drivers/usb/core/quirks.c

   1 /*
   2  * USB device quirk handling logic and table
   3  *
   4  * Copyright (c) 2007 Oliver Neukum
   5  * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation, version 2.
  10  *
  11  *
  12  */
  13
  14 #include <linux/usb.h>
  15 #include <linux/usb/quirks.h>
  16 #include <linux/usb/hcd.h>
  17 #include "usb.h"
  18
  19 /* Lists of quirky USB devices, split in device quirks and interface quirks.
  20  * Device quirks are applied at the very beginning of the enumeration process,
  21  * right after reading the device descriptor. They can thus only match on device
  22  * information.
  23  *
  24  * Interface quirks are applied after reading all the configuration descriptors.
  25  * They can match on both device and interface information.
  26  *
  27  * Note that the DELAY_INIT and HONOR_BNUMINTERFACES quirks do not make sense as
  28  * interface quirks, as they only influence the enumeration process which is run
  29  * before processing the interface quirks.
  30  *
  31  * Please keep the lists ordered by:
  32  *      1) Vendor ID
  33  *      2) Product ID
  34  *      3) Class ID
  35  */
  36 static const struct usb_device_id usb_quirk_list[] = {
  37         /* CBM - Flash disk */
  38         { USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },
  39
  40         /* WORLDE Controller KS49 or Prodipe MIDI 49C USB controller */
  41         { USB_DEVICE(0x0218, 0x0201), .driver_info =
  42                         USB_QUIRK_CONFIG_INTF_STRINGS },
  43
  44         /* WORLDE easy key (easykey.25) MIDI controller  */
  45         { USB_DEVICE(0x0218, 0x0401), .driver_info =
  46                         USB_QUIRK_CONFIG_INTF_STRINGS },
  47
  48         /* HP 5300/5370C scanner */
  49         { USB_DEVICE(0x03f0, 0x0701), .driver_info =
  50                         USB_QUIRK_STRING_FETCH_255 },
  51
  52         /* HP v222w 16GB Mini USB Drive */
  53         { USB_DEVICE(0x03f0, 0x3f40), .driver_info = USB_QUIRK_DELAY_INIT },
  54
  55         /* Creative SB Audigy 2 NX */
  56         { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
  57
  58         /* USB3503 */
  59         { USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME },
  60
  61         /* Microsoft Wireless Laser Mouse 6000 Receiver */
  62         { USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
  63
  64         /* Microsoft LifeCam-VX700 v2.0 */
  65         { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
  66
  67         /* Microsoft Surface Dock Ethernet (RTL8153 GigE) */
  68         { USB_DEVICE(0x045e, 0x07c6), .driver_info = USB_QUIRK_NO_LPM },
  69
  70         /* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */
  71         { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
  72
  73         /* Logitech HD Webcam C270 */
  74         { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
  75
  76         /* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */
  77         { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
  78         { USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT },
  79         { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT },
  80         { USB_DEVICE(0x046d, 0x085b), .driver_info = USB_QUIRK_DELAY_INIT },
  81         { USB_DEVICE(0x046d, 0x085c), .driver_info = USB_QUIRK_DELAY_INIT },
  82
  83         /* Logitech ConferenceCam CC3000e */
  84         { USB_DEVICE(0x046d, 0x0847), .driver_info = USB_QUIRK_DELAY_INIT },
  85         { USB_DEVICE(0x046d, 0x0848), .driver_info = USB_QUIRK_DELAY_INIT },
  86
  87         /* Logitech PTZ Pro Camera */
  88         { USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT },
  89
  90         /* Logitech Screen Share */
  91         { USB_DEVICE(0x046d, 0x086c), .driver_info = USB_QUIRK_NO_LPM },
  92
  93         /* Logitech Quickcam Fusion */
  94         { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },
