Add a method to unregister the gadget using its config_item.
There can be functions (e.g. mass storage), which in some circumstances
need the gadget stopped. Add a method of stopping the gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/usb/gadget/configfs.c | 8 ++++++++
drivers/usb/gadget/configfs.h | 6 ++++++
2 files changed, 14 insertions(+), 0 deletions(-)
create mode 100644 drivers/usb/gadget/configfs.h
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 80e7f75..cda3ead 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -989,6 +989,14 @@ static struct configfs_subsystem gadget_subsys = {
.su_mutex = __MUTEX_INITIALIZER(gadget_subsys.su_mutex),
};
+void unregister_gadget_item(struct config_item *item)
+{
+ struct gadget_info *gi = to_gadget_info(item);
+
+ unregister_gadget(gi);
+}
+EXPORT_SYMBOL(unregister_gadget_item);
+
static int __init gadget_cfs_init(void)
{
int ret;
diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h
new file mode 100644
index 0000000..a7b564a
--- /dev/null
+++ b/drivers/usb/gadget/configfs.h
@@ -0,0 +1,6 @@
+#ifndef USB__GADGET__CONFIGFS__H
+#define USB__GADGET__CONFIGFS__H
+
+void unregister_gadget_item(struct config_item *item);
+
+#endif /* USB__GADGET__CONFIGFS__H */
--
1.7.0.4
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