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.\" -*- nroff -*- .\" .\" Copyright (c) 1998 Doug Rabson .\" .\" All rights reserved. .\" .\" This program is free software. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" .\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. .\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .\" $FreeBSD: release/9.1.0/share/man/man9/DEVICE_DETACH.9 147647 2005-06-28 20:15:19Z hmp $ .\" .Dd June 16, 1998 .Dt DEVICE_DETACH 9 .Os .Sh NAME .Nm DEVICE_DETACH .Nd detach a device .Sh SYNOPSIS .In sys/param.h .In sys/bus.h .Ft int .Fn DEVICE_DETACH "device_t dev" .Sh DESCRIPTION Detach a device. This can be called if the user is replacing the driver software or if a device is about to be physically removed from the system (e.g.\& for .Xr pccard 4 devices). .Pp The method should deallocate any system resources allocated during the .Xr DEVICE_ATTACH 9 method and reset the hardware to a sane state (i.e., disable interrupts etc.) .Sh RETURN VALUES Zero is returned on success, otherwise an appropriate error is returned. .Sh SEE ALSO .Xr pccard 4 , .Xr device 9 , .Xr DEVICE_ATTACH 9 , .Xr DEVICE_IDENTIFY 9 , .Xr DEVICE_PROBE 9 , .Xr DEVICE_SHUTDOWN 9 .Sh AUTHORS This manual page was written by .An Doug Rabson .