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- // SPDX-License-Identifier: GPL-2.0
- /*
- * USB device quirk handling logic and table
- *
- * Copyright (c) 2007 Oliver Neukum
- * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
- */
- #include <linux/moduleparam.h>
- #include <linux/usb.h>
- #include <linux/usb/quirks.h>
- #include <linux/usb/hcd.h>
- #include "usb.h"
- struct quirk_entry {
- u16 vid;
- u16 pid;
- u32 flags;
- };
- static DEFINE_MUTEX(quirk_mutex);
- static struct quirk_entry *quirk_list;
- static unsigned int quirk_count;
- static char quirks_param[128];
- static int quirks_param_set(const char *value, const struct kernel_param *kp)
- {
- char *val, *p, *field;
- u16 vid, pid;
- u32 flags;
- size_t i;
- int err;
- val = kstrdup(value, GFP_KERNEL);
- if (!val)
- return -ENOMEM;
- err = param_set_copystring(val, kp);
- if (err) {
- kfree(val);
- return err;
- }
- mutex_lock(&quirk_mutex);
- if (!*val) {
- quirk_count = 0;
- kfree(quirk_list);
- quirk_list = NULL;
- goto unlock;
- }
- for (quirk_count = 1, i = 0; val[i]; i++)
- if (val[i] == ',')
- quirk_count++;
- if (quirk_list) {
- kfree(quirk_list);
- quirk_list = NULL;
- }
- quirk_list = kcalloc(quirk_count, sizeof(struct quirk_entry),
- GFP_KERNEL);
- if (!quirk_list) {
- quirk_count = 0;
- mutex_unlock(&quirk_mutex);
- kfree(val);
- return -ENOMEM;
- }
- for (i = 0, p = val; p && *p;) {
- /* Each entry consists of VID:PID:flags */
- field = strsep(&p, ":");
- if (!field)
- break;
- if (kstrtou16(field, 16, &vid))
- break;
- field = strsep(&p, ":");
- if (!field)
- break;
- if (kstrtou16(field, 16, &pid))
- break;
- field = strsep(&p, ",");
- if (!field || !*field)
- break;
- /* Collect the flags */
- for (flags = 0; *field; field++) {
- switch (*field) {
- case 'a':
- flags |= USB_QUIRK_STRING_FETCH_255;
- break;
- case 'b':
- flags |= USB_QUIRK_RESET_RESUME;
- break;
- case 'c':
- flags |= USB_QUIRK_NO_SET_INTF;
- break;
- case 'd':
- flags |= USB_QUIRK_CONFIG_INTF_STRINGS;
- break;
- case 'e':
- flags |= USB_QUIRK_RESET;
- break;
- case 'f':
- flags |= USB_QUIRK_HONOR_BNUMINTERFACES;
- break;
- case 'g':
- flags |= USB_QUIRK_DELAY_INIT;
- break;
- case 'h':
- flags |= USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL;
- break;
- case 'i':
- flags |= USB_QUIRK_DEVICE_QUALIFIER;
- break;
- case 'j':
- flags |= USB_QUIRK_IGNORE_REMOTE_WAKEUP;
- break;
- case 'k':
- flags |= USB_QUIRK_NO_LPM;
- break;
- case 'l':
- flags |= USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL;
- break;
- case 'm':
- flags |= USB_QUIRK_DISCONNECT_SUSPEND;
- break;
- case 'n':
- flags |= USB_QUIRK_DELAY_CTRL_MSG;
- break;
- case 'o':
- flags |= USB_QUIRK_HUB_SLOW_RESET;
- break;
- /* Ignore unrecognized flag characters */
- }
- }
- quirk_list[i++] = (struct quirk_entry)
- { .vid = vid, .pid = pid, .flags = flags };
- }
- if (i < quirk_count)
- quirk_count = i;
- unlock:
- mutex_unlock(&quirk_mutex);
- kfree(val);
- return 0;
- }
- static const struct kernel_param_ops quirks_param_ops = {
- .set = quirks_param_set,
- .get = param_get_string,
- };
- static struct kparam_string quirks_param_string = {
- .maxlen = sizeof(quirks_param),
- .string = quirks_param,
- };
- device_param_cb(quirks, &quirks_param_ops, &quirks_param_string, 0644);
- MODULE_PARM_DESC(quirks, "Add/modify USB quirks by specifying quirks=vendorID:productID:quirks");
- /* Lists of quirky USB devices, split in device quirks and interface quirks.
