diff options
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c')
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index a2baafb2fe6d..4e04e1274388 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | |||
@@ -47,9 +47,6 @@ | |||
47 | #include <asm/cpufeature.h> | 47 | #include <asm/cpufeature.h> |
48 | #include "mperf.h" | 48 | #include "mperf.h" |
49 | 49 | ||
50 | #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \ | ||
51 | "acpi-cpufreq", msg) | ||
52 | |||
53 | MODULE_AUTHOR("Paul Diefenbaugh, Dominik Brodowski"); | 50 | MODULE_AUTHOR("Paul Diefenbaugh, Dominik Brodowski"); |
54 | MODULE_DESCRIPTION("ACPI Processor P-States Driver"); | 51 | MODULE_DESCRIPTION("ACPI Processor P-States Driver"); |
55 | MODULE_LICENSE("GPL"); | 52 | MODULE_LICENSE("GPL"); |
@@ -233,7 +230,7 @@ static u32 get_cur_val(const struct cpumask *mask) | |||
233 | cmd.mask = mask; | 230 | cmd.mask = mask; |
234 | drv_read(&cmd); | 231 | drv_read(&cmd); |
235 | 232 | ||
236 | dprintk("get_cur_val = %u\n", cmd.val); | 233 | pr_debug("get_cur_val = %u\n", cmd.val); |
237 | 234 | ||
238 | return cmd.val; | 235 | return cmd.val; |
239 | } | 236 | } |
@@ -244,7 +241,7 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu) | |||
244 | unsigned int freq; | 241 | unsigned int freq; |
245 | unsigned int cached_freq; | 242 | unsigned int cached_freq; |
246 | 243 | ||
247 | dprintk("get_cur_freq_on_cpu (%d)\n", cpu); | 244 | pr_debug("get_cur_freq_on_cpu (%d)\n", cpu); |
248 | 245 | ||
249 | if (unlikely(data == NULL || | 246 | if (unlikely(data == NULL || |
250 | data->acpi_data == NULL || data->freq_table == NULL)) { | 247 | data->acpi_data == NULL || data->freq_table == NULL)) { |
@@ -261,7 +258,7 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu) | |||
261 | data->resume = 1; | 258 | data->resume = 1; |
262 | } | 259 | } |
263 | 260 | ||
264 | dprintk("cur freq = %u\n", freq); | 261 | pr_debug("cur freq = %u\n", freq); |
265 | 262 | ||
266 | return freq; | 263 | return freq; |
267 | } | 264 | } |
@@ -293,7 +290,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, | |||
293 | unsigned int i; | 290 | unsigned int i; |
294 | int result = 0; | 291 | int result = 0; |
295 | 292 | ||
296 | dprintk("acpi_cpufreq_target %d (%d)\n", target_freq, policy->cpu); | 293 | pr_debug("acpi_cpufreq_target %d (%d)\n", target_freq, policy->cpu); |
297 | 294 | ||
298 | if (unlikely(data == NULL || | 295 | if (unlikely(data == NULL || |
299 | data->acpi_data == NULL || data->freq_table == NULL)) { | 296 | data->acpi_data == NULL || data->freq_table == NULL)) { |
@@ -313,11 +310,11 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, | |||
313 | next_perf_state = data->freq_table[next_state].index; | 310 | next_perf_state = data->freq_table[next_state].index; |
314 | if (perf->state == next_perf_state) { | 311 | if (perf->state == next_perf_state) { |
315 | if (unlikely(data->resume)) { | 312 | if (unlikely(data->resume)) { |
316 | dprintk("Called after resume, resetting to P%d\n", | 313 | pr_debug("Called after resume, resetting to P%d\n", |
317 | next_perf_state); | 314 | next_perf_state); |
318 | data->resume = 0; | 315 | data->resume = 0; |
319 | } else { | 316 | } else { |
320 | dprintk("Already at target state (P%d)\n", | 317 | pr_debug("Already at target state (P%d)\n", |
321 | next_perf_state); | 318 | next_perf_state); |
