Messages in this thread Patch in this message |  | | From | Roger Quadros <> | Subject | [PATCH v4 06/13] usb: gadget.h: Add OTG to gadget interface | Date | Mon, 24 Aug 2015 16:21:17 +0300 |
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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@ti.com> Reviewed-by: Peter Chen <peter.chen@freescale.com> --- 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 c14a69b..c019242 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -1052,6 +1052,20 @@ 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
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