- * Device quirks are applied at the very beginning of the enumeration process,
- * right after reading the device descriptor. They can thus only match on device
- * information.
- *
- * Interface quirks are applied after reading all the configuration descriptors.
- * They can match on both device and interface information.
- *
- * Note that the DELAY_INIT and HONOR_BNUMINTERFACES quirks do not make sense as
- * interface quirks, as they only influence the enumeration process which is run
- * before processing the interface quirks.
- *
- * Please keep the lists ordered by:
- * 1) Vendor ID
- * 2) Product ID
- * 3) Class ID
- */
- static const struct usb_device_id usb_quirk_list[] = {
- /* CBM - Flash disk */
- { USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },
- /* WORLDE Controller KS49 or Prodipe MIDI 49C USB controller */
- { USB_DEVICE(0x0218, 0x0201), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* WORLDE easy key (easykey.25) MIDI controller */
- { USB_DEVICE(0x0218, 0x0401), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* HP 5300/5370C scanner */
- { USB_DEVICE(0x03f0, 0x0701), .driver_info =
- USB_QUIRK_STRING_FETCH_255 },
- /* HP v222w 16GB Mini USB Drive */
- { USB_DEVICE(0x03f0, 0x3f40), .driver_info = USB_QUIRK_DELAY_INIT },
- /* Creative SB Audigy 2 NX */
- { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
- /* USB3503 */
- { USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Microsoft Wireless Laser Mouse 6000 Receiver */
- { USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Microsoft LifeCam-VX700 v2.0 */
- { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Microsoft Surface Dock Ethernet (RTL8153 GigE) */
- { USB_DEVICE(0x045e, 0x07c6), .driver_info = USB_QUIRK_NO_LPM },
- /* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */
- { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech HD Webcam C270 */
- { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */
- { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
- { USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT },
- { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT },
- { USB_DEVICE(0x046d, 0x085b), .driver_info = USB_QUIRK_DELAY_INIT },
- { USB_DEVICE(0x046d, 0x085c), .driver_info = USB_QUIRK_DELAY_INIT },
- /* Logitech ConferenceCam CC3000e */
- { USB_DEVICE(0x046d, 0x0847), .driver_info = USB_QUIRK_DELAY_INIT },
- { USB_DEVICE(0x046d, 0x0848), .driver_info = USB_QUIRK_DELAY_INIT },
- /* Logitech PTZ Pro Camera */
- { USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT },
- /* Logitech Screen Share */
- { USB_DEVICE(0x046d, 0x086c), .driver_info = USB_QUIRK_NO_LPM },
- /* Logitech Quickcam Fusion */
- { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech Quickcam Orbit MP */
- { USB_DEVICE(0x046d, 0x08c2), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech Quickcam Pro for Notebook */
- { USB_DEVICE(0x046d, 0x08c3), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech Quickcam Pro 5000 */
- { USB_DEVICE(0x046d, 0x08c5), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech Quickcam OEM Dell Notebook */
- { USB_DEVICE(0x046d, 0x08c6), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech Quickcam OEM Cisco VT Camera II */
- { USB_DEVICE(0x046d, 0x08c7), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech Harmony 700-series */
- { USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
- /* Philips PSC805 audio device */
- { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Plantronic Audio 655 DSP */
- { USB_DEVICE(0x047f, 0xc008), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Plantronic Audio 648 USB */
- { USB_DEVICE(0x047f, 0xc013), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Artisman Watchdog Dongle */
- { USB_DEVICE(0x04b4, 0x0526), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* Microchip Joss Optical infrared touchboard device */
- { USB_DEVICE(0x04d8, 0x000c), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* CarrolTouch 4000U */
- { USB_DEVICE(0x04e7, 0x0009), .driver_info = USB_QUIRK_RESET_RESUME },
- /* CarrolTouch 4500U */
