Commit | Line | Data |
---|---|---|
f176a5d8 MN |
1 | /* |
2 | * multi.c -- Multifunction Composite driver | |
3 | * | |
4 | * Copyright (C) 2008 David Brownell | |
5 | * Copyright (C) 2008 Nokia Corporation | |
6 | * Copyright (C) 2009 Samsung Electronics | |
54b8360f | 7 | * Author: Michal Nazarewicz (mina86@mina86.com) |
f176a5d8 MN |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
f176a5d8 MN |
13 | */ |
14 | ||
15 | ||
16 | #include <linux/kernel.h> | |
279cc49a | 17 | #include <linux/module.h> |
73889015 | 18 | #include <linux/netdevice.h> |
f176a5d8 | 19 | |
59835ad7 | 20 | #include "u_serial.h" |
396cda90 MN |
21 | #if defined USB_ETH_RNDIS |
22 | # undef USB_ETH_RNDIS | |
23 | #endif | |
dbe4a99d | 24 | #ifdef CONFIG_USB_G_MULTI_RNDIS |
396cda90 | 25 | # define USB_ETH_RNDIS y |
f176a5d8 MN |
26 | #endif |
27 | ||
28 | ||
29 | #define DRIVER_DESC "Multifunction Composite Gadget" | |
f176a5d8 | 30 | |
279cc49a MN |
31 | MODULE_DESCRIPTION(DRIVER_DESC); |
32 | MODULE_AUTHOR("Michal Nazarewicz"); | |
33 | MODULE_LICENSE("GPL"); | |
f176a5d8 | 34 | |
f176a5d8 | 35 | |
1bcce939 | 36 | #include "f_mass_storage.h" |
f176a5d8 | 37 | |
73889015 | 38 | #include "u_ecm.h" |
396cda90 | 39 | #ifdef USB_ETH_RNDIS |
4d1a8f68 | 40 | # include "u_rndis.h" |
cbbd14a9 | 41 | # include "rndis.h" |
f176a5d8 | 42 | #endif |
f1a1823f | 43 | #include "u_ether.h" |
f176a5d8 | 44 | |
7d16e8d3 | 45 | USB_GADGET_COMPOSITE_OPTIONS(); |
279cc49a | 46 | |
f1a1823f AP |
47 | USB_ETHERNET_MODULE_PARAMETERS(); |
48 | ||
279cc49a MN |
49 | /***************************** Device Descriptor ****************************/ |
50 | ||
1c6529e9 MN |
51 | #define MULTI_VENDOR_NUM 0x1d6b /* Linux Foundation */ |
52 | #define MULTI_PRODUCT_NUM 0x0104 /* Multifunction Composite Gadget */ | |
279cc49a MN |
53 | |
54 | ||
55 | enum { | |
56 | __MULTI_NO_CONFIG, | |
57 | #ifdef CONFIG_USB_G_MULTI_RNDIS | |
58 | MULTI_RNDIS_CONFIG_NUM, | |
59 | #endif | |
60 | #ifdef CONFIG_USB_G_MULTI_CDC | |
61 | MULTI_CDC_CONFIG_NUM, | |
62 | #endif | |
63 | }; | |
64 | ||
f176a5d8 MN |
65 | |
66 | static struct usb_device_descriptor device_desc = { | |
67 | .bLength = sizeof device_desc, | |
68 | .bDescriptorType = USB_DT_DEVICE, | |
69 | ||
70 | .bcdUSB = cpu_to_le16(0x0200), | |
71 | ||
279cc49a | 72 | .bDeviceClass = USB_CLASS_MISC /* 0xEF */, |
f176a5d8 MN |
73 | .bDeviceSubClass = 2, |
74 | .bDeviceProtocol = 1, | |
f176a5d8 MN |
75 | |
76 | /* Vendor and product id can be overridden by module parameters. */ | |
77 | .idVendor = cpu_to_le16(MULTI_VENDOR_NUM), | |
78 | .idProduct = cpu_to_le16(MULTI_PRODUCT_NUM), | |
f176a5d8 MN |
79 | }; |
80 | ||
21ddc2a8 | 81 | static const struct usb_descriptor_header *otg_desc[2]; |
f176a5d8 | 82 | |
279cc49a | 83 | enum { |
276e2e4f | 84 | MULTI_STRING_RNDIS_CONFIG_IDX = USB_GADGET_FIRST_AVAIL_IDX, |
279cc49a | 85 | MULTI_STRING_CDC_CONFIG_IDX, |
279cc49a | 86 | }; |
f176a5d8 | 87 | |
f176a5d8 | 88 | static struct usb_string strings_dev[] = { |
276e2e4f | 89 | [USB_GADGET_MANUFACTURER_IDX].s = "", |
