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

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Date:	Tue, 02 Sep 2008 10:15:29 +0200
From:	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
To:	Li Yang-R58472 <LeoLi@...escale.com>
Cc:	avorontsov@...mvista.com, greg@...ah.com,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	dbrownell@...rs.sourceforge.net, linuxppc-dev@...abs.org
Subject: RE: [PATCH] usb: add Freescale QE/CPM USB peripheral
	controllerdriver

On Tue, 2008-09-02 at 16:12 +0800, Li Yang-R58472 wrote:
> > -----Original Message-----
> > From: Joakim Tjernlund [mailto:joakim.tjernlund@...nsmode.se] 
> > Sent: Tuesday, September 02, 2008 3:57 PM
> > To: Li Yang-R58472
> > Cc: avorontsov@...mvista.com; greg@...ah.com; 
> > linux-usb@...r.kernel.org; linux-kernel@...r.kernel.org; 
> > dbrownell@...rs.sourceforge.net; linuxppc-dev@...abs.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@...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@...escale.com>
> > > >> Signed-off-by: Li Yang <leoli@...escale.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 
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