1.\" Copyright (c) 1998 Doug Rabson 2.\" 3.\" All rights reserved. 4.\" 5.\" This program is free software. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 17.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 20.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26.\" 27.\" $FreeBSD: src/share/man/man9/DEVICE_DETACH.9,v 1.3.2.5 2001/12/17 11:30:18 ru Exp $ 28.\" $DragonFly: src/share/man/man9/DEVICE_DETACH.9,v 1.3 2004/06/01 11:36:53 hmp Exp $ 29.\" 30.Dd June 16, 1998 31.Dt DEVICE_DETACH 9 32.Os 33.Sh NAME 34.Nm DEVICE_DETACH 35.Nd detach a device 36.Sh SYNOPSIS 37.In sys/param.h 38.In sys/bus.h 39.Ft int 40.Fn DEVICE_DETACH "device_t dev" 41.Sh DESCRIPTION 42Detach a device. This can be called if the user is replacing the 43driver software or if a device is about to be physically removed from 44the system (e.g. for pccard devices). 45.Pp 46The method should deallocate any system resources allocated during the 47.Xr DEVICE_ATTACH 9 48method and reset the hardware to a sane state (i.e. disable interrupts 49etc.) 50.Sh RETURN VALUES 51Zero is returned on success, otherwise an appropriate error is returned. 52.Sh SEE ALSO 53.Xr device 9 , 54.Xr DEVICE_ATTACH 9 55.Sh AUTHORS 56This man page was written by 57.An Doug Rabson . 58