Date: Mon, 10 Dec 2007 23:07:16 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: benh@kernel.crashing.org
Cc: Ralf Baechle <ralf@linux-mips.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Greg KH <gregkh@suse.de>,
       Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: Re: Please revert: PCI: fix IDE legacy mode resources
Message-ID: <20071210230716.38da105a@the-village.bc.nu>
In-Reply-To: <1197319154.8692.13.camel@pasglop>
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> Forcing controllers into native mode tends to be something that really
> only works on -some- controllers. I'm happy to have a hack to try to do
> that on all of them on powermacs, because the range of controllers that
> might not be in native mode in the first place there is pretty small,
> and for CHRP briq, I do it for a specific known controller only.

I'm thinking of doing this solely if the platform has
CONFIG_ATA_NO_LEGACY set. In other words we'd only try this stunt on a
system we *know* cannot address the low PCI space ports.

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