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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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