- { USB_DEVICE(0x04e7, 0x0030), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Samsung Android phone modem - ID conflict with SPH-I500 */
- { USB_DEVICE(0x04e8, 0x6601), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* Elan Touchscreen */
- { USB_DEVICE(0x04f3, 0x0089), .driver_info =
- USB_QUIRK_DEVICE_QUALIFIER },
- { USB_DEVICE(0x04f3, 0x009b), .driver_info =
- USB_QUIRK_DEVICE_QUALIFIER },
- { USB_DEVICE(0x04f3, 0x010c), .driver_info =
- USB_QUIRK_DEVICE_QUALIFIER },
- { USB_DEVICE(0x04f3, 0x0125), .driver_info =
- USB_QUIRK_DEVICE_QUALIFIER },
- { USB_DEVICE(0x04f3, 0x016f), .driver_info =
- USB_QUIRK_DEVICE_QUALIFIER },
- { USB_DEVICE(0x04f3, 0x0381), .driver_info =
- USB_QUIRK_NO_LPM },
- { USB_DEVICE(0x04f3, 0x21b8), .driver_info =
- USB_QUIRK_DEVICE_QUALIFIER },
- /* Roland SC-8820 */
- { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Edirol SD-20 */
- { USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Alcor Micro Corp. Hub */
- { USB_DEVICE(0x058f, 0x9254), .driver_info = USB_QUIRK_RESET_RESUME },
- /* appletouch */
- { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Genesys Logic hub, internally used by KY-688 USB 3.1 Type-C Hub */
- { USB_DEVICE(0x05e3, 0x0612), .driver_info = USB_QUIRK_NO_LPM },
- /* ELSA MicroLink 56K */
- { USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */
- { USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM },
- /* Avision AV600U */
- { USB_DEVICE(0x0638, 0x0a13), .driver_info =
- USB_QUIRK_STRING_FETCH_255 },
- /* Saitek Cyborg Gold Joystick */
- { USB_DEVICE(0x06a3, 0x0006), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* Agfa SNAPSCAN 1212U */
- { USB_DEVICE(0x06bd, 0x0001), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */
- { USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Guillemot Webcam Hercules Dualpix Exchange*/
- { USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Guillemot Hercules DJ Console audio card (BZ 208357) */
- { USB_DEVICE(0x06f8, 0xb000), .driver_info =
- USB_QUIRK_ENDPOINT_IGNORE },
- /* Midiman M-Audio Keystation 88es */
- { USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME },
- /* SanDisk Ultra Fit and Ultra Flair */
- { USB_DEVICE(0x0781, 0x5583), .driver_info = USB_QUIRK_NO_LPM },
- { USB_DEVICE(0x0781, 0x5591), .driver_info = USB_QUIRK_NO_LPM },
- /* M-Systems Flash Disk Pioneers */
- { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Baum Vario Ultra */
- { USB_DEVICE(0x0904, 0x6101), .driver_info =
- USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
- { USB_DEVICE(0x0904, 0x6102), .driver_info =
- USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
- { USB_DEVICE(0x0904, 0x6103), .driver_info =
- USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
- /* Sound Devices USBPre2 */
- { USB_DEVICE(0x0926, 0x0202), .driver_info =
- USB_QUIRK_ENDPOINT_IGNORE },
- /* Sound Devices MixPre-D */
- { USB_DEVICE(0x0926, 0x0208), .driver_info =
- USB_QUIRK_ENDPOINT_IGNORE },
- /* Keytouch QWERTY Panel keyboard */
- { USB_DEVICE(0x0926, 0x3333), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* Kingston DataTraveler 3.0 */
- { USB_DEVICE(0x0951, 0x1666), .driver_info = USB_QUIRK_NO_LPM },
- /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
- { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
- /* ELMO L-12F document camera */
- { USB_DEVICE(0x09a1, 0x0028), .driver_info = USB_QUIRK_DELAY_CTRL_MSG },
- /* Broadcom BCM92035DGROM BT dongle */
- { USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME },
- /* MAYA44USB sound device */
- { USB_DEVICE(0x0a92, 0x0091), .driver_info = USB_QUIRK_RESET_RESUME },
- /* ASUS Base Station(T100) */
- { USB_DEVICE(0x0b05, 0x17e0), .driver_info =
- USB_QUIRK_IGNORE_REMOTE_WAKEUP },
- /* Realtek hub in Dell WD19 (Type-C) */
- { USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM },
- { USB_DEVICE(0x0bda, 0x5487), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Generic RTL8153 based ethernet adapters */
- { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM },
- /* SONiX USB DEVICE Touchpad */
- { USB_DEVICE(0x0c45, 0x7056), .driver_info =
- USB_QUIRK_IGNORE_REMOTE_WAKEUP },
- /* Action Semiconductor flash disk */
