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 | ||
f176a5d8 MN |
81 | |
82 | static const struct usb_descriptor_header *otg_desc[] = { | |
279cc49a MN |
83 | (struct usb_descriptor_header *) &(struct usb_otg_descriptor){ |
84 | .bLength = sizeof(struct usb_otg_descriptor), | |
85 | .bDescriptorType = USB_DT_OTG, | |
86 | ||
87 | /* | |
88 | * REVISIT SRP-only hardware is possible, although | |
89 | * it would not be called "OTG" ... | |
90 | */ | |
91 | .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, | |
92 | }, | |
f176a5d8 MN |
93 | NULL, |
94 | }; | |
95 | ||
96 | ||
279cc49a | 97 | enum { |
276e2e4f | 98 | MULTI_STRING_RNDIS_CONFIG_IDX = USB_GADGET_FIRST_AVAIL_IDX, |
279cc49a | 99 | MULTI_STRING_CDC_CONFIG_IDX, |
279cc49a | 100 | }; |
f176a5d8 | 101 | |
f176a5d8 | 102 | static struct usb_string strings_dev[] = { |
276e2e4f | 103 | [USB_GADGET_MANUFACTURER_IDX].s = "", |
d33f74fc | 104 | [USB_GADGET_PRODUCT_IDX].s = DRIVER_DESC, |
276e2e4f | 105 | [USB_GADGET_SERIAL_IDX].s = "", |
279cc49a | 106 | [MULTI_STRING_RNDIS_CONFIG_IDX].s = "Multifunction with RNDIS", |
279cc49a | 107 | [MULTI_STRING_CDC_CONFIG_IDX].s = "Multifunction with CDC ECM", |
f176a5d8 MN |
108 | { } /* end of list */ |
109 | }; | |
110 | ||
f176a5d8 | 111 | static struct usb_gadget_strings *dev_strings[] = { |
279cc49a MN |
112 | &(struct usb_gadget_strings){ |
113 | .language = 0x0409, /* en-us */ | |
114 | .strings = strings_dev, | |
115 | }, | |
f176a5d8 MN |
116 | NULL, |
117 | }; | |
118 | ||
f176a5d8 MN |
119 | |
120 | ||
121 | ||
122 | /****************************** Configurations ******************************/ | |
123 | ||
279cc49a | 124 | static struct fsg_module_parameters fsg_mod_data = { .stall = 1 }; |
6fdc5dd2 AP |
125 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
126 | ||
127 | static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS; | |
128 | ||
129 | #else | |
130 | ||
131 | /* | |
132 | * Number of buffers we will use. | |
133 | * 2 is usually enough for good buffering pipeline | |
134 | */ | |
135 | #define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS | |
136 | ||
0c8b1992 | 137 | #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ |
6fdc5dd2 | 138 | |
279cc49a MN |
139 | FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data); |
140 | ||
59835ad7 | 141 | static struct usb_function_instance *fi_acm; |
1bcce939 | 142 | static struct usb_function_instance *fi_msg; |
f176a5d8 | 143 | |
279cc49a | 144 | /********** RNDIS **********/ |
f176a5d8 | 145 | |
396cda90 | 146 | #ifdef USB_ETH_RNDIS |
4d1a8f68 | 147 | static struct usb_function_instance *fi_rndis; |
59835ad7 | 148 | static struct usb_function *f_acm_rndis; |
4d1a8f68 | 149 | static struct usb_function *f_rndis; |
1bcce939 | 150 | static struct usb_function *f_msg_rndis; |
f176a5d8 | 151 | |
c9bfff9c | 152 | static __init int rndis_do_config(struct usb_configuration *c) |
f176a5d8 | 153 | { |
1bcce939 | 154 | struct fsg_opts *fsg_opts; |
f176a5d8 MN |
155 | int ret; |
156 | ||
157 | if (gadget_is_otg(c->cdev->gadget)) { | |
158 | c->descriptors = otg_desc; | |
159 | c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; | |
160 | } | |
