FunctionFS: enable multiple functions

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/usb/functionfs.h b/include/linux/usb/functionfs.h
index 7587ef934ba8..a843d0851364 100644
--- a/include/linux/usb/functionfs.h
+++ b/include/linux/usb/functionfs.h
@@ -190,8 +190,10 @@ static int functionfs_ready_callback(struct ffs_data *ffs)
         __attribute__((warn_unused_result, nonnull));
 static void functionfs_closed_callback(struct ffs_data *ffs)
         __attribute__((nonnull));
-static int functionfs_check_dev_callback(const char *dev_name)
+static void *functionfs_acquire_dev_callback(const char *dev_name)
         __attribute__((warn_unused_result, nonnull));
+static void functionfs_release_dev_callback(struct ffs_data *ffs_data)
+        __attribute__((nonnull));
 
 
 #endif