Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765378AbYFGBdf (ORCPT ); Fri, 6 Jun 2008 21:33:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933643AbYFGBak (ORCPT ); Fri, 6 Jun 2008 21:30:40 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:48521 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933623AbYFGBai (ORCPT ); Fri, 6 Jun 2008 21:30:38 -0400 Date: Fri, 6 Jun 2008 18:27:15 -0700 (PDT) From: Linus Torvalds To: Chris Wright cc: linux-kernel@vger.kernel.org, stable@kernel.org, Jeff Garzik , IDE/ATA development list , Justin Forbes , Zwane Mwaikambo , "Theodore Ts'o" , Randy Dunlap , Dave Jones , Chuck Wolber , Chris Wedgwood , Michael Krufky , Chuck Ebbert , Domenico Andreoli , akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Tejun Heo , matthieu.castet@parrot.com, Greg Kroah-Hartman Subject: Re: [patch 10/50] libata: force hardreset if link is in powersave mode In-Reply-To: <20080607010555.470605116@sous-sol.org> Message-ID: References: <20080607010215.358296706@sous-sol.org> <20080607010555.470605116@sous-sol.org> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 790 Lines: 23 On Fri, 6 Jun 2008, Chris Wright wrote: > > -stable review patch. If anyone has any objections, please let us know. > --------------------- > > From: Tejun Heo > > Inhibiting link PM mode doesn't bring the link back online if it's > already in powersave mode. If SRST is used in these cases, libata EH > thinks that the link is offline and fails detection. Force hardreset > if link is in powersave mode. This isn't upstream. Maybe there's some reason it's not needed upstream, but it would be nice to know. Linus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/