linux-kernel - Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway

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Message-Id: <200707041011.33279.oliver@neukum.org>
Date:	Wed, 4 Jul 2007 10:11:33 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway

Am Mittwoch, 4. Juli 2007 schrieb Paul Mackerras:
> Oliver Neukum writes:
> 
> > USB devices certainly have suspend methods.
> 
> Indeed, and the USB framework has code to know when the host
> controller is suspended and avoid trying to send out urbs in that
> case.  Or at least it did last time I looked at it in any detail; it's
> been "just working" - including suspending and resuming, without the
> freezer - for quite a while now.

And what happens to that IO? I suspended and lost data is not an
acceptable behavior.

	Oliver


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