From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: Merging libata PATA support into the base kernel
Date: Fri, 18 Aug 2006 21:50:54 +0100
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To: Lee Trager <Lee@PicturesInMotion.net>
Cc: Pavel Machek <pavel@suse.cz>, "Rafael J. Wysocki" <rjw@sisk.pl>, Jason Lunz <lunz@falooley.org>, Jens Axboe <axboe@suse.de>, Andi Kleen <ak@suse.de>, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Stefan Seyfried <seife@suse.de>

Ar Gwe, 2006-08-18 am 15:22 -0400, ysgrifennodd Lee Trager:
> Well where in the kernel is the code that disabled HPA on startup? Im
> new to kernel hacking so if you could point me in the right direction I
> could try to patch it myself.

drivers/ide/ide-disk.c

Particularly:
	idedisk_check_hpa()

which if you call at the end of the resume sequence for disks ought to
do the right thing for you