usb: gadget: FunctionFS: staticize functions used only in f_fs.c

ffs_alloc_dev and ffs_free_dev are used only in f_fs.c,
so make them static.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>

diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f92d2b6..0d29bf1 100644 (file)
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -162,7 +162,9 @@ DEFINE_MUTEX(ffs_lock);
 EXPORT_SYMBOL(ffs_lock);
 
 static struct ffs_dev *ffs_find_dev(const char *name);
+static struct ffs_dev *ffs_alloc_dev(void);
 static int _ffs_name_dev(struct ffs_dev *dev, const char *name);
+static void ffs_free_dev(struct ffs_dev *dev);
 static void *ffs_acquire_dev(const char *dev_name);
 static void ffs_release_dev(struct ffs_data *ffs_data);
 static int ffs_ready(struct ffs_data *ffs);
@@ -2475,7 +2477,7 @@ static struct usb_function *ffs_alloc(struct usb_function_instance *fi)
 /*
  * ffs_lock must be taken by the caller of this function
  */
-struct ffs_dev *ffs_alloc_dev(void)
+static struct ffs_dev *ffs_alloc_dev(void)
 {
        struct ffs_dev *dev;
        int ret;
@@ -2552,7 +2554,7 @@ EXPORT_SYMBOL(ffs_single_dev);
 /*
  * ffs_lock must be taken by the caller of this function
  */
-void ffs_free_dev(struct ffs_dev *dev)
+static void ffs_free_dev(struct ffs_dev *dev)
 {
        list_del(&dev->entry);
        if (dev->name_allocated)

diff --git a/drivers/usb/gadget/u_fs.h b/drivers/usb/gadget/u_fs.h
index bc2d371..f418c25 100644 (file)
--- a/drivers/usb/gadget/u_fs.h
+++ b/drivers/usb/gadget/u_fs.h
@@ -65,10 +65,8 @@ static inline void ffs_dev_unlock(void)
        mutex_unlock(&ffs_lock);
 }
 
-struct ffs_dev *ffs_alloc_dev(void);
 int ffs_name_dev(struct ffs_dev *dev, const char *name);
 int ffs_single_dev(struct ffs_dev *dev);
-void ffs_free_dev(struct ffs_dev *dev);
 
 struct ffs_epfile;
 struct ffs_function;