322 | goto out; | 319 | goto out; |
323 | } | 320 | } |
@@ -357,7 +354,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, | |||
357 | 354 | ||
358 | if (acpi_pstate_strict) { | 355 | if (acpi_pstate_strict) { |
359 | if (!check_freqs(cmd.mask, freqs.new, data)) { | 356 | if (!check_freqs(cmd.mask, freqs.new, data)) { |
360 | dprintk("acpi_cpufreq_target failed (%d)\n", | 357 | pr_debug("acpi_cpufreq_target failed (%d)\n", |
361 | policy->cpu); | 358 | policy->cpu); |
362 | result = -EAGAIN; | 359 | result = -EAGAIN; |
363 | goto out; | 360 | goto out; |
@@ -378,7 +375,7 @@ static int acpi_cpufreq_verify(struct cpufreq_policy *policy) | |||
378 | { | 375 | { |
379 | struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); | 376 | struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); |
380 | 377 | ||
381 | dprintk("acpi_cpufreq_verify\n"); | 378 | pr_debug("acpi_cpufreq_verify\n"); |
382 | 379 | ||
383 | return cpufreq_frequency_table_verify(policy, data->freq_table); | 380 | return cpufreq_frequency_table_verify(policy, data->freq_table); |
384 | } | 381 | } |
@@ -433,11 +430,11 @@ static void free_acpi_perf_data(void) | |||
433 | static int __init acpi_cpufreq_early_init(void) | 430 | static int __init acpi_cpufreq_early_init(void) |
434 | { | 431 | { |
435 | unsigned int i; | 432 | unsigned int i; |
436 | dprintk("acpi_cpufreq_early_init\n"); | 433 | pr_debug("acpi_cpufreq_early_init\n"); |
437 | 434 | ||
438 | acpi_perf_data = alloc_percpu(struct acpi_processor_performance); | 435 | acpi_perf_data = alloc_percpu(struct acpi_processor_performance); |
439 | if (!acpi_perf_data) { | 436 | if (!acpi_perf_data) { |
440 | dprintk("Memory allocation error for acpi_perf_data.\n"); | 437 | pr_debug("Memory allocation error for acpi_perf_data.\n"); |
441 | return -ENOMEM; | 438 | return -ENOMEM; |
442 | } | 439 | } |
443 | for_each_possible_cpu(i) { | 440 | for_each_possible_cpu(i) { |
@@ -519,7 +516,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) | |||
519 | static int blacklisted; | 516 | static int blacklisted; |
520 | #endif | 517 | #endif |
521 | 518 | ||
522 | dprintk("acpi_cpufreq_cpu_init\n"); | 519 | pr_debug("acpi_cpufreq_cpu_init\n"); |
523 | 520 | ||
524 | #ifdef CONFIG_SMP | 521 | #ifdef CONFIG_SMP |
525 | if (blacklisted) | 522 | if (blacklisted) |
@@ -566,7 +563,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) | |||
566 | 563 | ||
567 | /* capability check */ | 564 | /* capability check */ |
568 | if (perf->state_count <= 1) { | 565 | if (perf->state_count <= 1) { |
569 | dprintk("No P-States\n"); | 566 | pr_debug("No P-States\n"); |
570 | result = -ENODEV; | 567 | result = -ENODEV; |
571 | goto err_unreg; | 568 | goto err_unreg; |
572 | } | 569 | } |
@@ -578,11 +575,11 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) | |||
578 | 575 | ||
579 | switch (perf->control_register.space_id) { | 576 | switch (perf->control_register.space_id) { |
580 | case ACPI_ADR_SPACE_SYSTEM_IO: | 577 | case ACPI_ADR_SPACE_SYSTEM_IO: |
581 | dprintk("SYSTEM IO addr space\n"); | 578 | pr_debug("SYSTEM IO addr space\n"); |
582 | data->cpu_feature = SYSTEM_IO_CAPABLE; | 579 | data->cpu_feature = SYSTEM_IO_CAPABLE; |
583 | break; | 580 | break; |
584 | case ACPI_ADR_SPACE_FIXED_HARDWARE: | 581 | case ACPI_ADR_SPACE_FIXED_HARDWARE: |
585 | dprintk("HARDWARE addr space\n"); | 582 | pr_debug("HARDWARE addr space\n"); |
