From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Promise TX4 + SiI 3726 : only one disk visible Date: Tue, 16 May 2006 11:34:13 +0900 Message-ID: <44693A25.8060302@gmail.com> References: <6EB652BF05BEE44FA2A29B23F3A71528045B3857@UBIMAIL1.ubisoft.org> <44690D90.2030208@gmail.com> <44691172.8040402@pobox.com> <446915AB.8000205@garzik.org> <89d273ba0605151712q7d6ab748q52ab321d45848a53@mail.gmail.com> <44691A3D.4040804@gmail.com> <89d273ba0605151924o5ce25807qe01ca3b9e2715b6@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from wr-out-0506.google.com ([64.233.184.236]:39217 "EHLO wr-out-0506.google.com") by vger.kernel.org with ESMTP id S1751070AbWEPCeT (ORCPT ); Mon, 15 May 2006 22:34:19 -0400 Received: by wr-out-0506.google.com with SMTP id i28so984451wra for ; Mon, 15 May 2006 19:34:19 -0700 (PDT) In-Reply-To: <89d273ba0605151924o5ce25807qe01ca3b9e2715b6@mail.gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: =?UTF-8?B?SsOpcsO0bWUgVlVBUkFORA==?= Cc: Jeff Garzik , Jerome Vuarand , linux-ide@vger.kernel.org J=C3=A9r=C3=B4me VUARAND wrote: > Latest libata feature table mentions port multiplier support as "(pat= ch=20 > available)". Is that "patch" refering to tejun patch ? If not is that= an=20 > evolution or another branch ? Where is it available ? It don't seem t= o=20 > be inside 2.6.17-rc4-git2-libata1.patch, but I had only a quick look = at=20 > the patch content. Yeap, it probably is referring to my patch. The PM part is not include= d=20 in any other trees yet. PM is gonna take some time to get merged.=20 Also, 3726 needs a quirk patch to work with the current PMP support.=20 I'm still trying to sort out hotplug spinup delaying, so it might take=20 some time. > If I should still use 2.6.16.16 and tj patches, is= =20 > porting 0121-sata_sil24-implement-PM-support.patch to sata_promise=20 > enough or are the other sata_sil24 patches also needed (0117 to 0122)= ? Actually, it's a bigger than the said patch. To do PM, sata_promise=20 must be converted to new EH and thus to use hotplug framework, then, th= e=20 PM support. Look at how many patches update sata_sil24 in my patch ser= ies. > Also Jeff mentionned information about port multiplier support in=20 > PDC205xx. Is there any documentation freely available somewhere ? I=20 > looked on Promise site but found nothing. Should I contact Promise=20 > myself as a customer to obtain documentation or maybe look at Promise= =20 > driver ? The doc is available under NDA. I don't know about Promise's NDA polic= y=20 but in my experience getting docs is often difficult. --=20 tejun