- { USB_DEVICE(0x10d6, 0x2200), .driver_info =
- USB_QUIRK_STRING_FETCH_255 },
- /* novation SoundControl XL */
- { USB_DEVICE(0x1235, 0x0061), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Huawei 4G LTE module */
- { USB_DEVICE(0x12d1, 0x15bb), .driver_info =
- USB_QUIRK_DISCONNECT_SUSPEND },
- { USB_DEVICE(0x12d1, 0x15c3), .driver_info =
- USB_QUIRK_DISCONNECT_SUSPEND },
- /* SKYMEDI USB_DRIVE */
- { USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Razer - Razer Blade Keyboard */
- { USB_DEVICE(0x1532, 0x0116), .driver_info =
- USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
- /* Lenovo USB-C to Ethernet Adapter RTL8153-04 */
- { USB_DEVICE(0x17ef, 0x720c), .driver_info = USB_QUIRK_NO_LPM },
- /* Lenovo Powered USB-C Travel Hub (4X90S92381, RTL8153 GigE) */
- { USB_DEVICE(0x17ef, 0x721e), .driver_info = USB_QUIRK_NO_LPM },
- /* Lenovo ThinkCenter A630Z TI024Gen3 usb-audio */
- { USB_DEVICE(0x17ef, 0xa012), .driver_info =
- USB_QUIRK_DISCONNECT_SUSPEND },
- /* Lenovo ThinkPad USB-C Dock Gen2 Ethernet (RTL8153 GigE) */
- { USB_DEVICE(0x17ef, 0xa387), .driver_info = USB_QUIRK_NO_LPM },
- /* BUILDWIN Photo Frame */
- { USB_DEVICE(0x1908, 0x1315), .driver_info =
- USB_QUIRK_HONOR_BNUMINTERFACES },
- /* Protocol and OTG Electrical Test Device */
- { USB_DEVICE(0x1a0a, 0x0200), .driver_info =
- USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
- /* Terminus Technology Inc. Hub */
- { USB_DEVICE(0x1a40, 0x0101), .driver_info = USB_QUIRK_HUB_SLOW_RESET },
- /* Corsair K70 RGB */
- { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT |
- USB_QUIRK_DELAY_CTRL_MSG },
- /* Corsair Strafe */
- { USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT |
- USB_QUIRK_DELAY_CTRL_MSG },
- /* Corsair Strafe RGB */
- { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
- USB_QUIRK_DELAY_CTRL_MSG },
- /* Corsair K70 LUX RGB */
- { USB_DEVICE(0x1b1c, 0x1b33), .driver_info = USB_QUIRK_DELAY_INIT },
- /* Corsair K70 LUX */
- { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
- /* Corsair K70 RGB RAPDIFIRE */
- { USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT |
- USB_QUIRK_DELAY_CTRL_MSG },
- /* MIDI keyboard WORLDE MINI */
- { USB_DEVICE(0x1c75, 0x0204), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* Acer C120 LED Projector */
- { USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
- /* Blackmagic Design Intensity Shuttle */
- { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
- /* Blackmagic Design UltraStudio SDI */
- { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
- /* Hauppauge HVR-950q */
- { USB_DEVICE(0x2040, 0x7200), .driver_info =
- USB_QUIRK_CONFIG_INTF_STRINGS },
- /* Raydium Touchscreen */
- { USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM },
- { USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM },
- { USB_DEVICE(0x2386, 0x350e), .driver_info = USB_QUIRK_NO_LPM },
- /* DJI CineSSD */
- { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
- /* INTEL VALUE SSD */
- { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
- { } /* terminating entry must be last */
- };
- static const struct usb_device_id usb_interface_quirk_list[] = {
- /* Logitech UVC Cameras */
- { USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0),
- .driver_info = USB_QUIRK_RESET_RESUME },
- { } /* terminating entry must be last */
- };
- static const struct usb_device_id usb_amd_resume_quirk_list[] = {
- /* Lenovo Mouse with Pixart controller */
- { USB_DEVICE(0x17ef, 0x602e), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Pixart Mouse */
- { USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME },
- { USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME },
- { USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME },
- { USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Logitech Optical Mouse M90/M100 */
- { USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME },
- { } /* terminating entry must be last */
- };
- /*
- * Entries for endpoints that should be ignored when parsing configuration
- * descriptors.
- *
- * Matched for devices with USB_QUIRK_ENDPOINT_IGNORE.
