linux-kernel - Re: [PATCH 0/2] staging/android fixes

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Date:	Mon, 30 Nov 2009 13:30:04 +0100
From:	Pavel Machek <pavel@....cz>
To:	Brian Swetland <swetland@...gle.com>
Cc:	Corentin Chary <corentincj@...aif.net>,
	Arve Hj??nnev??g <arve@...gle.com>,
	Greg Kroah-Hartman <greg@...ah.com>,
	Chih-Wei Huang <cwhuang@...ux.org.tw>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] staging/android fixes


> >> Arve's done a few revisions of the wakelock code with the linux-pm
> >> list, and I know he's planning on trying to work through the remaining
> >> issues (as I recall there was some discussion on read/write vs ioctl
> >> interfaces to userspace) in the near future.
> >>
> >> This really is the one piece that has the most impact on everything
> >> else -- maintaining versions of the various platform hardware drivers
> >> with and without wakelock support is messy.
> >
> > It is really not that bad. Yes, it touches most drivers, but it is few
> > lines per driver and easy to remove.
> >
> > Waiting for wakelocks (1year plus, AFAICT) before merging hw drivers
> > seems like very slow way forward.
> 
> I'm not suggesting we hold off on everything until they're in, just
> saying it'll simplify things once they are.

That's certainly true :-).

> I'd like to get to a point where we can ship out of the upstream
> kernel and that's going to need power management to work.  If we can
> sort out wakelocks (as it seemed like we were getting close to),
> that's one less difference to maintain.

Yes, that would be nice.
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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