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 | ||
0aecfc1b | 70 | /* .bcdUSB = DYNAMIC */ |
f176a5d8 | 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 MN |
139 | { |
140 | int ret; | |
141 | ||
142 | if (gadget_is_otg(c->cdev->gadget)) { | |
143 | c->descriptors = otg_desc; | |
144 | c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; | |
145 | } | |
146 | ||
4d1a8f68 AP |
147 | f_rndis = usb_get_function(fi_rndis); |
148 | if (IS_ERR(f_rndis)) | |
149 | return PTR_ERR(f_rndis); | |
150 | ||
151 | ret = usb_add_function(c, f_rndis); | |
f176a5d8 | 152 | if (ret < 0) |
4d1a8f68 | 153 | goto err_func_rndis; |
f176a5d8 | 154 | |
59835ad7 | 155 | f_acm_rndis = usb_get_function(fi_acm); |
4d1a8f68 AP |
156 | if (IS_ERR(f_acm_rndis)) { |
157 | ret = PTR_ERR(f_acm_rndis); | |
158 | goto err_func_acm; | |
159 | } | |
59835ad7 SAS |
160 | |
161 | ret = usb_add_function(c, f_acm_rndis); | |
162 | if (ret) | |
163 | goto err_conf; | |
f176a5d8 | 164 | |
1bcce939 AP |
165 | f_msg_rndis = usb_get_function(fi_msg); |
166 | if (IS_ERR(f_msg_rndis)) { | |
167 | ret = PTR_ERR(f_msg_rndis); | |
59835ad7 | 168 | goto err_fsg; |
1bcce939 AP |
169 | } |
170 | ||
1bcce939 AP |
171 | ret = usb_add_function(c, f_msg_rndis); |
172 | if (ret) | |
173 | goto err_run; | |
f176a5d8 MN |
174 | |
175 | return 0; | |
1bcce939 AP |
176 | err_run: |
177 | usb_put_function(f_msg_rndis); | |
59835ad7 SAS |
178 | err_fsg: |
179 | usb_remove_function(c, f_acm_rndis); | |
180 | err_conf: | |
181 | usb_put_function(f_acm_rndis); | |
4d1a8f68 AP |
182 | err_func_acm: |
183 | usb_remove_function(c, f_rndis); | |
184 | err_func_rndis: | |
185 | usb_put_function(f_rndis); | |
59835ad7 | 186 | return ret; |
f176a5d8 MN |
187 | } |
188 | ||
780cc0f3 | 189 | static __ref int rndis_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
190 | { |
191 | static struct usb_configuration config = { | |
279cc49a MN |
192 | .bConfigurationValue = MULTI_RNDIS_CONFIG_NUM, |
193 | .bmAttributes = USB_CONFIG_ATT_SELFPOWER, | |
194 | }; | |
195 | ||
196 | config.label = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].s; | |
197 | config.iConfiguration = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].id; | |
198 | ||
c9bfff9c | 199 | return usb_add_config(cdev, &config, rndis_do_config); |
279cc49a MN |
200 | } |
201 | ||
202 | #else | |
203 | ||
780cc0f3 | 204 | static __ref int rndis_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
205 | { |
206 | return 0; | |
207 | } | |
f176a5d8 MN |
208 | |
209 | #endif | |
210 | ||
279cc49a MN |
211 | |
212 | /********** CDC ECM **********/ | |
213 | ||
f176a5d8 | 214 | #ifdef CONFIG_USB_G_MULTI_CDC |
73889015 | 215 | static struct usb_function_instance *fi_ecm; |
59835ad7 | 216 | static struct usb_function *f_acm_multi; |
73889015 | 217 | static struct usb_function *f_ecm; |
1bcce939 | 218 | static struct usb_function *f_msg_multi; |
f176a5d8 | 219 | |
c94e289f | 220 | static int cdc_do_config(struct usb_configuration *c) |
f176a5d8 MN |
221 | { |
222 | int ret; | |
223 | ||
224 | if (gadget_is_otg(c->cdev->gadget)) { | |
225 | c->descriptors = otg_desc; | |
226 | c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; | |
227 | } | |
228 | ||
73889015 AP |
229 | f_ecm = usb_get_function(fi_ecm); |
