Hi,

acpidump(8) accepts -q to suppress warning messages, but it's not
documented. This adds it to the man page and usage().

ok?

Index: src/usr.sbin/acpidump/acpidump.8
===================================================================
RCS file: /cvs/src/usr.sbin/acpidump/acpidump.8,v
retrieving revision 1.19
diff -u -r1.19 acpidump.8
--- src/usr.sbin/acpidump/acpidump.8 22 Nov 2020 17:10:06 -0000 1.19
+++ src/usr.sbin/acpidump/acpidump.8 6 Jan 2026 14:06:06 -0000
@@ -37,6 +37,7 @@
 .Nd dump ACPI tables
 .Sh SYNOPSIS
 .Nm
+.Op Fl q
 .Fl o Ar prefix
 .Sh DESCRIPTION
 The
@@ -56,6 +57,10 @@
 Additionally a file called <prefix>/headers or <prefix>.headers will
 be created that contains additional human readable information
 pertaining to this specific dump.
+.Pp
+If
+.Fl q
+is specified, warning messages are suppressed.
 .Pp
 The ACPICA disassembler is available through the
 .Ox
Index: src/usr.sbin/acpidump/acpidump.c
===================================================================
RCS file: /cvs/src/usr.sbin/acpidump/acpidump.c,v
retrieving revision 1.25
diff -u -r1.25 acpidump.c
--- src/usr.sbin/acpidump/acpidump.c 11 Sep 2022 10:40:35 -0000 1.25
+++ src/usr.sbin/acpidump/acpidump.c 6 Jan 2026 14:06:06 -0000
@@ -666,7 +666,7 @@
 {
  extern char *__progname;

- fprintf(stderr, "usage: %s -o prefix\n", __progname);
+ fprintf(stderr, "usage: %s [-q] -o prefix\n", __progname);
  exit(1);
 }