d33f74fc | 90 | [USB_GADGET_PRODUCT_IDX].s = DRIVER_DESC, |
276e2e4f | 91 | [USB_GADGET_SERIAL_IDX].s = "", |
279cc49a | 92 | [MULTI_STRING_RNDIS_CONFIG_IDX].s = "Multifunction with RNDIS", |
279cc49a | 93 | [MULTI_STRING_CDC_CONFIG_IDX].s = "Multifunction with CDC ECM", |
f176a5d8 MN |
94 | { } /* end of list */ |
95 | }; | |
96 | ||
f176a5d8 | 97 | static struct usb_gadget_strings *dev_strings[] = { |
279cc49a MN |
98 | &(struct usb_gadget_strings){ |
99 | .language = 0x0409, /* en-us */ | |
100 | .strings = strings_dev, | |
101 | }, | |
f176a5d8 MN |
102 | NULL, |
103 | }; | |
104 | ||
f176a5d8 MN |
105 | |
106 | ||
107 | ||
108 | /****************************** Configurations ******************************/ | |
109 | ||
279cc49a | 110 | static struct fsg_module_parameters fsg_mod_data = { .stall = 1 }; |
6fdc5dd2 AP |
111 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
112 | ||
113 | static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS; | |
114 | ||
115 | #else | |
116 | ||
117 | /* | |
118 | * Number of buffers we will use. | |
119 | * 2 is usually enough for good buffering pipeline | |
120 | */ | |
121 | #define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS | |
122 | ||
0c8b1992 | 123 | #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ |
6fdc5dd2 | 124 | |
279cc49a MN |
125 | FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data); |
126 | ||
59835ad7 | 127 | static struct usb_function_instance *fi_acm; |
1bcce939 | 128 | static struct usb_function_instance *fi_msg; |
f176a5d8 | 129 | |
279cc49a | 130 | /********** RNDIS **********/ |
f176a5d8 | 131 | |
396cda90 | 132 | #ifdef USB_ETH_RNDIS |
4d1a8f68 | 133 | static struct usb_function_instance *fi_rndis; |
59835ad7 | 134 | static struct usb_function *f_acm_rndis; |
4d1a8f68 | 135 | static struct usb_function *f_rndis; |
1bcce939 | 136 | static struct usb_function *f_msg_rndis; |
f176a5d8 | 137 | |
c94e289f | 138 | static int rndis_do_config(struct usb_configuration *c) |
f176a5d8 | 139 | { |
1bcce939 | 140 | struct fsg_opts *fsg_opts; |
f176a5d8 MN |
141 | int ret; |
142 | ||
143 | if (gadget_is_otg(c->cdev->gadget)) { | |
144 | c->descriptors = otg_desc; | |
145 | c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; | |
146 | } | |
147 | ||
4d1a8f68 AP |
148 | f_rndis = usb_get_function(fi_rndis); |
149 | if (IS_ERR(f_rndis)) | |
150 | return PTR_ERR(f_rndis); | |
151 | ||
152 | ret = usb_add_function(c, f_rndis); | |
f176a5d8 | 153 | if (ret < 0) |
4d1a8f68 | 154 | goto err_func_rndis; |
f176a5d8 | 155 | |
59835ad7 | 156 | f_acm_rndis = usb_get_function(fi_acm); |
4d1a8f68 AP |
157 | if (IS_ERR(f_acm_rndis)) { |
158 | ret = PTR_ERR(f_acm_rndis); | |
159 | goto err_func_acm; | |
160 | } | |
59835ad7 SAS |
161 | |
162 | ret = usb_add_function(c, f_acm_rndis); | |
163 | if (ret) | |
164 | goto err_conf; | |
f176a5d8 | 165 | |
1bcce939 AP |
166 | f_msg_rndis = usb_get_function(fi_msg); |
167 | if (IS_ERR(f_msg_rndis)) { | |
168 | ret = PTR_ERR(f_msg_rndis); | |
59835ad7 | 169 | goto err_fsg; |
1bcce939 AP |
170 | } |
171 | ||
