From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH 1/1] ide: Allow disabling of UDMA for Compact Flash
	devices
Date: Tue, 18 Apr 2006 12:14:18 +0100
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To: James Ausmus <james.ausmus@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org

On Llu, 2006-04-17 at 16:11 -0700, James Ausmus wrote:
> Some IDE -> Compact Flash media adapters are not capable of supporting
> UDMA, which can cause very slow boot times when the CF media itself
> reports as capable of UDMA transfer speeds. Create Kconfig option to
> turn off the UDMA capability bit when media is identified as Compact
> Flash.

This would be far better if it was a boot time option than a kernel
configuration or set using sysfs/procfs controls as users will not want
to recompile their kernel in such cases.