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/* SPDX-License-Identifier: GPL-2.0 */
/*
* This file holds the definitions of quirks found in USB devices.
* Only quirks that affect the whole device, not an interface,
* belong here.
*/
#ifndef __LINUX_USB_QUIRKS_H
#define __LINUX_USB_QUIRKS_H
/* string descriptors must not be fetched using a 255-byte read */
#define USB_QUIRK_STRING_FETCH_255 BIT(0)
/* device can't resume correctly so reset it instead */
#define USB_QUIRK_RESET_RESUME BIT(1)
/* device can't handle Set-Interface requests */
#define USB_QUIRK_NO_SET_INTF BIT(2)
/* device can't handle its Configuration or Interface strings */
#define USB_QUIRK_CONFIG_INTF_STRINGS BIT(3)
/* device can't be reset(e.g morph devices), don't use reset */
#define USB_QUIRK_RESET BIT(4)
/* device has more interface descriptions than the bNumInterfaces count,
and can't handle talking to these interfaces */
#define USB_QUIRK_HONOR_BNUMINTERFACES BIT(5)
/* device needs a pause during initialization, after we read the device
descriptor */
#define USB_QUIRK_DELAY_INIT BIT(6)
/*
* For high speed and super speed interrupt endpoints, the USB 2.0 and
* USB 3.0 spec require the interval in microframes
* (1 microframe = 125 microseconds) to be calculated as
* interval = 2 ^ (bInterval-1).
*
* Devices with this quirk report their bInterval as the result of this
* calculation instead of the exponent variable used in the calculation.
*/
#define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL BIT(7)
/* device can't handle device_qualifier descriptor requests */
#define USB_QUIRK_DEVICE_QUALIFIER BIT(8)
/* device generates spurious wakeup, ignore remote wakeup capability */
#define USB_QUIRK_IGNORE_REMOTE_WAKEUP BIT(9)
/* device can't handle Link Power Management */
#define USB_QUIRK_NO_LPM BIT(10)
/*
* Device reports its bInterval as linear frames instead of the
* USB 2.0 calculation.
*/
#define USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL BIT(11)
/*
* Device needs to be disconnected before suspend to prevent spurious
* wakeup.
*/
#define USB_QUIRK_DISCONNECT_SUSPEND BIT(12)
/* Device needs a pause after every control message. */
#define USB_QUIRK_DELAY_CTRL_MSG BIT(13)
/* Hub needs extra delay after resetting its port. */
#define USB_QUIRK_HUB_SLOW_RESET BIT(14)
/* device has endpoints that should be ignored */
#define USB_QUIRK_ENDPOINT_IGNORE BIT(15)
#endif /* __LINUX_USB_QUIRKS_H */
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