diff options
| -rw-r--r-- | drivers/usb/core/hub.c | 3 | ||||
| -rw-r--r-- | include/linux/usb/quirks.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index d481c99a20d..c01b7246752 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4538,6 +4538,9 @@ check_highspeed (struct usb_hub *hub, struct usb_device *udev, int port1) struct usb_qualifier_descriptor *qual; int status; + if (udev->quirks & USB_QUIRK_DEVICE_QUALIFIER) + return; + qual = kmalloc (sizeof *qual, GFP_KERNEL); if (qual == NULL) return; diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 55a17b188da..ffe565c9474 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -41,4 +41,7 @@ */ #define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL 0x00000080 +/* device can't handle device_qualifier descriptor requests */ +#define USB_QUIRK_DEVICE_QUALIFIER 0x00000100 + #endif /* __LINUX_USB_QUIRKS_H */ |