USB_DEVICE_FIXED 2447 drivers/usb/core/hub.c udev->removable = USB_DEVICE_FIXED; USB_DEVICE_FIXED 2474 drivers/usb/core/hub.c udev->removable = USB_DEVICE_FIXED; USB_DEVICE_FIXED 313 drivers/usb/core/sysfs.c case USB_DEVICE_FIXED: