From: Matthew Garrett <mjg59@srcf.ucam.org>
To: "Uwe Kleine-König" <Uwe.Kleine-Koenig@digi.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Andrew Morton <akpm@osdl.org>,
David Brownell <dbrownell@users.sourceforge.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
Pavel Machek <pavel@ucw.cz>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: A minimally power-aware driver treats all messages as SUSPEND?
Date: Wed, 2 Jul 2008 02:08:57 +0100 [thread overview]
Message-ID: <20080702010857.GA27031@srcf.ucam.org> (raw)
In-Reply-To: <20080701151415.GA17688@digi.com>
On Tue, Jul 01, 2008 at 05:14:15PM +0200, Uwe Kleine-König wrote:
> With that I might have to do less on SUSPEND because some state might be
> preserved after the machine comes up again.
The only hardware state guaranteed by ACPI is the contents of RAM. It's
valid for the platform to cut the power rails to everything else, so
from a driver point of view it's almost always equivalent to
hibernation.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2008-07-02 1:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-01 7:29 A minimally power-aware driver treats all messages as SUSPEND? Uwe Kleine-König
2008-07-01 14:17 ` Rafael J. Wysocki
2008-07-01 15:14 ` Uwe Kleine-König
2008-07-01 15:35 ` Rafael J. Wysocki
2008-07-02 1:08 ` Matthew Garrett [this message]
2008-07-02 2:57 ` David Brownell
2008-07-01 16:43 ` Linus Torvalds
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=20080702010857.GA27031@srcf.ucam.org \
--to=mjg59@srcf.ucam.org \
--cc=Uwe.Kleine-Koenig@digi.com \
--cc=akpm@osdl.org \
--cc=dbrownell@users.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
--cc=pavel@ucw.cz \
--cc=rjw@sisk.pl \
--cc=torvalds@linux-foundation.org \
/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