LXR linux/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
  15struct quirk_entry {
  16        u16 vid;
  17        u16 pid;
  18        u32 flags;
  19};
  20
  21static DEFINE_MUTEX(quirk_mutex);
  22
  23static struct quirk_entry *quirk_list;
  24static unsigned int quirk_count;
  25
  26static char quirks_param[128];
  27
  28static 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
 152unlock:
 153        mutex_unlock(&quirk_mutex);
 154        kfree(val);
 155
 156        return 0;
 157}
 158
 159static const struct kernel_param_ops quirks_param_ops = {
 160        .set = quirks_param_set,
 161        .get = param_get_string,
 162};
 163
 164static struct kparam_string quirks_param_string = {
 165        .maxlen = sizeof(quirks_param),
 166        .string = quirks_param,
 167};
 168
 169device_param_cb(quirks, &quirks_param_ops, &quirks_param_string, 0644);
 170MODULE_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 */
 189static 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        /* SONiX USB DEVICE Touchpad */
 401        { USB_DEVICE(0x0c45, 0x7056), .driver_info =
 402                        USB_QUIRK_IGNORE_REMOTE_WAKEUP },
 403
 404        /* Action Semiconductor flash disk */
 405        { USB_DEVICE(0x10d6, 0x2200), .driver_info =
 406                        USB_QUIRK_STRING_FETCH_255 },
 407
 408        /* Huawei 4G LTE module */
 409        { USB_DEVICE(0x12d1, 0x15bb), .driver_info =
 410                        USB_QUIRK_DISCONNECT_SUSPEND },
 411        { USB_DEVICE(0x12d1, 0x15c3), .driver_info =
 412                        USB_QUIRK_DISCONNECT_SUSPEND },
 413
 414        /* SKYMEDI USB_DRIVE */
 415        { USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
 416
 417        /* Razer - Razer Blade Keyboard */
 418        { USB_DEVICE(0x1532, 0x0116), .driver_info =
 419                        USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 420
 421        /* BUILDWIN Photo Frame */
 422        { USB_DEVICE(0x1908, 0x1315), .driver_info =
 423                        USB_QUIRK_HONOR_BNUMINTERFACES },
 424
 425        /* Protocol and OTG Electrical Test Device */
 426        { USB_DEVICE(0x1a0a, 0x0200), .driver_info =
 427                        USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 428
 429        /* Terminus Technology Inc. Hub */
 430        { USB_DEVICE(0x1a40, 0x0101), .driver_info = USB_QUIRK_HUB_SLOW_RESET },
 431
 432        /* Corsair K70 RGB */
 433        { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT |
 434          USB_QUIRK_DELAY_CTRL_MSG },
 435
 436        /* Corsair Strafe */
 437        { USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT |
 438          USB_QUIRK_DELAY_CTRL_MSG },
 439
 440        /* Corsair Strafe RGB */
 441        { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
 442          USB_QUIRK_DELAY_CTRL_MSG },
 443
 444        /* Corsair K70 LUX RGB */
 445        { USB_DEVICE(0x1b1c, 0x1b33), .driver_info = USB_QUIRK_DELAY_INIT },
 446
 447        /* Corsair K70 LUX */
 448        { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
 449
 450        /* Corsair K70 RGB RAPDIFIRE */
 451        { USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT |
 452          USB_QUIRK_DELAY_CTRL_MSG },
 453
 454        /* MIDI keyboard WORLDE MINI */
 455        { USB_DEVICE(0x1c75, 0x0204), .driver_info =
 456                        USB_QUIRK_CONFIG_INTF_STRINGS },
 457
 458        /* Acer C120 LED Projector */
 459        { USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
 460
 461        /* Blackmagic Design Intensity Shuttle */
 462        { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
 463
 464        /* Blackmagic Design UltraStudio SDI */
 465        { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
 466
 467        /* Hauppauge HVR-950q */
 468        { USB_DEVICE(0x2040, 0x7200), .driver_info =
 469                        USB_QUIRK_CONFIG_INTF_STRINGS },
 470
 471        /* Raydium Touchscreen */
 472        { USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM },
 473
 474        { USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM },
 475
 476        { USB_DEVICE(0x2386, 0x350e), .driver_info = USB_QUIRK_NO_LPM },
 477
 478        /* DJI CineSSD */
 479        { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
 480
 481        /* INTEL VALUE SSD */
 482        { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
 483
 484        /* novation SoundControl XL */
 485        { USB_DEVICE(0x1235, 0x0061), .driver_info = USB_QUIRK_RESET_RESUME },
 486
 487        { }  /* terminating entry must be last */
 488};
 489
 490static const struct usb_device_id usb_interface_quirk_list[] = {
 491        /* Logitech UVC Cameras */
 492        { USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0),
 493          .driver_info = USB_QUIRK_RESET_RESUME },
 494
 495        { }  /* terminating entry must be last */
 496};
 497
 498static const struct usb_device_id usb_amd_resume_quirk_list[] = {
 499        /* Lenovo Mouse with Pixart controller */
 500        { USB_DEVICE(0x17ef, 0x602e), .driver_info = USB_QUIRK_RESET_RESUME },
 501
 502        /* Pixart Mouse */
 503        { USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME },
 504        { USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME },
 505        { USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME },
 506        { USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME },
 507
 508        /* Logitech Optical Mouse M90/M100 */
 509        { USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME },
 510
 511        { }  /* terminating entry must be last */
 512};
 513
 514/*
 515 * Entries for endpoints that should be ignored when parsing configuration
 516 * descriptors.
