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