Hi, this made me wonder: void usb_autopm_put_interface(struct usb_interface *intf) { struct usb_device *udev = interface_to_usbdev(intf); int status; udev->last_busy = jiffies; Why do we set last_busy here? Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html