Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2f0798a3b1c2155b8f30858e853557aef9da2e4e
Commit: 2f0798a3b1c2155b8f30858e853557aef9da2e4e
Parent: 5d5a2989b72847e1f5763420ea31383ca63ebf53
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Fri Oct 12 23:04:23 2007 +0200
Committer: Thomas Gleixner <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 23:04:23 2007 +0200
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 <[EMAIL PROTECTED]>
Signed-off-by: Arjan van de Ven <[EMAIL PROTECTED]>
---
arch/x86/kernel/time_64.c | 1 -
arch/x86/kernel/tsc_64.c | 3 ++-
include/asm-x86/timex.h | 19 ++++++++++++++++---
include/asm-x86/timex_32.h | 22 ----------------------
include/asm-x86/timex_64.h | 31 -------------------------------
include/asm-x86/tsc.h | 11 ++++++-----
6 files changed, 24 insertions(+), 63 deletions(-)
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 16f5888..aca081c 100644
--- 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
--- 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
--- 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
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
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
--- 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.
*/
-
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