Where should I ask about USB Target code?

[Greg KH]

On Fri, Apr 25, 2014 at 10:32:01AM -0400, Larry Martin wrote:
> I am developing a USB print capture device based on Gumstix Overo (TI 
> OMAP) and the Gadget printer driver in Linaro 3.5.0 distribution.  It 
> looks like the distributed gadget driver may not be responding to USB 
> Setup messages.  I have used printk to verify that my data is correct 
> when function composite_setup returns, but it does not appear on my 
> Beagle 12 USB analyzer.  I have not changed anything lower down than 
> composite.c.  Reading the code in usb/core is not helping much.  I 
> really want to trace the call stack from composite_setup back to the 
> silicon, but cannot find where the .setup method of the composite driver 
> is called.
> 
> So my newbie question is, where do I go to find people who are into this 
> part of the kernel and talk it over with them?

linux-usb at vger.kernel.org