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Date: Mon, 19 Feb 2007 22:08:12 +0000
From: Alan <alan@lxorguk.ukuu.org.uk>
To: Jeff Garzik <jeff@garzik.org>
Cc: Robert Hancock <hancockr@shaw.ca>,
       Tobias Diedrich <ranma+kernel@tdiedrich.de>,
       Linux Kernel ML <linux-kernel@vger.kernel.org>,
       linux-ide@vger.kernel.org
Subject: Re: pata_amd dropping to PIO on resume
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> Deleting the ata_pci_clear_simplex() call, then adding 
> ATA_FLAG_IGN_SIMPLEX to the ata_port_info info[] array, is also worth 
> trying.

I think I know what is going on here. Firstly the simplex bits
need re-clearing on a resume. On my todo list now I'm back