1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1998 Doug Rabson 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 19.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" 29.\" $Id: DEVICE_DETACH.9,v 1.1 1998/09/03 21:52:04 dfr Exp $ 30.\" 31.Dd June 16, 1998 32.Os 33.Dt DEVICE_DETACH 9 34.Os FreeBSD 35.Sh NAME 36.Nm DEVICE_DETACH 37.Nd detach a device 38.Sh SYNOPSIS 39.Fd #include <sys/param.h> 40.Fd #include <sys/bus.h> 41.Ft int 42.Fn DEVICE_DETACH "device_t dev" 43.Sh DESCRIPTION 44.Pp 45Detach a device. This can be called if the user is replacing the 46driver software or if a device is about to be physically removed from 47the system (e.g. for pccard devices). 48.Pp 49The method should deallocate any system resources allocated during the 50.Xr DEVICE_ATTACH 9 51method and reset the hardware to a sane state (i.e. disable interrupts 52etc.) 53.Sh RETURN VALUES 54Zero is returned on success, otherwise an appropriate error is returned. 55.Sh SEE ALSO 56.Xr device 9 , 57.Xr DEVICE_ATTACH 9 58.Sh AUTHORS 59This man page was written by 60.An Doug Rabson . 61