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-rw-r--r--arch/arm/include/asm/timex.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h
new file mode 100644
index 0000000000..6d1337c169
--- /dev/null
+++ b/arch/arm/include/asm/timex.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * arch/arm/include/asm/timex.h
+ *
+ * Copyright (C) 1997,1998 Russell King
+ *
+ * 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; })
+#define random_get_entropy() (((unsigned long)get_cycles()) ?: random_get_entropy_fallback())
+
+#endif