Commit-ID: 70fe440718d9f42bf963c2cffe12008eb5556165
Gitweb: http://git.kernel.org/tip/70fe440718d9f42bf963c2cffe12008eb5556165
Author: Hidetoshi Seto <seto.hidetoshi@xxxxxxxxxxxxxx>
AuthorDate: Mon, 14 Dec 2009 17:57:00 +0900
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 14 Dec 2009 10:38:41 +0100
x86, mce: Clean up thermal init by introducing intel_thermal_supported()
It looks better to have a common function. No change in functionality.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@xxxxxxxxxxxxxx>
Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
LKML-Reference: <4B25FDDC.407@xxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
---
arch/x86/kernel/cpu/mcheck/therm_throt.c | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 0a9b577..81c499e 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -256,6 +256,16 @@ asmlinkage void smp_thermal_interrupt(struct pt_regs *regs)
ack_APIC_irq();
}
+/* Thermal monitoring depends on APIC, ACPI and clock modulation */
+static int intel_thermal_supported(struct cpuinfo_x86 *c)
+{
+ if (!cpu_has_apic)
+ return 0;
+ if (!cpu_has(c, X86_FEATURE_ACPI) || !cpu_has(c, X86_FEATURE_ACC))
+ return 0;
+ return 1;
+}
+
void __init mcheck_intel_therm_init(void)
{
/*
@@ -263,8 +273,7 @@ void __init mcheck_intel_therm_init(void)
* LVT value on BSP and use that value to restore APs' thermal LVT
* entry BIOS programmed later
*/
- if (cpu_has(&boot_cpu_data, X86_FEATURE_ACPI) &&
- cpu_has(&boot_cpu_data, X86_FEATURE_ACC))
+ if (intel_thermal_supported(&boot_cpu_data))
lvtthmr_init = apic_read(APIC_LVTTHMR);
}
@@ -274,9 +283,7 @@ void intel_init_thermal(struct cpuinfo_x86 *c)
int tm2 = 0;
u32 l, h;
- /* Thermal monitoring depends on APIC, ACPI and clock modulation */
- if (!cpu_has_apic || !cpu_has(c, X86_FEATURE_ACPI) ||
- !cpu_has(c, X86_FEATURE_ACC))
+ if (!intel_thermal_supported(c))
return;
/*
--
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