[linux.git] / drivers / usb / core / quirks.c

// SPDX-License-Identifier: GPL-2.0
/*
 * USB device quirk handling logic and table
 *
 * Copyright (c) 2007 Oliver Neukum
 * Copyright (c) 2007 Greg Kroah-Hartman <[email protected]>
 */

#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 },

	/* 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 },

	/* 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 },

	/* 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);
}
Commit	Line	Data
5fd54ace	1	// SPDX-License-Identifier: GPL-2.0
7ceec1f1 ON	2	/*
	3	* USB device quirk handling logic and table
	4	*
	5	* Copyright (c) 2007 Oliver Neukum
	6	* Copyright (c) 2007 Greg Kroah-Hartman <[email protected]>
7ceec1f1 ON	7	*/
7ceec1f1 ON	8
027bd6ca	9	#include <linux/moduleparam.h>
7ceec1f1 ON	10	#include <linux/usb.h>
7ceec1f1 ON	11	#include <linux/usb/quirks.h>
7868943d	12	#include <linux/usb/hcd.h>
7ceec1f1 ON	13	#include "usb.h"
7ceec1f1 ON	14
027bd6ca KHF	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;
a0305014 KHF	34	int err;
	35
	36	err = param_set_copystring(val, kp);
	37	if (err)
	38	return err;
027bd6ca KHF	39
	40	mutex_lock(&quirk_mutex);
	41
a0305014	42	if (!*val) {
027bd6ca KHF	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) {
16c4cb19	61	quirk_count = 0;
027bd6ca KHF	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;
4d8d5a39 KHF	128	case 'n':
	129	flags \|= USB_QUIRK_DELAY_CTRL_MSG;
	130	break;
781f0766 KHF	131	case 'o':
	132	flags \|= USB_QUIRK_HUB_SLOW_RESET;
	133	break;
027bd6ca KHF	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
a0305014	148	return 0;
027bd6ca KHF	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
16c4cb19	161	device_param_cb(quirks, &quirks_param_ops, &quirks_param_string, 0644);
027bd6ca KHF	162	MODULE_PARM_DESC(quirks, "Add/modify USB quirks by specifying quirks=vendorID:productID:quirks");
027bd6ca KHF	163
80da2e0d LP	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:
7ceec1f1 ON	177	* 1) Vendor ID
	178	* 2) Product ID
	179	* 3) Class ID
7ceec1f1 ON	180	*/
7ceec1f1 ON	181	static const struct usb_device_id usb_quirk_list[] = {
ce05916f ON	182	/* CBM - Flash disk */
ce05916f ON	183	{ USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },
14f3546f	184
9b83a1c3 MD	185	/* WORLDE Controller KS49 or Prodipe MIDI 49C USB controller */
	186	{ USB_DEVICE(0x0218, 0x0201), .driver_info =
	187	USB_QUIRK_CONFIG_INTF_STRINGS },
	188
d9b2997e LL	189	/* WORLDE easy key (easykey.25) MIDI controller */
	190	{ USB_DEVICE(0x0218, 0x0401), .driver_info =
	191	USB_QUIRK_CONFIG_INTF_STRINGS },
	192
7ceec1f1	193	/* HP 5300/5370C scanner */
14f3546f AS	194	{ USB_DEVICE(0x03f0, 0x0701), .driver_info =
14f3546f AS	195	USB_QUIRK_STRING_FETCH_255 },
e6a20ff9	196
3180dabe KL	197	/* HP v222w 16GB Mini USB Drive */
	198	{ USB_DEVICE(0x03f0, 0x3f40), .driver_info = USB_QUIRK_DELAY_INIT },
	199
b68a42b1 ON	200	/* Creative SB Audigy 2 NX */
	201	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
	202
81099f97 HG	203	/* USB3503 */
	204	{ USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME },
	205
263e80b4 HG	206	/* Microsoft Wireless Laser Mouse 6000 Receiver */
	207	{ USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
	208
bc009eca AF	209	/* Microsoft LifeCam-VX700 v2.0 */
	210	{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
	211
7f038d25	212	/* Logitech HD Pro Webcams C920, C920-C, C925e and C930e */
e0429362	213	{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
