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SubjectRe: [RFC]add ACPI hooks for IDE suspend/resume
On Tue, Dec 06, 2005 at 02:10:04PM +0800, Shaohua Li wrote:

> TODO: invoking ATA commands.
>
> Though we didn't invoke ATA commands, this patch fixes the bug at
> http://bugzilla.kernel.org/show_bug.cgi?id=5604. And Matthew said this
> actually fixes a lot of systems in his test.
> I'm not familiar with IDE, so comments/suggestions are welcome.

Of the DSDTs I've looked at, most seem to provide taskfile commands
concerned about doing things like setting up drive security. I haven't
yet seen an IDE failure on resume when using this patch, so the _GTF
stuff doesn't seem terribly important. The reason for it not currently
being implemented is that the IDE queues haven't been restarted at the
point where this code is called, so there's no obvious way of submitting
them to the drive yet.

--
Matthew Garrett | mjg59@srcf.ucam.org
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