Re: OMAP3 & USB NFS root

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On Mon, 2011-02-14 at 07:48 -0600, Balbi, Felipe wrote:
> On Mon, Feb 14, 2011 at 03:46:46PM +0200, Tomi Valkeinen wrote:
> > Hi,
> > 
> > I've been trying to get USB ethernet gadget driver working so that I can
> > use NFS root to boot my board (overo or beagle).
> > 
> > With 2.6.37 I did get it work, but only after I enabled host mode and
> > set the driver mode to OTG. With just USB peripheral mode it didn't seem
> > to work.
> > 
> > With 2.6.38-rc4 I don't seem to get it working at all, not matter what
> > config options I have tried.
> > 
> > And when I say "not working" I mean I don't get any output about USB
> > when the kernel is waiting for the rootfs. Not even if I unplug and plug
> > the USB cable. And the PC's kernel messages don't show anything when the
> > board's kernel boots up.
> > 
> > I've attached the configs I have tried.
> 
> try this patch:
> 
> commit d5f42190e7cf11b20face63ee96f26c7d2067b63
> Author: Ming Lei <tom.leiming@xxxxxxxxx>
> Date:   Wed Jan 5 22:03:21 2011 +0800
> 
>     arm: omap4: panda: remove usb_nop_xceiv_register(v1)
>     
>     Panda uses both twl6030 otg phy(vbus, id) and internal
>     phy(data lines, DP/DM), so removes usb_nop_xceiv_register to make
>     twl6030 otg driver working since current otg code only supports
>     one global transceiver. Otherwise, musb doesn't work without
>     the remove.

I don't use Panda (yet, damn fedex...), but Overo or Beagle.

 Tomi


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