From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: sata-sil drive detection issues. Date: Thu, 24 Feb 2011 11:21:47 -0500 Message-ID: <4D66859B.3020806@teksavvy.com> References: <4D5C92F4.5000906@crc.id.au> <4D5CA2B1.8020905@crc.id.au> <20110217095815.GN19830@htj.dyndns.org> <20110218091629.GC21209@htj.dyndns.org> <4D65C155.7080902@crc.id.au> <20110224083123.GB7840@htj.dyndns.org> <4D662A8B.5050501@crc.id.au> <20110224100609.GF7840@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from ironport2-out.teksavvy.com ([206.248.154.183]:15174 "EHLO ironport2-out.pppoe.ca" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756216Ab1BXQVu (ORCPT ); Thu, 24 Feb 2011 11:21:50 -0500 In-Reply-To: <20110224100609.GF7840@htj.dyndns.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Steven Haigh , linux-ide@vger.kernel.org, justin@jmicron.com On 11-02-24 05:06 AM, Tejun Heo wrote: > >> Near the rear: >> JMB352 / 0834 LGBA1 A / 370JF3011 - This looks to be hooked up via >> some capacitors to the DATA data lines on both sockets. If I haven't >> mentioned before, this is a 2 x SATA drive bay cradle. > > This is the SATA part. > >> A third tiny chip near the JMB352 is: >> GL850A / MN2FA01G11 / 911SK03111 - Not 100% sure of the function of >> this chip by following the tracks, but it looks like it might be >> some kind of a clock source. That is a wild guess though! > > This is USB thingie. > > So, the offending part is JMB352. Justin, when JMB352 is doing e-SATA > interface, it's failing IDENTIFY. sata_sil fails to recognize it and > ahci (right? Steven) succeeds only after IDENTIFY failures and > retries. Any ideas what's going on? When doing e-SATA, is the chip > active or passive? ie. Does it just pass through the signals or do > some meddling inbetween? Since this is a dual-SATA device, does it have TWO eSATA ports at the back, or just one? If the latter, then I'd expect to find a port-multiplier in the chain. Cheers