[U-Boot] [PATCH 3/4] usb:gadget: Wrapper for extracting usb_gadget from linux's device

[Lukasz Majewski]

Signed-off-by: Lukasz Majewski <l.majewski at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
Cc: Marek Vasut <marex at denx.de>
---
 include/linux/usb/gadget.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 275cb5f..b0a0e1f 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -481,6 +481,11 @@ static inline void *get_gadget_data(struct usb_gadget *gadget)
 	return gadget->dev.driver_data;
 }
 
+static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev)
+{
+	return container_of(dev, struct usb_gadget, dev);
+}
+
 /* iterates the non-control endpoints; 'tmp' is a struct usb_ep pointer */
 #define gadget_for_each_ep(tmp, gadget) \
 	list_for_each_entry(tmp, &(gadget)->ep_list, ep_list)
-- 
1.7.2.3