Make fw_update -a mean all

When downloading or installing, not just deleting.

Noticed by Paul de Weerd
Help with manual wording from jmc@
Just fix -a, deraadt@

usr.sbin/fw_update/fw_update.8

@@ -1,4 +1,4 @@
-.\" $OpenBSD: fw_update.8,v 1.3 2022/03/09 22:39:12 jsg Exp $
+.\" $OpenBSD: fw_update.8,v 1.4 2024/10/12 23:56:23 afresh1 Exp $
 .\"
 .\" Copyright (c) 2011 Alexander Hall <alexander@beard.se>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: March 9 2022 $
+.Dd $Mdocdate: October 12 2024 $
 .Dt FW_UPDATE 8
 .Os
 .Sh NAME
@@ -31,11 +31,9 @@ The
 utility installs, updates, or deletes firmware packages for
 .Ar driver
 from the Internet.
-If no
-.Ar driver
-is specified, the
+By default,
 .Nm
-utility tries to determine which firmware is needed on the system.
+tries to determine which firmware packages are needed.
 .Pp
 Since firmware with an acceptable license is already present in
 .Ox ,
@@ -51,9 +49,6 @@ Install or update firmware for all drivers.
 It is an error to specify this option with any
 .Ar driver
 arguments.
-This is enabled by default unless drivers, files or
-.Fl d
-are specified.
 .It Fl d
 Delete firmware for
 .Ar driver .

usr.sbin/fw_update/fw_update.sh

@@ -1,5 +1,5 @@
 #!/bin/ksh
-#	$OpenBSD: fw_update.sh,v 1.56 2024/03/21 01:02:29 afresh1 Exp $
+#	$OpenBSD: fw_update.sh,v 1.57 2024/10/12 23:56:23 afresh1 Exp $
 #
 # Copyright (c) 2021,2023 Andrew Hewus Fresh <afresh1@openbsd.org>
 #
@@ -331,6 +331,11 @@ EOL
 	return 0
 }
 
+available_firmware() {
+	check_cfile || return $?
+	sed -n 's/.*(\(.*\)-firmware.*/\1/p' "$CFILE"
+}
+
 installed_firmware() {
 	local _pre="$1" _match="$2" _post="$3" _firmware _fw
 	set -sA _firmware -- $(
@@ -626,6 +631,8 @@ CFILE="$LOCALSRC/$CFILE"
 
 if [ "${devices[*]:-}" ]; then
 	"$ALL" && warn "Cannot use -a and devices/files" && usage
+elif "$ALL"; then
+	set -sA devices -- $( available_firmware )
 else
 	((VERBOSE > 1)) && echo -n "Detect firmware ..."
 	set -sA devices -- $( detect_firmware )