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SubjectRe: State of resume for AHCI?
Jens Axboe wrote:
> On Fri, Jun 02 2006, zhao, forrest wrote:
>> On Fri, 2006-06-02 at 08:03 +0200, Jens Axboe wrote:
>>> On Thu, Jun 01 2006, Jeremy Fitzhardinge wrote:
>>>> Jens Axboe wrote:
>>>>> It's a lot more complicated than that, I'm afraid. ahci doesn't even
>>>>> have the resume/suspend methods defined, plus it needs more work than
>>>>> piix on resume.
>>>>>
>>>> Hannes Reinecke's patch implements those functions, basically by
>>>> factoring out the shutdown and init code and calling them at
>>>> suspend/resume time as well.
>>>>
>>>> Is that correct/sufficient? Or should something else be happening?
>>> No that's it, I know for a fact that suspend/resume works perfectly with
>>> the 10.1 suse kernel. You can give that a shot, if you want.
>> You may mean the Hannes's patch for 10.1 SUSE kernel. Hannes's patch
>> posted in open source community(or in linux-ide mailing list) didn't
>> work.
>
> I didn't say Hannes patch, I said I know that 10.1 works. And that is
> probably in large due to the patch that Hannes did, which implents
> resume/suspend and takes care of reinitializing the resources.
>
Indeed. I didn't post the latest set of patches to the open-source
community as Jeff indicated he would only accept patches against
libata-dev. And as I didn't have time to port them yet I didn't feel the
need to do so.

Forrest, please drop me a mail if I can be of further assistance.

Cheers,

Hannes
--
Dr. Hannes Reinecke hare@suse.de
SuSE Linux Products GmbH S390 & zSeries
Maxfeldstraße 5 +49 911 74053 688
90409 Nürnberg http://www.suse.de
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