USB_DEVICE_REMOVABLE 2443 drivers/usb/core/hub.c udev->removable = USB_DEVICE_REMOVABLE; USB_DEVICE_REMOVABLE 2472 drivers/usb/core/hub.c udev->removable = USB_DEVICE_REMOVABLE; USB_DEVICE_REMOVABLE 310 drivers/usb/core/sysfs.c case USB_DEVICE_REMOVABLE: