linux-kernel - [PATCHv7 10/11] USB: gadget: composite: added disconnect callback

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Date:	Mon, 21 Jun 2010 13:57:08 +0200
From:	Michal Nazarewicz <m.nazarewicz@...sung.com>
To:	linux-usb@...r.kernel.org
Cc:	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg KH <greg@...ah.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCHv7 10/11] USB: gadget: composite: added disconnect callback

Added a disconnect() callback to composite devices which
is called by composite glue when its disconnect callback
is called by gadget.

Signed-off-by: Michal Nazarewicz <m.nazarewicz@...sung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
Acked-by: David Brownell <dbrownell@...rs.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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