  95
  96         /* Logitech Quickcam Orbit MP */
  97         { USB_DEVICE(0x046d, 0x08c2), .driver_info = USB_QUIRK_RESET_RESUME },
  98
  99         /* Logitech Quickcam Pro for Notebook */
 100         { USB_DEVICE(0x046d, 0x08c3), .driver_info = USB_QUIRK_RESET_RESUME },
 101
 102         /* Logitech Quickcam Pro 5000 */
 103         { USB_DEVICE(0x046d, 0x08c5), .driver_info = USB_QUIRK_RESET_RESUME },
 104
 105         /* Logitech Quickcam OEM Dell Notebook */
 106         { USB_DEVICE(0x046d, 0x08c6), .driver_info = USB_QUIRK_RESET_RESUME },
 107
 108         /* Logitech Quickcam OEM Cisco VT Camera II */
 109         { USB_DEVICE(0x046d, 0x08c7), .driver_info = USB_QUIRK_RESET_RESUME },
 110
 111         /* Logitech Harmony 700-series */
 112         { USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
 113
 114         /* Philips PSC805 audio device */
 115         { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
 116
 117         /* Plantronic Audio 655 DSP */
 118         { USB_DEVICE(0x047f, 0xc008), .driver_info = USB_QUIRK_RESET_RESUME },
 119
 120         /* Plantronic Audio 648 USB */
 121         { USB_DEVICE(0x047f, 0xc013), .driver_info = USB_QUIRK_RESET_RESUME },
 122
 123         /* Artisman Watchdog Dongle */
 124         { USB_DEVICE(0x04b4, 0x0526), .driver_info =
 125                         USB_QUIRK_CONFIG_INTF_STRINGS },
 126
 127         /* Microchip Joss Optical infrared touchboard device */
 128         { USB_DEVICE(0x04d8, 0x000c), .driver_info =
 129                         USB_QUIRK_CONFIG_INTF_STRINGS },
 130
 131         /* CarrolTouch 4000U */
 132         { USB_DEVICE(0x04e7, 0x0009), .driver_info = USB_QUIRK_RESET_RESUME },
 133
 134         /* CarrolTouch 4500U */
 135         { USB_DEVICE(0x04e7, 0x0030), .driver_info = USB_QUIRK_RESET_RESUME },
 136
 137         /* Samsung Android phone modem - ID conflict with SPH-I500 */
 138         { USB_DEVICE(0x04e8, 0x6601), .driver_info =
 139                         USB_QUIRK_CONFIG_INTF_STRINGS },
 140
 141         /* Elan Touchscreen */
 142         { USB_DEVICE(0x04f3, 0x0089), .driver_info =
 143                         USB_QUIRK_DEVICE_QUALIFIER },
 144
 145         { USB_DEVICE(0x04f3, 0x009b), .driver_info =
 146                         USB_QUIRK_DEVICE_QUALIFIER },
 147
 148         { USB_DEVICE(0x04f3, 0x010c), .driver_info =
 149                         USB_QUIRK_DEVICE_QUALIFIER },
 150
 151         { USB_DEVICE(0x04f3, 0x0125), .driver_info =
 152                         USB_QUIRK_DEVICE_QUALIFIER },
 153
 154         { USB_DEVICE(0x04f3, 0x016f), .driver_info =
 155                         USB_QUIRK_DEVICE_QUALIFIER },
 156
 157         { USB_DEVICE(0x04f3, 0x0381), .driver_info =
 158                         USB_QUIRK_NO_LPM },
 159
 160         { USB_DEVICE(0x04f3, 0x21b8), .driver_info =
 161                         USB_QUIRK_DEVICE_QUALIFIER },
 162
 163         /* Roland SC-8820 */
 164         { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
 165
 166         /* Edirol SD-20 */
 167         { USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },
 168
 169         /* Alcor Micro Corp. Hub */
 170         { USB_DEVICE(0x058f, 0x9254), .driver_info = USB_QUIRK_RESET_RESUME },
 171
 172         /* appletouch */
 173         { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
 174
 175         /* Genesys Logic hub, internally used by KY-688 USB 3.1 Type-C Hub */
 176         { USB_DEVICE(0x05e3, 0x0612), .driver_info = USB_QUIRK_NO_LPM },
 177
 178         /* ELSA MicroLink 56K */
 179         { USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_RESET_RESUME },
 180
 181         /* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */
 182         { USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM },
 183
 184         /* Avision AV600U */
 185         { USB_DEVICE(0x0638, 0x0a13), .driver_info =
