Re: USB Gadget Driver query

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On Mon, Jan 25, 2010 at 11:26:10AM +0200, Felipe Balbi wrote:
> On Fri, Jan 22, 2010 at 09:50:21PM +0100, ext Greg KH wrote:
> >On Fri, Jan 22, 2010 at 10:33:07PM +0200, Felipe Balbi wrote:
> >> Hi all,
> >>
> >> I'm trying to think of a way for passing usb idVendor, idProduct and
> >> some strings to the gadget driver via some platform_data but I can't
> >> come up with a way that would work for all gadget drivers, specially
> >> wrt functions that have to be bound several times.
> >>
> >> Does anyone have a good idea for solving that ?
> >>
> >> The problem I'm trying to solve is when building a kernel for several
> >> different devices, then we have to keep on adding if
> >> (machine_is_xxxx()), and that only works on ARM-based kernel images
> >> afaict.
> >
> >Isn't the Device Tree stuff supposed to help solve this type of problem?
> 
> for gadget drivers ? I thought device tree was supposed to enumerate 
> actual HW, no ? So it would be useful for the controller driver, I mean, 
> for drivers/usb/gadget/*_udc.c

But this is a "hardware description" type thing, so I would sure hope
that it would apply here.

If not, it should be changed to do so.

thanks,

greg k-h
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