From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: State of resume for AHCI? Date: Fri, 02 Jun 2006 08:43:58 +0200 Message-ID: <447FDE2E.5010401@suse.de> References: <447F23C2.8030802@goop.org> <447F3250.5070101@rtr.ca> <20060601183904.GR4400@suse.de> <447F4BC2.8060808@goop.org> <20060602060323.GS4400@suse.de> <1149228204.13451.8.camel@forrest26.sh.intel.com> <20060602064148.GT4400@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from ns.suse.de ([195.135.220.2]:1241 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1751215AbWFBGoA (ORCPT ); Fri, 2 Jun 2006 02:44:00 -0400 In-Reply-To: <20060602064148.GT4400@suse.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jens Axboe Cc: "zhao, forrest" , Jeremy Fitzhardinge , Mark Lord , Jeff Garzik , Linux Kernel Mailing List , linux-ide@vger.kernel.org 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 e= ven >>>>> have the resume/suspend methods defined, plus it needs more work = than >>>>> piix on resume. >>>>> =20 >>>> Hannes Reinecke's patch implements those functions, basically by=20 >>>> factoring out the shutdown and init code and calling them at=20 >>>> 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. >=20 > 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. >=20 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 th= e need to do so. =46orrest, please drop me a mail if I can be of further assistance. Cheers, Hannes --=20 Dr. Hannes Reinecke hare@suse.de SuSE Linux Products GmbH S390 & zSeries Maxfeldstra=DFe 5 +49 911 74053 688 90409 N=FCrnberg http://www.suse.de