usb: gadget: add reset API at usb_gadget_driver

[deliverable/linux.git] / include / linux / usb / gadget.h

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index c540557b564be30b9fe2ef5218316bb426747c3e..598a6e9b28505cd6dcdada143f9f3dfeaba7434f 100644 (file)
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -817,6 +817,8 @@ static inline int usb_gadget_disconnect(struct usb_gadget *gadget)
  *     Called in a context that permits sleeping.
  * @suspend: Invoked on USB suspend.  May be called in_interrupt.
  * @resume: Invoked on USB resume.  May be called in_interrupt.
+ * @reset: Invoked on USB bus reset. It is mandatory for all gadget drivers
+ *     and should be called in_interrupt.
  * @driver: Driver model state for this driver.
  *
  * Devices are disabled till a gadget driver successfully bind()s, which
@@ -874,6 +876,7 @@ struct usb_gadget_driver {
        void                    (*disconnect)(struct usb_gadget *);
        void                    (*suspend)(struct usb_gadget *);
        void                    (*resume)(struct usb_gadget *);
+       void                    (*reset)(struct usb_gadget *);
 
        /* FIXME support safe rmmod */
        struct device_driver    driver;