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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 19:54:53 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:01:40 (GMT) |
| commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
| tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /arch/x86/kernel/cpu/mcheck/therm_throt.c | |
| parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
| parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
| download | linux-fsl-qoriq-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.xz | |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/x86/kernel/cpu/mcheck/therm_throt.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/therm_throt.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c index 5957a93..63a56d1 100644 --- a/arch/x86/kernel/cpu/mcheck/therm_throt.c +++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c @@ -260,9 +260,6 @@ void intel_init_thermal(struct cpuinfo_x86 *c) return; } - if (cpu_has(c, X86_FEATURE_TM2) && (l & MSR_IA32_MISC_ENABLE_TM2)) - tm2 = 1; - /* Check whether a vector already exists */ if (h & APIC_VECTOR_MASK) { printk(KERN_DEBUG @@ -271,6 +268,16 @@ void intel_init_thermal(struct cpuinfo_x86 *c) return; } + /* early Pentium M models use different method for enabling TM2 */ + if (cpu_has(c, X86_FEATURE_TM2)) { + if (c->x86 == 6 && (c->x86_model == 9 || c->x86_model == 13)) { + rdmsr(MSR_THERM2_CTL, l, h); + if (l & MSR_THERM2_CTL_TM_SELECT) + tm2 = 1; + } else if (l & MSR_IA32_MISC_ENABLE_TM2) + tm2 = 1; + } + /* We'll mask the thermal vector in the lapic till we're ready: */ h = THERMAL_APIC_VECTOR | APIC_DM_FIXED | APIC_LVT_MASKED; apic_write(APIC_LVTTHMR, h); |