From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932926AbaFKPWQ (ORCPT ); Wed, 11 Jun 2014 11:22:16 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:47168 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932123AbaFKPWO (ORCPT ); Wed, 11 Jun 2014 11:22:14 -0400 Date: Wed, 11 Jun 2014 08:26:04 -0700 From: Greg Kroah-Hartman To: Lu Baolu Cc: Mathias Nyman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] xhci: clear root port wake on bits if controller isn't wake-up capable Message-ID: <20140611152604.GA27630@kroah.com> References: <1402439120-78151-1-git-send-email-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1402439120-78151-1-git-send-email-baolu.lu@linux.intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 11, 2014 at 06:25:20AM +0800, Lu Baolu wrote: > When the xHCI PCI host is suspended, if do_wakeup is false in xhci_pci_suspend, > xhci_bus_suspend needs to clear all root port wake on bits. Otherwise some Intel > platform may get a spurious wakeup, even if PCI PME# is disabled. > > http://marc.info/?l=linux-usb&m=138194006009255&w=2 > > Signed-off-by: Lu Baolu > --- > drivers/usb/host/xhci-hub.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) Should this also be a stable kernel patch? If so, how far back? thanks, greg k-h