1 // SPDX-License-Identifier: GPL-2.0+
3  * multi.c -- Multifunction Composite driver
89 	[MULTI_STRING_CDC_CONFIG_IDX].s   = "Multifunction with CDC ECM",
95 		.language	= 0x0409,	/* en-us */
138 	if (gadget_is_otg(c->cdev->gadget)) {  in rndis_do_config()
139 		c->descriptors = otg_desc;  in rndis_do_config()
140 		c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;  in rndis_do_config()
208 /********** CDC ECM **********/
220 	if (gadget_is_otg(c->cdev->gadget)) {  in cdc_do_config()
221 		c->descriptors = otg_desc;  in cdc_do_config()
222 		c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;  in cdc_do_config()
296 	struct usb_gadget *gadget = cdev->gadget;  in multi_bind()
307 	if (!can_support_ecm(cdev->gadget)) {  in multi_bind()
308 		dev_err(&gadget->dev, "controller '%s' not usable\n",  in multi_bind()
309 			gadget->name);  in multi_bind()
310 		return -EINVAL;  in multi_bind()
320 	gether_set_qmult(ecm_opts->net, qmult);  in multi_bind()
321 	if (!gether_set_host_addr(ecm_opts->net, host_addr))  in multi_bind()
323 	if (!gether_set_dev_addr(ecm_opts->net, dev_addr))  in multi_bind()
336 	gether_set_qmult(rndis_opts->net, qmult);  in multi_bind()
337 	if (!gether_set_host_addr(rndis_opts->net, host_addr))  in multi_bind()
339 	if (!gether_set_dev_addr(rndis_opts->net, dev_addr))  in multi_bind()
348 	 *	twice - in ecm's _and_ rndis' binds, so do it here.  in multi_bind()
350 	gether_set_gadget(ecm_opts->net, cdev->gadget);  in multi_bind()
351 	status = gether_register_netdev(ecm_opts->net);  in multi_bind()
355 	rndis_borrow_net(fi_rndis, ecm_opts->net);  in multi_bind()
356 	ecm_opts->bound = true;  in multi_bind()
360 	fi_acm = usb_get_function_instance("acm");  in multi_bind()
375 	fsg_opts->no_configfs = true;  in multi_bind()
376 	status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers);  in multi_bind()
380 	status = fsg_common_set_cdev(fsg_opts->common, cdev, config.can_stall);  in multi_bind()
384 	fsg_common_set_sysfs(fsg_opts->common, true);  in multi_bind()
385 	status = fsg_common_create_luns(fsg_opts->common, &config);  in multi_bind()
389 	fsg_common_set_inquiry_string(fsg_opts->common, config.vendor_name,  in multi_bind()
403 			status = -ENOMEM;  in multi_bind()
422 	dev_info(&gadget->dev, DRIVER_DESC "\n");  in multi_bind()
431 	fsg_common_remove_luns(fsg_opts->common);  in multi_bind()
433 	fsg_common_free_buffers(fsg_opts->common);  in multi_bind()