[PATCH 1/1 v2] ehci-mxc: Fix mx31 OTG host initialisation

Philippe Rétornaz philippe.retornaz at epfl.ch
Thu May 13 13:04:42 EDT 2010


Le mercredi, 12 mai 2010 20.50:05, Greg KH a écrit :
> On Wed, May 12, 2010 at 09:23:48AM +0200, Philippe Rétornaz wrote:
> > Le mercredi, 12 mai 2010 01.38:12, Greg KH a écrit :
> > > On Tue, May 11, 2010 at 04:14:34PM +0200, Philippe Rétornaz wrote:
> > > > On mx31 the OTG host initialisation fails if you need to have
> > > > an ULPI transfert to initialize the PHY.
> > > >
> > > > In order to be able to communicate with the PHY a complete reset
> > > > of the usb host is needed. After the PHY initialization the host
> > > > usb configuration registers need to be rewritten to avoid a host
> > > > controller lockup.
> > > >
> > > > Signed-off-by: Philippe Rétornaz <philippe.retornaz at epfl.ch>
> > > > ---
> > > >  drivers/usb/host/ehci-mxc.c |   98
> > > > ++++++++++++++++++++++++++++++++++++++-----
> > >
> > > This patch doesn't apply anymore, can you redo it against the
> > > linux-next tree?
> >
> > It apply cleanly on next-20100512.
> >
> > It needs commit 5a25ad84e01173bb225285eb50f9af48ed1a7598 to apply, but
> > this one is in linux-next now.
> 
> Where is that patch from?  Some other tree?

Yes, it looks like it's from the mxc-master tree:
http://git.pengutronix.de/?p=imx/linux-2.6.git;a=commitdiff;h=5a25ad84e01173bb225285eb50f9af48ed1a7598

Which has been merged inside linux-next.

Regards,
Philippe





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