a1279ef7	214	{ USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT },
e0429362	215	{ USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT },
7f038d25	216	{ USB_DEVICE(0x046d, 0x085b), .driver_info = USB_QUIRK_DELAY_INIT },
e0429362	217
72194739 VP	218	/* Logitech ConferenceCam CC3000e */
	219	{ USB_DEVICE(0x046d, 0x0847), .driver_info = USB_QUIRK_DELAY_INIT },
	220	{ USB_DEVICE(0x046d, 0x0848), .driver_info = USB_QUIRK_DELAY_INIT },
	221
	222	/* Logitech PTZ Pro Camera */
	223	{ USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT },
	224
e387ef5c LP	225	/* Logitech Quickcam Fusion */
e387ef5c LP	226	{ USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },
2394d67e	227
e387ef5c LP	228	/* Logitech Quickcam Orbit MP */
e387ef5c LP	229	{ USB_DEVICE(0x046d, 0x08c2), .driver_info = USB_QUIRK_RESET_RESUME },
2394d67e	230
e387ef5c LP	231	/* Logitech Quickcam Pro for Notebook */
e387ef5c LP	232	{ USB_DEVICE(0x046d, 0x08c3), .driver_info = USB_QUIRK_RESET_RESUME },
5b253d88	233
e387ef5c LP	234	/* Logitech Quickcam Pro 5000 */
e387ef5c LP	235	{ USB_DEVICE(0x046d, 0x08c5), .driver_info = USB_QUIRK_RESET_RESUME },
2394d67e	236
e387ef5c LP	237	/* Logitech Quickcam OEM Dell Notebook */
e387ef5c LP	238	{ USB_DEVICE(0x046d, 0x08c6), .driver_info = USB_QUIRK_RESET_RESUME },
60c71ca9	239
e387ef5c LP	240	/* Logitech Quickcam OEM Cisco VT Camera II */
e387ef5c LP	241	{ USB_DEVICE(0x046d, 0x08c7), .driver_info = USB_QUIRK_RESET_RESUME },
0d145d7d	242
93362a87 PD	243	/* Logitech Harmony 700-series */
	244	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
	245
14f3546f AS	246	/* Philips PSC805 audio device */
	247	{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
	248
8484bf29 YWM	249	/* Plantronic Audio 655 DSP */
	250	{ USB_DEVICE(0x047f, 0xc008), .driver_info = USB_QUIRK_RESET_RESUME },
	251
	252	/* Plantronic Audio 648 USB */
	253	{ USB_DEVICE(0x047f, 0xc013), .driver_info = USB_QUIRK_RESET_RESUME },
	254
47f19c0e PM	255	/* Artisman Watchdog Dongle */
	256	{ USB_DEVICE(0x04b4, 0x0526), .driver_info =
	257	USB_QUIRK_CONFIG_INTF_STRINGS },
	258
92fc7a8b AS	259	/* Microchip Joss Optical infrared touchboard device */
	260	{ USB_DEVICE(0x04d8, 0x000c), .driver_info =
	261	USB_QUIRK_CONFIG_INTF_STRINGS },
	262
304ab4ab ON	263	/* CarrolTouch 4000U */
	264	{ USB_DEVICE(0x04e7, 0x0009), .driver_info = USB_QUIRK_RESET_RESUME },
	265
	266	/* CarrolTouch 4500U */
	267	{ USB_DEVICE(0x04e7, 0x0030), .driver_info = USB_QUIRK_RESET_RESUME },
	268
72a012ce MS	269	/* Samsung Android phone modem - ID conflict with SPH-I500 */
	270	{ USB_DEVICE(0x04e8, 0x6601), .driver_info =
	271	USB_QUIRK_CONFIG_INTF_STRINGS },
	272
c68929f7 JH	273	/* Elan Touchscreen */
	274	{ USB_DEVICE(0x04f3, 0x0089), .driver_info =
	275	USB_QUIRK_DEVICE_QUALIFIER },
	276
876af5d4 AG	277	{ USB_DEVICE(0x04f3, 0x009b), .driver_info =
	278	USB_QUIRK_DEVICE_QUALIFIER },
	279
a32c99e7 ON	280	{ USB_DEVICE(0x04f3, 0x010c), .driver_info =
	281	USB_QUIRK_DEVICE_QUALIFIER },
	282
dc703ec2 LG	283	{ USB_DEVICE(0x04f3, 0x0125), .driver_info =
	284	USB_QUIRK_DEVICE_QUALIFIER },
	285
d7499475 AG	286	{ USB_DEVICE(0x04f3, 0x016f), .driver_info =
	287	USB_QUIRK_DEVICE_QUALIFIER },
	288
25b1f9ac JS	289	{ USB_DEVICE(0x04f3, 0x0381), .driver_info =
	290	USB_QUIRK_NO_LPM },
	291
df36c5be AV	292	{ USB_DEVICE(0x04f3, 0x21b8), .driver_info =
	293	USB_QUIRK_DEVICE_QUALIFIER },
	294
b68a42b1 ON	295	/* Roland SC-8820 */
