linux-kernel - Re: [linux-pm] suspend blockers & Android integration

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Date:	Sun, 6 Jun 2010 12:46:01 +0200
From:	Florian Mickler <florian@...kler.org>
To:	Vitaly Wool <vitalywool@...il.com>
Cc:	Brian Swetland <swetland@...gle.com>,
	Arve Hjønnevåg 
	<arve@...roid.com>, Arjan van de Ven <arjan@...radead.org>,
	tytso@....edu, Peter Zijlstra <peterz@...radead.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>, Neil Brown <neilb@...e.de>,
	James Bottomley <James.Bottomley@...e.de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Felipe Balbi <felipe.balbi@...ia.com>
Subject: Re: [linux-pm] suspend blockers & Android integration

On Sun, 6 Jun 2010 12:00:47 +0200
Vitaly Wool <vitalywool@...il.com> wrote:

> Even worse, the suspend wakelock will keep the
> whole kernel active, as opposed to powering off unused devices
> separately as it's done in runtime PM. 

That is not true. While the kernel is not suspended it does
runtime pm.



> > Users do like that to work too -- I recall Arve leaving a device in
> > his filing cabinet with the radio off while he was out of the country
> > for three weeks once, and him discovering it was still running with
> > something like 25% battery remaining when he returned.
> 
> So what you're actually up to is that a user should restart the phone
> and turn the radio off if he wants to find it running when he's back
> from a long business trip or something. Nice...

?


Cheers,
Flo
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