usb: gadget: f_ecm: 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: Kyungmim Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index 8d9e6f7e8f1a5a6c36965dfdd4c5a213f4f917aa..798760fa7e702b73285d21d6a2d69c55c351a44a 100644 (file)
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -691,7 +691,6 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
        int                     status;
        struct usb_ep           *ep;
 
-#ifndef USBF_ECM_INCLUDED
        struct f_ecm_opts       *ecm_opts;
 
        if (!can_support_ecm(cdev->gadget))
@@ -715,7 +714,7 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
                        return status;
                ecm_opts->bound = true;
        }
-#endif
+
        us = usb_gstrings_attach(cdev, ecm_strings,
                                 ARRAY_SIZE(ecm_string_defs));
        if (IS_ERR(us))
@@ -834,74 +833,6 @@ fail:
        return status;
 }
 
-#ifdef USBF_ECM_INCLUDED
-
-static void
-ecm_old_unbind(struct usb_configuration *c, struct usb_function *f)
-{
-       struct f_ecm            *ecm = func_to_ecm(f);
-
-       DBG(c->cdev, "ecm unbind\n");
-
-       usb_free_all_descriptors(f);
-
-       kfree(ecm->notify_req->buf);
-       usb_ep_free_request(ecm->notify, ecm->notify_req);
-       kfree(ecm);
-}
-
-/**
- * ecm_bind_config - add CDC Ethernet network link to a configuration
- * @c: the configuration to support the network link
- * @ethaddr: a buffer in which the ethernet address of the host side
- *     side of the link was recorded
- * @dev: eth_dev structure
- * 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
-ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
-               struct eth_dev *dev)
-{
-       struct f_ecm    *ecm;
-       int             status;
-
-       if (!can_support_ecm(c->cdev->gadget) || !ethaddr)
-               return -EINVAL;
-
-       /* allocate and initialize one new instance */
-       ecm = kzalloc(sizeof *ecm, GFP_KERNEL);
-       if (!ecm)
-               return -ENOMEM;
-
-       /* export host's Ethernet address in CDC format */
-       snprintf(ecm->ethaddr, sizeof ecm->ethaddr, "%pm", ethaddr);
-       ecm_string_defs[1].s = ecm->ethaddr;
-
-       ecm->port.ioport = dev;
-       ecm->port.cdc_filter = DEFAULT_FILTER;
-
-       ecm->port.func.name = "cdc_ethernet";
-       /* descriptors are per-instance copies */
-       ecm->port.func.bind = ecm_bind;
-       ecm->port.func.unbind = ecm_old_unbind;
-       ecm->port.func.set_alt = ecm_set_alt;
-       ecm->port.func.get_alt = ecm_get_alt;
-       ecm->port.func.setup = ecm_setup;
-       ecm->port.func.disable = ecm_disable;
-
-       status = usb_add_function(c, &ecm->port.func);
-       if (status)
-               kfree(ecm);
-       return status;
-}
-
-#else
-
 static inline struct f_ecm_opts *to_f_ecm_opts(struct config_item *item)
 {
        return container_of(to_config_group(item), struct f_ecm_opts,
@@ -1040,5 +971,3 @@ static struct usb_function *ecm_alloc(struct usb_function_instance *fi)
 DECLARE_USB_FUNCTION_INIT(ecm, ecm_alloc_inst, ecm_alloc);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Brownell");
-
-#endif

diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
index a32b41e27450d363304e2fbb8e887da487d43a02..c06059568d6c9afa39c0ad93644fe5430db68859 100644 (file)
--- a/drivers/usb/gadget/u_ether.h
+++ b/drivers/usb/gadget/u_ether.h
@@ -270,8 +270,6 @@ static inline bool can_support_ecm(struct usb_gadget *gadget)
 /* each configuration may bind one instance of an ethernet link */
 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);
 
 #ifdef USB_ETH_RNDIS