Re: USB broken on Banana Pi in Linux 4.6

From: Greg KH
Date: Fri Jun 03 2016 - 11:35:18 EST


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...