	296	{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
	297
	298	/* Edirol SD-20 */
	299	{ USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },
	300
bac6b032 ON	301	/* Alcor Micro Corp. Hub */
	302	{ USB_DEVICE(0x058f, 0x9254), .driver_info = USB_QUIRK_RESET_RESUME },
	303
90d95ef6 ON	304	/* appletouch */
	305	{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
	306
e43a12f1 KHF	307	/* Genesys Logic hub, internally used by KY-688 USB 3.1 Type-C Hub */
	308	{ USB_DEVICE(0x05e3, 0x0612), .driver_info = USB_QUIRK_NO_LPM },
	309
b9096d9f ON	310	/* ELSA MicroLink 56K */
	311	{ USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_RESET_RESUME },
	312
7496cfe5 KHF	313	/* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */
	314	{ USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM },
	315
598eff6d RR	316	/* Avision AV600U */
	317	{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
	318	USB_QUIRK_STRING_FETCH_255 },
	319
1662e3a7 AS	320	/* Saitek Cyborg Gold Joystick */
	321	{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
	322	USB_QUIRK_CONFIG_INTF_STRINGS },
	323
35284b3d	324	/* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */
2394d67e ON	325	{ USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
2394d67e ON	326
35284b3d ON	327	/* Guillemot Webcam Hercules Dualpix Exchange*/
	328	{ USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME },
	329
166cb70e SM	330	/* Midiman M-Audio Keystation 88es */
	331	{ USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME },
	332
86833691 LVS	333	/* M-Systems Flash Disk Pioneers */
	334	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
	335
3243367b ST	336	/* Baum Vario Ultra */
	337	{ USB_DEVICE(0x0904, 0x6101), .driver_info =
	338	USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
	339	{ USB_DEVICE(0x0904, 0x6102), .driver_info =
	340	USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
	341	{ USB_DEVICE(0x0904, 0x6103), .driver_info =
	342	USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL },
	343
3c18e30f AS	344	/* Keytouch QWERTY Panel keyboard */
	345	{ USB_DEVICE(0x0926, 0x3333), .driver_info =
	346	USB_QUIRK_CONFIG_INTF_STRINGS },
	347
392e1d98 AS	348	/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
	349	{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
	350
63ab71de ON	351	/* Broadcom BCM92035DGROM BT dongle */
	352	{ USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME },
	353
4294bca7 ON	354	/* MAYA44USB sound device */
	355	{ USB_DEVICE(0x0a92, 0x0091), .driver_info = USB_QUIRK_RESET_RESUME },
	356
81099f97 HG	357	/* ASUS Base Station(T100) */
	358	{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
	359	USB_QUIRK_IGNORE_REMOTE_WAKEUP },
	360
14f3546f AS	361	/* Action Semiconductor flash disk */
	362	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
	363	USB_QUIRK_STRING_FETCH_255 },
8e80e753	364
8dd8d2c9 DD	365	/* Huawei 4G LTE module */
	366	{ USB_DEVICE(0x12d1, 0x15bb), .driver_info =
	367	USB_QUIRK_DISCONNECT_SUSPEND },
	368	{ USB_DEVICE(0x12d1, 0x15c3), .driver_info =
	369	USB_QUIRK_DISCONNECT_SUSPEND },
	370
86833691 LVS	371	/* SKYMEDI USB_DRIVE */
86833691 LVS	372	{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
7ceec1f1	373
cd83ce9e JMI	374	/* Razer - Razer Blade Keyboard */
	375	{ USB_DEVICE(0x1532, 0x0116), .driver_info =
	376	USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
	377
317149c6 HG	378	/* BUILDWIN Photo Frame */
	379	{ USB_DEVICE(0x1908, 0x1315), .driver_info =