 517 *
 518 * Matched for devices with USB_QUIRK_ENDPOINT_IGNORE.
 519 */
 520static const struct usb_device_id usb_endpoint_ignore[] = {
 521        { USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0202, 1), .driver_info = 0x85 },
 522        { USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0208, 1), .driver_info = 0x85 },
 523        { }
 524};
 525
 526bool usb_endpoint_is_ignored(struct usb_device *udev,
 527                             struct usb_host_interface *intf,
 528                             struct usb_endpoint_descriptor *epd)
 529{
 530        const struct usb_device_id *id;
 531        unsigned int address;
 532
 533        for (id = usb_endpoint_ignore; id->match_flags; ++id) {
 534                if (!usb_match_device(udev, id))
 535                        continue;
 536
 537                if (!usb_match_one_id_intf(udev, intf, id))
 538                        continue;
 539
 540                address = id->driver_info;
 541                if (address == epd->bEndpointAddress)
 542                        return true;
 543        }
 544
 545        return false;
 546}
 547
 548static bool usb_match_any_interface(struct usb_device *udev,
 549                                    const struct usb_device_id *id)
 550{
 551        unsigned int i;
 552
 553        for (i = 0; i < udev->descriptor.bNumConfigurations; ++i) {
 554                struct usb_host_config *cfg = &udev->config[i];
 555                unsigned int j;
 556
 557                for (j = 0; j < cfg->desc.bNumInterfaces; ++j) {
 558                        struct usb_interface_cache *cache;
 559                        struct usb_host_interface *intf;
 560
 561                        cache = cfg->intf_cache[j];
 562                        if (cache->num_altsetting == 0)
 563                                continue;
 564
 565                        intf = &cache->altsetting[0];
 566                        if (usb_match_one_id_intf(udev, intf, id))
 567                                return true;
 568                }
 569        }
 570
 571        return false;
 572}
 573
 574static int usb_amd_resume_quirk(struct usb_device *udev)
 575{
 576        struct usb_hcd *hcd;
 577
 578        hcd = bus_to_hcd(udev->bus);
 579        /* The device should be attached directly to root hub */
 580        if (udev->level == 1 && hcd->amd_resume_bug == 1)
 581                return 1;
 582
 583        return 0;
 584}
 585
 586static u32 usb_detect_static_quirks(struct usb_device *udev,
 587                                    const struct usb_device_id *id)
 588{
 589        u32 quirks = 0;
 590
 591        for (; id->match_flags; id++) {
 592                if (!usb_match_device(udev, id))
 593                        continue;
 594
 595                if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_INFO) &&
 596                    !usb_match_any_interface(udev, id))
 597                        continue;
 598
 599                quirks |= (u32)(id->driver_info);
 600        }
 601
 602        return quirks;
 603}
 604
 605static u32 usb_detect_dynamic_quirks(struct usb_device *udev)
 606{
 607        u16 vid = le16_to_cpu(udev->descriptor.idVendor);
 608        u16 pid = le16_to_cpu(udev->descriptor.idProduct);
 609        int i, flags = 0;
 610
 611        mutex_lock(&quirk_mutex);
 612
 613        for (i = 0; i < quirk_count; i++) {
 614                if (vid == quirk_list[i].vid && pid == quirk_list[i].pid) {
 615                        flags = quirk_list[i].flags;
 616                        break;
 617                }
 618        }
 619
 620        mutex_unlock(&quirk_mutex);
 621
 622        return flags;
 623}
 624
 625/*
 626 * Detect any quirks the device has, and do any housekeeping for it if needed.
 627 */
 628void usb_detect_quirks(struct usb_device *udev)
 629{
 630        udev->quirks = usb_detect_static_quirks(udev, usb_quirk_list);
 631
 632        /*
 633         * Pixart-based mice would trigger remote wakeup issue on AMD
 634         * Yangtze chipset, so set them as RESET_RESUME flag.
 635         */
 636        if (usb_amd_resume_quirk(udev))
 637                udev->quirks |= usb_detect_static_quirks(udev,
 638                                usb_amd_resume_quirk_list);
 639
 640        udev->quirks ^= usb_detect_dynamic_quirks(udev);
 641
 642        if (udev->quirks)
 643                dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
 644                        udev->quirks);
 645
 646#ifdef CONFIG_USB_DEFAULT_PERSIST
 647        if (!(udev->quirks & USB_QUIRK_RESET))
 648                udev->persist_enabled = 1;
 649#else
 650        /* Hubs are automatically enabled for USB-PERSIST */
 651        if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
 652                udev->persist_enabled = 1;
 653#endif  /* CONFIG_USB_DEFAULT_PERSIST */
 654}
 655
 656void usb_detect_interface_quirks(struct usb_device *udev)
 657{
 658        u32 quirks;
 659
 660        quirks = usb_detect_static_quirks(udev, usb_interface_quirk_list);
 661        if (quirks == 0)
 662                return;
 663
 664        dev_dbg(&udev->dev, "USB interface quirks for this device: %x\n",
 665                quirks);
 666        udev->quirks |= quirks;
 667}
 668
 669void usb_release_quirk_list(void)
 670{
 671        mutex_lock(&quirk_mutex);
 672        kfree(quirk_list);
 673        quirk_list = NULL;
 674        mutex_unlock(&quirk_mutex);
 675}
 676