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Date: Thu, 27 Mar 2008 06:53:49 +0100
From: Andi Kleen <andi@firstfloor.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Ingo Molnar <mingo@elte.hu>, Andi Kleen <andi@firstfloor.org>,
       kernel list <linux-kernel@vger.kernel.org>, Greg KH <greg@kroah.com>,
       "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: iommu breaks usb after resume
Message-ID: <20080327055349.GC29105@one.firstfloor.org>
References: <20080320111429.GA14764@elf.ucw.cz> <20080321135418.GB2346@one.firstfloor.org> <20080326102151.GB18965@elf.ucw.cz> <20080326130052.GF2170@one.firstfloor.org> <20080326225407.GA9378@elf.ucw.cz> <20080326230017.GA21017@elte.hu> <20080326230500.GB9378@elf.ucw.cz>
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> Signed-off-by: Pavel Machek <pavel@suse.cz>
> 
> (it is GPLed) ...but it is totally untested, and probably same fix
> needs to go to all the agp drivers...?

No the other AGP drivers don't have IOMMU functionality.

Also there still need to be Kconfig changes or alternatively 
extracting the suspend/resume code to another file that is selected
by both AGP and IOMMU.

-Andi