230 | if (IS_ERR(f_ecm)) | |
231 | return PTR_ERR(f_ecm); | |
232 | ||
233 | ret = usb_add_function(c, f_ecm); | |
f176a5d8 | 234 | if (ret < 0) |
73889015 | 235 | goto err_func_ecm; |
f176a5d8 | 236 | |
59835ad7 SAS |
237 | /* implicit port_num is zero */ |
238 | f_acm_multi = usb_get_function(fi_acm); | |
73889015 AP |
239 | if (IS_ERR(f_acm_multi)) { |
240 | ret = PTR_ERR(f_acm_multi); | |
241 | goto err_func_acm; | |
242 | } | |
59835ad7 SAS |
243 | |
244 | ret = usb_add_function(c, f_acm_multi); | |
245 | if (ret) | |
246 | goto err_conf; | |
f176a5d8 | 247 | |
1bcce939 AP |
248 | f_msg_multi = usb_get_function(fi_msg); |
249 | if (IS_ERR(f_msg_multi)) { | |
250 | ret = PTR_ERR(f_msg_multi); | |
59835ad7 | 251 | goto err_fsg; |
1bcce939 AP |
252 | } |
253 | ||
1bcce939 AP |
254 | ret = usb_add_function(c, f_msg_multi); |
255 | if (ret) | |
256 | goto err_run; | |
f176a5d8 MN |
257 | |
258 | return 0; | |
1bcce939 AP |
259 | err_run: |
260 | usb_put_function(f_msg_multi); | |
59835ad7 SAS |
261 | err_fsg: |
262 | usb_remove_function(c, f_acm_multi); | |
263 | err_conf: | |
264 | usb_put_function(f_acm_multi); | |
73889015 AP |
265 | err_func_acm: |
266 | usb_remove_function(c, f_ecm); | |
267 | err_func_ecm: | |
268 | usb_put_function(f_ecm); | |
59835ad7 | 269 | return ret; |
f176a5d8 MN |
270 | } |
271 | ||
780cc0f3 | 272 | static __ref int cdc_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
273 | { |
274 | static struct usb_configuration config = { | |
279cc49a MN |
275 | .bConfigurationValue = MULTI_CDC_CONFIG_NUM, |
276 | .bmAttributes = USB_CONFIG_ATT_SELFPOWER, | |
277 | }; | |
278 | ||
279 | config.label = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].s; | |
280 | config.iConfiguration = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].id; | |
281 | ||
c9bfff9c | 282 | return usb_add_config(cdev, &config, cdc_do_config); |
279cc49a MN |
283 | } |
284 | ||
285 | #else | |
286 | ||
780cc0f3 | 287 | static __ref int cdc_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
288 | { |
289 | return 0; | |
290 | } | |
f176a5d8 MN |
291 | |
292 | #endif | |
293 | ||
294 | ||
295 | ||
296 | /****************************** Gadget Bind ******************************/ | |
297 | ||
279cc49a | 298 | static int __ref multi_bind(struct usb_composite_dev *cdev) |
f176a5d8 MN |
299 | { |
300 | struct usb_gadget *gadget = cdev->gadget; | |
73889015 AP |
301 | #ifdef CONFIG_USB_G_MULTI_CDC |
302 | struct f_ecm_opts *ecm_opts; | |
4d1a8f68 AP |
303 | #endif |
304 | #ifdef USB_ETH_RNDIS | |
305 | struct f_rndis_opts *rndis_opts; | |
73889015 | 306 | #endif |
1bcce939 AP |
307 | struct fsg_opts *fsg_opts; |
308 | struct fsg_config config; | |
ed9cbda6 | 309 | int status; |
f176a5d8 MN |
310 | |
311 | if (!can_support_ecm(cdev->gadget)) { | |
312 | dev_err(&gadget->dev, "controller '%s' not usable\n", | |
4d1a8f68 | 313 | gadget->name); |
f176a5d8 MN |
314 | return -EINVAL; |
315 | } | |
316 | ||
73889015 AP |
317 | #ifdef CONFIG_USB_G_MULTI_CDC |
318 | fi_ecm = usb_get_function_instance("ecm"); | |
319 | if (IS_ERR(fi_ecm)) | |
320 | return PTR_ERR(fi_ecm); | |
321 | ||
322 | ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst); | |
323 | ||
324 | gether_set_qmult(ecm_opts->net, qmult); | |
