Hi,

Roger Quadros <rogerq@ti.com> writes:
>>> What is wrong with calling it gadget controller?
>> 
>>    It's not a controller, it's a piece of software AFAIU. Or is my English just too weak? :-)
>
> Everything at this point is a piece of software :).
>
> struct usb_gadget, represents the gadget controller device not the
> driver (or software).
>
> struct usb_gadget_driver represents the gadget function driver.
> struct usb_gadget_ops represents the UDC driver ops.

right, and usb_udc was added just to have a way of linking usb_gadget
with usb_gadget_driver so we could have more than one peripheral port in
a system.

-- 
balbi