--- zzzz-none-000/linux-4.1.52/scripts/tags.sh	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/scripts/tags.sh	2022-03-02 11:37:14.000000000 +0000
@@ -28,6 +28,20 @@
 # ignore userspace tools
 ignore="$ignore ( -path ${tree}tools ) -prune -o"
 
+# get all AVM subprojects, with an optional path suffix
+avm_subprojects_path()
+{
+	local suffix="$1"
+	local path
+
+	for subproject in ${AVM_SUBPROJECTS_PATHS}; do
+		path="${tree}${subproject}/${suffix}"
+		if [ -e "${path}" ]; then
+			echo "${path}"
+		fi
+	done
+}
+
 # Find all available archs
 find_all_archs()
 {
@@ -68,8 +82,8 @@
 # find sources in include/
 find_include_sources()
 {
-	find ${tree}include $ignore -name config -prune -o -name "$1" \
-		-not -type l -print;
+	find ${tree}include $(avm_subprojects_path include) $ignore \
+		-name config -prune -o -name "$1" -not -type l -print;
 }
 
 # find sources in rest of tree