Date: Tue, 26 Sep 2006 12:12:30 +0200
From: Stefan Seyfried <seife@suse.de>
To: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <ncunningham@linuxmail.org>, linux-kernel@vger.kernel.org,
       "Rafael J. Wysocki" <rjw@sisk.pl>, Andrew Morton <akpm@osdl.org>
Subject: Re: When will the lunacy end? (Was Re: [PATCH] uswsusp: add pmops->{prepare,enter,finish} support (aka "platform mode"))
Message-ID: <20060926101230.GD5782@suse.de>
References: <20060925071338.GD9869@suse.de> <1159220043.12814.30.camel@nigel.suspend2.net> <20060925223435.GA2540@elf.ucw.cz>
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On Tue, Sep 26, 2006 at 12:34:35AM +0200, Pavel Machek wrote:

> PMOPS_PREPARE (& friends) is "tell ACPI to light up that moon
> symbol". Useful suspend can be done without that, but ACPI will be
> confused on resume.

Just to make sure Andrew does not get confused: it also ensures on many
machines, that changed hardware (unplugged AC adapters) gets correctly
detected and that kacpid does not run wild after resume.

I personally would not really care too much about the moon symbol on the
thinkpads, but i care about the ac_adapter state being right :-)

-- 
Stefan Seyfried
QA / R&D Team Mobile Devices        |              "Any ideas, John?"
SUSE LINUX Products GmbH, N?rnberg  | "Well, surrounding them's out." 
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