From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: [PATCH] libata-pmp: add schedule timeout to support some PMP cards Date: Tue, 15 Nov 2011 10:24:59 -0500 Message-ID: <4EC2844B.9050904@teksavvy.com> References: <1320033440-1106-1-git-send-email-r66093@freescale.com> <20111103160759.GI4417@google.com> <8A2FC72B45BB5A4C9F801431E06AE48F11617501@039-SN1MPN1-005.039d.mgd.msft.net> <20111110152036.GB27258@google.com> <8A2FC72B45BB5A4C9F801431E06AE48F1161C24D@039-SN1MPN1-005.039d.mgd.msft.net> <20111115145111.GK30922@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from ironport2-out.teksavvy.com ([206.248.154.181]:11723 "EHLO ironport2-out.pppoe.ca" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753710Ab1KOPZA (ORCPT ); Tue, 15 Nov 2011 10:25:00 -0500 In-Reply-To: <20111115145111.GK30922@google.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Huang Changming-R66093 , "linux-ide@vger.kernel.org" On 11-11-15 09:51 AM, Tejun Heo wrote: > Hello, > > On Tue, Nov 15, 2011 at 08:43:02AM +0000, Huang Changming-R66093 wrote: >> The PMP card we are talking about is JMB393: >> Port Multiplier 1.2, 0x197b:0x0325 r0, 15 ports, feat 0x5/0xf. >> >> This issue is observed on Freescale's Sata controller, including p1020e and mpc837xe. > > Can you please try different combinations? ie. freescale sata + other > PMP and jmb393 + other sata controllers. We need to know more before > adding workarounds to upstream. Also, would you mind if I cc jmicron > ppl? I'm late tuning in here, but I have a JMB393 doorstop here and would love to have it actually work with Linux. It fails with all of my sata_sil, sata_sil24 and AHCI (including JMB) controllers. What's the patch that I need to test ? -ml