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authorAlok Kataria <akataria@vmware.com>2008-07-01 11:43:36 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-09 07:43:28 +0200
commite93ef949fd9a3f237aedfb8e64414b28980530b8 (patch)
tree4856aa8bf0e02ed1692fe7b4f545c52cdc1705a3 /arch/x86/kernel/tsc.c
parent8fbbc4b45ce3e4c0eeb15004c79c72b6896a79c2 (diff)
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>
Diffstat (limited to 'arch/x86/kernel/tsc.c')
-rw-r--r--arch/x86/kernel/tsc.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 94c16bdd569..3c36f92160c 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -123,9 +123,9 @@ static u64 __init tsc_read_refs(u64 *pm, u64 *hpet)
}
/**
- * tsc_calibrate - calibrate the tsc on boot
+ * native_calibrate_tsc - calibrate the tsc on boot
*/
-static unsigned int __init tsc_calibrate(void)
+unsigned long native_calibrate_tsc(void)
{
unsigned long flags;
u64 tsc1, tsc2, tr1, tr2, delta, pm1, pm2, hpet1, hpet2;
@@ -195,10 +195,6 @@ out:
return tsc_khz_val;
}
-unsigned long native_calculate_cpu_khz(void)
-{
- return tsc_calibrate();
-}
#ifdef CONFIG_X86_32
/* Only called from the Powernow K7 cpu freq driver */
@@ -208,8 +204,8 @@ int recalibrate_cpu_khz(void)
unsigned long cpu_khz_old = cpu_khz;
if (cpu_has_tsc) {
- cpu_khz = calculate_cpu_khz();
- tsc_khz = cpu_khz;
+ tsc_khz = calibrate_tsc();
+ cpu_khz = tsc_khz;
cpu_data(0).loops_per_jiffy =
cpufreq_scale(cpu_data(0).loops_per_jiffy,
cpu_khz_old, cpu_khz);
@@ -487,10 +483,10 @@ void __init tsc_init(void)
if (!cpu_has_tsc)
return;
- cpu_khz = calculate_cpu_khz();
- tsc_khz = cpu_khz;
+ tsc_khz = calibrate_tsc();
+ cpu_khz = tsc_khz;
- if (!cpu_khz) {
+ if (!tsc_khz) {
mark_tsc_unstable("could not calculate TSC khz");
return;
}