diff --git a/include/asm-mips/hdreg.h b/include/asm-mips/hdreg.h
new file mode 100644
index 0000000..5989bbc
--- /dev/null
+++ b/include/asm-mips/hdreg.h
@@ -0,0 +1 @@
+#warning this file is obsolete, please do not use it