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.Dd June 16, 1998 30.Dt DEVICE_DETACH 9 31.Os 32.Sh NAME 33.Nm DEVICE_DETACH 34.Nd detach a device 35.Sh SYNOPSIS 36.In sys/param.h 37.In sys/bus.h 38.Ft int 39.Fn DEVICE_DETACH "device_t dev" 40.Sh DESCRIPTION 41Detach a device. 42This 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 45.Xr pccard 4 46devices). 47.Pp 48The method should deallocate any system resources allocated during the 49.Xr DEVICE_ATTACH 9 50method and reset the hardware to a sane state (i.e., disable interrupts 51etc.) 52.Sh RETURN VALUES 53Zero is returned on success, otherwise an appropriate error is returned. 54.Sh SEE ALSO 55.Xr pccard 4 , 56.Xr device 9 , 57.Xr DEVICE_ATTACH 9 , 58.Xr DEVICE_IDENTIFY 9 , 59.Xr DEVICE_PROBE 9 , 60.Xr DEVICE_SHUTDOWN 9 61.Sh AUTHORS 62This manual page was written by 63.An Doug Rabson . 64