6f7d0018b0
any bus-specific state (such as ivars) when a child device is deleted. Requested by: kan MFC after: 1 month
56 lines
2.1 KiB
Groff
56 lines
2.1 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 2012 Advanced Computing Technologies LLC
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.\" Written by: John H. Baldwin <jhb@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd August 21, 2012
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.Dt BUS_CHILD_DELETED 9
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.Os
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.Sh NAME
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.Nm BUS_CHILD_DELETED
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.Nd "notify a bus device that a child is being deleted"
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/bus.h
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.Ft void
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.Fn BUS_CHILD_DELETED "device_t dev" "device_t child"
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.Sh DESCRIPTION
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The
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.Fn BUS_CHILD_DELETED
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method is invoked by the new-bus framework when a device is deleted.
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A bus driver can provide an implementation of this method to
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release bus-specific resources associated with a device such as
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instance variables.
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.Sh SEE ALSO
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.Xr BUS_ADD_CHILD 9 ,
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.Xr device 9
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.Sh HISTORY
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The
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.Fn BUS_CHILD_DELETED
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method first appeared in
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.Fx 10.0 .
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