325 | if (!gether_set_host_addr(ecm_opts->net, host_addr)) | |
326 | pr_info("using host ethernet address: %s", host_addr); | |
327 | if (!gether_set_dev_addr(ecm_opts->net, dev_addr)) | |
328 | pr_info("using self ethernet address: %s", dev_addr); | |
4d1a8f68 | 329 | #endif |
73889015 | 330 | |
4d1a8f68 AP |
331 | #ifdef USB_ETH_RNDIS |
332 | fi_rndis = usb_get_function_instance("rndis"); | |
333 | if (IS_ERR(fi_rndis)) { | |
334 | status = PTR_ERR(fi_rndis); | |
335 | goto fail; | |
336 | } | |
73889015 | 337 | |
4d1a8f68 | 338 | rndis_opts = container_of(fi_rndis, struct f_rndis_opts, func_inst); |
73889015 | 339 | |
4d1a8f68 AP |
340 | gether_set_qmult(rndis_opts->net, qmult); |
341 | if (!gether_set_host_addr(rndis_opts->net, host_addr)) | |
342 | pr_info("using host ethernet address: %s", host_addr); | |
343 | if (!gether_set_dev_addr(rndis_opts->net, dev_addr)) | |
344 | pr_info("using self ethernet address: %s", dev_addr); | |
73889015 AP |
345 | #endif |
346 | ||
347 | #if (defined CONFIG_USB_G_MULTI_CDC && defined USB_ETH_RNDIS) | |
4d1a8f68 AP |
348 | /* |
349 | * If both ecm and rndis are selected then: | |
350 | * 1) rndis borrows the net interface from ecm | |
351 | * 2) since the interface is shared it must not be bound | |
352 | * twice - in ecm's _and_ rndis' binds, so do it here. | |
353 | */ | |
73889015 AP |
354 | gether_set_gadget(ecm_opts->net, cdev->gadget); |
355 | status = gether_register_netdev(ecm_opts->net); | |
356 | if (status) | |
357 | goto fail0; | |
73889015 | 358 | |
4d1a8f68 AP |
359 | rndis_borrow_net(fi_rndis, ecm_opts->net); |
360 | ecm_opts->bound = true; | |
73889015 | 361 | #endif |
f176a5d8 MN |
362 | |
363 | /* set up serial link layer */ | |
59835ad7 SAS |
364 | fi_acm = usb_get_function_instance("acm"); |
365 | if (IS_ERR(fi_acm)) { | |
366 | status = PTR_ERR(fi_acm); | |
c4ed4ac1 | 367 | goto fail0; |
59835ad7 SAS |
368 | } |
369 | ||
f176a5d8 | 370 | /* set up mass storage function */ |
1bcce939 AP |
371 | fi_msg = usb_get_function_instance("mass_storage"); |
372 | if (IS_ERR(fi_msg)) { | |
373 | status = PTR_ERR(fi_msg); | |
374 | goto fail1; | |
f176a5d8 | 375 | } |
1bcce939 AP |
376 | fsg_config_from_params(&config, &fsg_mod_data, fsg_num_buffers); |
377 | fsg_opts = fsg_opts_from_func_inst(fi_msg); | |
378 | ||
379 | fsg_opts->no_configfs = true; | |
380 | status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers); | |
381 | if (status) | |
382 | goto fail2; | |
383 | ||
1bcce939 AP |
384 | status = fsg_common_set_cdev(fsg_opts->common, cdev, config.can_stall); |
385 | if (status) | |
386 | goto fail_set_cdev; | |
387 | ||
388 | fsg_common_set_sysfs(fsg_opts->common, true); | |
389 | status = fsg_common_create_luns(fsg_opts->common, &config); | |
390 | if (status) | |
391 | goto fail_set_cdev; | |
392 | ||
393 | fsg_common_set_inquiry_string(fsg_opts->common, config.vendor_name, | |
394 | config.product_name); | |
f176a5d8 | 395 | |
a99d8a45 | 396 | /* allocate string IDs */ |
279cc49a MN |
397 | status = usb_string_ids_tab(cdev, strings_dev); |
398 | if (unlikely(status < 0)) | |
1bcce939 | 399 | goto fail_string_ids; |
d33f74fc | 400 | device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; |
f176a5d8 | 401 | |
21ddc2a8 LJ |
402 | if (gadget_is_otg(gadget) && !otg_desc[0]) { |
