linux_dsm_epyc7002/include/linux/usb/quirks.h
Oliver Neukum 5d3987796c USB: storage: Never reset devices that will morph to an old mode
Some devices must be switched to a new mode to fully use them.
A reset would make them revert to the old mode. Therefore a reset
must not be used for error handling with such devices.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02 14:53:23 -08:00

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C

/*
* 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 0x00000001
/* device can't resume correctly so reset it instead */
#define USB_QUIRK_RESET_RESUME 0x00000002
/* device can't handle Set-Interface requests */
#define USB_QUIRK_NO_SET_INTF 0x00000004
/* device can't handle its Configuration or Interface strings */
#define USB_QUIRK_CONFIG_INTF_STRINGS 0x00000008
/*device will morph if reset, don't use reset for handling errors */
#define USB_QUIRK_RESET_MORPHS 0x00000010
#endif /* __LINUX_USB_QUIRKS_H */