diff options
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 28 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 16 | ||||
-rw-r--r-- | drivers/cpufreq/freq_table.c | 12 |
3 files changed, 28 insertions, 28 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 | ||
71 | static DEFINE_PER_CPU(struct acpi_cpufreq_data *, drv_data); | 71 | static DEFINE_PER_CPU(struct acpi_cpufreq_data *, acfreq_data); |
72 | 72 | ||
73 | static DEFINE_PER_CPU(struct aperfmperf, old_perf); | 73 | static 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. */ |
76 | static struct acpi_processor_performance *acpi_perf_data; | 76 | static 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 | ||
279 | static unsigned int get_cur_freq_on_cpu(unsigned int cpu) | 279 | static 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, | |||
322 | static int acpi_cpufreq_target(struct cpufreq_policy *policy, | 322 | static 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 | ||
417 | static int acpi_cpufreq_verify(struct cpufreq_policy *policy) | 417 | static 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); |
715 | err_free: | 715 | err_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 | ||
722 | static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy) | 722 | static 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 | ||
739 | static int acpi_cpufreq_resume(struct cpufreq_policy *policy) | 739 | static 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 | ||
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 3938c7817095..af93a8175c5e 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c | |||
@@ -64,14 +64,14 @@ static DEFINE_SPINLOCK(cpufreq_driver_lock); | |||
64 | * - Lock should not be held across | 64 | * - Lock should not be held across |
65 | * __cpufreq_governor(data, CPUFREQ_GOV_STOP); | 65 | * __cpufreq_governor(data, CPUFREQ_GOV_STOP); |
66 | */ | 66 | */ |
67 | static DEFINE_PER_CPU(int, policy_cpu); | 67 | static DEFINE_PER_CPU(int, cpufreq_policy_cpu); |
68 | static DEFINE_PER_CPU(struct rw_semaphore, cpu_policy_rwsem); | 68 | static DEFINE_PER_CPU(struct rw_semaphore, cpu_policy_rwsem); |
69 | 69 | ||
70 | #define lock_policy_rwsem(mode, cpu) \ | 70 | #define lock_policy_rwsem(mode, cpu) \ |
71 | int lock_policy_rwsem_##mode \ | 71 | int lock_policy_rwsem_##mode \ |
72 | (int cpu) \ | 72 | (int cpu) \ |
73 | { \ | 73 | { \ |
74 | int policy_cpu = per_cpu(policy_cpu, cpu); \ | 74 | int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); \ |
75 | BUG_ON(policy_cpu == -1); \ | 75 | BUG_ON(policy_cpu == -1); \ |
76 | down_##mode(&per_cpu(cpu_policy_rwsem, policy_cpu)); \ | 76 | down_##mode(&per_cpu(cpu_policy_rwsem, policy_cpu)); \ |
77 | if (unlikely(!cpu_online(cpu))) { \ | 77 | if (unlikely(!cpu_online(cpu))) { \ |
@@ -90,7 +90,7 @@ EXPORT_SYMBOL_GPL(lock_policy_rwsem_write); | |||
90 | 90 | ||
91 | void unlock_policy_rwsem_read(int cpu) | 91 | void unlock_policy_rwsem_read(int cpu) |
92 | { | 92 | { |
93 | int policy_cpu = per_cpu(policy_cpu, cpu); | 93 | int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); |
94 | BUG_ON(policy_cpu == -1); | 94 | BUG_ON(policy_cpu == -1); |
95 | up_read(&per_cpu(cpu_policy_rwsem, policy_cpu)); | 95 | up_read(&per_cpu(cpu_policy_rwsem, policy_cpu)); |
96 | } | 96 | } |
@@ -98,7 +98,7 @@ EXPORT_SYMBOL_GPL(unlock_policy_rwsem_read); | |||
98 | 98 | ||
99 | void unlock_policy_rwsem_write(int cpu) | 99 | void unlock_policy_rwsem_write(int cpu) |
100 | { | 100 | { |
101 | int policy_cpu = per_cpu(policy_cpu, cpu); | 101 | int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); |
102 | BUG_ON(policy_cpu == -1); | 102 | BUG_ON(policy_cpu == -1); |
103 | up_write(&per_cpu(cpu_policy_rwsem, policy_cpu)); | 103 | up_write(&per_cpu(cpu_policy_rwsem, policy_cpu)); |
104 | } | 104 | } |
@@ -799,7 +799,7 @@ int cpufreq_add_dev_policy(unsigned int cpu, struct cpufreq_policy *policy, | |||
799 | 799 | ||
800 | /* Set proper policy_cpu */ | 800 | /* Set proper policy_cpu */ |
801 | unlock_policy_rwsem_write(cpu); | 801 | unlock_policy_rwsem_write(cpu); |
802 | per_cpu(policy_cpu, cpu) = managed_policy->cpu; | 802 | per_cpu(cpufreq_policy_cpu, cpu) = managed_policy->cpu; |
803 | 803 | ||
804 | if (lock_policy_rwsem_write(cpu) < 0) { | 804 | if (lock_policy_rwsem_write(cpu) < 0) { |
805 | /* Should not go through policy unlock path */ | 805 | /* Should not go through policy unlock path */ |
@@ -906,7 +906,7 @@ int cpufreq_add_dev_interface(unsigned int cpu, struct cpufreq_policy *policy, | |||
