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Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 7d5c3b0ea8da..43eb3465dda7 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -68,9 +68,9 @@ struct acpi_cpufreq_data {
68 unsigned int cpu_feature; 68 unsigned int cpu_feature;
69}; 69};
70 70
71static DEFINE_PER_CPU(struct acpi_cpufreq_data *, drv_data); 71static DEFINE_PER_CPU(struct acpi_cpufreq_data *, acfreq_data);
72 72
73static DEFINE_PER_CPU(struct aperfmperf, old_perf); 73static DEFINE_PER_CPU(struct aperfmperf, acfreq_old_perf);
74 74
75/* acpi_perf_data is a pointer to percpu data. */ 75/* acpi_perf_data is a pointer to percpu data. */
76static struct acpi_processor_performance *acpi_perf_data; 76static struct acpi_processor_performance *acpi_perf_data;
@@ -214,14 +214,14 @@ static u32 get_cur_val(const struct cpumask *mask)
214 if (unlikely(cpumask_empty(mask))) 214 if (unlikely(cpumask_empty(mask)))
215 return 0; 215 return 0;
216 216
217 switch (per_cpu(drv_data, cpumask_first(mask))->cpu_feature) { 217 switch (per_cpu(acfreq_data, cpumask_first(mask))->cpu_feature) {
218 case SYSTEM_INTEL_MSR_CAPABLE: 218 case SYSTEM_INTEL_MSR_CAPABLE:
219 cmd.type = SYSTEM_INTEL_MSR_CAPABLE; 219 cmd.type = SYSTEM_INTEL_MSR_CAPABLE;
220 cmd.addr.msr.reg = MSR_IA32_PERF_STATUS; 220 cmd.addr.msr.reg = MSR_IA32_PERF_STATUS;
221 break; 221 break;
222 case SYSTEM_IO_CAPABLE: 222 case SYSTEM_IO_CAPABLE:
223 cmd.type = SYSTEM_IO_CAPABLE; 223 cmd.type = SYSTEM_IO_CAPABLE;
224 perf = per_cpu(drv_data, cpumask_first(mask))->acpi_data; 224 perf = per_cpu(acfreq_data, cpumask_first(mask))->acpi_data;
225 cmd.addr.io.port = perf->control_register.address; 225 cmd.addr.io.port = perf->control_register.address;
226 cmd.addr.io.bit_width = perf->control_register.bit_width; 226 cmd.addr.io.bit_width = perf->control_register.bit_width;
227 break; 227 break;
@@ -268,8 +268,8 @@ static unsigned int get_measured_perf(struct cpufreq_policy *policy,
268 if (smp_call_function_single(cpu, read_measured_perf_ctrs, &perf, 1)) 268 if (smp_call_function_single(cpu, read_measured_perf_ctrs, &perf, 1))
269 return 0; 269 return 0;
270 270
271 ratio = calc_aperfmperf_ratio(&per_cpu(old_perf, cpu), &perf); 271 ratio = calc_aperfmperf_ratio(&per_cpu(acfreq_old_perf, cpu), &perf);
272 per_cpu(old_perf, cpu) = perf; 272 per_cpu(acfreq_old_perf, cpu) = perf;
273 273
274 retval = (policy->cpuinfo.max_freq * ratio) >> APERFMPERF_SHIFT; 274 retval = (policy->cpuinfo.max_freq * ratio) >> APERFMPERF_SHIFT;
275 275
@@ -278,7 +278,7 @@ static unsigned int get_measured_perf(struct cpufreq_policy *policy,
278 278
279static unsigned int get_cur_freq_on_cpu(unsigned int cpu) 279static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
280{ 280{
281 struct acpi_cpufreq_data *data = per_cpu(drv_data, cpu); 281 struct acpi_cpufreq_data *data = per_cpu(acfreq_data, cpu);
282 unsigned int freq; 282 unsigned int freq;
283 unsigned int cached_freq; 283 unsigned int cached_freq;
284 284
@@ -322,7 +322,7 @@ static unsigned int check_freqs(const struct cpumask *mask, unsigned int freq,
322static int acpi_cpufreq_target(struct cpufreq_policy *policy, 322static int acpi_cpufreq_target(struct cpufreq_policy *policy,
323 unsigned int target_freq, unsigned int relation) 323 unsigned int target_freq, unsigned int relation)
324{ 324{
325 struct acpi_cpufreq_data *data = per_cpu(drv_data, policy->cpu); 325 struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu);
326 struct acpi_processor_performance *perf; 326 struct acpi_processor_performance *perf;
327 struct cpufreq_freqs freqs; 327 struct cpufreq_freqs freqs;
328 struct drv_cmd cmd; 328 struct drv_cmd cmd;
@@ -416,7 +416,7 @@ out:
416 416
417static int acpi_cpufreq_verify(struct cpufreq_policy *policy) 417static int acpi_cpufreq_verify(struct cpufreq_policy *policy)
418{ 418{
419 struct acpi_cpufreq_data *data = per_cpu(drv_data, policy->cpu); 419 struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu);
420 420
421 dprintk("acpi_cpufreq_verify\n"); 421 dprintk("acpi_cpufreq_verify\n");
422 422
@@ -563,7 +563,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
563 return -ENOMEM; 563 return -ENOMEM;
564 564
565 data->acpi_data = per_cpu_ptr(acpi_perf_data, cpu); 565 data->acpi_data = per_cpu_ptr(acpi_perf_data, cpu);
566 per_cpu(drv_data, cpu) = data; 566 per_cpu(acfreq_data, cpu) = data;
567 567
568 if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) 568 if (cpu_has(c, X86_FEATURE_CONSTANT_TSC))
569 acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS; 569 acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS;
@@ -714,20 +714,20 @@ err_unreg:
714 acpi_processor_unregister_performance(perf, cpu); 714 acpi_processor_unregister_performance(perf, cpu);
715err_free: 715err_free:
716 kfree(data); 716 kfree(data);
717 per_cpu(drv_data, cpu) = NULL; 717 per_cpu(acfreq_data, cpu) = NULL;
718 718
719 return result; 719 return result;
720} 720}
721 721
722static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy) 722static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy)
723{ 723{
724 struct acpi_cpufreq_data *data = per_cpu(drv_data, policy->cpu); 724 struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu);
725 725
726 dprintk("acpi_cpufreq_cpu_exit\n"); 726 dprintk("acpi_cpufreq_cpu_exit\n");
727 727
728 if (data) { 728 if (data) {
729 cpufreq_frequency_table_put_attr(policy->cpu); 729 cpufreq_frequency_table_put_attr(policy->cpu);
730 per_cpu(drv_data, policy->cpu) = NULL; 730 per_cpu(acfreq_data, policy->cpu) = NULL;
731 acpi_processor_unregister_performance(data->acpi_data, 731 acpi_processor_unregister_performance(data->acpi_data,
732 policy->cpu); 732 policy->cpu);
733 kfree(data); 733 kfree(data);
@@ -738,7 +738,7 @@ static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy)
738 738
739static int acpi_cpufreq_resume(struct cpufreq_policy *policy) 739static int acpi_cpufreq_resume(struct cpufreq_policy *policy)
740{ 740{
741 struct acpi_cpufreq_data *data = per_cpu(drv_data, policy->cpu); 741 struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu);
742 742
743 dprintk("acpi_cpufreq_resume\n"); 743 dprintk("acpi_cpufreq_resume\n");
744 744