drivers/usb/core/quirks.c

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