 186           USB_QUIRK_STRING_FETCH_255 },
 187
 188         /* Saitek Cyborg Gold Joystick */
 189         { USB_DEVICE(0x06a3, 0x0006), .driver_info =
 190                         USB_QUIRK_CONFIG_INTF_STRINGS },
 191
 192         /* Agfa SNAPSCAN 1212U */
 193         { USB_DEVICE(0x06bd, 0x0001), .driver_info = USB_QUIRK_RESET_RESUME },
 194
 195         /* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */
 196         { USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
 197
 198         /* Guillemot Webcam Hercules Dualpix Exchange*/
 199         { USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME },
 200
 201         /* Guillemot Hercules DJ Console audio card (BZ 208357) */
 202         { USB_DEVICE(0x06f8, 0xb000), .driver_info =
 203                         USB_QUIRK_ENDPOINT_BLACKLIST },
 204
 205         /* Midiman M-Audio Keystation 88es */
 206         { USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME },
 207
 208         /* SanDisk Ultra Fit and Ultra Flair */
 209         { USB_DEVICE(0x0781, 0x5583), .driver_info = USB_QUIRK_NO_LPM },
 210         { USB_DEVICE(0x0781, 0x5591), .driver_info = USB_QUIRK_NO_LPM },
 211
 212         /* M-Systems Flash Disk Pioneers */
 213         { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
 214
 215         /* Baum Vario Ultra */
 216         { USB_DEVICE(0x0904, 0x6101), .driver_info =
 217                         USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
 218         { USB_DEVICE(0x0904, 0x6102), .driver_info =
 219                         USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
 220         { USB_DEVICE(0x0904, 0x6103), .driver_info =
 221                         USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
 222
 223         /* Keytouch QWERTY Panel keyboard */
 224         { USB_DEVICE(0x0926, 0x3333), .driver_info =
 225                         USB_QUIRK_CONFIG_INTF_STRINGS },
 226
 227         /* Kingston DataTraveler 3.0 */
 228         { USB_DEVICE(0x0951, 0x1666), .driver_info = USB_QUIRK_NO_LPM },
 229
 230         /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
 231         { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
 232
 233         /* ELMO L-12F document camera */
 234         { USB_DEVICE(0x09a1, 0x0028), .driver_info = USB_QUIRK_DELAY_CTRL_MSG },
 235
 236         /* Broadcom BCM92035DGROM BT dongle */
 237         { USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME },
 238
 239         /* MAYA44USB sound device */
 240         { USB_DEVICE(0x0a92, 0x0091), .driver_info = USB_QUIRK_RESET_RESUME },
 241
 242         /* ASUS Base Station(T100) */
 243         { USB_DEVICE(0x0b05, 0x17e0), .driver_info =
 244                         USB_QUIRK_IGNORE_REMOTE_WAKEUP },
 245
 246         /* Realtek hub in Dell WD19 (Type-C) */
 247         { USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM },
 248         { USB_DEVICE(0x0bda, 0x5487), .driver_info = USB_QUIRK_RESET_RESUME },
 249
 250         /* Generic RTL8153 based ethernet adapters */
 251         { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM },
 252
 253         /* SONiX USB DEVICE Touchpad */
 254         { USB_DEVICE(0x0c45, 0x7056), .driver_info =
 255                         USB_QUIRK_IGNORE_REMOTE_WAKEUP },
 256
 257         /* Action Semiconductor flash disk */
 258         { USB_DEVICE(0x10d6, 0x2200), .driver_info =
 259                         USB_QUIRK_STRING_FETCH_255 },
 260
 261         /* SKYMEDI USB_DRIVE */
 262         { USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
 263
 264         /* Razer - Razer Blade Keyboard */
 265         { USB_DEVICE(0x1532, 0x0116), .driver_info =
 266                         USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 267
 268         /* Lenovo ThinkPad USB-C Dock Gen2 Ethernet (RTL8153 GigE) */
 269         { USB_DEVICE(0x17ef, 0xa387), .driver_info = USB_QUIRK_NO_LPM },
