x86_64: Consolidate tsc calibration
Move the TSC calibration code to tsc.c. Reimplement it so the
pm timer can be used as a reference as well.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h
index a4d8066..2002f8d 100644
--- a/include/asm-x86/tsc.h
+++ b/include/asm-x86/tsc.h
@@ -72,4 +72,8 @@
extern void check_tsc_sync_source(int cpu);
extern void check_tsc_sync_target(void);
+#ifdef CONFIG_X86_64
+extern void tsc_calibrate(void);
+#endif
+
#endif