Contributors: 50
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Kai-Heng Feng |
785 |
30.91% |
8 |
9.41% |
| Oliver Neukum |
381 |
15.00% |
13 |
15.29% |
| Laurent Pinchart |
249 |
9.80% |
2 |
2.35% |
| Huang Rui |
151 |
5.94% |
1 |
1.18% |
| Alan Stern |
115 |
4.53% |
8 |
9.41% |
| Hans de Goede |
89 |
3.50% |
4 |
4.71% |
| Julius Werner |
51 |
2.01% |
2 |
2.35% |
| Lamarque Vieira Souza |
45 |
1.77% |
1 |
1.18% |
| Vincent Palatin |
44 |
1.73% |
1 |
1.18% |
| Samuel Thibault |
43 |
1.69% |
1 |
1.18% |
| Harry Pan |
34 |
1.34% |
2 |
2.35% |
| Yao-Wen Mao |
30 |
1.18% |
1 |
1.18% |
| Daniel Drake |
29 |
1.14% |
1 |
1.18% |
| Adel Gadllah |
28 |
1.10% |
2 |
2.35% |
| Jack Stocker |
17 |
0.67% |
2 |
2.35% |
| Nico Sneck |
17 |
0.67% |
1 |
1.18% |
| Maximilian Luz |
15 |
0.59% |
1 |
1.18% |
| Lukáš Lalinský |
15 |
0.59% |
1 |
1.18% |
| Marco Zatta |
15 |
0.59% |
1 |
1.18% |
| Felipe Balbi |
15 |
0.59% |
1 |
1.18% |
| Devin Heitmueller |
15 |
0.59% |
1 |
1.18% |
| Michael Niewoehner |
15 |
0.59% |
1 |
1.18% |
| Kamil Lulko |
15 |
0.59% |
1 |
1.18% |
| René Rebe |
15 |
0.59% |
1 |
1.18% |
| Emmanuel Pescosta |
15 |
0.59% |
1 |
1.18% |
| Maxence Duprès |
15 |
0.59% |
1 |
1.18% |
| James P Michels III |
15 |
0.59% |
1 |
1.18% |
| Andreas Fleig |
15 |
0.59% |
1 |
1.18% |
| Johan Hovold |
15 |
0.59% |
1 |
1.18% |
| Steffen Müller |
15 |
0.59% |
1 |
1.18% |
| Tim Anderson |
15 |
0.59% |
1 |
1.18% |
| Dmitry Fleytman Dmitry Fleytman |
15 |
0.59% |
1 |
1.18% |
| Bernhard Rosenkraenzer |
15 |
0.59% |
1 |
1.18% |
| Phil Dibowitz |
15 |
0.59% |
1 |
1.18% |
| Paul Mortier |
15 |
0.59% |
1 |
1.18% |
| Maciej Szmigiero |
15 |
0.59% |
1 |
1.18% |
| Logan Gunthorpe |
14 |
0.55% |
1 |
1.18% |
| Joseph Salisbury |
14 |
0.55% |
1 |
1.18% |
| Adrien Vergé |
14 |
0.55% |
1 |
1.18% |
| Dmitry Fleytman |
14 |
0.55% |
1 |
1.18% |
| Sandeep Singh |
14 |
0.55% |
1 |
1.18% |
| Jon Levell |
13 |
0.51% |
1 |
1.18% |
| Josh Boyer |
13 |
0.51% |
1 |
1.18% |
| Macpaul Lin |
11 |
0.43% |
1 |
1.18% |
| Lu Baolu |
11 |
0.43% |
1 |
1.18% |
| sordna |
8 |
0.31% |
1 |
1.18% |
| Greg Kroah-Hartman |
2 |
0.08% |
2 |
2.35% |
| Danilo Krummrich |
2 |
0.08% |
1 |
1.18% |
| Lan Tianyu |
1 |
0.04% |
1 |
1.18% |
| Fengguang Wu |
1 |
0.04% |
1 |
1.18% |
| Total |
2540 |
|
85 |
|
// 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 *val, const struct kernel_param *kp)
{
char *p, *field;
u16 vid, pid;
u32 flags;
size_t i;
int err;
err = param_set_copystring(val, kp);
if (err)
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);
return -ENOMEM;
}
for (i = 0, p = (char *)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);
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, 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 },
/* 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 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 },
/* 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 },
/* 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 },
/* Keytouch QWERTY Panel keyboard */
{ USB_DEVICE(0x0926, 0x3333), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
/* 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 },
/* Action Semiconductor flash disk */
{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
/* 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 },
/* 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 },
/* 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 },
/* 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 */
};
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);
}