From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: SATA port multiplier(Marvell 6121 with ahci) and Marvell 4140, simg 3726 Date: Fri, 01 Aug 2008 09:10:06 -0400 Message-ID: <48930B2E.9060604@pobox.com> References: <788014650807302022j30cea641wcfe4105ac8702b8c@mail.gmail.com> <48918D52.3010404@gmail.com> <48918DD9.9050603@kernel.org> <788014650807310612x70347f8dt56ed650dc6b8c5ca@mail.gmail.com> <48926F7E.1020807@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from a-sasl-quonix.sasl.smtp.pobox.com ([208.72.237.25]:61187 "EHLO sasl.smtp.pobox.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751442AbYHANKQ (ORCPT ); Fri, 1 Aug 2008 09:10:16 -0400 In-Reply-To: <48926F7E.1020807@kernel.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: khchen@synology.com, linux-ide@vger.kernel.org Tejun Heo wrote: > KueiHuan Chen wrote: >> Thanks your reply Tejun, i would try it ^__^. >> >> Before that, Could i ask a question that had you ever try to using >> port multiplier(sil 3726 or marvel 4140) with 6121/6145 >> succefully(with ahci.c) ? > > Eh.. another mistake by me. I was talking about controllers supported > by sata_mv. Mark Lord worked on it and added PMP support. AFAIK PMP > support on 6145/6121 is yet to arrive. Right, Mark? .. I have exactly zero documentation on those chips, but they are supposedly AHCI compliant. Looking in drivers/ata/ahci.c, one can see that the chips are indeed supported, and there the AHCI_HFLAG_NO_PMP is *not* set, so one might expect them to work with a port-multiplier already. ? Cheers -- Mark Lord Real-Time Remedies Inc. mlord@pobox.com