172 | fsg_opts = fsg_opts_from_func_inst(fi_msg); | |
173 | ret = fsg_common_run_thread(fsg_opts->common); | |
174 | if (ret) | |
175 | goto err_run; | |
176 | ||
177 | ret = usb_add_function(c, f_msg_rndis); | |
178 | if (ret) | |
179 | goto err_run; | |
f176a5d8 MN |
180 | |
181 | return 0; | |
1bcce939 AP |
182 | err_run: |
183 | usb_put_function(f_msg_rndis); | |
59835ad7 SAS |
184 | err_fsg: |
185 | usb_remove_function(c, f_acm_rndis); | |
186 | err_conf: | |
187 | usb_put_function(f_acm_rndis); | |
4d1a8f68 AP |
188 | err_func_acm: |
189 | usb_remove_function(c, f_rndis); | |
190 | err_func_rndis: | |
191 | usb_put_function(f_rndis); | |
59835ad7 | 192 | return ret; |
f176a5d8 MN |
193 | } |
194 | ||
780cc0f3 | 195 | static __ref int rndis_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
196 | { |
197 | static struct usb_configuration config = { | |
279cc49a MN |
198 | .bConfigurationValue = MULTI_RNDIS_CONFIG_NUM, |
199 | .bmAttributes = USB_CONFIG_ATT_SELFPOWER, | |
200 | }; | |
201 | ||
202 | config.label = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].s; | |
203 | config.iConfiguration = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].id; | |
204 | ||
c9bfff9c | 205 | return usb_add_config(cdev, &config, rndis_do_config); |
279cc49a MN |
206 | } |
207 | ||
208 | #else | |
209 | ||
780cc0f3 | 210 | static __ref int rndis_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
211 | { |
212 | return 0; | |
213 | } | |
f176a5d8 MN |
214 | |
215 | #endif | |
216 | ||
279cc49a MN |
217 | |
218 | /********** CDC ECM **********/ | |
219 | ||
f176a5d8 | 220 | #ifdef CONFIG_USB_G_MULTI_CDC |
73889015 | 221 | static struct usb_function_instance *fi_ecm; |
59835ad7 | 222 | static struct usb_function *f_acm_multi; |
73889015 | 223 | static struct usb_function *f_ecm; |
1bcce939 | 224 | static struct usb_function *f_msg_multi; |
f176a5d8 | 225 | |
c94e289f | 226 | static int cdc_do_config(struct usb_configuration *c) |
f176a5d8 | 227 | { |
1bcce939 | 228 | struct fsg_opts *fsg_opts; |
f176a5d8 MN |
229 | int ret; |
230 | ||
231 | if (gadget_is_otg(c->cdev->gadget)) { | |
232 | c->descriptors = otg_desc; | |
233 | c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; | |
234 | } | |
235 | ||
73889015 AP |
236 | f_ecm = usb_get_function(fi_ecm); |
237 | if (IS_ERR(f_ecm)) | |
238 | return PTR_ERR(f_ecm); | |
239 | ||
240 | ret = usb_add_function(c, f_ecm); | |
f176a5d8 | 241 | if (ret < 0) |
73889015 | 242 | goto err_func_ecm; |
f176a5d8 | 243 | |
59835ad7 SAS |
244 | /* implicit port_num is zero */ |
245 | f_acm_multi = usb_get_function(fi_acm); | |
73889015 AP |
246 | if (IS_ERR(f_acm_multi)) { |
247 | ret = PTR_ERR(f_acm_multi); | |
248 | goto err_func_acm; | |
249 | } | |
59835ad7 SAS |
250 | |
251 | ret = usb_add_function(c, f_acm_multi); | |
252 | if (ret) | |
253 | goto err_conf; | |
f176a5d8 | 254 | |
1bcce939 AP |
255 | f_msg_multi = usb_get_function(fi_msg); |
256 | if (IS_ERR(f_msg_multi)) { | |
257 | ret = PTR_ERR(f_msg_multi); | |
59835ad7 | 258 | goto err_fsg; |
1bcce939 AP |
259 | } |
