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authorIngo Molnar <mingo@elte.hu>2008-12-23 10:30:20 -0500
committerIngo Molnar <mingo@elte.hu>2008-12-23 10:30:20 -0500
commitbe9a1d3c2e559b267983bcf8b003997b83befb49 (patch)
tree4aea3e82ed63e918e83f470970e760fcaf42782f /drivers/acpi
parentfa623d1b0222adbe8f822e53c08003b9679a410c (diff)
parent7e3cbc3f774f31ecd88a51edae3d9377f60a4c00 (diff)
Merge branch 'x86/tsc' into x86/core
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/processor_idle.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 5f8d746a9b81..38aca048e951 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -374,15 +374,15 @@ static int tsc_halts_in_c(int state)
374{ 374{
375 switch (boot_cpu_data.x86_vendor) { 375 switch (boot_cpu_data.x86_vendor) {
376 case X86_VENDOR_AMD: 376 case X86_VENDOR_AMD:
377 case X86_VENDOR_INTEL:
377 /* 378 /*
378 * AMD Fam10h TSC will tick in all 379 * AMD Fam10h TSC will tick in all
379 * C/P/S0/S1 states when this bit is set. 380 * C/P/S0/S1 states when this bit is set.
380 */ 381 */
381 if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) 382 if (boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
382 return 0; 383 return 0;
384
383 /*FALL THROUGH*/ 385 /*FALL THROUGH*/
384 case X86_VENDOR_INTEL:
385 /* Several cases known where TSC halts in C2 too */
386 default: 386 default:
387 return state > ACPI_STATE_C1; 387 return state > ACPI_STATE_C1;
388 } 388 }