--- zzzz-none-000/linux-2.6.39.4/scripts/tags.sh	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/scripts/tags.sh	2021-11-10 13:38:18.000000000 +0000
@@ -206,3 +206,25 @@
 		xtags etags
 		;;
 esac
+
+# Remove structure forward declarations.
+if [ -n "$remove_structs" ]; then
+    LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
+fi
+
+#ifdef CONFIG_AVM_ENHANCED
+# Remove userspace stuff
+if [ "$1" != "cscope" ] ; then
+	LANG=C sed -i -e '
+		# "original" location is now drivers/net/ethernet/avm/avm_cpmac/
+		s,\(drivers\/net\/\)\(avm_cpmac\/\),\1ethernet\/avm\/\2,;
+
+		# filter out some strange files that should not appear in tags
+		/\sdrivers\/char\/avm_new\/test_event.h\s/d;
+		/\sdrivers\/isdn\/avm_dect\/stub\/src\/TOOLS/d;
+		/\sdrivers\/isdn\/isdn_fon5\/stack\/src\//d;
+		/\sdrivers\/isdn\/isdn_fon5\/os\/src\//d;
+		/\sdrivers\/net\/nlaudio\/old_kmemory\.h\s/d;
+	' $1
+fi
+#endif