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authorThomas Gleixner <tglx@linutronix.de>2007-10-12 23:04:06 +0200
committerThomas Gleixner <tglx@inhelltoy.tec.linutronix.de>2007-10-12 23:04:06 +0200
commitd371698efd45c3664fd1726780c360f02e1f9580 (patch)
treef6c45126c49f35a62520b89d1bc74fca1a6f9ff9 /include/asm-x86/tsc.h
parentx86_64: Select clocksource watchdog in Kconfig (diff)
downloadlinux-d371698efd45c3664fd1726780c360f02e1f9580.tar.xz
linux-d371698efd45c3664fd1726780c360f02e1f9580.zip
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>
Diffstat (limited to 'include/asm-x86/tsc.h')
-rw-r--r--include/asm-x86/tsc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h
index a4d806610b7f..2002f8d6d20a 100644
--- a/include/asm-x86/tsc.h
+++ b/include/asm-x86/tsc.h
@@ -72,4 +72,8 @@ int check_tsc_unstable(void);
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