Re: [PATCH v10 08/14] usb: otg: add OTG/dual-role core
From: Felipe Balbi
Date: Fri Jun 10 2016 - 07:02:57 EST
Hi,
Roger Quadros <rogerq@xxxxxx> 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
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