- */
- static const struct usb_device_id usb_endpoint_ignore[] = {
- { USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x01 },
- { USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x81 },
- { USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0202, 1), .driver_info = 0x85 },
- { USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0208, 1), .driver_info = 0x85 },
- { }
- };
- bool usb_endpoint_is_ignored(struct usb_device *udev,
- struct usb_host_interface *intf,
- struct usb_endpoint_descriptor *epd)
- {
- const struct usb_device_id *id;
- unsigned int address;
- for (id = usb_endpoint_ignore; id->match_flags; ++id) {
- if (!usb_match_device(udev, id))
- continue;
- if (!usb_match_one_id_intf(udev, intf, id))
- continue;
- address = id->driver_info;
- if (address == epd->bEndpointAddress)
- return true;
- }
- return false;
- }
- static bool usb_match_any_interface(struct usb_device *udev,
- const struct usb_device_id *id)
- {
- unsigned int i;
- for (i = 0; i < udev->descriptor.bNumConfigurations; ++i) {
- struct usb_host_config *cfg = &udev->config[i];
- unsigned int j;
- for (j = 0; j < cfg->desc.bNumInterfaces; ++j) {
- struct usb_interface_cache *cache;
- struct usb_host_interface *intf;
- cache = cfg->intf_cache[j];
- if (cache->num_altsetting == 0)
- continue;
- intf = &cache->altsetting[0];
- if (usb_match_one_id_intf(udev, intf, id))
- return true;
- }
- }
- return false;
- }
- static int usb_amd_resume_quirk(struct usb_device *udev)
- {
- struct usb_hcd *hcd;
- hcd = bus_to_hcd(udev->bus);
- /* The device should be attached directly to root hub */
- if (udev->level == 1 && hcd->amd_resume_bug == 1)
- return 1;
- return 0;
- }
- static u32 usb_detect_static_quirks(struct usb_device *udev,
- const struct usb_device_id *id)
- {
- u32 quirks = 0;
- for (; id->match_flags; id++) {
- if (!usb_match_device(udev, id))
- continue;
- if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_INFO) &&
- !usb_match_any_interface(udev, id))
- continue;
- quirks |= (u32)(id->driver_info);
- }
- return quirks;
- }
- static u32 usb_detect_dynamic_quirks(struct usb_device *udev)
- {
- u16 vid = le16_to_cpu(udev->descriptor.idVendor);
- u16 pid = le16_to_cpu(udev->descriptor.idProduct);
- int i, flags = 0;
- mutex_lock(&quirk_mutex);
- for (i = 0; i < quirk_count; i++) {
- if (vid == quirk_list[i].vid && pid == quirk_list[i].pid) {
- flags = quirk_list[i].flags;
- break;
- }
- }
- mutex_unlock(&quirk_mutex);
- return flags;
- }
- /*
- * Detect any quirks the device has, and do any housekeeping for it if needed.
- */
- void usb_detect_quirks(struct usb_device *udev)
- {
- udev->quirks = usb_detect_static_quirks(udev, usb_quirk_list);
- /*
- * Pixart-based mice would trigger remote wakeup issue on AMD
- * Yangtze chipset, so set them as RESET_RESUME flag.
- */
- if (usb_amd_resume_quirk(udev))
- udev->quirks |= usb_detect_static_quirks(udev,
- usb_amd_resume_quirk_list);
- udev->quirks ^= usb_detect_dynamic_quirks(udev);
- if (udev->quirks)
- dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
- udev->quirks);
- #ifdef CONFIG_USB_DEFAULT_PERSIST
- if (!(udev->quirks & USB_QUIRK_RESET))
- udev->persist_enabled = 1;
- #else
- /* Hubs are automatically enabled for USB-PERSIST */
- if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
- udev->persist_enabled = 1;
- #endif /* CONFIG_USB_DEFAULT_PERSIST */
- }
- void usb_detect_interface_quirks(struct usb_device *udev)
- {
- u32 quirks;
- quirks = usb_detect_static_quirks(udev, usb_interface_quirk_list);
- if (quirks == 0)
- return;
- dev_dbg(&udev->dev, "USB interface quirks for this device: %x\n",
- quirks);
- udev->quirks |= quirks;
- }
- void usb_release_quirk_list(void)
- {
- mutex_lock(&quirk_mutex);
- kfree(quirk_list);
- quirk_list = NULL;
- mutex_unlock(&quirk_mutex);
- }
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