static int gser_bind(struct usb_configuration *c, struct usb_function *f) { struct usb_composite_dev *cdev = c->cdev; struct f_gser *gser = func_to_gser(f); int status; struct usb_ep *ep; /* allocate instance-specific interface IDs */ status = usb_interface_id(c, f); if (status < 0) goto fail; gser->data_id = status; gser_interface_desc.bInterfaceNumber = status; status = -ENODEV; /* allocate instance-specific endpoints */ ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_in_desc); if (!ep) goto fail; gser->port.in = ep; ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_out_desc); if (!ep) goto fail; gser->port.out = ep; ep->driver_data = cdev; /* claim */ #ifdef CONFIG_MODEM_SUPPORT ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_notify_desc); if (!ep) goto fail; gser->notify = ep; ep->driver_data = cdev; /* claim */ /* allocate notification */ gser->notify_req = gs_alloc_req(ep, sizeof(struct usb_cdc_notification) + 2, GFP_KERNEL); if (!gser->notify_req) goto fail; gser->notify_req->complete = gser_notify_complete; gser->notify_req->context = gser; #endif /* copy descriptors, and track endpoint copies */ f->descriptors = usb_copy_descriptors(gser_fs_function); if (!f->descriptors) goto fail; gser->fs.in = usb_find_endpoint(gser_fs_function, f->descriptors, &gser_fs_in_desc); gser->fs.out = usb_find_endpoint(gser_fs_function, f->descriptors, &gser_fs_out_desc); #ifdef CONFIG_MODEM_SUPPORT gser->fs.notify = usb_find_endpoint(gser_fs_function, f->descriptors, &gser_fs_notify_desc); #endif /* support all relevant hardware speeds... we expect that when * hardware is dual speed, all bulk-capable endpoints work at * both speeds */ if (gadget_is_dualspeed(c->cdev->gadget)) { gser_hs_in_desc.bEndpointAddress = gser_fs_in_desc.bEndpointAddress; gser_hs_out_desc.bEndpointAddress = gser_fs_out_desc.bEndpointAddress; #ifdef CONFIG_MODEM_SUPPORT gser_hs_notify_desc.bEndpointAddress = gser_fs_notify_desc.bEndpointAddress; #endif /* copy descriptors, and track endpoint copies */ f->hs_descriptors = usb_copy_descriptors(gser_hs_function); if (!f->hs_descriptors) goto fail; gser->hs.in = usb_find_endpoint(gser_hs_function, f->hs_descriptors, &gser_hs_in_desc); gser->hs.out = usb_find_endpoint(gser_hs_function, f->hs_descriptors, &gser_hs_out_desc); #ifdef CONFIG_MODEM_SUPPORT gser->hs.notify = usb_find_endpoint(gser_hs_function, f->hs_descriptors, &gser_hs_notify_desc); #endif } DBG(cdev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n", gser->port_num, gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full", gser->port.in->name, gser->port.out->name); return 0; fail: if (f->descriptors) usb_free_descriptors(f->descriptors); #ifdef CONFIG_MODEM_SUPPORT if (gser->notify_req) gs_free_req(gser->notify, gser->notify_req); /* we might as well release our claims on endpoints */ if (gser->notify) gser->notify->driver_data = NULL; #endif /* we might as well release our claims on endpoints */ if (gser->port.out) gser->port.out->driver_data = NULL; if (gser->port.in) gser->port.in->driver_data = NULL; ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; }