	380	USB_QUIRK_HONOR_BNUMINTERFACES },
	381
e5dff0e8 ML	382	/* Protocol and OTG Electrical Test Device */
	383	{ USB_DEVICE(0x1a0a, 0x0200), .driver_info =
	384	USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
	385
781f0766 KHF	386	/* Terminus Technology Inc. Hub */
	387	{ USB_DEVICE(0x1a40, 0x0101), .driver_info = USB_QUIRK_HUB_SLOW_RESET },
	388
7a1646d9 JS	389	/* Corsair K70 RGB */
	390	{ USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT },
	391
bba57edd NS	392	/* Corsair Strafe */
	393	{ USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT \|
	394	USB_QUIRK_DELAY_CTRL_MSG },
	395
de3af5bf	396	/* Corsair Strafe RGB */
cb88a058 DK	397	{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT \|
cb88a058 DK	398	USB_QUIRK_DELAY_CTRL_MSG },
de3af5bf	399
a7711257 EP	400	/* Corsair K70 LUX RGB */
	401	{ USB_DEVICE(0x1b1c, 0x1b33), .driver_info = USB_QUIRK_DELAY_INIT },
	402
a0fea602 BR	403	/* Corsair K70 LUX */
	404	{ USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
	405
2811501e FB	406	/* MIDI keyboard WORLDE MINI */
	407	{ USB_DEVICE(0x1c75, 0x0204), .driver_info =
	408	USB_QUIRK_CONFIG_INTF_STRINGS },
	409
32cb0b37 HG	410	/* Acer C120 LED Projector */
	411	{ USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
	412
ad87e032 AS	413	/* Blackmagic Design Intensity Shuttle */
	414	{ USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
	415
	416	/* Blackmagic Design UltraStudio SDI */
	417	{ USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
	418
6836796d DH	419	/* Hauppauge HVR-950q */
	420	{ USB_DEVICE(0x2040, 0x7200), .driver_info =
	421	USB_QUIRK_CONFIG_INTF_STRINGS },
	422
deefd242 KHF	423	/* Raydium Touchscreen */
	424	{ USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM },
	425
	426	{ USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM },
	427
f45681f9 TA	428	/* DJI CineSSD */
	429	{ USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
	430
81099f97 HG	431	/* INTEL VALUE SSD */
	432	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
	433
7ceec1f1 ON	434	{ } /* terminating entry must be last */
	435	};
	436
80da2e0d	437	static const struct usb_device_id usb_interface_quirk_list[] = {
e387ef5c LP	438	/* Logitech UVC Cameras */
	439	{ USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0),
	440	.driver_info = USB_QUIRK_RESET_RESUME },
	441
80da2e0d LP	442	{ } /* terminating entry must be last */
	443	};
	444
7868943d HR	445	static const struct usb_device_id usb_amd_resume_quirk_list[] = {
	446	/* Lenovo Mouse with Pixart controller */
	447	{ USB_DEVICE(0x17ef, 0x602e), .driver_info = USB_QUIRK_RESET_RESUME },
	448
	449	/* Pixart Mouse */
	450	{ USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME },
	451	{ USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME },
	452	{ USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME },
e788787e	453	{ USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME },
7868943d HR	454
	455	/* Logitech Optical Mouse M90/M100 */
	456	{ USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME },
	457
	458	{ } /* terminating entry must be last */
	459	};
	460
80da2e0d LP	461	static bool usb_match_any_interface(struct usb_device *udev,
	462	const struct usb_device_id *id)
	463	{
	464	unsigned int i;
	465
	466	for (i = 0; i < udev->descriptor.bNumConfigurations; ++i) {
	467	struct usb_host_config *cfg = &udev->config[i];
	468	unsigned int j;
	469
	470	for (j = 0; j < cfg->desc.bNumInterfaces; ++j) {
