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authorAndrzej Pietrasiewicz <andrzej.p@samsung.com>2013-09-26 14:38:15 +0200
committerFelipe Balbi <balbi@ti.com>2013-10-01 09:50:22 -0500
commit092a4bd069fcca09f345a79c8abdc945cf6b1b57 (patch)
tree762316f09bdc5a52baeecad450d275ba3f145827 /drivers/usb/gadget/configfs.c
parenta346941152878d8cab198fb10ba45dd706ed5ea1 (diff)
downloadlwn-092a4bd069fcca09f345a79c8abdc945cf6b1b57.tar.gz
lwn-092a4bd069fcca09f345a79c8abdc945cf6b1b57.zip
usb: gadget: configfs: add a method to unregister the gadget
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@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/configfs.c')
-rw-r--r--drivers/usb/gadget/configfs.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 1bfacbfca1d8..25885112fa35 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -991,6 +991,14 @@ 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;