linux-kernel - Re: [RFC][PATCH 0/8] PM: Implement autosleep and "wake locks"

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Message-Id: <201202122232.12541.rjw@sisk.pl>
Date:	Sun, 12 Feb 2012 22:32:12 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	markgross@...gnar.org
Cc:	NeilBrown <neilb@...e.de>,
	Linux PM list <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Matthew Garrett <mjg@...hat.com>,
	Greg KH <greg@...uxfoundation.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	John Stultz <john.stultz@...aro.org>,
	Brian Swetland <swetland@...gle.com>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [RFC][PATCH 0/8] PM: Implement autosleep and "wake locks"

On Sunday, February 12, 2012, mark gross wrote:
> On Fri, Feb 10, 2012 at 01:44:10AM +0100, Rafael J. Wysocki wrote:
[...]
> > I'd like us and Android to use the same low-level data structures for power
> > management and the same API eventually, at least for drivers.  This is not
> > the case at the moment and it's actively hurting us as a project quite a bit.
> > If Android needs to add patches on top of whatever we have to get the desired
> > functionality, I'm fine with that, as long as they don't require drivers to use
> > APIs that are incompatible with the mainline.  Insisting that Android should
> > use a user-space-based autosleep implementation wouldn't help at all, because
> > realistically this isn't going to happen.
> 
> why not?  I don't think having the PMS explicitly acknowledge a wake
> event is a big ask at all.

I'd like to hear what the Android people think about that, but somehow it seems
to me they won't like it. :-)

Thanks,
Rafael
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