From: Pavel Machek <pavel@ucw.cz>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: LKML <linux-kernel@vger.kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
pm list <linux-pm@lists.linux-foundation.org>,
Alexey Starikovskiy <astarikovskiy@suse.de>
Subject: Re: [RFC][PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks
Date: Wed, 19 Mar 2008 00:54:57 +0100 [thread overview]
Message-ID: <20080318235457.GA1936@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0803181103410.1476-100000@netrider.rowland.org>
Hi!
> > So... we do prepare() but it detects new child, so it returns -EAGAIN.
> > so we call complete() based on description above
> > ...and then we call prepare() to suspend again?
>
> You misunderstood (maybe the comment needs to be clarified as above).
Yes, please :-).
> If prepare() returns any error (including -EAGAIN) then complete() does
> not get called. If prepare() returns successfully but the PM core
> detects that a new child was added while prepare() was running, then we
> call complete(), suspend the child, and call prepare() again.
Ok.
> > > + * @suspend: Executed before putting the system into a sleep state in which the
> > > + * contents of main memory are preserved. Quiesce the device, put it into
> >
> > content....is?
>
> It's okay to use "contents" -- analogous to the table of contents in a
> book. It's one of those weird corner cases where either alternative is
> acceptable.
Ok -- I guess I should get that english course ;-).
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2008-03-18 23:54 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-16 23:20 [RFC][PATCH 0/3] PM: Rework suspend and hibernation code for devices Rafael J. Wysocki
2008-03-16 23:22 ` [RFC][PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks Rafael J. Wysocki
2008-03-18 10:01 ` Pavel Machek
2008-03-18 15:10 ` Alan Stern
2008-03-18 23:54 ` Pavel Machek [this message]
2008-03-19 1:04 ` Rafael J. Wysocki
2008-03-19 2:44 ` Alan Stern
2008-03-19 3:49 ` Benjamin Herrenschmidt
2008-03-19 15:19 ` Alan Stern
2008-03-20 3:33 ` Benjamin Herrenschmidt
2008-03-20 14:45 ` Alan Stern
2008-03-20 22:32 ` Benjamin Herrenschmidt
2008-03-20 18:26 ` Alan Stern
2008-03-20 22:34 ` Benjamin Herrenschmidt
2008-03-20 22:57 ` Alan Stern
2008-03-19 0:53 ` Greg KH
2008-03-19 9:15 ` Pavel Machek
2008-03-19 13:22 ` Rafael J. Wysocki
2008-03-19 18:07 ` Greg KH
2008-03-16 23:24 ` [RFC][PATCH 2/3] PM: New suspend and hibernation callbacks for platform bus type Rafael J. Wysocki
2008-03-18 10:02 ` Pavel Machek
2008-03-16 23:25 ` [RFC][PATCH 3/3] PM: New suspend and hibernation callbacks for PCI " Rafael J. Wysocki
2008-03-18 10:02 ` Pavel Machek
2008-03-19 0:55 ` Greg KH
2008-03-19 13:24 ` Rafael J. Wysocki
2008-03-19 18:06 ` Greg KH
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