linuxrc: move the devmgr initialization code to devmgr_init()

defaults/initrd.scripts

@@ -524,6 +524,26 @@ is_mdev() {
 	return 1
 }
 
+devmgr_init() {
+	if is_udev; then
+		good_msg 'Activating udev'
+		echo "${UDEVD}" > /proc/sys/kernel/hotplug
+		echo "" > /sys/kernel/uevent_helper
+		"${UDEVD}" --daemon --resolve-names=never && \
+			udevadm trigger --action=add && \
+			udevadm settle || bad_msg "udevd failed to run"
+	elif is_mdev; then
+		good_msg 'Activating mdev'
+		# Serialize hotplug events
+		touch /dev/mdev.seq
+		echo "${MDEVD}" > /proc/sys/kernel/hotplug
+		# Ensure that device nodes are properly configured
+		"${MDEVD}" -s || bad_msg "mdev -s failed"
+	else
+		bad_msg "Cannot find either udev or mdev"
+	fi
+}
+
 mount_devfs () {
 	# Use devtmpfs if enabled in kernel,
 	# else tmpfs. Always run mdev just in case

defaults/linuxrc

@@ -254,26 +254,7 @@ mount_devfs
 
 mount_sysfs
 
-# Setup hotplugging for firmware loading
+devmgr_init
-if is_udev
-then
-	good_msg 'Activating udev'
-	echo "${UDEVD}" > /proc/sys/kernel/hotplug
-	echo "" > /sys/kernel/uevent_helper
-	"${UDEVD}" --daemon --resolve-names=never && \
-		udevadm trigger --action=add && \
-		udevadm settle || bad_msg "udevd failed to run"
-elif is_mdev
-then
-	good_msg 'Activating mdev'
-	# Serialize hotplug events
-	touch /dev/mdev.seq
-	echo "${MDEVD}" > /proc/sys/kernel/hotplug
-	# Ensure that device nodes are properly configured
-	"${MDEVD}" -s || bad_msg "mdev -s failed"
-else
-	bad_msg "Cannot find either udev or mdev"
-fi
 
 splash_init