x86: merge tsc_init and clocksource code

Unify the clocksource code.
Unify the tsc_init code.

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>

4 files changed, 12 insertions, 2 deletions

diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h
index a29807737d3d..4e2c1e517f06 100644
--- a/include/asm-x86/apic.h
+++ b/include/asm-x86/apic.h
@@ -121,12 +121,17 @@ extern void enable_NMI_through_LVT0(void);
  */
 #ifdef CONFIG_X86_64
 extern void early_init_lapic_mapping(void);
+extern int apic_is_clustered_box(void);
+#else
+static inline int apic_is_clustered_box(void)
+{
+        return 0;
+}
 #endif
 
 extern u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask);
 extern u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask);
 
-extern int apic_is_clustered_box(void);
 
 #else /* !CONFIG_X86_LOCAL_APIC */
 static inline void lapic_shutdown(void) { }
diff --git a/include/asm-x86/delay.h b/include/asm-x86/delay.h
index 409a649204aa..bb80880c834b 100644
--- a/include/asm-x86/delay.h
+++ b/include/asm-x86/delay.h
@@ -26,6 +26,10 @@ extern void __delay(unsigned long loops);
         ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
         __ndelay(n))
 
+#ifdef CONFIG_X86_32
 void use_tsc_delay(void);
+#else
+#define use_tsc_delay() {}
+#endif
 
 #endif /* _ASM_X86_DELAY_H */
diff --git a/include/asm-x86/time.h b/include/asm-x86/time.h
index bce72d7a958c..a17fa473e91d 100644
--- a/include/asm-x86/time.h
+++ b/include/asm-x86/time.h
@@ -56,4 +56,6 @@ static inline int native_set_wallclock(unsigned long nowtime)
 
 #endif /* CONFIG_PARAVIRT */
 
+extern unsigned long __init calibrate_cpu(void);
+
 #endif
diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h
index 761054d7fefb..cb6f6ee45b8f 100644
--- a/include/asm-x86/tsc.h
+++ b/include/asm-x86/tsc.h
@@ -48,7 +48,6 @@ static __always_inline cycles_t vget_cycles(void)
 extern void tsc_init(void);
 extern void mark_tsc_unstable(char *reason);
 extern int unsynchronized_tsc(void);
-extern void init_tsc_clocksource(void);
 int check_tsc_unstable(void);
 
 /*