x86: implement missing x86_64 function smp_call_function_mask()

[linux-2.6-omap-h63xx.git] / include / asm-x86 / tsc.h

diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h
index a4d806610b7ff5c56dc51a628ca8f20ad73d1c89..6baab30dc2c8be051e81286bcb9e0ce97d37d724 100644 (file)
--- a/include/asm-x86/tsc.h
+++ b/include/asm-x86/tsc.h
@@ -1,13 +1,14 @@
 /*
- * linux/include/asm-i386/tsc.h
- *
- * i386 TSC related functions
+ * x86 TSC related functions
  */
-#ifndef _ASM_i386_TSC_H
-#define _ASM_i386_TSC_H
+#ifndef _ASM_X86_TSC_H
+#define _ASM_X86_TSC_H
 
 #include <asm/processor.h>
 
+#define NS_SCALE       10 /* 2^10, carefully chosen */
+#define US_SCALE       32 /* 2^32, arbitralrily chosen */
+
 /*
  * Standard way to access the cycle counter.
  */
@@ -72,4 +73,8 @@ 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