x86: unify timex.h variants

Combine the timex.h variants and move the TSC related code into tsc.h.
Move the set_cyc2ns_scale() call into the tsc calibraction code, where
it belongs.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>

diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 16f5888..aca081c 100644 (file)
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -328,7 +328,6 @@ void __init time_init(void)
        else
                vgetcpu_mode = VGETCPU_LSL;
 
-       set_cyc2ns_scale(tsc_khz);
        printk(KERN_INFO "time.c: Detected %d.%03d MHz processor.\n",
                cpu_khz / 1000, cpu_khz % 1000);
        init_tsc_clocksource();

diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c
index 59baecd..9f22e54 100644 (file)
--- a/arch/x86/kernel/tsc_64.c
+++ b/arch/x86/kernel/tsc_64.c
@@ -20,7 +20,7 @@ EXPORT_SYMBOL(tsc_khz);
 
 static unsigned int cyc2ns_scale __read_mostly;
 
-void set_cyc2ns_scale(unsigned long khz)
+static inline void set_cyc2ns_scale(unsigned long khz)
 {
        cyc2ns_scale = (NSEC_PER_MSEC << NS_SCALE) / khz;
 }
@@ -206,6 +206,7 @@ void __init tsc_calibrate(void)
        }
 
        tsc_khz = tsc2 / tsc1;
+       set_cyc2ns_scale(tsc_khz);
 }
 
 /*

diff --git a/include/asm-x86/timex.h b/include/asm-x86/timex.h
index d01c18c..39a21ab 100644 (file)
--- a/include/asm-x86/timex.h
+++ b/include/asm-x86/timex.h
@@ -1,5 +1,18 @@
-#ifdef CONFIG_X86_32
-# include "timex_32.h"
+/* x86 architecture timex specifications */
+#ifndef _ASM_X86_TIMEX_H
+#define _ASM_X86_TIMEX_H
+
+#include <asm/processor.h>
+#include <asm/tsc.h>
+
+#ifdef CONFIG_X86_ELAN
+#  define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */
 #else
-# include "timex_64.h"
+#  define PIT_TICK_RATE 1193182 /* Underlying HZ */
+#endif
+#define CLOCK_TICK_RATE        PIT_TICK_RATE
+
+extern int read_current_timer(unsigned long *timer_value);
+#define ARCH_HAS_READ_CURRENT_TIMER    1
+
 #endif

diff --git a/include/asm-x86/timex_32.h b/include/asm-x86/timex_32.h
deleted file mode 100644 (file)
index fa88394..0000000
--- a/include/asm-x86/timex_32.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * linux/include/asm-i386/timex.h
- *
- * i386 architecture timex specifications
- */
-#ifndef _ASMi386_TIMEX_H
-#define _ASMi386_TIMEX_H
-
-#include <asm/processor.h>
-#include <asm/tsc.h>
-
-#ifdef CONFIG_X86_ELAN
-#  define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */
-#else
-#  define PIT_TICK_RATE 1193182 /* Underlying HZ */
-#endif
-#define CLOCK_TICK_RATE        PIT_TICK_RATE
-
-extern int read_current_timer(unsigned long *timer_value);
-#define ARCH_HAS_READ_CURRENT_TIMER    1
-
-#endif

diff --git a/include/asm-x86/timex_64.h b/include/asm-x86/timex_64.h
deleted file mode 100644 (file)
index 901bf89..0000000
--- a/include/asm-x86/timex_64.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * linux/include/asm-x86_64/timex.h
- *
- * x86-64 architecture timex specifications
- */
-#ifndef _ASMx8664_TIMEX_H
-#define _ASMx8664_TIMEX_H
-
-#include <asm/msr.h>
-#include <asm/vsyscall.h>
-#include <asm/system.h>
-#include <asm/processor.h>
-#include <asm/tsc.h>
-#include <linux/compiler.h>
-
-#define PIT_TICK_RATE  1193182UL
-#define CLOCK_TICK_RATE        PIT_TICK_RATE   /* Underlying HZ */
-
-extern int read_current_timer(unsigned long *timer_value);
-#define ARCH_HAS_READ_CURRENT_TIMER    1
-
-#define USEC_PER_TICK (USEC_PER_SEC / HZ)
-#define NSEC_PER_TICK (NSEC_PER_SEC / HZ)
-#define FSEC_PER_TICK (FSEC_PER_SEC / HZ)
-
-#define NS_SCALE        10 /* 2^10, carefully chosen */
-#define US_SCALE        32 /* 2^32, arbitralrily chosen */
-
-extern void mark_tsc_unstable(char *msg);
-extern void set_cyc2ns_scale(unsigned long khz);
-#endif

diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h
index 2002f8d..6baab30 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.
  */