161 | ||
4d1a8f68 AP |
162 | f_rndis = usb_get_function(fi_rndis); |
163 | if (IS_ERR(f_rndis)) | |
164 | return PTR_ERR(f_rndis); | |
165 | ||
166 | ret = usb_add_function(c, f_rndis); | |
f176a5d8 | 167 | if (ret < 0) |
4d1a8f68 | 168 | goto err_func_rndis; |
f176a5d8 | 169 | |
59835ad7 | 170 | f_acm_rndis = usb_get_function(fi_acm); |
4d1a8f68 AP |
171 | if (IS_ERR(f_acm_rndis)) { |
172 | ret = PTR_ERR(f_acm_rndis); | |
173 | goto err_func_acm; | |
174 | } | |
59835ad7 SAS |
175 | |
176 | ret = usb_add_function(c, f_acm_rndis); | |
177 | if (ret) | |
178 | goto err_conf; | |
f176a5d8 | 179 | |
1bcce939 AP |
180 | f_msg_rndis = usb_get_function(fi_msg); |
181 | if (IS_ERR(f_msg_rndis)) { | |
182 | ret = PTR_ERR(f_msg_rndis); | |
59835ad7 | 183 | goto err_fsg; |
1bcce939 AP |
184 | } |
185 | ||
186 | fsg_opts = fsg_opts_from_func_inst(fi_msg); | |
187 | ret = fsg_common_run_thread(fsg_opts->common); | |
188 | if (ret) | |
189 | goto err_run; | |
190 | ||
191 | ret = usb_add_function(c, f_msg_rndis); | |
192 | if (ret) | |
193 | goto err_run; | |
f176a5d8 MN |
194 | |
195 | return 0; | |
1bcce939 AP |
196 | err_run: |
197 | usb_put_function(f_msg_rndis); | |
59835ad7 SAS |
198 | err_fsg: |
199 | usb_remove_function(c, f_acm_rndis); | |
200 | err_conf: | |
201 | usb_put_function(f_acm_rndis); | |
4d1a8f68 AP |
202 | err_func_acm: |
203 | usb_remove_function(c, f_rndis); | |
204 | err_func_rndis: | |
205 | usb_put_function(f_rndis); | |
59835ad7 | 206 | return ret; |
f176a5d8 MN |
207 | } |
208 | ||
780cc0f3 | 209 | static __ref int rndis_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
210 | { |
211 | static struct usb_configuration config = { | |
279cc49a MN |
212 | .bConfigurationValue = MULTI_RNDIS_CONFIG_NUM, |
213 | .bmAttributes = USB_CONFIG_ATT_SELFPOWER, | |
214 | }; | |
215 | ||
216 | config.label = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].s; | |
217 | config.iConfiguration = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].id; | |
218 | ||
c9bfff9c | 219 | return usb_add_config(cdev, &config, rndis_do_config); |
279cc49a MN |
220 | } |
221 | ||
222 | #else | |
223 | ||
780cc0f3 | 224 | static __ref int rndis_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
225 | { |
226 | return 0; | |
227 | } | |
f176a5d8 MN |
228 | |
229 | #endif | |
230 | ||
279cc49a MN |
231 | |
232 | /********** CDC ECM **********/ | |
233 | ||
f176a5d8 | 234 | #ifdef CONFIG_USB_G_MULTI_CDC |
73889015 | 235 | static struct usb_function_instance *fi_ecm; |
59835ad7 | 236 | static struct usb_function *f_acm_multi; |
73889015 | 237 | static struct usb_function *f_ecm; |
1bcce939 | 238 | static struct usb_function *f_msg_multi; |
f176a5d8 | 239 | |
c9bfff9c | 240 | static __init int cdc_do_config(struct usb_configuration *c) |
f176a5d8 | 241 | { |
1bcce939 | 242 | struct fsg_opts *fsg_opts; |
f176a5d8 MN |
243 | int ret; |
244 | ||
245 | if (gadget_is_otg(c->cdev->gadget)) { | |
246 | c->descriptors = otg_desc; | |
247 | c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; | |
248 | } | |
249 | ||
73889015 AP |
250 | f_ecm = usb_get_function(fi_ecm); |
251 | if (IS_ERR(f_ecm)) | |
252 | return PTR_ERR(f_ecm); | |
253 | ||
