The OTG core will use struct otg_gadget_ops to start/stop the gadget controller. The main purpose of this interface is to avoid directly calling usb_gadget_start/stop() from the OTG core as they wouldn't be defined in the built-in symbol table if CONFIG_USB_GADGET is m. Signed-off-by: Roger Quadros <rogerq@xxxxxx> --- include/linux/usb/gadget.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 4f3dfb7..0b4b341 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -887,6 +887,20 @@ struct usb_gadget_driver { }; +/*-------------------------------------------------------------------------*/ + +/** + * struct otg_gadget_ops - Interface between OTG core and gadget + * + * Provided by the gadget core to allow the OTG core to start/stop the gadget + * + * @start: function to start the gadget + * @stop: function to stop the gadget + */ +struct otg_gadget_ops { + int (*start)(struct usb_gadget *gadget); + int (*stop)(struct usb_gadget *gadget); +}; /*-------------------------------------------------------------------------*/ -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html