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    Subject[PATCHv5 10/11] USB: gadget: composite: addad disconnect callback
    Added a disconnect() callback to compasite devices which
    is called by composite glue when its disconnect callback
    is called by gadget.

    Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
    Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
    Acked-by: David Brownell <dbrownell@users.sourceforge.net>
    ---
    drivers/usb/gadget/composite.c | 2 ++
    include/linux/usb/composite.h | 2 ++
    2 files changed, 4 insertions(+), 0 deletions(-)

    diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
    index 125167e..e483f80 100644
    --- a/drivers/usb/gadget/composite.c
    +++ b/drivers/usb/gadget/composite.c
    @@ -956,6 +956,8 @@ static void composite_disconnect(struct usb_gadget *gadget)
    spin_lock_irqsave(&cdev->lock, flags);
    if (cdev->config)
    reset_config(cdev);
    + if (composite->disconnect)
    + composite->disconnect(cdev);
    spin_unlock_irqrestore(&cdev->lock, flags);
    }

    diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
    index f378075..890bc14 100644
    --- a/include/linux/usb/composite.h
    +++ b/include/linux/usb/composite.h
    @@ -276,6 +276,8 @@ struct usb_composite_driver {
    int (*bind)(struct usb_composite_dev *);
    int (*unbind)(struct usb_composite_dev *);

    + void (*disconnect)(struct usb_composite_dev *);
    +
    /* global suspend hooks */
    void (*suspend)(struct usb_composite_dev *);
    void (*resume)(struct usb_composite_dev *);
    --
    1.7.1


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