403 | struct usb_descriptor_header *usb_desc; | |
404 | ||
405 | usb_desc = usb_otg_descriptor_alloc(gadget); | |
406 | if (!usb_desc) | |
407 | goto fail_string_ids; | |
408 | usb_otg_descriptor_init(gadget, usb_desc); | |
409 | otg_desc[0] = usb_desc; | |
410 | otg_desc[1] = NULL; | |
411 | } | |
412 | ||
279cc49a MN |
413 | /* register configurations */ |
414 | status = rndis_config_register(cdev); | |
415 | if (unlikely(status < 0)) | |
21ddc2a8 | 416 | goto fail_otg_desc; |
f176a5d8 | 417 | |
279cc49a MN |
418 | status = cdc_config_register(cdev); |
419 | if (unlikely(status < 0)) | |
21ddc2a8 | 420 | goto fail_otg_desc; |
7d16e8d3 | 421 | usb_composite_overwrite_options(cdev, &coverwrite); |
f176a5d8 | 422 | |
279cc49a MN |
423 | /* we're done */ |
424 | dev_info(&gadget->dev, DRIVER_DESC "\n"); | |
f176a5d8 MN |
425 | return 0; |
426 | ||
279cc49a MN |
427 | |
428 | /* error recovery */ | |
21ddc2a8 LJ |
429 | fail_otg_desc: |
430 | kfree(otg_desc[0]); | |
431 | otg_desc[0] = NULL; | |
1bcce939 AP |
432 | fail_string_ids: |
433 | fsg_common_remove_luns(fsg_opts->common); | |
434 | fail_set_cdev: | |
1bcce939 | 435 | fsg_common_free_buffers(fsg_opts->common); |
f176a5d8 | 436 | fail2: |
1bcce939 | 437 | usb_put_function_instance(fi_msg); |
f176a5d8 | 438 | fail1: |
59835ad7 | 439 | usb_put_function_instance(fi_acm); |
f176a5d8 | 440 | fail0: |
4d1a8f68 AP |
441 | #ifdef USB_ETH_RNDIS |
442 | usb_put_function_instance(fi_rndis); | |
443 | fail: | |
444 | #endif | |
73889015 AP |
445 | #ifdef CONFIG_USB_G_MULTI_CDC |
446 | usb_put_function_instance(fi_ecm); | |
73889015 | 447 | #endif |
f176a5d8 MN |
448 | return status; |
449 | } | |
450 | ||
c94e289f | 451 | static int multi_unbind(struct usb_composite_dev *cdev) |
f176a5d8 | 452 | { |
1bcce939 AP |
453 | #ifdef CONFIG_USB_G_MULTI_CDC |
454 | usb_put_function(f_msg_multi); | |
455 | #endif | |
456 | #ifdef USB_ETH_RNDIS | |
457 | usb_put_function(f_msg_rndis); | |
458 | #endif | |
459 | usb_put_function_instance(fi_msg); | |
59835ad7 SAS |
460 | #ifdef CONFIG_USB_G_MULTI_CDC |
461 | usb_put_function(f_acm_multi); | |
462 | #endif | |
463 | #ifdef USB_ETH_RNDIS | |
464 | usb_put_function(f_acm_rndis); | |
465 | #endif | |
466 | usb_put_function_instance(fi_acm); | |
4d1a8f68 AP |
467 | #ifdef USB_ETH_RNDIS |
468 | usb_put_function(f_rndis); | |
469 | usb_put_function_instance(fi_rndis); | |
470 | #endif | |
73889015 AP |
471 | #ifdef CONFIG_USB_G_MULTI_CDC |
472 | usb_put_function(f_ecm); | |
473 | usb_put_function_instance(fi_ecm); | |
73889015 | 474 | #endif |
21ddc2a8 LJ |
475 | kfree(otg_desc[0]); |
476 | otg_desc[0] = NULL; | |
477 | ||
f176a5d8 MN |
478 | return 0; |
479 | } | |
480 | ||
481 | ||
482 | /****************************** Some noise ******************************/ | |
483 | ||
484 | ||
c94e289f | 485 | static struct usb_composite_driver multi_driver = { |
f176a5d8 MN |
486 | .name = "g_multi", |
487 | .dev = &device_desc, | |
488 | .strings = dev_strings, | |
35a0e0bf | 489 | .max_speed = USB_SPEED_HIGH, |
03e42bd5 | 490 | .bind = multi_bind, |
c94e289f | 491 | .unbind = multi_unbind, |
a99d8a45 | 492 | .needs_serial = 1, |
f176a5d8 MN |
493 | }; |
494 | ||
909346a8 | 495 | module_usb_composite_driver(multi_driver); |