x86: rename paravirtualized TSC functions

Rename the paravirtualized calculate_cpu_khz to calibrate_tsc.
In all cases, we actually calibrate_tsc and use that as the cpu_khz value.

Signed-off-by: Alok N Kataria <akataria@vmware.com>
Signed-off-by: Dan Hecht <dhecht@vmware.com>
Cc: Dan Hecht <dhecht@vmware.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index 6d8966f..ef5e8ec 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -84,7 +84,7 @@
 	int (*set_wallclock)(unsigned long);
 
 	unsigned long long (*sched_clock)(void);
-	unsigned long (*get_cpu_khz)(void);
+	unsigned long (*get_tsc_khz)(void);
 };
 
 struct pv_cpu_ops {
@@ -779,7 +779,7 @@
 {
 	return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock);
 }
-#define calculate_cpu_khz() (pv_time_ops.get_cpu_khz())
+#define calibrate_tsc() (pv_time_ops.get_tsc_khz())
 
 static inline unsigned long long paravirt_read_pmc(int counter)
 {
diff --git a/include/asm-x86/timer.h b/include/asm-x86/timer.h
index 4f6fcb0..fb2a4dd 100644
--- a/include/asm-x86/timer.h
+++ b/include/asm-x86/timer.h
@@ -7,14 +7,14 @@
 #define TICK_SIZE (tick_nsec / 1000)
 
 unsigned long long native_sched_clock(void);
-unsigned long native_calculate_cpu_khz(void);
+unsigned long native_calibrate_tsc(void);
 
 extern int timer_ack;
 extern int no_timer_check;
 extern int recalibrate_cpu_khz(void);
 
 #ifndef CONFIG_PARAVIRT
-#define calculate_cpu_khz() native_calculate_cpu_khz()
+#define calibrate_tsc() native_calibrate_tsc()
 #endif
 
 /* Accelerators for sched_clock()
diff --git a/include/asm-x86/vmi_time.h b/include/asm-x86/vmi_time.h
index 4781881..c3118c3 100644
--- a/include/asm-x86/vmi_time.h
+++ b/include/asm-x86/vmi_time.h
@@ -50,7 +50,7 @@
 extern unsigned long vmi_get_wallclock(void);
 extern int vmi_set_wallclock(unsigned long now);
 extern unsigned long long vmi_sched_clock(void);
-extern unsigned long vmi_cpu_khz(void);
+extern unsigned long vmi_tsc_khz(void);
 
 #ifdef CONFIG_X86_LOCAL_APIC
 extern void __devinit vmi_time_bsp_init(void);