260 | ||
261 | fsg_opts = fsg_opts_from_func_inst(fi_msg); | |
262 | ret = fsg_common_run_thread(fsg_opts->common); | |
263 | if (ret) | |
264 | goto err_run; | |
265 | ||
266 | ret = usb_add_function(c, f_msg_multi); | |
267 | if (ret) | |
268 | goto err_run; | |
f176a5d8 MN |
269 | |
270 | return 0; | |
1bcce939 AP |
271 | err_run: |
272 | usb_put_function(f_msg_multi); | |
59835ad7 SAS |
273 | err_fsg: |
274 | usb_remove_function(c, f_acm_multi); | |
275 | err_conf: | |
276 | usb_put_function(f_acm_multi); | |
73889015 AP |
277 | err_func_acm: |
278 | usb_remove_function(c, f_ecm); | |
279 | err_func_ecm: | |
280 | usb_put_function(f_ecm); | |
59835ad7 | 281 | return ret; |
f176a5d8 MN |
282 | } |
283 | ||
780cc0f3 | 284 | static __ref int cdc_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
285 | { |
286 | static struct usb_configuration config = { | |
279cc49a MN |
287 | .bConfigurationValue = MULTI_CDC_CONFIG_NUM, |
288 | .bmAttributes = USB_CONFIG_ATT_SELFPOWER, | |
289 | }; | |
290 | ||
291 | config.label = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].s; | |
292 | config.iConfiguration = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].id; | |
293 | ||
c9bfff9c | 294 | return usb_add_config(cdev, &config, cdc_do_config); |
279cc49a MN |
295 | } |
296 | ||
297 | #else | |
298 | ||
780cc0f3 | 299 | static __ref int cdc_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
300 | { |
301 | return 0; | |
302 | } | |
f176a5d8 MN |
303 | |
304 | #endif | |
305 | ||
306 | ||
307 | ||
308 | /****************************** Gadget Bind ******************************/ | |
309 | ||
279cc49a | 310 | static int __ref multi_bind(struct usb_composite_dev *cdev) |
f176a5d8 MN |
311 | { |
312 | struct usb_gadget *gadget = cdev->gadget; | |
73889015 AP |
313 | #ifdef CONFIG_USB_G_MULTI_CDC |
314 | struct f_ecm_opts *ecm_opts; | |
4d1a8f68 AP |
315 | #endif |
316 | #ifdef USB_ETH_RNDIS | |
317 | struct f_rndis_opts *rndis_opts; | |
73889015 | 318 | #endif |
1bcce939 AP |
319 | struct fsg_opts *fsg_opts; |
320 | struct fsg_config config; | |
ed9cbda6 | 321 | int status; |
f176a5d8 MN |
322 | |
323 | if (!can_support_ecm(cdev->gadget)) { | |
324 | dev_err(&gadget->dev, "controller '%s' not usable\n", | |
4d1a8f68 | 325 | gadget->name); |
f176a5d8 MN |
326 | return -EINVAL; |
327 | } | |
328 | ||
73889015 AP |
329 | #ifdef CONFIG_USB_G_MULTI_CDC |
330 | fi_ecm = usb_get_function_instance("ecm"); | |
331 | if (IS_ERR(fi_ecm)) | |
332 | return PTR_ERR(fi_ecm); | |
333 | ||
334 | ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst); | |
335 | ||
336 | gether_set_qmult(ecm_opts->net, qmult); | |
337 | if (!gether_set_host_addr(ecm_opts->net, host_addr)) | |
338 | pr_info("using host ethernet address: %s", host_addr); | |
339 | if (!gether_set_dev_addr(ecm_opts->net, dev_addr)) | |
340 | pr_info("using self ethernet address: %s", dev_addr); | |
4d1a8f68 | 341 | #endif |
73889015 | 342 | |
4d1a8f68 AP |
343 | #ifdef USB_ETH_RNDIS |
344 | fi_rndis = usb_get_function_instance("rndis"); | |
345 | if (IS_ERR(fi_rndis)) { | |