254 | ret = usb_add_function(c, f_ecm); | |
f176a5d8 | 255 | if (ret < 0) |
73889015 | 256 | goto err_func_ecm; |
f176a5d8 | 257 | |
59835ad7 SAS |
258 | /* implicit port_num is zero */ |
259 | f_acm_multi = usb_get_function(fi_acm); | |
73889015 AP |
260 | if (IS_ERR(f_acm_multi)) { |
261 | ret = PTR_ERR(f_acm_multi); | |
262 | goto err_func_acm; | |
263 | } | |
59835ad7 SAS |
264 | |
265 | ret = usb_add_function(c, f_acm_multi); | |
266 | if (ret) | |
267 | goto err_conf; | |
f176a5d8 | 268 | |
1bcce939 AP |
269 | f_msg_multi = usb_get_function(fi_msg); |
270 | if (IS_ERR(f_msg_multi)) { | |
271 | ret = PTR_ERR(f_msg_multi); | |
59835ad7 | 272 | goto err_fsg; |
1bcce939 AP |
273 | } |
274 | ||
275 | fsg_opts = fsg_opts_from_func_inst(fi_msg); | |
276 | ret = fsg_common_run_thread(fsg_opts->common); | |
277 | if (ret) | |
278 | goto err_run; | |
279 | ||
280 | ret = usb_add_function(c, f_msg_multi); | |
281 | if (ret) | |
282 | goto err_run; | |
f176a5d8 MN |
283 | |
284 | return 0; | |
1bcce939 AP |
285 | err_run: |
286 | usb_put_function(f_msg_multi); | |
59835ad7 SAS |
287 | err_fsg: |
288 | usb_remove_function(c, f_acm_multi); | |
289 | err_conf: | |
290 | usb_put_function(f_acm_multi); | |
73889015 AP |
291 | err_func_acm: |
292 | usb_remove_function(c, f_ecm); | |
293 | err_func_ecm: | |
294 | usb_put_function(f_ecm); | |
59835ad7 | 295 | return ret; |
f176a5d8 MN |
296 | } |
297 | ||
780cc0f3 | 298 | static __ref int cdc_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
299 | { |
300 | static struct usb_configuration config = { | |
279cc49a MN |
301 | .bConfigurationValue = MULTI_CDC_CONFIG_NUM, |
302 | .bmAttributes = USB_CONFIG_ATT_SELFPOWER, | |
303 | }; | |
304 | ||
305 | config.label = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].s; | |
306 | config.iConfiguration = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].id; | |
307 | ||
c9bfff9c | 308 | return usb_add_config(cdev, &config, cdc_do_config); |
279cc49a MN |
309 | } |
310 | ||
311 | #else | |
312 | ||
780cc0f3 | 313 | static __ref int cdc_config_register(struct usb_composite_dev *cdev) |
279cc49a MN |
314 | { |
315 | return 0; | |
316 | } | |
f176a5d8 MN |
317 | |
318 | #endif | |
319 | ||
320 | ||
321 | ||
322 | /****************************** Gadget Bind ******************************/ | |
323 | ||
279cc49a | 324 | static int __ref multi_bind(struct usb_composite_dev *cdev) |
f176a5d8 MN |
325 | { |
326 | struct usb_gadget *gadget = cdev->gadget; | |
73889015 AP |
327 | #ifdef CONFIG_USB_G_MULTI_CDC |
328 | struct f_ecm_opts *ecm_opts; | |
4d1a8f68 AP |
329 | #endif |
330 | #ifdef USB_ETH_RNDIS | |
331 | struct f_rndis_opts *rndis_opts; | |
73889015 | 332 | #endif |
1bcce939 AP |
333 | struct fsg_opts *fsg_opts; |
334 | struct fsg_config config; | |
ed9cbda6 | 335 | int status; |
f176a5d8 MN |
336 | |
337 | if (!can_support_ecm(cdev->gadget)) { | |
338 | dev_err(&gadget->dev, "controller '%s' not usable\n", | |
4d1a8f68 | 339 | gadget->name); |
f176a5d8 MN |
340 | return -EINVAL; |
341 | } | |
342 | ||
73889015 AP |
343 | #ifdef CONFIG_USB_G_MULTI_CDC |
344 | fi_ecm = usb_get_function_instance("ecm"); | |
345 | if (IS_ERR(fi_ecm)) | |
