usb: gadget: f_eem: remove compatibility layer

There are no old function interface users left, so the old interface
can be removed.

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>

drivers/usb/gadget/f_eem.c

@@ -251,7 +251,6 @@ static int eem_bind(struct usb_configuration *c, struct usb_function *f)
 	int			status;
 	struct usb_ep		*ep;
 
-#ifndef USB_FEEM_INCLUDED
 	struct f_eem_opts	*eem_opts;
 
 	eem_opts = container_of(f->fi, struct f_eem_opts, func_inst);
@@ -269,7 +268,6 @@ static int eem_bind(struct usb_configuration *c, struct usb_function *f)
 			return status;
 		eem_opts->bound = true;
 	}
-#endif
 
 	/* maybe allocate device-global string IDs */
 	if (eem_string_defs[0].id == 0) {
@@ -539,61 +537,6 @@ error:
 	return status;
 }
 
-#ifdef USB_FEEM_INCLUDED
-
-static void eem_old_unbind(struct usb_configuration *c, struct usb_function *f)
-{
-	struct f_eem	*eem = func_to_eem(f);
-
-	DBG(c->cdev, "eem unbind\n");
-
-	usb_free_all_descriptors(f);
-	kfree(eem);
-}
-
-/**
- * eem_bind_config - add CDC Ethernet (EEM) network link to a configuration
- * @c: the configuration to support the network link
- * Context: single threaded during gadget setup
- *
- * Returns zero on success, else negative errno.
- *
- * Caller must have called @gether_setup().  Caller is also responsible
- * for calling @gether_cleanup() before module unload.
- */
-int __init eem_bind_config(struct usb_configuration *c, struct eth_dev *dev)
-{
-	struct f_eem	*eem;
-	int		status;
-
-	/* allocate and initialize one new instance */
-	eem = kzalloc(sizeof *eem, GFP_KERNEL);
-	if (!eem)
-		return -ENOMEM;
-
-	eem->port.ioport = dev;
-	eem->port.cdc_filter = DEFAULT_FILTER;
-
-	eem->port.func.name = "cdc_eem";
-	eem->port.func.strings = eem_strings;
-	/* descriptors are per-instance copies */
-	eem->port.func.bind = eem_bind;
-	eem->port.func.unbind = eem_old_unbind;
-	eem->port.func.set_alt = eem_set_alt;
-	eem->port.func.setup = eem_setup;
-	eem->port.func.disable = eem_disable;
-	eem->port.wrap = eem_wrap;
-	eem->port.unwrap = eem_unwrap;
-	eem->port.header_len = EEM_HLEN;
-
-	status = usb_add_function(c, &eem->port.func);
-	if (status)
-		kfree(eem);
-	return status;
-}
-
-#else
-
 static void eem_free_inst(struct usb_function_instance *f)
 {
 	struct f_eem_opts *opts;
@@ -670,5 +613,3 @@ struct usb_function *eem_alloc(struct usb_function_instance *fi)
 DECLARE_USB_FUNCTION_INIT(eem, eem_alloc_inst, eem_alloc);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Brownell");
-
-#endif

drivers/usb/gadget/u_ether.h

@@ -272,7 +272,6 @@ int geth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
 		struct eth_dev *dev);
 int ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
 		struct eth_dev *dev);
-int eem_bind_config(struct usb_configuration *c, struct eth_dev *dev);
 
 #ifdef USB_ETH_RNDIS