 270
 271         /* BUILDWIN Photo Frame */
 272         { USB_DEVICE(0x1908, 0x1315), .driver_info =
 273                         USB_QUIRK_HONOR_BNUMINTERFACES },
 274
 275         /* Protocol and OTG Electrical Test Device */
 276         { USB_DEVICE(0x1a0a, 0x0200), .driver_info =
 277                         USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 278
 279         /* Corsair K70 RGB */
 280         { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT |
 281           USB_QUIRK_DELAY_CTRL_MSG },
 282
 283         /* Corsair Strafe */
 284         { USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT |
 285           USB_QUIRK_DELAY_CTRL_MSG },
 286
 287         /* Corsair Strafe RGB */
 288         { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
 289           USB_QUIRK_DELAY_CTRL_MSG },
 290
 291         /* Corsair K70 LUX RGB */
 292         { USB_DEVICE(0x1b1c, 0x1b33), .driver_info = USB_QUIRK_DELAY_INIT },
 293
 294         /* Corsair K70 LUX */
 295         { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
 296
 297         /* Corsair K70 RGB RAPDIFIRE */
 298         { USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT |
 299           USB_QUIRK_DELAY_CTRL_MSG },
 300
 301         /* MIDI keyboard WORLDE MINI */
 302         { USB_DEVICE(0x1c75, 0x0204), .driver_info =
 303                         USB_QUIRK_CONFIG_INTF_STRINGS },
 304
 305         /* Acer C120 LED Projector */
 306         { USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
 307
 308         /* Blackmagic Design Intensity Shuttle */
 309         { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
 310
 311         /* Blackmagic Design UltraStudio SDI */
 312         { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
 313
 314         /* Hauppauge HVR-950q */
 315         { USB_DEVICE(0x2040, 0x7200), .driver_info =
 316                         USB_QUIRK_CONFIG_INTF_STRINGS },
 317
 318         /* Raydium Touchscreen */
 319         { USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM },
 320
 321         { USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM },
 322
 323         { USB_DEVICE(0x2386, 0x350e), .driver_info = USB_QUIRK_NO_LPM },
 324
 325         /* DJI CineSSD */
 326         { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
 327
 328         /* INTEL VALUE SSD */
 329         { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
 330
 331         /* novation SoundControl XL */
 332         { USB_DEVICE(0x1235, 0x0061), .driver_info = USB_QUIRK_RESET_RESUME },
 333
 334         { }  /* terminating entry must be last */
 335 };
 336
 337 static const struct usb_device_id usb_interface_quirk_list[] = {
 338         /* Logitech UVC Cameras */
 339         { USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0),
 340           .driver_info = USB_QUIRK_RESET_RESUME },
 341
 342         { }  /* terminating entry must be last */
 343 };
 344
 345 static const struct usb_device_id usb_amd_resume_quirk_list[] = {
 346         /* Lenovo Mouse with Pixart controller */
 347         { USB_DEVICE(0x17ef, 0x602e), .driver_info = USB_QUIRK_RESET_RESUME },
 348
 349         /* Pixart Mouse */
 350         { USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME },
 351         { USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME },
 352         { USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME },
 353         { USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME },
 354
 355         /* Logitech Optical Mouse M90/M100 */
 356         { USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME },
 357
 358         { }  /* terminating entry must be last */
 359 };
 360
 361 /*
 362  * Entries for blacklisted endpoints that should be ignored when parsing
 363  * configuration descriptors.
 364  *
 365  * Matched for devices with USB_QUIRK_ENDPOINT_BLACKLIST.
