linux-kernel - Re: [linux-pm] Null suspend/resume functions

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Date:	Tue, 24 Nov 2009 12:57:33 +0100
From:	Pavel Machek <pavel@....cz>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Linux-pm mailing list <linux-pm@...ts.osdl.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [linux-pm] Null suspend/resume functions

Hi!

> > So you place a comment there; it should be there anyway. Having nop
> > during suspend/resume *is* unusual, and it should raise red flags.
> 
> This isn't a good assumption here.  Remember that this is for runtime PM
> so if we're getting as far as these calls then the driver has already
> told the core that it is idle, which probably means that the hardware is
> already quieseced.  For a lot of hardware that will mean that the

Ok, I did not realize we were talking runtime pm here.
								Pavel
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