586 | if (!check_est_cpu(cpu)) { | 583 | if (!check_est_cpu(cpu)) { |
587 | result = -ENODEV; | 584 | result = -ENODEV; |
588 | goto err_unreg; | 585 | goto err_unreg; |
@@ -590,7 +587,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) | |||
590 | data->cpu_feature = SYSTEM_INTEL_MSR_CAPABLE; | 587 | data->cpu_feature = SYSTEM_INTEL_MSR_CAPABLE; |
591 | break; | 588 | break; |
592 | default: | 589 | default: |
593 | dprintk("Unknown addr space %d\n", | 590 | pr_debug("Unknown addr space %d\n", |
594 | (u32) (perf->control_register.space_id)); | 591 | (u32) (perf->control_register.space_id)); |
595 | result = -ENODEV; | 592 | result = -ENODEV; |
596 | goto err_unreg; | 593 | goto err_unreg; |
@@ -661,9 +658,9 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) | |||
661 | if (cpu_has(c, X86_FEATURE_APERFMPERF)) | 658 | if (cpu_has(c, X86_FEATURE_APERFMPERF)) |
662 | acpi_cpufreq_driver.getavg = cpufreq_get_measured_perf; | 659 | acpi_cpufreq_driver.getavg = cpufreq_get_measured_perf; |
663 | 660 | ||
664 | dprintk("CPU%u - ACPI performance management activated.\n", cpu); | 661 | pr_debug("CPU%u - ACPI performance management activated.\n", cpu); |
665 | for (i = 0; i < perf->state_count; i++) | 662 | for (i = 0; i < perf->state_count; i++) |
666 | dprintk(" %cP%d: %d MHz, %d mW, %d uS\n", | 663 | pr_debug(" %cP%d: %d MHz, %d mW, %d uS\n", |
667 | (i == perf->state ? '*' : ' '), i, | 664 | (i == perf->state ? '*' : ' '), i, |
668 | (u32) perf->states[i].core_frequency, | 665 | (u32) perf->states[i].core_frequency, |
669 | (u32) perf->states[i].power, | 666 | (u32) perf->states[i].power, |
@@ -694,7 +691,7 @@ static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy) | |||
694 | { | 691 | { |
695 | struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); | 692 | struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); |
696 | 693 | ||
697 | dprintk("acpi_cpufreq_cpu_exit\n"); | 694 | pr_debug("acpi_cpufreq_cpu_exit\n"); |
698 | 695 | ||
699 | if (data) { | 696 | if (data) { |
700 | cpufreq_frequency_table_put_attr(policy->cpu); | 697 | cpufreq_frequency_table_put_attr(policy->cpu); |
@@ -712,7 +709,7 @@ static int acpi_cpufreq_resume(struct cpufreq_policy *policy) | |||
712 | { | 709 | { |
713 | struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); | 710 | struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); |
714 | 711 | ||
715 | dprintk("acpi_cpufreq_resume\n"); | 712 | pr_debug("acpi_cpufreq_resume\n"); |
716 | 713 | ||
717 | data->resume = 1; | 714 | data->resume = 1; |
718 | 715 | ||
@@ -743,7 +740,7 @@ static int __init acpi_cpufreq_init(void) | |||
743 | if (acpi_disabled) | 740 | if (acpi_disabled) |
744 | return 0; | 741 | return 0; |
745 | 742 | ||
746 | dprintk("acpi_cpufreq_init\n"); | 743 | pr_debug("acpi_cpufreq_init\n"); |
747 | 744 | ||
748 | ret = acpi_cpufreq_early_init(); | 745 | ret = acpi_cpufreq_early_init(); |
749 | if (ret) | 746 | if (ret) |
@@ -758,7 +755,7 @@ static int __init acpi_cpufreq_init(void) | |||
758 | 755 | ||
759 | static void __exit acpi_cpufreq_exit(void) | 756 | static void __exit acpi_cpufreq_exit(void) |
760 | { | 757 | { |
761 | dprintk("acpi_cpufreq_exit\n"); | 758 | pr_debug("acpi_cpufreq_exit\n"); |
762 | 759 | ||
763 | cpufreq_unregister_driver(&acpi_cpufreq_driver); | 760 | cpufreq_unregister_driver(&acpi_cpufreq_driver); |
764 | 761 | ||