diff mbox

[3/3] acpi-cpufreq: Use X86_FEATURE_APERF_MPERF to check for average freq capability

Message ID 1240491784-29933-4-git-send-email-trenn@suse.de (mailing list archive)
State RFC, archived
Headers show

Commit Message

Thomas Renninger April 23, 2009, 1:03 p.m. UTC 
Signed-off-by: Thomas Renninger <trenn@suse.de>
---
 arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)
diff mbox

Patch

diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index bf9b6b1..b75ca28 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -647,12 +647,8 @@  static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	acpi_processor_notify_smm(THIS_MODULE);
 
 	/* Check for APERF/MPERF support in hardware */
-	if (c->x86_vendor == X86_VENDOR_INTEL && c->cpuid_level >= 6) {
-		unsigned int ecx;
-		ecx = cpuid_ecx(6);
-		if (ecx & CPUID_6_ECX_APERFMPERF_CAPABILITY)
-			acpi_cpufreq_driver.getavg = get_measured_perf;
-	}
+	if (cpu_has(c, X86_FEATURE_APERF_MPERF))
+		acpi_cpufreq_driver.getavg = get_measured_perf;
 
 	dprintk("CPU%u - ACPI performance management activated.\n", cpu);
 	for (i = 0; i < perf->state_count; i++)