v4.19.13 snapshot.
diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h
new file mode 100644
index 0000000..f6fcc67
--- /dev/null
+++ b/arch/arm/include/asm/timex.h
@@ -0,0 +1,18 @@
+/*
+ * arch/arm/include/asm/timex.h
+ *
+ * Copyright (C) 1997,1998 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Architecture Specific TIME specifications
+ */
+#ifndef _ASMARM_TIMEX_H
+#define _ASMARM_TIMEX_H
+
+typedef unsigned long cycles_t;
+#define get_cycles() ({ cycles_t c; read_current_timer(&c) ? 0 : c; })
+
+#endif