linux-kernel - Re: Please revert: PCI: fix IDE legacy mode resources

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Message-ID: <20071210150126.7cec9cbc@the-village.bc.nu>
Date:	Mon, 10 Dec 2007 15:01:26 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ralf Baechle <ralf@...ux-mips.org>
Cc:	benh@...nel.crashing.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Yoichi Yuasa <yoichi_yuasa@...peaks.co.jp>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: Re: Please revert: PCI: fix IDE legacy mode resources

> It seems the whole MIPS resource managment is complicated enough (out of
> necessity) that only a few people actually grok it.  Ioports being
> actually memory mapped on MIPS only makes the confusion worse, sigh.

If the hardware cannot map the low PCI space then set
CONFIG_NO_ATA_LEGACY and the ATA layer will leave legacy ports alone.
Unfortunately its not clear we can make that mode try and force
controllers into native. We could try that if the MIPS and PPC people
want ?

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