346 | return PTR_ERR(fi_ecm); | |
347 | ||
348 | ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst); | |
349 | ||
350 | gether_set_qmult(ecm_opts->net, qmult); | |
351 | if (!gether_set_host_addr(ecm_opts->net, host_addr)) | |
352 | pr_info("using host ethernet address: %s", host_addr); | |
353 | if (!gether_set_dev_addr(ecm_opts->net, dev_addr)) | |
354 | pr_info("using self ethernet address: %s", dev_addr); | |
4d1a8f68 | 355 | #endif |
73889015 | 356 | |
4d1a8f68 AP |
357 | #ifdef USB_ETH_RNDIS |
358 | fi_rndis = usb_get_function_instance("rndis"); | |
359 | if (IS_ERR(fi_rndis)) { | |
360 | status = PTR_ERR(fi_rndis); | |
361 | goto fail; | |
362 | } | |
73889015 | 363 | |
4d1a8f68 | 364 | rndis_opts = container_of(fi_rndis, struct f_rndis_opts, func_inst); |
73889015 | 365 | |
4d1a8f68 AP |
366 | gether_set_qmult(rndis_opts->net, qmult); |
367 | if (!gether_set_host_addr(rndis_opts->net, host_addr)) | |
368 | pr_info("using host ethernet address: %s", host_addr); | |
369 | if (!gether_set_dev_addr(rndis_opts->net, dev_addr)) | |
370 | pr_info("using self ethernet address: %s", dev_addr); | |
73889015 AP |
371 | #endif |
372 | ||
373 | #if (defined CONFIG_USB_G_MULTI_CDC && defined USB_ETH_RNDIS) | |
4d1a8f68 AP |
374 | /* |
375 | * If both ecm and rndis are selected then: | |
376 | * 1) rndis borrows the net interface from ecm | |
377 | * 2) since the interface is shared it must not be bound | |
378 | * twice - in ecm's _and_ rndis' binds, so do it here. | |
379 | */ | |
73889015 AP |
380 | gether_set_gadget(ecm_opts->net, cdev->gadget); |
381 | status = gether_register_netdev(ecm_opts->net); | |
382 | if (status) | |
383 | goto fail0; | |
73889015 | 384 | |
4d1a8f68 AP |
385 | rndis_borrow_net(fi_rndis, ecm_opts->net); |
386 | ecm_opts->bound = true; | |
73889015 | 387 | #endif |
f176a5d8 MN |
388 | |
389 | /* set up serial link layer */ | |
59835ad7 SAS |
390 | fi_acm = usb_get_function_instance("acm"); |
391 | if (IS_ERR(fi_acm)) { | |
392 | status = PTR_ERR(fi_acm); | |
c4ed4ac1 | 393 | goto fail0; |
59835ad7 SAS |
394 | } |
395 | ||
f176a5d8 | 396 | /* set up mass storage function */ |
1bcce939 AP |
397 | fi_msg = usb_get_function_instance("mass_storage"); |
398 | if (IS_ERR(fi_msg)) { | |
399 | status = PTR_ERR(fi_msg); | |
400 | goto fail1; | |
f176a5d8 | 401 | } |
1bcce939 AP |
402 | fsg_config_from_params(&config, &fsg_mod_data, fsg_num_buffers); |
403 | fsg_opts = fsg_opts_from_func_inst(fi_msg); | |
404 | ||
405 | fsg_opts->no_configfs = true; | |
406 | status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers); | |
407 | if (status) | |
408 | goto fail2; | |
409 | ||
410 | status = fsg_common_set_nluns(fsg_opts->common, config.nluns); | |
411 | if (status) | |
412 | goto fail_set_nluns; | |
413 | ||
414 | status = fsg_common_set_cdev(fsg_opts->common, cdev, config.can_stall); | |
415 | if (status) | |
416 | goto fail_set_cdev; | |
417 | ||
418 | fsg_common_set_sysfs(fsg_opts->common, true); | |
419 | status = fsg_common_create_luns(fsg_opts->common, &config); | |
420 | if (status) | |
421 | goto fail_set_cdev; | |
422 | ||
423 | fsg_common_set_inquiry_string(fsg_opts->common, config.vendor_name, | |
424 | config.product_name); | |
f176a5d8 | 425 | |
a99d8a45 | 426 | /* allocate string IDs */ |
279cc49a MN |
427 | status = usb_string_ids_tab(cdev, strings_dev); |
428 | if (unlikely(status < 0)) | |
1bcce939 | 429 | goto fail_string_ids; |
d33f74fc | 430 | device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; |
f176a5d8 | 431 | |
279cc49a MN |
432 | /* register configurations */ |
433 | status = rndis_config_register(cdev); | |
434 | if (unlikely(status < 0)) | |
1bcce939 | 435 | goto fail_string_ids; |
f176a5d8 | 436 | |
279cc49a MN |
437 | status = cdc_config_register(cdev); |
438 | if (unlikely(status < 0)) | |
1bcce939 | 439 | goto fail_string_ids; |
7d16e8d3 | 440 | usb_composite_overwrite_options(cdev, &coverwrite); |
f176a5d8 | 441 | |
279cc49a MN |
442 | /* we're done */ |
443 | dev_info(&gadget->dev, DRIVER_DESC "\n"); | |
f176a5d8 MN |
444 | return 0; |
445 | ||
279cc49a MN |
446 | |
447 | /* error recovery */ | |
1bcce939 AP |
448 | fail_string_ids: |
449 | fsg_common_remove_luns(fsg_opts->common); | |
450 | fail_set_cdev: | |
451 | fsg_common_free_luns(fsg_opts->common); | |
452 | fail_set_nluns: | |
453 | fsg_common_free_buffers(fsg_opts->common); | |
f176a5d8 | 454 | fail2: |
1bcce939 | 455 | usb_put_function_instance(fi_msg); |
f176a5d8 | 456 | fail1: |
59835ad7 | 457 | usb_put_function_instance(fi_acm); |
f176a5d8 | 458 | fail0: |
4d1a8f68 AP |
459 | #ifdef USB_ETH_RNDIS |
460 | usb_put_function_instance(fi_rndis); | |
461 | fail: | |
462 | #endif | |
73889015 AP |
463 | #ifdef CONFIG_USB_G_MULTI_CDC |
464 | usb_put_function_instance(fi_ecm); | |
73889015 | 465 | #endif |
f176a5d8 MN |
466 | return status; |
467 | } | |
468 | ||
469 | static int __exit multi_unbind(struct usb_composite_dev *cdev) | |
470 | { | |
1bcce939 AP |
471 | #ifdef CONFIG_USB_G_MULTI_CDC |
472 | usb_put_function(f_msg_multi); | |
473 | #endif | |
474 | #ifdef USB_ETH_RNDIS | |
475 | usb_put_function(f_msg_rndis); | |
476 | #endif | |
477 | usb_put_function_instance(fi_msg); | |
59835ad7 SAS |
478 | #ifdef CONFIG_USB_G_MULTI_CDC |
479 | usb_put_function(f_acm_multi); | |
480 | #endif | |
481 | #ifdef USB_ETH_RNDIS | |
482 | usb_put_function(f_acm_rndis); | |
483 | #endif | |
484 | usb_put_function_instance(fi_acm); | |
4d1a8f68 AP |
485 | #ifdef USB_ETH_RNDIS |
486 | usb_put_function(f_rndis); | |
487 | usb_put_function_instance(fi_rndis); | |
488 | #endif | |
73889015 AP |
489 | #ifdef CONFIG_USB_G_MULTI_CDC |
490 | usb_put_function(f_ecm); | |
491 | usb_put_function_instance(fi_ecm); | |
73889015 | 492 | #endif |
f176a5d8 MN |
493 | return 0; |
494 | } | |
495 | ||
496 | ||
497 | /****************************** Some noise ******************************/ | |
498 | ||
499 | ||
c2ec75c2 | 500 | static __refdata struct usb_composite_driver multi_driver = { |
f176a5d8 MN |
501 | .name = "g_multi", |
502 | .dev = &device_desc, | |
503 | .strings = dev_strings, | |
35a0e0bf | 504 | .max_speed = USB_SPEED_HIGH, |
03e42bd5 | 505 | .bind = multi_bind, |
f176a5d8 | 506 | .unbind = __exit_p(multi_unbind), |
a99d8a45 | 507 | .needs_serial = 1, |
f176a5d8 MN |
508 | }; |
509 | ||
909346a8 | 510 | module_usb_composite_driver(multi_driver); |