Using configfs to create/configure a usb gadget requires
providing a method to create config group for a usb function
and a wrapper for usb_add_function.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
include/linux/usb/composite.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index e84c754..5bac1f8 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -39,6 +39,7 @@
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/log2.h>
+#include <linux/configfs.h>
/*
* USB function drivers should return USB_GADGET_DELAYED_STATUS if they
@@ -146,6 +147,11 @@ struct usb_function {
* we can't restructure things to avoid mismatching.
* Related: unbind() may kfree() but bind() won't...
*/
+
+ struct config_group *(*make_group)(struct config_group *parent,
+ const char *name);
+ int (*add_function)(struct usb_configuration *c, struct usb_function *f,
+ struct config_item *item, void *data);
/* configuration management: bind/unbind */
int (*bind)(struct usb_configuration *,
--
1.7.0.4
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