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.\" $FreeBSD$ 30.\" 31.Dd September 12, 2016 32.Dt DEVICE_QUIET 9 33.Os 34.Sh NAME 35.Nm device_quiet , 36.Nm device_verbose , 37.Nm device_is_quiet 38.Nd manipulate device quiet flag 39.Sh SYNOPSIS 40.In sys/param.h 41.In sys/bus.h 42.Ft void 43.Fn device_quiet "device_t dev" 44.Ft void 45.Fn device_verbose "device_t dev" 46.Ft int 47.Fn device_is_quiet "device_t dev" 48.Sh DESCRIPTION 49Each device has a quiet flag associated with it. 50A device is 51verbose by default when it is created but may be quieted to prevent 52printing of the device identification string during attach 53and printing of a message during detach. 54To quiet a device, call 55.Fn device_quiet 56during a device driver probe routine. 57To re-enable probe messages, 58call 59.Fn device_verbose . 60To test to see if a device is quieted, call 61.Fn device_is_quiet . 62.Pp 63Devices are implicitly marked verbose after a driver detaches. 64.Sh SEE ALSO 65.Xr device 9 66.Sh AUTHORS 67This manual page was written by 68.An Doug Rabson . 69