Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753013AbaGKKPg (ORCPT ); Fri, 11 Jul 2014 06:15:36 -0400 Received: from mail.sysmocom.de ([144.76.43.93]:37880 "EHLO mail.sysmocom.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751664AbaGKKPe (ORCPT ); Fri, 11 Jul 2014 06:15:34 -0400 X-Greylist: delayed 424 seconds by postgrey-1.27 at vger.kernel.org; Fri, 11 Jul 2014 06:15:34 EDT Date: Fri, 11 Jul 2014 12:08:22 +0200 From: Holger Hans Peter Freyther To: Dan Williams Cc: Greg KH , Takashi Iwai , Mathias Nyman , USB list , "linux-kernel@vger.kernel.org" , Sarah Sharp , Oliver Neukum Subject: Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter Message-ID: <20140711100822.GN22956@xiaoyu.lan> References: <1399566363-25837-1-git-send-email-mathias.nyman@linux.intel.com> <1399566363-25837-3-git-send-email-mathias.nyman@linux.intel.com> <20140520010137.GA8146@kroah.com> <537B24B8.9050303@linux.intel.com> <20140520203432.GB30178@kroah.com> <20140524063945.GA14727@xiaoyu.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Sat, May 24, 2014 at 07:13:12AM -0700, Dan Williams wrote: Good Afternoon, > Let me see if I can achieve this with a debugfs interface so that > 'noxhci_port_switch' does not become a permanent ABI per Greg's > concern. I wonder if there is another non-ABI option? Couldn't the ports be unconditionall switched back to EHCI when unloading the xhci module? I know it is just a workaround (but then again I don't have any usb 3.0 devices). :) cheers holger -- 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/