 366  */
 367 static const struct usb_device_id usb_endpoint_blacklist[] = {
 368         { USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x01 },
 369         { USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x81 },
 370         { }
 371 };
 372
 373 bool usb_endpoint_is_blacklisted(struct usb_device *udev,
 374                 struct usb_host_interface *intf,
 375                 struct usb_endpoint_descriptor *epd)
 376 {
 377         const struct usb_device_id *id;
 378         unsigned int address;
 379
 380         for (id = usb_endpoint_blacklist; id->match_flags; ++id) {
 381                 if (!usb_match_device(udev, id))
 382                         continue;
 383
 384                 if (!usb_match_one_id_intf(udev, intf, id))
 385                         continue;
 386
 387                 address = id->driver_info;
 388                 if (address == epd->bEndpointAddress)
 389                         return true;
 390         }
 391
 392         return false;
 393 }
 394
 395 static bool usb_match_any_interface(struct usb_device *udev,
 396                                     const struct usb_device_id *id)
 397 {
 398         unsigned int i;
 399
 400         for (i = 0; i < udev->descriptor.bNumConfigurations; ++i) {
 401                 struct usb_host_config *cfg = &udev->config[i];
 402                 unsigned int j;
 403
 404                 for (j = 0; j < cfg->desc.bNumInterfaces; ++j) {
 405                         struct usb_interface_cache *cache;
 406                         struct usb_host_interface *intf;
 407
 408                         cache = cfg->intf_cache[j];
 409                         if (cache->num_altsetting == 0)
 410                                 continue;
 411
 412                         intf = &cache->altsetting[0];
 413                         if (usb_match_one_id_intf(udev, intf, id))
 414                                 return true;
 415                 }
 416         }
 417
 418         return false;
 419 }
 420
 421 static int usb_amd_resume_quirk(struct usb_device *udev)
 422 {
 423         struct usb_hcd *hcd;
 424
 425         hcd = bus_to_hcd(udev->bus);
 426         /* The device should be attached directly to root hub */
 427         if (udev->level == 1 && hcd->amd_resume_bug == 1)
 428                 return 1;
 429
 430         return 0;
 431 }
 432
 433 static u32 __usb_detect_quirks(struct usb_device *udev,
 434                                const struct usb_device_id *id)
 435 {
 436         u32 quirks = 0;
 437
 438         for (; id->match_flags; id++) {
 439                 if (!usb_match_device(udev, id))
 440                         continue;
 441
 442                 if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_INFO) &&
 443                     !usb_match_any_interface(udev, id))
 444                         continue;
 445
 446                 quirks |= (u32)(id->driver_info);
 447         }
 448
 449         return quirks;
 450 }
 451
 452 /*
 453  * Detect any quirks the device has, and do any housekeeping for it if needed.
 454  */
 455 void usb_detect_quirks(struct usb_device *udev)
 456 {
 457         udev->quirks = __usb_detect_quirks(udev, usb_quirk_list);
 458
 459         /*
 460          * Pixart-based mice would trigger remote wakeup issue on AMD
 461          * Yangtze chipset, so set them as RESET_RESUME flag.
 462          */
 463         if (usb_amd_resume_quirk(udev))
 464                 udev->quirks |= __usb_detect_quirks(udev,
 465                                 usb_amd_resume_quirk_list);
 466
 467         if (udev->quirks)
 468                 dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
 469                         udev->quirks);
 470
 471 #ifdef CONFIG_USB_DEFAULT_PERSIST
 472         if (!(udev->quirks & USB_QUIRK_RESET))
 473                 udev->persist_enabled = 1;
 474 #else
 475         /* Hubs are automatically enabled for USB-PERSIST */
 476         if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
 477                 udev->persist_enabled = 1;
 478 #endif  /* CONFIG_USB_DEFAULT_PERSIST */
 479 }
 480
 481 void usb_detect_interface_quirks(struct usb_device *udev)
 482 {
 483         u32 quirks;
 484
 485         quirks = __usb_detect_quirks(udev, usb_interface_quirk_list);
 486         if (quirks == 0)
 487                 return;
 488
 489         dev_dbg(&udev->dev, "USB interface quirks for this device: %x\n",
 490                 quirks);
 491         udev->quirks |= quirks;
 492 }