346 | status = PTR_ERR(fi_rndis); | |
347 | goto fail; | |
348 | } | |
73889015 | 349 | |
4d1a8f68 | 350 | rndis_opts = container_of(fi_rndis, struct f_rndis_opts, func_inst); |
73889015 | 351 | |
4d1a8f68 AP |
352 | gether_set_qmult(rndis_opts->net, qmult); |
353 | if (!gether_set_host_addr(rndis_opts->net, host_addr)) | |
354 | pr_info("using host ethernet address: %s", host_addr); | |
355 | if (!gether_set_dev_addr(rndis_opts->net, dev_addr)) | |
356 | pr_info("using self ethernet address: %s", dev_addr); | |
73889015 AP |
357 | #endif |
358 | ||
359 | #if (defined CONFIG_USB_G_MULTI_CDC && defined USB_ETH_RNDIS) | |
4d1a8f68 AP |
360 | /* |
361 | * If both ecm and rndis are selected then: | |
362 | * 1) rndis borrows the net interface from ecm | |
363 | * 2) since the interface is shared it must not be bound | |
364 | * twice - in ecm's _and_ rndis' binds, so do it here. | |
365 | */ | |
73889015 AP |
366 | gether_set_gadget(ecm_opts->net, cdev->gadget); |
367 | status = gether_register_netdev(ecm_opts->net); | |
368 | if (status) | |
369 | goto fail0; | |
73889015 | 370 | |
4d1a8f68 AP |
371 | rndis_borrow_net(fi_rndis, ecm_opts->net); |
372 | ecm_opts->bound = true; | |
73889015 | 373 | #endif |
f176a5d8 MN |
374 | |
375 | /* set up serial link layer */ | |
59835ad7 SAS |
376 | fi_acm = usb_get_function_instance("acm"); |
377 | if (IS_ERR(fi_acm)) { | |
378 | status = PTR_ERR(fi_acm); | |
c4ed4ac1 | 379 | goto fail0; |
59835ad7 SAS |
380 | } |
381 | ||
f176a5d8 | 382 | /* set up mass storage function */ |
1bcce939 AP |
383 | fi_msg = usb_get_function_instance("mass_storage"); |
384 | if (IS_ERR(fi_msg)) { | |
385 | status = PTR_ERR(fi_msg); | |
386 | goto fail1; | |
f176a5d8 | 387 | } |
1bcce939 AP |
388 | fsg_config_from_params(&config, &fsg_mod_data, fsg_num_buffers); |
389 | fsg_opts = fsg_opts_from_func_inst(fi_msg); | |
390 | ||
391 | fsg_opts->no_configfs = true; | |
392 | status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers); | |
393 | if (status) | |
394 | goto fail2; | |
395 | ||
1bcce939 AP |
396 | status = fsg_common_set_cdev(fsg_opts->common, cdev, config.can_stall); |
397 | if (status) | |
398 | goto fail_set_cdev; | |
399 | ||
400 | fsg_common_set_sysfs(fsg_opts->common, true); | |
401 | status = fsg_common_create_luns(fsg_opts->common, &config); | |
402 | if (status) | |
403 | goto fail_set_cdev; | |
404 | ||
405 | fsg_common_set_inquiry_string(fsg_opts->common, config.vendor_name, | |
406 | config.product_name); | |
f176a5d8 | 407 | |
a99d8a45 | 408 | /* allocate string IDs */ |
279cc49a MN |
409 | status = usb_string_ids_tab(cdev, strings_dev); |
410 | if (unlikely(status < 0)) | |
1bcce939 | 411 | goto fail_string_ids; |
d33f74fc | 412 | device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; |
f176a5d8 | 413 | |
21ddc2a8 LJ |
414 | if (gadget_is_otg(gadget) && !otg_desc[0]) { |
415 | struct usb_descriptor_header *usb_desc; | |
416 | ||
417 | usb_desc = usb_otg_descriptor_alloc(gadget); | |
418 | if (!usb_desc) | |
419 | goto fail_string_ids; | |
