usb: gadget: f_fs: Delete unused static functions

To prevent warnings like:
drivers/usb/gadget/function/f_fs.c:1622:12: warning: 'functionfs_bind_config' defined but not used [-Wunused-function]

Signed-off-by: Jon Medhurst <tixy@linaro.org>

1 files changed, 0 insertions, 88 deletions

diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 45207e2246c0..0ae5e40e864d 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -86,15 +86,11 @@ ffs_setup_state_clear_cancelled(struct ffs_data *ffs)
 		cmpxchg(&ffs->setup_state, FFS_SETUP_CANCELLED, FFS_NO_SETUP);
 }
 
-static void ffs_func_free(struct ffs_function *func);
-
 static void ffs_func_eps_disable(struct ffs_function *func);
 static int __must_check ffs_func_eps_enable(struct ffs_function *func);
 
 static int ffs_func_bind(struct usb_configuration *,
 			 struct usb_function *);
-static void old_ffs_func_unbind(struct usb_configuration *,
-				struct usb_function *);
 static int ffs_func_set_alt(struct usb_function *, unsigned, unsigned);
 static void ffs_func_disable(struct usb_function *);
 static int ffs_func_setup(struct usb_function *,
@@ -1619,72 +1615,6 @@ static void ffs_epfiles_destroy(struct ffs_epfile *epfiles, unsigned count)
 	kfree(epfiles);
 }
 
-static int functionfs_bind_config(struct usb_composite_dev *cdev,
-				   struct usb_configuration *c,
-				   struct ffs_data *ffs)
-{
-	struct ffs_function *func;
-	int ret;
-
-	ENTER();
-
-	func = kzalloc(sizeof *func, GFP_KERNEL);
-	if (unlikely(!func))
-		return -ENOMEM;
-
-	func->function.name    = "Function FS Gadget";
-	func->function.strings = ffs->stringtabs;
-
-	func->function.bind    = ffs_func_bind;
-	func->function.unbind  = old_ffs_func_unbind;
-	func->function.set_alt = ffs_func_set_alt;
-	func->function.disable = ffs_func_disable;
-	func->function.setup   = ffs_func_setup;
-	func->function.suspend = ffs_func_suspend;
-	func->function.resume  = ffs_func_resume;
-
-	func->conf   = c;
-	func->gadget = cdev->gadget;
-	func->ffs = ffs;
-	ffs_data_get(ffs);
-
-	ret = usb_add_function(c, &func->function);
-	if (unlikely(ret))
-		ffs_func_free(func);
-
-	return ret;
-}
-
-static void ffs_func_free(struct ffs_function *func)
-{
-	struct ffs_ep *ep         = func->eps;
-	unsigned count            = func->ffs->eps_count;
-	unsigned long flags;
-
-	ENTER();
-
-	/* cleanup after autoconfig */
-	spin_lock_irqsave(&func->ffs->eps_lock, flags);
-	do {
-		if (ep->ep && ep->req)
-			usb_ep_free_request(ep->ep, ep->req);
-		ep->req = NULL;
-		++ep;
-	} while (--count);
-	spin_unlock_irqrestore(&func->ffs->eps_lock, flags);
-
-	ffs_data_put(func->ffs);
-
-	kfree(func->eps);
-	/*
-	 * eps and interfaces_nums are allocated in the same chunk so
-	 * only one free is required.  Descriptors are also allocated
-	 * in the same chunk.
-	 */
-
-	kfree(func);
-}
-
 static void ffs_func_eps_disable(struct ffs_function *func)
 {
 	struct ffs_ep *ep         = func->eps;
@@ -2956,24 +2886,6 @@ static int ffs_func_bind(struct usb_configuration *c,
 
 /* Other USB function hooks *************************************************/
 
-static void old_ffs_func_unbind(struct usb_configuration *c,
-				struct usb_function *f)
-{
-	struct ffs_function *func = ffs_func_from_usb(f);
-	struct ffs_data *ffs = func->ffs;
-
-	ENTER();
-
-	if (ffs->func == func) {
-		ffs_func_eps_disable(func);
-		ffs->func = NULL;
-	}
-
-	ffs_event_add(ffs, FUNCTIONFS_UNBIND);
-
-	ffs_func_free(func);
-}
-
 static int ffs_func_set_alt(struct usb_function *f,
 			    unsigned interface, unsigned alt)
 {