[PATCH v8 06/14] usb: gadget.h: Add OTG to gadget interface
From: Roger Quadros <hidden>
Date: 2016-05-13 10:08:28
Also in:
linux-devicetree, lkml
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
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 <redacted> --- include/linux/usb/gadget.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 5d4e151..20a2f8a 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h@@ -1100,6 +1100,22 @@ 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 + * @connect_control: function to connect/disconnect from the bus + */ +struct otg_gadget_ops { + int (*start)(struct usb_gadget *gadget); + int (*stop)(struct usb_gadget *gadget); + int (*connect_control)(struct usb_gadget *gadget, bool connect); +}; /*-------------------------------------------------------------------------*/
--
2.7.4