From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH 1/3] PM: Introduce new top level suspend and
	hibernation callbacks (rev. 8)
Date: Mon, 14 Apr 2008 08:47:02 +1000
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To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Greg KH <greg@kroah.com>, pm list <linux-pm@lists.linux-foundation.org>, ACPI Devel Maling List <linux-acpi@vger.kernel.org>, Alan Stern <stern@rowland.harvard.edu>, Len Brown <lenb@kernel.org>, LKML <linux-kernel@vger.kernel.org>, Alexey Starikovskiy <astarikovskiy@suse.de>, David Brownell <david-b@pacbell.net>, Pavel Machek <pavel@ucw.cz>, Oliver Neukum <oliver@neukum.org>, Nigel Cunningham <ncunningham@crca.org.au>, Jesse Barnes <jbarnes@virtuousgeek.org>, Andrew Morton <akpm@linux-foundation.org>


> Well, I'm not sure and I'm not going to introduce the change right now, after
> the paches have been included in -mm.
> 
> That would require quite some changes in the core code that I'd prefer to
> avoid for now.  We can do something like this in a separate patch series after
> the present one settles down a bit.

I disagree.

Doing it later would introduce yet another major semantic change.

I think we should get it right now. There's no hurry in pushing things
especially if they aren't quite right.

The ability for prepare() callbacks to sync with userland,
request_firmware, etc... is an important feature that's been needed for
some time imho.

Ben.