420 | usb_otg_descriptor_init(gadget, usb_desc); | |
421 | otg_desc[0] = usb_desc; | |
422 | otg_desc[1] = NULL; | |
423 | } | |
424 | ||
279cc49a MN |
425 | /* register configurations */ |
426 | status = rndis_config_register(cdev); | |
427 | if (unlikely(status < 0)) | |
21ddc2a8 | 428 | goto fail_otg_desc; |
f176a5d8 | 429 | |
279cc49a MN |
430 | status = cdc_config_register(cdev); |
431 | if (unlikely(status < 0)) | |
21ddc2a8 | 432 | goto fail_otg_desc; |
7d16e8d3 | 433 | usb_composite_overwrite_options(cdev, &coverwrite); |
f176a5d8 | 434 | |
279cc49a MN |
435 | /* we're done */ |
436 | dev_info(&gadget->dev, DRIVER_DESC "\n"); | |
f176a5d8 MN |
437 | return 0; |
438 | ||
279cc49a MN |
439 | |
440 | /* error recovery */ | |
21ddc2a8 LJ |
441 | fail_otg_desc: |
442 | kfree(otg_desc[0]); | |
443 | otg_desc[0] = NULL; | |
1bcce939 AP |
444 | fail_string_ids: |
445 | fsg_common_remove_luns(fsg_opts->common); | |
446 | fail_set_cdev: | |
1bcce939 | 447 | fsg_common_free_buffers(fsg_opts->common); |
f176a5d8 | 448 | fail2: |
1bcce939 | 449 | usb_put_function_instance(fi_msg); |
f176a5d8 | 450 | fail1: |
59835ad7 | 451 | usb_put_function_instance(fi_acm); |
f176a5d8 | 452 | fail0: |
4d1a8f68 AP |
453 | #ifdef USB_ETH_RNDIS |
454 | usb_put_function_instance(fi_rndis); | |
455 | fail: | |
456 | #endif | |
73889015 AP |
457 | #ifdef CONFIG_USB_G_MULTI_CDC |
458 | usb_put_function_instance(fi_ecm); | |
73889015 | 459 | #endif |
f176a5d8 MN |
460 | return status; |
461 | } | |
462 | ||
c94e289f | 463 | static int multi_unbind(struct usb_composite_dev *cdev) |
f176a5d8 | 464 | { |
1bcce939 AP |
465 | #ifdef CONFIG_USB_G_MULTI_CDC |
466 | usb_put_function(f_msg_multi); | |
467 | #endif | |
468 | #ifdef USB_ETH_RNDIS | |
469 | usb_put_function(f_msg_rndis); | |
470 | #endif | |
471 | usb_put_function_instance(fi_msg); | |
59835ad7 SAS |
472 | #ifdef CONFIG_USB_G_MULTI_CDC |
473 | usb_put_function(f_acm_multi); | |
474 | #endif | |
475 | #ifdef USB_ETH_RNDIS | |
476 | usb_put_function(f_acm_rndis); | |
477 | #endif | |
478 | usb_put_function_instance(fi_acm); | |
4d1a8f68 AP |
479 | #ifdef USB_ETH_RNDIS |
480 | usb_put_function(f_rndis); | |
481 | usb_put_function_instance(fi_rndis); | |
482 | #endif | |
73889015 AP |
483 | #ifdef CONFIG_USB_G_MULTI_CDC |
484 | usb_put_function(f_ecm); | |
485 | usb_put_function_instance(fi_ecm); | |
73889015 | 486 | #endif |
21ddc2a8 LJ |
487 | kfree(otg_desc[0]); |
488 | otg_desc[0] = NULL; | |
489 | ||
f176a5d8 MN |
490 | return 0; |
491 | } | |
492 | ||
493 | ||
494 | /****************************** Some noise ******************************/ | |
495 | ||
496 | ||
c94e289f | 497 | static struct usb_composite_driver multi_driver = { |
f176a5d8 MN |
498 | .name = "g_multi", |
499 | .dev = &device_desc, | |
500 | .strings = dev_strings, | |
35a0e0bf | 501 | .max_speed = USB_SPEED_HIGH, |
03e42bd5 | 502 | .bind = multi_bind, |
c94e289f | 503 | .unbind = multi_unbind, |
a99d8a45 | 504 | .needs_serial = 1, |
f176a5d8 MN |
505 | }; |
506 | ||
909346a8 | 507 | module_usb_composite_driver(multi_driver); |