Re: State of resume for AHCI?

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On Fri, Jun 02 2006, Hannes Reinecke wrote:
> 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.

Understandable, I hope you will have some time to push it for 2.6.18
though.

-- 
Jens Axboe

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