linux-kernel - Re: zaurus needs generic pxa suspend/resume routines

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Message-ID: <20090609220942.GA13231@elf.ucw.cz>
Date:	Wed, 10 Jun 2009 00:09:42 +0200
From:	Pavel Machek <pavel@....cz>
To:	Stanislav Brabec <utx@...guin.cz>
Cc:	Eric Miao <eric.y.miao@...il.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	rpurdie@...ys.net, lenz@...wisc.edu,
	kernel list <linux-kernel@...r.kernel.org>,
	Dirk@...er-online.de, arminlitzel@....de,
	Cyril Hrubis <metan@....cz>, thommycheck@...il.com,
	linux-arm-kernel <linux-arm-kernel@...ts.arm.linux.org.uk>,
	dbaryshkov@...il.com, omegamoon@...il.com
Subject: Re: zaurus needs generic pxa suspend/resume routines

On Tue 2009-06-09 12:50:00, Stanislav Brabec wrote:
> Eric Miao wrote:
> 
> > >> Yes, I think this is the best trade-off for the moment.
> > >>
> > >> Acked-by: Eric Miao <eric.miao@...vell.com>
> > >>
> 
> However resume still does not work with this patch on top of yesterday's
> Linus tree snapshot (SL-C3200, ccc0d38). It seems to go to resume for
> ~300 milliseconds (orange LED lights for a moment, power consumption
> increases) and then runs back to the sleep. It seems that it disables
> offline charging, too. When battery cover switch is open it goes to
> resume just for ~50 milliseconds (orange LED does not light).

Yes, the patch fixes just the "cpu registers not set correctly"
problem. Problem with charging remains. Unfortunately, I do have
patch to fix that, yet. (Yes, it can be worked around by disabling
offline charge, but that is not a fix).

> The last Pavel's hack from last week at least fixed resume at cost of
> breaking offline charging (and broken serial after resume).

Hmm, do you have a serial cable? :-).
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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