Re: [PATCH 1/1] ide: Allow disabling of UDMA for Compact Flash devices
- From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
- Date: Tue, 18 Apr 2006 12:14:18 +0100
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.
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