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

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Date:	Wed, 4 Jul 2007 09:11:43 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Oliver Neukum <oliver@...kum.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

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.

Paul.
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