906 | if (!cpu_online(j)) | 906 | if (!cpu_online(j)) |
907 | continue; | 907 | continue; |
908 | per_cpu(cpufreq_cpu_data, j) = policy; | 908 | per_cpu(cpufreq_cpu_data, j) = policy; |
909 | per_cpu(policy_cpu, j) = policy->cpu; | 909 | per_cpu(cpufreq_policy_cpu, j) = policy->cpu; |
910 | } | 910 | } |
911 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); | 911 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); |
912 | 912 | ||
@@ -991,7 +991,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) | |||
991 | cpumask_copy(policy->cpus, cpumask_of(cpu)); | 991 | cpumask_copy(policy->cpus, cpumask_of(cpu)); |
992 | 992 | ||
993 | /* Initially set CPU itself as the policy_cpu */ | 993 | /* Initially set CPU itself as the policy_cpu */ |
994 | per_cpu(policy_cpu, cpu) = cpu; | 994 | per_cpu(cpufreq_policy_cpu, cpu) = cpu; |
995 | ret = (lock_policy_rwsem_write(cpu) < 0); | 995 | ret = (lock_policy_rwsem_write(cpu) < 0); |
996 | WARN_ON(ret); | 996 | WARN_ON(ret); |
997 | 997 | ||
@@ -1946,7 +1946,7 @@ static int __init cpufreq_core_init(void) | |||
1946 | int cpu; | 1946 | int cpu; |
1947 | 1947 | ||
1948 | for_each_possible_cpu(cpu) { | 1948 | for_each_possible_cpu(cpu) { |
1949 | per_cpu(policy_cpu, cpu) = -1; | 1949 | per_cpu(cpufreq_policy_cpu, cpu) = -1; |
1950 | init_rwsem(&per_cpu(cpu_policy_rwsem, cpu)); | 1950 | init_rwsem(&per_cpu(cpu_policy_rwsem, cpu)); |
1951 | } | 1951 | } |
1952 | 1952 | ||
diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index a9bd3a05a684..05432216e224 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c | |||
@@ -174,7 +174,7 @@ int cpufreq_frequency_table_target(struct cpufreq_policy *policy, | |||
174 | } | 174 | } |
175 | EXPORT_SYMBOL_GPL(cpufreq_frequency_table_target); | 175 | EXPORT_SYMBOL_GPL(cpufreq_frequency_table_target); |
176 | 176 | ||
177 | static DEFINE_PER_CPU(struct cpufreq_frequency_table *, show_table); | 177 | static DEFINE_PER_CPU(struct cpufreq_frequency_table *, cpufreq_show_table); |
178 | /** | 178 | /** |
179 | * show_available_freqs - show available frequencies for the specified CPU | 179 | * show_available_freqs - show available frequencies for the specified CPU |
180 | */ | 180 | */ |
@@ -185,10 +185,10 @@ static ssize_t show_available_freqs(struct cpufreq_policy *policy, char *buf) | |||
185 | ssize_t count = 0; | 185 | ssize_t count = 0; |
186 | struct cpufreq_frequency_table *table; | 186 | struct cpufreq_frequency_table *table; |
187 | 187 | ||
188 | if (!per_cpu(show_table, cpu)) | 188 | if (!per_cpu(cpufreq_show_table, cpu)) |
189 | return -ENODEV; | 189 | return -ENODEV; |
190 | 190 | ||
191 | table = per_cpu(show_table, cpu); | 191 | table = per_cpu(cpufreq_show_table, cpu); |
192 | 192 | ||
193 | for (i = 0; (table[i].frequency != CPUFREQ_TABLE_END); i++) { | 193 | for (i = 0; (table[i].frequency != CPUFREQ_TABLE_END); i++) { |
194 | if (table[i].frequency == CPUFREQ_ENTRY_INVALID) | 194 | if (table[i].frequency == CPUFREQ_ENTRY_INVALID) |
@@ -217,20 +217,20 @@ void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table, | |||
217 | unsigned int cpu) | 217 | unsigned int cpu) |
218 | { | 218 | { |
219 | dprintk("setting show_table for cpu %u to %p\n", cpu, table); | 219 | dprintk("setting show_table for cpu %u to %p\n", cpu, table); |
220 | per_cpu(show_table, cpu) = table; | 220 | per_cpu(cpufreq_show_table, cpu) = table; |
221 | } | 221 | } |
222 | EXPORT_SYMBOL_GPL(cpufreq_frequency_table_get_attr); | 222 | EXPORT_SYMBOL_GPL(cpufreq_frequency_table_get_attr); |
223 | 223 | ||
224 | void cpufreq_frequency_table_put_attr(unsigned int cpu) | 224 | void cpufreq_frequency_table_put_attr(unsigned int cpu) |
225 | { | 225 | { |
226 | dprintk("clearing show_table for cpu %u\n", cpu); | 226 | dprintk("clearing show_table for cpu %u\n", cpu); |
227 | per_cpu(show_table, cpu) = NULL; | 227 | per_cpu(cpufreq_show_table, cpu) = NULL; |
228 | } | 228 | } |
229 | EXPORT_SYMBOL_GPL(cpufreq_frequency_table_put_attr); | 229 | EXPORT_SYMBOL_GPL(cpufreq_frequency_table_put_attr); |
230 | 230 | ||
231 | struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu) | 231 | struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu) |
232 | { | 232 | { |
233 | return per_cpu(show_table, cpu); | 233 | return per_cpu(cpufreq_show_table, cpu); |
234 | } | 234 | } |
235 | EXPORT_SYMBOL_GPL(cpufreq_frequency_get_table); | 235 | EXPORT_SYMBOL_GPL(cpufreq_frequency_get_table); |
236 | 236 | ||