From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume, COMRESET failed Date: Wed, 15 Feb 2012 10:31:39 -0800 Message-ID: <20120215183139.GC24986@google.com> References: <20120206024052.GI9413@gamma.logic.tuwien.ac.at> <1328496591.15079.40.camel@minggr> <20120206031528.GA16093@gamma.logic.tuwien.ac.at> <1328503376.15079.55.camel@minggr> <20120206161943.GA3926@google.com> <20120213174445.GD12117@google.com> <20120215165706.GA24986@google.com> <4F3BF989.8060607@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-iy0-f174.google.com ([209.85.210.174]:46638 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753264Ab2BOSbp (ORCPT ); Wed, 15 Feb 2012 13:31:45 -0500 Content-Disposition: inline In-Reply-To: <4F3BF989.8060607@garzik.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: Brian Norris , Lin Ming , Norbert Preining , "Srivatsa S. Bhat" , linux-kernel@vger.kernel.org, "stern@rowland.harvard.edu >> Alan Stern" , linux-ide@vger.kernel.org, Linux PM mailing list , "Rafael J. Wysocki" , Jian Peng , Kevin Cernekee , valdis.kletnieks@vt.edu, Mark Lord Hey, Jeff. On Wed, Feb 15, 2012 at 01:29:29PM -0500, Jeff Garzik wrote: > A module parameter is not necessarily the best/only option. > ahci_platform already has infrastructure set up to deal with > platform-specific quirks. An internal flag seems more appropriate > to enable automatic handling of this on the specific platforms where > it applies (plus the revert Tejun has already mentioned). The problem is that there's no way to identify the controller in question, so we can't do this automatically, so might just as well do it in the simplest way for now. :( Thanks. -- tejun