#include <asm/processor.h>
#include <asm/cpufeature.h>
-#include "speedstep-est-common.h"
-
#define PFX "speedstep-centrino: "
#define MAINTAINER "Jeremy Fitzhardinge <jeremy@goop.org>"
*/
static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
{
- union acpi_object arg0 = {ACPI_TYPE_BUFFER};
- u32 arg0_buf[3];
- struct acpi_object_list arg_list = {1, &arg0};
unsigned long cur_freq;
int result = 0, i;
unsigned int cpu = policy->cpu;
- /* _PDC settings */
- arg0.buffer.length = 12;
- arg0.buffer.pointer = (u8 *) arg0_buf;
- arg0_buf[0] = ACPI_PDC_REVISION_ID;
- arg0_buf[1] = 1;
- arg0_buf[2] = ACPI_PDC_EST_CAPABILITY_SMP_MSR;
-
- p.pdc = &arg_list;
-
/* register with ACPI core */
if (acpi_processor_register_performance(&p, cpu)) {
dprintk(KERN_INFO PFX "obtaining ACPI data failed\n");
unsigned l, h;
int ret;
int i;
+ struct cpuinfo_x86 *c = &cpu_data[policy->cpu];
/* Only Intel makes Enhanced Speedstep-capable CPUs */
if (cpu->x86_vendor != X86_VENDOR_INTEL || !cpu_has(cpu, X86_FEATURE_EST))
return -ENODEV;
- if (is_const_loops_cpu(policy->cpu)) {
+ if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
centrino_driver.flags |= CPUFREQ_CONST_LOOPS;
}