	471	struct usb_interface_cache *cache;
	472	struct usb_host_interface *intf;
	473
	474	cache = cfg->intf_cache[j];
	475	if (cache->num_altsetting == 0)
	476	continue;
	477
	478	intf = &cache->altsetting[0];
	479	if (usb_match_one_id_intf(udev, intf, id))
	480	return true;
	481	}
	482	}
	483
	484	return false;
	485	}
	486
00d5f289	487	static int usb_amd_resume_quirk(struct usb_device *udev)
7868943d HR	488	{
	489	struct usb_hcd *hcd;
	490
	491	hcd = bus_to_hcd(udev->bus);
	492	/* The device should be attached directly to root hub */
	493	if (udev->level == 1 && hcd->amd_resume_bug == 1)
	494	return 1;
	495
	496	return 0;
	497	}
	498
027bd6ca KHF	499	static u32 usb_detect_static_quirks(struct usb_device *udev,
027bd6ca KHF	500	const struct usb_device_id *id)
7ceec1f1	501	{
80da2e0d	502	u32 quirks = 0;
7ceec1f1	503
80da2e0d LP	504	for (; id->match_flags; id++) {
	505	if (!usb_match_device(udev, id))
	506	continue;
	507
	508	if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_INFO) &&
	509	!usb_match_any_interface(udev, id))
	510	continue;
	511
	512	quirks \|= (u32)(id->driver_info);
7ceec1f1	513	}
80da2e0d LP	514
80da2e0d LP	515	return quirks;
7ceec1f1 ON	516	}
7ceec1f1 ON	517
027bd6ca KHF	518	static u32 usb_detect_dynamic_quirks(struct usb_device *udev)
	519	{
	520	u16 vid = le16_to_cpu(udev->descriptor.idVendor);
	521	u16 pid = le16_to_cpu(udev->descriptor.idProduct);
	522	int i, flags = 0;
	523
	524	mutex_lock(&quirk_mutex);
	525
	526	for (i = 0; i < quirk_count; i++) {
	527	if (vid == quirk_list[i].vid && pid == quirk_list[i].pid) {
	528	flags = quirk_list[i].flags;
	529	break;
	530	}
	531	}
	532
	533	mutex_unlock(&quirk_mutex);
	534
	535	return flags;
	536	}
	537
7ceec1f1 ON	538	/*
	539	* Detect any quirks the device has, and do any housekeeping for it if needed.
	540	*/
	541	void usb_detect_quirks(struct usb_device *udev)
	542	{
027bd6ca	543	udev->quirks = usb_detect_static_quirks(udev, usb_quirk_list);
7868943d HR	544
	545	/*
	546	* Pixart-based mice would trigger remote wakeup issue on AMD
	547	* Yangtze chipset, so set them as RESET_RESUME flag.
	548	*/
	549	if (usb_amd_resume_quirk(udev))
027bd6ca	550	udev->quirks \|= usb_detect_static_quirks(udev,
7868943d HR	551	usb_amd_resume_quirk_list);
7868943d HR	552
027bd6ca KHF	553	udev->quirks ^= usb_detect_dynamic_quirks(udev);
027bd6ca KHF	554
7ceec1f1 ON	555	if (udev->quirks)
7ceec1f1 ON	556	dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
80da2e0d	557	udev->quirks);
7ceec1f1	558
4f482038 JW	559	#ifdef CONFIG_USB_DEFAULT_PERSIST
4f482038 JW	560	if (!(udev->quirks & USB_QUIRK_RESET))
feccc30d AS	561	udev->persist_enabled = 1;
feccc30d AS	562	#else
4f482038 JW	563	/* Hubs are automatically enabled for USB-PERSIST */
4f482038 JW	564	if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
5d398779	565	udev->persist_enabled = 1;
4f482038	566	#endif /* CONFIG_USB_DEFAULT_PERSIST */
7ceec1f1	567	}
80da2e0d LP	568
	569	void usb_detect_interface_quirks(struct usb_device *udev)
	570	{
	571	u32 quirks;
	572
027bd6ca	573	quirks = usb_detect_static_quirks(udev, usb_interface_quirk_list);
80da2e0d LP	574	if (quirks == 0)
	575	return;
	576
	577	dev_dbg(&udev->dev, "USB interface quirks for this device: %x\n",
	578	quirks);
	579	udev->quirks \|= quirks;
	580	}
027bd6ca KHF	581
	582	void usb_release_quirk_list(void)
	583	{
	584	mutex_lock(&quirk_mutex);
	585	kfree(quirk_list);
	586	quirk_list = NULL;
	587	mutex_unlock(&quirk_mutex);
	588	}