation, and then power itself down?
> >
> > Could, arguably should -- but doesn't, just now. I don't
> > think I'd try to manage all system devices' power through
> > sysfs from usermode yet ... :)
>
> There are some cases where the whole bus can be powered down, but
> a device on the bus needs to be left on to provide wake-up events.
such device can be "off" as far as driver model knows. Pavel
--
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
[-- Attachment #2: Type: text/plain, Size: 0 bytes --]
next prev parent reply other threads:[~2005-08-14 19:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-31 2:36 Toward runtime power management in Linux Alan Stern
2005-08-01 2:10 ` Leo L. Schwab
2005-08-01 11:44 ` Amit Kucheria
2005-08-01 14:16 ` Alan Stern
[not found] ` <20050802024415.C3518DB57B@adsl-69-107-32-110.dsl.pltn13.pacbell.net>
2005-08-04 8:06 ` Tony Lindgren
2005-08-04 16:02 ` david-b
2005-08-14 19:53 ` Pavel Machek [this message]
2005-08-01 14:07 ` Alan Stern
2005-08-01 15:10 ` Jordan Crouse
2005-08-01 15:23 ` Alan Stern
2005-08-04 17:24 ` Igor Stoppa
[not found] ` <Pine.LNX.4.50.0508011712220.2764-100000@monsoon.he.net>
2005-08-02 17:45 ` Geoff Levand
2005-08-25 3:12 ` Benjamin Herrenschmidt
2005-08-25 15:27 ` Alan Stern
2005-08-25 21:42 ` Benjamin Herrenschmidt
2005-08-26 2:25 ` Alan Stern
[not found] <Pine.LNX.4.50.0508012316380.2764-100000@monsoon.he.net>
2005-08-02 14:35 ` Alan Stern
-- strict thread matches above, loose matches on Subject: below --
2005-08-25 13:59 Brown, Len
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050814195317.GE1686@openzaurus.ucw.cz \
--to=pavel@suse.cz \
--cc=david-b@pacbell.net \
--cc=linux-pm@lists.osdl.org \
--cc=tony@atomide.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox