1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * USB device quirk handling logic and table 4 * 5 * Copyright (c) 2007 Oliver Neukum 6 * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de> 7 */ 8 9 #include <linux/moduleparam.h> 10 #include <linux/usb.h> 11 #include <linux/usb/quirks.h> 12 #include <linux/usb/hcd.h> 13 #include "usb.h" 14 15 struct quirk_entry { 16 u16 vid; 17 u16 pid; 18 u32 flags; 19 }; 20 21 static DEFINE_MUTEX(quirk_mutex); 22 23 static struct quirk_entry *quirk_list; 24 static unsigned int quirk_count; 25 26 static char quirks_param[128]; 27 28 static int quirks_param_set(const char *value, const struct kernel_param *kp) 29 { 30 char *val, *p, *field; 31 u16 vid, pid; 32 u32 flags; 33 size_t i; 34 int err; 35 36 val = kstrdup(value, GFP_KERNEL); 37 if (!val) 38 return -ENOMEM; 39 40 err = param_set_copystring(val, kp); 41 if (err) { 42 kfree(val); 43 return err; 44 } 45 46 mutex_lock(&quirk_mutex); 47 48 if (!*val) { 49 quirk_count = 0; 50 kfree(quirk_list); 51 quirk_list = NULL; 52 goto unlock; 53 } 54 55 for (quirk_count = 1, i = 0; val[i]; i++) 56 if (val[i] == ',') 57 quirk_count++; 58 59 if (quirk_list) { 60 kfree(quirk_list); 61 quirk_list = NULL; 62 } 63 64 quirk_list = kcalloc(quirk_count, sizeof(struct quirk_entry), 65 GFP_KERNEL); 66 if (!quirk_list) { 67 quirk_count = 0; 68 mutex_unlock(&quirk_mutex); 69 kfree(val); 70 return -ENOMEM; 71 } 72 73 for (i = 0, p = val; p && *p;) { 74 /* Each entry consists of VID:PID:flags */ 75 field = strsep(&p, ":"); 76 if (!field) 77 break; 78 79 if (kstrtou16(field, 16, &vid)) 80 break; 81 82 field = strsep(&p, ":"); 83 if (!field) 84 break; 85 86 if (kstrtou16(field, 16, &pid)) 87 break; 88 89 field = strsep(&p, ","); 90 if (!field || !*field) 91 break; 92 93 /* Collect the flags */ 94 for (flags = 0; *field; field++) { 95 switch (*field) { 96 case 'a': 97 flags |= USB_QUIRK_STRING_FETCH_255; 98 break; 99 case 'b': 100 flags |= USB_QUIRK_RESET_RESUME; 101 break; 102 case 'c': 103 flags |= USB_QUIRK_NO_SET_INTF; 104 break; 105 case 'd': 106 flags |= USB_QUIRK_CONFIG_INTF_STRINGS; 107 break; 108 case 'e': 109 flags |= USB_QUIRK_RESET; 110 break; 111 case 'f': 112 flags |= USB_QUIRK_HONOR_BNUMINTERFACES; 113 break; 114 case 'g': 115 flags |= USB_QUIRK_DELAY_INIT; 116 break; 117 case 'h': 118 flags |= USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL; 119 break; 120 case 'i': 121 flags |= USB_QUIRK_DEVICE_QUALIFIER; 122 break; 123 case 'j': 124 flags |= USB_QUIRK_IGNORE_REMOTE_WAKEUP; 125 break; 126 case 'k': 127 flags |= USB_QUIRK_NO_LPM; 128 break; 129 case 'l': 130 flags |= USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL; 131 break; 132 case 'm': 133 flags |= USB_QUIRK_DISCONNECT_SUSPEND; 134 break; 135 case 'n': 136 flags |= USB_QUIRK_DELAY_CTRL_MSG; 137 break; 138 case 'o': 139 flags |= USB_QUIRK_HUB_SLOW_RESET; 140 break; 141 /* Ignore unrecognized flag characters */ 142 } 143 } 144 145 quirk_list[i++] = (struct quirk_entry) 146 { .vid = vid, .pid = pid, .flags = flags }; 147 } 148 149 if (i < quirk_count) 150 quirk_count = i; 151 152 unlock: 153 mutex_unlock(&quirk_mutex); 154 kfree(val); 155 156 return 0; 157 } 158 159 static const struct kernel_param_ops quirks_param_ops = { 160 .set = quirks_param_set, 161 .get = param_get_string, 162 }; 163 164 static struct kparam_string quirks_param_string = { 165 .maxlen = sizeof(quirks_param), 166 .string = quirks_param, 167 }; 168 169 device_param_cb(quirks, &quirks_param_ops, &quirks_param_string, 0644); 170 MODULE_PARM_DESC(quirks, "Add/modify USB quirks by specifying quirks=vendorID:productID:quirks"); 171 172 /* Lists of quirky USB devices, split in device quirks and interface quirks. 173 * Device quirks are applied at the very beginning of the enumeration process, 174 * right after reading the device descriptor. They can thus only match on device 175 * information. 176 * 177 * Interface quirks are applied after reading all the configuration descriptors. 178 * They can match on both device and interface information. 179 * 180 * Note that the DELAY_INIT and HONOR_BNUMINTERFACES quirks do not make sense as 181 * interface quirks, as they only influence the enumeration process which is run 182 * before processing the interface quirks. 183 * 184 * Please keep the lists ordered by: 185 * 1) Vendor ID 186 * 2) Product ID 187 * 3) Class ID 188 */ 189 static const struct usb_device_id usb_quirk_list[] = { 190 /* CBM - Flash disk */ 191 { USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME }, 192 193 /* WORLDE Controller KS49 or Prodipe MIDI 49C USB controller */ 194 { USB_DEVICE(0x0218, 0x0201), .driver_info = 195 USB_QUIRK_CONFIG_INTF_STRINGS }, 196 197 /* WORLDE easy key (easykey.25) MIDI controller */ 198 { USB_DEVICE(0x0218, 0x0401), .driver_info = 199 USB_QUIRK_CONFIG_INTF_STRINGS }, 200 201 /* HP 5300/5370C scanner */ 202 { USB_DEVICE(0x03f0, 0x0701), .driver_info = 203 USB_QUIRK_STRING_FETCH_255 }, 204 205 /* HP v222w 16GB Mini USB Drive */ 206 { USB_DEVICE(0x03f0, 0x3f40), .driver_info = USB_QUIRK_DELAY_INIT }, 207 208 /* Creative SB Audigy 2 NX */ 209 { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME }, 210 211 /* USB3503 */ 212 { USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME }, 213 214 /* Microsoft Wireless Laser Mouse 6000 Receiver */ 215 { USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME }, 216 217 /* Microsoft LifeCam-VX700 v2.0 */ 218 { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME }, 219 220 /* Microsoft Surface Dock Ethernet (RTL8153 GigE) */ 221 { USB_DEVICE(0x045e, 0x07c6), .driver_info = USB_QUIRK_NO_LPM }, 222 223 /* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */ 224 { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME }, 225 226 /* Logitech HD Webcam C270 */ 227 { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME }, 228 229 /* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */ 230 { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, 231 { USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT }, 232 { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT }, 233 { USB_DEVICE(0x046d, 0x085b), .driver_info = USB_QUIRK_DELAY_INIT }, 234 { USB_DEVICE(0x046d, 0x085c), .driver_info = USB_QUIRK_DELAY_INIT }, 235 236 /* Logitech ConferenceCam CC3000e */ 237 { USB_DEVICE(0x046d, 0x0847), .driver_info = USB_QUIRK_DELAY_INIT }, 238 { USB_DEVICE(0x046d, 0x0848), .driver_info = USB_QUIRK_DELAY_INIT }, 239 240 /* Logitech PTZ Pro Camera */ 241 { USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT }, 242 243 /* Logitech Screen Share */ 244 { USB_DEVICE(0x046d, 0x086c), .driver_info = USB_QUIRK_NO_LPM }, 245 246 /* Logitech Quickcam Fusion */ 247 { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME }, 248 249 /* Logitech Quickcam Orbit MP */ 250 { USB_DEVICE(0x046d, 0x08c2), .driver_info = USB_QUIRK_RESET_RESUME }, 251 252 /* Logitech Quickcam Pro for Notebook */ 253 { USB_DEVICE(0x046d, 0x08c3), .driver_info = USB_QUIRK_RESET_RESUME }, 254 255 /* Logitech Quickcam Pro 5000 */ 256 { USB_DEVICE(0x046d, 0x08c5), .driver_info = USB_QUIRK_RESET_RESUME }, 257 258 /* Logitech Quickcam OEM Dell Notebook */ 259 { USB_DEVICE(0x046d, 0x08c6), .driver_info = USB_QUIRK_RESET_RESUME }, 260 261 /* Logitech Quickcam OEM Cisco VT Camera II */ 262 { USB_DEVICE(0x046d, 0x08c7), .driver_info = USB_QUIRK_RESET_RESUME }, 263 264 /* Logitech Harmony 700-series */ 265 { USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT }, 266 267 /* Philips PSC805 audio device */ 268 { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME }, 269 270 /* Plantronic Audio 655 DSP */ 271 { USB_DEVICE(0x047f, 0xc008), .driver_info = USB_QUIRK_RESET_RESUME }, 272 273 /* Plantronic Audio 648 USB */ 274 { USB_DEVICE(0x047f, 0xc013), .driver_info = USB_QUIRK_RESET_RESUME }, 275 276 /* Artisman Watchdog Dongle */ 277 { USB_DEVICE(0x04b4, 0x0526), .driver_info = 278 USB_QUIRK_CONFIG_INTF_STRINGS }, 279 280 /* Microchip Joss Optical infrared touchboard device */ 281 { USB_DEVICE(0x04d8, 0x000c), .driver_info = 282 USB_QUIRK_CONFIG_INTF_STRINGS }, 283 284 /* CarrolTouch 4000U */ 285 { USB_DEVICE(0x04e7, 0x0009), .driver_info = USB_QUIRK_RESET_RESUME }, 286 287 /* CarrolTouch 4500U */ 288 { USB_DEVICE(0x04e7, 0x0030), .driver_info = USB_QUIRK_RESET_RESUME }, 289 290 /* Samsung Android phone modem - ID conflict with SPH-I500 */ 291 { USB_DEVICE(0x04e8, 0x6601), .driver_info = 292 USB_QUIRK_CONFIG_INTF_STRINGS }, 293 294 /* Elan Touchscreen */ 295 { USB_DEVICE(0x04f3, 0x0089), .driver_info = 296 USB_QUIRK_DEVICE_QUALIFIER }, 297 298 { USB_DEVICE(0x04f3, 0x009b), .driver_info = 299 USB_QUIRK_DEVICE_QUALIFIER }, 300 301 { USB_DEVICE(0x04f3, 0x010c), .driver_info = 302 USB_QUIRK_DEVICE_QUALIFIER }, 303 304 { USB_DEVICE(0x04f3, 0x0125), .driver_info = 305 USB_QUIRK_DEVICE_QUALIFIER }, 306 307 { USB_DEVICE(0x04f3, 0x016f), .driver_info = 308 USB_QUIRK_DEVICE_QUALIFIER }, 309 310 { USB_DEVICE(0x04f3, 0x0381), .driver_info = 311 USB_QUIRK_NO_LPM }, 312 313 { USB_DEVICE(0x04f3, 0x21b8), .driver_info = 314 USB_QUIRK_DEVICE_QUALIFIER }, 315 316 /* Roland SC-8820 */ 317 { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME }, 318 319 /* Edirol SD-20 */ 320 { USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME }, 321 322 /* Alcor Micro Corp. Hub */ 323 { USB_DEVICE(0x058f, 0x9254), .driver_info = USB_QUIRK_RESET_RESUME }, 324 325 /* appletouch */ 326 { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME }, 327 328 /* Genesys Logic hub, internally used by KY-688 USB 3.1 Type-C Hub */ 329 { USB_DEVICE(0x05e3, 0x0612), .driver_info = USB_QUIRK_NO_LPM }, 330 331 /* ELSA MicroLink 56K */ 332 { USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_RESET_RESUME }, 333 334 /* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */ 335 { USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM }, 336 337 /* Avision AV600U */ 338 { USB_DEVICE(0x0638, 0x0a13), .driver_info = 339 USB_QUIRK_STRING_FETCH_255 }, 340 341 /* Saitek Cyborg Gold Joystick */ 342 { USB_DEVICE(0x06a3, 0x0006), .driver_info = 343 USB_QUIRK_CONFIG_INTF_STRINGS }, 344 345 /* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */ 346 { USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME }, 347 348 /* Guillemot Webcam Hercules Dualpix Exchange*/ 349 { USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME }, 350 351 /* Midiman M-Audio Keystation 88es */ 352 { USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME }, 353 354 /* SanDisk Ultra Fit and Ultra Flair */ 355 { USB_DEVICE(0x0781, 0x5583), .driver_info = USB_QUIRK_NO_LPM }, 356 { USB_DEVICE(0x0781, 0x5591), .driver_info = USB_QUIRK_NO_LPM }, 357 358 /* M-Systems Flash Disk Pioneers */ 359 { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME }, 360 361 /* Baum Vario Ultra */ 362 { USB_DEVICE(0x0904, 0x6101), .driver_info = 363 USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL }, 364 { USB_DEVICE(0x0904, 0x6102), .driver_info = 365 USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL }, 366 { USB_DEVICE(0x0904, 0x6103), .driver_info = 367 USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL }, 368 369 /* Sound Devices USBPre2 */ 370 { USB_DEVICE(0x0926, 0x0202), .driver_info = 371 USB_QUIRK_ENDPOINT_IGNORE }, 372 373 /* Sound Devices MixPre-D */ 374 { USB_DEVICE(0x0926, 0x0208), .driver_info = 375 USB_QUIRK_ENDPOINT_IGNORE }, 376 377 /* Keytouch QWERTY Panel keyboard */ 378 { USB_DEVICE(0x0926, 0x3333), .driver_info = 379 USB_QUIRK_CONFIG_INTF_STRINGS }, 380 381 /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */ 382 { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF }, 383 384 /* Broadcom BCM92035DGROM BT dongle */ 385 { USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME }, 386 387 /* MAYA44USB sound device */ 388 { USB_DEVICE(0x0a92, 0x0091), .driver_info = USB_QUIRK_RESET_RESUME }, 389 390 /* ASUS Base Station(T100) */ 391 { USB_DEVICE(0x0b05, 0x17e0), .driver_info = 392 USB_QUIRK_IGNORE_REMOTE_WAKEUP }, 393 394 /* Realtek hub in Dell WD19 (Type-C) */ 395 { USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM }, 396 397 /* Generic RTL8153 based ethernet adapters */ 398 { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM }, 399 400 /* Action Semiconductor flash disk */ 401 { USB_DEVICE(0x10d6, 0x2200), .driver_info = 402 USB_QUIRK_STRING_FETCH_255 }, 403 404 /* Huawei 4G LTE module */ 405 { USB_DEVICE(0x12d1, 0x15bb), .driver_info = 406 USB_QUIRK_DISCONNECT_SUSPEND }, 407 { USB_DEVICE(0x12d1, 0x15c3), .driver_info = 408 USB_QUIRK_DISCONNECT_SUSPEND }, 409 410 /* SKYMEDI USB_DRIVE */ 411 { USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME }, 412 413 /* Razer - Razer Blade Keyboard */ 414 { USB_DEVICE(0x1532, 0x0116), .driver_info = 415 USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, 416 417 /* BUILDWIN Photo Frame */ 418 { USB_DEVICE(0x1908, 0x1315), .driver_info = 419 USB_QUIRK_HONOR_BNUMINTERFACES }, 420 421 /* Protocol and OTG Electrical Test Device */ 422 { USB_DEVICE(0x1a0a, 0x0200), .driver_info = 423 USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, 424 425 /* Terminus Technology Inc. Hub */ 426 { USB_DEVICE(0x1a40, 0x0101), .driver_info = USB_QUIRK_HUB_SLOW_RESET }, 427 428 /* Corsair K70 RGB */ 429 { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT | 430 USB_QUIRK_DELAY_CTRL_MSG }, 431 432 /* Corsair Strafe */ 433 { USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT | 434 USB_QUIRK_DELAY_CTRL_MSG }, 435 436 /* Corsair Strafe RGB */ 437 { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT | 438 USB_QUIRK_DELAY_CTRL_MSG }, 439 440 /* Corsair K70 LUX RGB */ 441 { USB_DEVICE(0x1b1c, 0x1b33), .driver_info = USB_QUIRK_DELAY_INIT }, 442 443 /* Corsair K70 LUX */ 444 { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT }, 445 446 /* Corsair K70 RGB RAPDIFIRE */ 447 { USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT | 448 USB_QUIRK_DELAY_CTRL_MSG }, 449 450 /* MIDI keyboard WORLDE MINI */ 451 { USB_DEVICE(0x1c75, 0x0204), .driver_info = 452 USB_QUIRK_CONFIG_INTF_STRINGS }, 453 454 /* Acer C120 LED Projector */ 455 { USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM }, 456 457 /* Blackmagic Design Intensity Shuttle */ 458 { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM }, 459 460 /* Blackmagic Design UltraStudio SDI */ 461 { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM }, 462 463 /* Hauppauge HVR-950q */ 464 { USB_DEVICE(0x2040, 0x7200), .driver_info = 465 USB_QUIRK_CONFIG_INTF_STRINGS }, 466 467 /* Raydium Touchscreen */ 468 { USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM }, 469 470 { USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM }, 471 472 { USB_DEVICE(0x2386, 0x350e), .driver_info = USB_QUIRK_NO_LPM }, 473 474 /* DJI CineSSD */ 475 { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM }, 476 477 /* INTEL VALUE SSD */ 478 { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME }, 479 480 /* novation SoundControl XL */ 481 { USB_DEVICE(0x1235, 0x0061), .driver_info = USB_QUIRK_RESET_RESUME }, 482 483 { } /* terminating entry must be last */ 484 }; 485 486 static const struct usb_device_id usb_interface_quirk_list[] = { 487 /* Logitech UVC Cameras */ 488 { USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0), 489 .driver_info = USB_QUIRK_RESET_RESUME }, 490 491 { } /* terminating entry must be last */ 492 }; 493 494 static const struct usb_device_id usb_amd_resume_quirk_list[] = { 495 /* Lenovo Mouse with Pixart controller */ 496 { USB_DEVICE(0x17ef, 0x602e), .driver_info = USB_QUIRK_RESET_RESUME }, 497 498 /* Pixart Mouse */ 499 { USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME }, 500 { USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME }, 501 { USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME }, 502 { USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME }, 503 504 /* Logitech Optical Mouse M90/M100 */ 505 { USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME }, 506 507 { } /* terminating entry must be last */ 508 }; 509 510 /* 511 * Entries for endpoints that should be ignored when parsing configuration 512 * descriptors. 513 * 514 * Matched for devices with USB_QUIRK_ENDPOINT_IGNORE. 515 */ 516 static const struct usb_device_id usb_endpoint_ignore[] = { 517 { USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0202, 1), .driver_info = 0x85 }, 518 { USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0208, 1), .driver_info = 0x85 }, 519 { } 520 }; 521 522 bool usb_endpoint_is_ignored(struct usb_device *udev, 523 struct usb_host_interface *intf, 524 struct usb_endpoint_descriptor *epd) 525 { 526 const struct usb_device_id *id; 527 unsigned int address; 528 529 for (id = usb_endpoint_ignore; id->match_flags; ++id) { 530 if (!usb_match_device(udev, id)) 531 continue; 532 533 if (!usb_match_one_id_intf(udev, intf, id)) 534 continue; 535 536 address = id->driver_info; 537 if (address == epd->bEndpointAddress) 538 return true; 539 } 540 541 return false; 542 } 543 544 static bool usb_match_any_interface(struct usb_device *udev, 545 const struct usb_device_id *id) 546 { 547 unsigned int i; 548 549 for (i = 0; i < udev->descriptor.bNumConfigurations; ++i) { 550 struct usb_host_config *cfg = &udev->config[i]; 551 unsigned int j; 552 553 for (j = 0; j < cfg->desc.bNumInterfaces; ++j) { 554 struct usb_interface_cache *cache; 555 struct usb_host_interface *intf; 556 557 cache = cfg->intf_cache[j]; 558 if (cache->num_altsetting == 0) 559 continue; 560 561 intf = &cache->altsetting[0]; 562 if (usb_match_one_id_intf(udev, intf, id)) 563 return true; 564 } 565 } 566 567 return false; 568 } 569 570 static int usb_amd_resume_quirk(struct usb_device *udev) 571 { 572 struct usb_hcd *hcd; 573 574 hcd = bus_to_hcd(udev->bus); 575 /* The device should be attached directly to root hub */ 576 if (udev->level == 1 && hcd->amd_resume_bug == 1) 577 return 1; 578 579 return 0; 580 } 581 582 static u32 usb_detect_static_quirks(struct usb_device *udev, 583 const struct usb_device_id *id) 584 { 585 u32 quirks = 0; 586 587 for (; id->match_flags; id++) { 588 if (!usb_match_device(udev, id)) 589 continue; 590 591 if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_INFO) && 592 !usb_match_any_interface(udev, id)) 593 continue; 594 595 quirks |= (u32)(id->driver_info); 596 } 597 598 return quirks; 599 } 600 601 static u32 usb_detect_dynamic_quirks(struct usb_device *udev) 602 { 603 u16 vid = le16_to_cpu(udev->descriptor.idVendor); 604 u16 pid = le16_to_cpu(udev->descriptor.idProduct); 605 int i, flags = 0; 606 607 mutex_lock(&quirk_mutex); 608 609 for (i = 0; i < quirk_count; i++) { 610 if (vid == quirk_list[i].vid && pid == quirk_list[i].pid) { 611 flags = quirk_list[i].flags; 612 break; 613 } 614 } 615 616 mutex_unlock(&quirk_mutex); 617 618 return flags; 619 } 620 621 /* 622 * Detect any quirks the device has, and do any housekeeping for it if needed. 623 */ 624 void usb_detect_quirks(struct usb_device *udev) 625 { 626 udev->quirks = usb_detect_static_quirks(udev, usb_quirk_list); 627 628 /* 629 * Pixart-based mice would trigger remote wakeup issue on AMD 630 * Yangtze chipset, so set them as RESET_RESUME flag. 631 */ 632 if (usb_amd_resume_quirk(udev)) 633 udev->quirks |= usb_detect_static_quirks(udev, 634 usb_amd_resume_quirk_list); 635 636 udev->quirks ^= usb_detect_dynamic_quirks(udev); 637 638 if (udev->quirks) 639 dev_dbg(&udev->dev, "USB quirks for this device: %x\n", 640 udev->quirks); 641 642 #ifdef CONFIG_USB_DEFAULT_PERSIST 643 if (!(udev->quirks & USB_QUIRK_RESET)) 644 udev->persist_enabled = 1; 645 #else 646 /* Hubs are automatically enabled for USB-PERSIST */ 647 if (udev->descriptor.bDeviceClass == USB_CLASS_HUB) 648 udev->persist_enabled = 1; 649 #endif /* CONFIG_USB_DEFAULT_PERSIST */ 650 } 651 652 void usb_detect_interface_quirks(struct usb_device *udev) 653 { 654 u32 quirks; 655 656 quirks = usb_detect_static_quirks(udev, usb_interface_quirk_list); 657 if (quirks == 0) 658 return; 659 660 dev_dbg(&udev->dev, "USB interface quirks for this device: %x\n", 661 quirks); 662 udev->quirks |= quirks; 663 } 664 665 void usb_release_quirk_list(void) 666 { 667 mutex_lock(&quirk_mutex); 668 kfree(quirk_list); 669 quirk_list = NULL; 670 mutex_unlock(&quirk_mutex); 671 } 672