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@vger.kernel.org