static int ecm_bind(struct usb_configuration *c, struct usb_function *f) { struct usb_composite_dev *cdev = c->cdev; struct f_ecm *ecm = func_to_ecm(f); int status; struct usb_ep *ep; /* allocate instance-specific interface IDs */ status = usb_interface_id(c, f); if (status < 0) goto fail; ecm->ctrl_id = status; ecm_control_intf.bInterfaceNumber = status; #ifdef CONFIG_LGE_USB_GADGET_DRIVER ecm_iad.bFirstInterface = status; #endif ecm_union_desc.bMasterInterface0 = status; status = usb_interface_id(c, f); printk(KERN_DEBUG "[MSG]>>f_ecm > ecm_bind : interface = %d !! \n", status ); if (status < 0) goto fail; ecm->data_id = status; ecm_data_nop_intf.bInterfaceNumber = status; ecm_data_intf.bInterfaceNumber = status; ecm_union_desc.bSlaveInterface0 = status; status = -ENODEV; /* allocate instance-specific endpoints */ ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_in_desc); if (!ep) goto fail; ecm->port.in_ep = ep; ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_out_desc); if (!ep) goto fail; ecm->port.out_ep = ep; ep->driver_data = cdev; /* claim */ /* NOTE: a status/notification endpoint is *OPTIONAL* but we * don't treat it that way. It's simpler, and some newer CDC * profiles (wireless handsets) no longer treat it as optional. */ ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_notify_desc); if (!ep) goto fail; ecm->notify = ep; ep->driver_data = cdev; /* claim */ status = -ENOMEM; /* allocate notification request and buffer */ ecm->notify_req = usb_ep_alloc_request(ep, GFP_KERNEL); if (!ecm->notify_req) goto fail; ecm->notify_req->buf = kmalloc(ECM_STATUS_BYTECOUNT, GFP_KERNEL); if (!ecm->notify_req->buf) goto fail; ecm->notify_req->context = ecm; ecm->notify_req->complete = ecm_notify_complete; /* copy descriptors, and track endpoint copies */ f->descriptors = usb_copy_descriptors(ecm_fs_function); if (!f->descriptors) goto fail; ecm->fs.in = usb_find_endpoint(ecm_fs_function, f->descriptors, &fs_ecm_in_desc); ecm->fs.out = usb_find_endpoint(ecm_fs_function, f->descriptors, &fs_ecm_out_desc); ecm->fs.notify = usb_find_endpoint(ecm_fs_function, f->descriptors, &fs_ecm_notify_desc); /* support all relevant hardware speeds... we expect that when * hardware is dual speed, all bulk-capable endpoints work at * both speeds */ if (gadget_is_dualspeed(c->cdev->gadget)) { hs_ecm_in_desc.bEndpointAddress = fs_ecm_in_desc.bEndpointAddress; hs_ecm_out_desc.bEndpointAddress = fs_ecm_out_desc.bEndpointAddress; hs_ecm_notify_desc.bEndpointAddress = fs_ecm_notify_desc.bEndpointAddress; printk(KERN_ERR "[MSG]>> f_ecm > ecm_bind : IN EP = %d !! \n", hs_ecm_in_desc.bEndpointAddress ); printk(KERN_ERR "[MSG]>> f_ecm > ecm_bind : OUT EP= %d !! \n", hs_ecm_out_desc.bEndpointAddress); printk(KERN_ERR "[MSG]>> f_ecm > ecm_bind : NOT EP= %d !! \n", hs_ecm_notify_desc.bEndpointAddress); /* copy descriptors, and track endpoint copies */ f->hs_descriptors = usb_copy_descriptors(ecm_hs_function); if (!f->hs_descriptors) goto fail; ecm->hs.in = usb_find_endpoint(ecm_hs_function, f->hs_descriptors, &hs_ecm_in_desc); ecm->hs.out = usb_find_endpoint(ecm_hs_function, f->hs_descriptors, &hs_ecm_out_desc); ecm->hs.notify = usb_find_endpoint(ecm_hs_function, f->hs_descriptors, &hs_ecm_notify_desc); } /* NOTE: all that is done without knowing or caring about * the network link ... which is unavailable to this code * until we're activated via set_alt(). */ ecm->port.open = ecm_open; ecm->port.close = ecm_close; DBG(cdev, "CDC Ethernet: %s speed IN/%s OUT/%s NOTIFY/%s\n", gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full", ecm->port.in_ep->name, ecm->port.out_ep->name, ecm->notify->name); return 0; fail: if (f->descriptors) usb_free_descriptors(f->descriptors); if (ecm->notify_req) { kfree(ecm->notify_req->buf); usb_ep_free_request(ecm->notify, ecm->notify_req); } /* we might as well release our claims on endpoints */ if (ecm->notify) ecm->notify->driver_data = NULL; if (ecm->port.out) ecm->port.out_ep->driver_data = NULL; if (ecm->port.in) ecm->port.in_ep->driver_data = NULL; ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; }