From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755781AbcFGRaU (ORCPT ); Tue, 7 Jun 2016 13:30:20 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36741 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754679AbcFGRaS (ORCPT ); Tue, 7 Jun 2016 13:30:18 -0400 Date: Tue, 7 Jun 2016 10:30:17 -0700 From: Greg KH To: Marc Haber Cc: "linux-kernel@vger.kernel.org" , linux-usb@vger.kernel.org Subject: Re: USB broken on Banana Pi in Linux 4.6 Message-ID: <20160607173017.GA25514@kroah.com> References: <20160530190250.GA26198@torres.zugschlus.de> <20160530204712.GA9225@kroah.com> <20160603065358.GA12054@torres.zugschlus.de> <20160603153511.GA28326@kroah.com> <20160607170600.GA22014@torres.zugschlus.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160607170600.GA22014@torres.zugschlus.de> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 07, 2016 at 07:06:00PM +0200, Marc Haber wrote: > On Fri, Jun 03, 2016 at 08:35:11AM -0700, Greg KH wrote: > > On Fri, Jun 03, 2016 at 08:53:58AM +0200, Marc Haber wrote: > > > On Mon, May 30, 2016 at 01:47:12PM -0700, Greg KH wrote: > > > > On Mon, May 30, 2016 at 09:02:54PM +0200, Marc Haber wrote: > > > > > Hi, > > > > > > > > > > on my Bananapis, in kernel 4.6 USB does not work. Kernel configuration > > > > > is USB-wise identical to 4.5 (grepped for differences in (hci|usb)), > > > > > and in 4.6 there is not even /dev/bus/usb. > > > > > > > > > > In kernel 4.6, the message "ohci-platform: OHCI generic platform > > > > > driver" is the last one, and "ehci-platform 1c14000.usb: EHCI Host > > > > > Controller" is the first one that is missing. > > > > > > > > > > Is this already a known issue? Or, does a 4.6 kernel need to be > > > > > configured differently if you want USB? > > > > > > > > Are you sure you configured in the correct host controller that you > > > > want? Have you done a diff of your .config files to see what you > > > > changed? How did you create your 4.6 config? > > > > > > I used make oldconfig, and I diffed the configs for (hci|usb), and > > > there is no difference. > > > > There might be other things than HCI|USB that are the issue here... > > Full config diff attached. Hints are appreciated. Nothing obvious, can you use 'git bisect' to go from 4.5.0 to 4.6.0 to find the offending commit? thanks, greg k-h