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

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Message-ID: <18059.31346.806801.871454@cargo.ozlabs.ibm.com>
Date:	Wed, 4 Jul 2007 20:46:10 +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:

> You cannot simply restart the URB without thinking.
> The device after resumption may or may not be in the stage
> you left it. It needs to be rechecked and some settings must be
> renewed. You cannot simple throw an URB from an arbitrary
> stage of the protocol at it.
> Suspension of devices can only happen at some points
> in the protocol.

Yeah, and?

I said "the higher-level driver needs to do the sensible thing".

Paul.
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