From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755360AbYKNDbb (ORCPT ); Thu, 13 Nov 2008 22:31:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751662AbYKNDbU (ORCPT ); Thu, 13 Nov 2008 22:31:20 -0500 Received: from kroah.org ([198.145.64.141]:38968 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751618AbYKNDbT (ORCPT ); Thu, 13 Nov 2008 22:31:19 -0500 Date: Thu, 13 Nov 2008 19:27:59 -0800 From: Greg KH To: Andiry Xu Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, volker.armin.hemmann@tu-clausthal.de, shane.huang@amd.com, libin.yang@amd.com Subject: Re: [PATCH] usb: fix SB700 usb subsystem hang bug Message-ID: <20081114032759.GD15204@kroah.com> References: <1226632708.5796.28.camel@crane-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1226632708.5796.28.camel@crane-desktop> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 14, 2008 at 11:18:28AM +0800, Andiry Xu wrote: > This patch is required for AMD SB700 south bridge revision A12 and A13 to avoid > USB subsystem hang symptom. The USB subsystem hang symptom is observed when the > system has multiple USB devices connected to it. In some cases a USB hub may be > required to observe this symptom. > > This patch works around the problem by correcting the internal register setting > that will help by changing the behavior of the internal logic to avoid the > USB subsystem hang issue. The change in the behavior of the logic does not > impact the normal operation of the USB subsystem. > > Signed-off-by: Andiry Xu > Signed-off-by: Libin Yang Care to add the "Reported-by:" and "Tested-by:" lines for the people who helped bring this to your attention and resend it? thanks, greg k-h