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
--
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