RE: [PATCH] usb: add Freescale QE/CPM USB peripheral controllerdriver

Joakim Tjernlund
2008-09-02T08:15:49Z

On Tue, 2008-09-02 at 16:12 +0800, Li Yang-R58472 wrote:
> > -----Original Message-----
> > From: Joakim Tjernlund [mailto:joakim.tjernlund@transmode.se]
> > Sent: Tuesday, September 02, 2008 3:57 PM
> > To: Li Yang-R58472
> > Cc: avorontsov@ru.mvista.com; greg@kroah.com;
> > linux-usb@vger.kernel.org; linux-kernel@vger.kernel.org;
> > dbrownell@users.sourceforge.net; linuxppc-dev@ozlabs.org
> > Subject: Re: [PATCH] usb: add Freescale QE/CPM USB peripheral
> > controllerdriver
> >
> > On Tue, 2008-09-02 at 15:35 +0800, Li Yang wrote:
> > > On Tue, Sep 2, 2008 at 1:11 AM, Anton Vorontsov
> > > <avorontsov@ru.mvista.com> wrote:
> > > > On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
> > > >> Some of Freescale SoC chips have a QE or CPM co-processor which
> > > >> supports full speed USB. The driver adds device mode support of
> > > >> both QE and CPM USB controller to Linux USB gadget. The
> > driver is
> > > >> tested with MPC8360 and MPC8272, and should work with
> > other models
> > > >> having QE/CPM given minor tweaks.
> > > >>
> > > >> Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
> > > >> Signed-off-by: Li Yang <leoli@freescale.com>
> > > >> ---
> > > >> This is the second submission of the driver. This
> > version addressed:
> > > >> Comments from Anton Vorontsov.
> > > >> A lot of cosmetic problem.
> > > >> Sparse and various kernel DEBUG warnings.
> > > >
> > > > Just caught this:
> > > >
> > > > g_ether gadget: high speed config #1: CDC Ethernet (ECM)
> >
> > Does RNDIS work too? If not, is it possible to add or doesn't
> > the HW support it?
>
> RNDIS is a gadget(protocol) level thing. I believe it can work with
> this driver although not tested myself.
>
> Noted: AFAIK, RNDIS gadget in Linux doesn't interoperate with windows
> well enough to be production level. Use at your own risk.

I see. If one wants to connect with CDC to Windows, what drivers are
there for Windows that works well with Linux?

Jocke