[U-Boot] [PATCH v2 1/6] h2200: Add support for iPAQ h2200 palmtop

[Marek Vasut]

Dear Łukasz Dałek,

> On 24.09.2012 01:25, Marek Vasut wrote:
> > Dear Łukasz Dałek,
> > 
> >> On 24.09.2012 01:05, Marek Vasut wrote:
> >>> Dear Łukasz Dałek,
> >>> 
> >>>> On 23.09.2012 23:31, Marek Vasut wrote:
> >>>>> Dear Łukasz Dałek,
> >>>>> 
> >>>>>> On 23.09.2012 23:04, Marek Vasut wrote:
> >>>>>>> PXA2xx is OHCI host with one OTG port.
> >>>>>>> 
> >>>>>>        From pxa255 documentation:
> >>>>>> "The UDC supports 16 endpoints and can operate half-duplex at a rate
> >>>>>> of 12 Mbps (as a slave only,
> >>>>>> not as a host or hub controller)."
> >>>>>> 
> >>>>>>> what about include/usb/pxa27x_udc.h ... btw can't pxa27x and pxa25x
> >>>>>>> UDC use the same driver?
> >>>>>> 
> >>>>>> pxa27x_udc driver is using older layer which doesn't work with usb
> >>>>>> ethernet driver.
> >>>>>> 
> >>>>>> Btw. pxa27x can be host, pxa25x can't.
> >>>>> 
> >>>>> Can you update the new gadget driver to be compatible with pxa27x
> >>>>> then ?
> >>>> 
> >>>> I don't have any board with pxa27x processor. And I'm quite sure that
> >>>> differences between pxa25x and pxa27x usb are too big. Even in
> >>>> Linux kernel are two separate drivers for 25x and 27x chips.
> >>> 
> >>> Isn't the 25x only a subset of the 27x ?
> >> 
> >> Maybe it is.
> >> 
> >> You've asked me if I could update driver to compatible with pxa27x and
> >> my answer is no. Maybe someone with pxa27x chip could.
> > 
> > I can test it. It'd be good to have only one driver and get rid of the
> > old one seems to be the way to go.
> 
> Does this driver work with usb ethernet gadget?

I have no idea, I never used it (and I'm not quite sure it's used at all). It's 
a rotting piece of code, maybe we should throw it out altogether.

> >> I will left that h2200.h header. I'm sure that it will be helpful some
> >> day.
> > 
> > For what exactly? Just put it into include/usb.h .
> 
> I can't. It doesn't compile because of #error at 170 line.

You know ... #elif defined () is your friend there. Besides seriously, it'd be 
very nice to share the error message if nothing else ...

> Łukasz Dałek

Best regards,
Marek Vasut