diff options
Diffstat (limited to 'drivers/acpi/processor_perflib.c')
-rw-r--r-- | drivers/acpi/processor_perflib.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 846e227592d4..9cc769b587ff 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c | |||
@@ -31,14 +31,6 @@ | |||
31 | #include <linux/init.h> | 31 | #include <linux/init.h> |
32 | #include <linux/cpufreq.h> | 32 | #include <linux/cpufreq.h> |
33 | 33 | ||
34 | #ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF | ||
35 | #include <linux/proc_fs.h> | ||
36 | #include <linux/seq_file.h> | ||
37 | #include <linux/mutex.h> | ||
38 | |||
39 | #include <asm/uaccess.h> | ||
40 | #endif | ||
41 | |||
42 | #ifdef CONFIG_X86 | 34 | #ifdef CONFIG_X86 |
43 | #include <asm/cpufeature.h> | 35 | #include <asm/cpufeature.h> |
44 | #endif | 36 | #endif |
@@ -434,96 +426,6 @@ int acpi_processor_notify_smm(struct module *calling_module) | |||
434 | 426 | ||
435 | EXPORT_SYMBOL(acpi_processor_notify_smm); | 427 | EXPORT_SYMBOL(acpi_processor_notify_smm); |
436 | 428 | ||
437 | #ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF | ||
438 | /* /proc/acpi/processor/../performance interface (DEPRECATED) */ | ||
439 | |||
440 | static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file); | ||
441 | static struct file_operations acpi_processor_perf_fops = { | ||
442 | .owner = THIS_MODULE, | ||
443 | .open = acpi_processor_perf_open_fs, | ||
444 | .read = seq_read, | ||
445 | .llseek = seq_lseek, | ||
446 | .release = single_release, | ||
447 | }; | ||
448 | |||
449 | static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset) | ||
450 | { | ||
451 | struct acpi_processor *pr = seq->private; | ||
452 | int i; | ||
453 | |||
454 | |||
455 | if (!pr) | ||
456 | goto end; | ||
457 | |||
458 | if (!pr->performance) { | ||
459 | seq_puts(seq, "<not supported>\n"); | ||
460 | goto end; | ||
461 | } | ||
462 | |||
463 | seq_printf(seq, "state count: %d\n" | ||
464 | "active state: P%d\n", | ||
465 | pr->performance->state_count, pr->performance->state); | ||
466 | |||
467 | seq_puts(seq, "states:\n"); | ||
468 | for (i = 0; i < pr->performance->state_count; i++) | ||
469 | seq_printf(seq, | ||
470 | " %cP%d: %d MHz, %d mW, %d uS\n", | ||
471 | (i == pr->performance->state ? '*' : ' '), i, | ||
472 | (u32) pr->performance->states[i].core_frequency, | ||
473 | (u32) pr->performance->states[i].power, | ||
474 | (u32) pr->performance->states[i].transition_latency); | ||
475 | |||
476 | end: | ||
477 | return 0; | ||
478 | } | ||
479 | |||
480 | static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file) | ||
481 | { | ||
482 | return single_open(file, acpi_processor_perf_seq_show, | ||
483 | PDE(inode)->data); | ||
484 | } | ||
485 | |||
486 | static void acpi_cpufreq_add_file(struct acpi_processor *pr) | ||
487 | { | ||
488 | struct acpi_device *device = NULL; | ||
489 | |||
490 | |||
491 | if (acpi_bus_get_device(pr->handle, &device)) | ||
492 | return; | ||
493 | |||
494 | /* add file 'performance' [R/W] */ | ||
495 | proc_create_data(ACPI_PROCESSOR_FILE_PERFORMANCE, S_IFREG | S_IRUGO, | ||
496 | acpi_device_dir(device), | ||
497 | &acpi_processor_perf_fops, acpi_driver_data(device)); | ||
498 | return; | ||
499 | } | ||
500 | |||
501 | static void acpi_cpufreq_remove_file(struct acpi_processor *pr) | ||
502 | { | ||
503 | struct acpi_device *device = NULL; | ||
504 | |||
505 | |||
506 | if (acpi_bus_get_device(pr->handle, &device)) | ||
507 | return; | ||
508 | |||
509 | /* remove file 'performance' */ | ||
510 | remove_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE, | ||
511 | acpi_device_dir(device)); | ||
512 | |||
513 | return; | ||
514 | } | ||
515 | |||
516 | #else | ||
517 | static void acpi_cpufreq_add_file(struct acpi_processor *pr) | ||
518 | { | ||
519 | return; | ||
520 | } | ||
521 | static void acpi_cpufreq_remove_file(struct acpi_processor *pr) | ||
522 | { | ||
523 | return; | ||
524 | } | ||
525 | #endif /* CONFIG_X86_ACPI_CPUFREQ_PROC_INTF */ | ||
526 | |||
527 | static int acpi_processor_get_psd(struct acpi_processor *pr) | 429 | static int acpi_processor_get_psd(struct acpi_processor *pr) |
528 | { | 430 | { |
529 | int result = 0; | 431 | int result = 0; |
@@ -747,14 +649,12 @@ err_ret: | |||
747 | } | 649 | } |
748 | EXPORT_SYMBOL(acpi_processor_preregister_performance); | 650 | EXPORT_SYMBOL(acpi_processor_preregister_performance); |
749 | 651 | ||
750 | |||
751 | int | 652 | int |
752 | acpi_processor_register_performance(struct acpi_processor_performance | 653 | acpi_processor_register_performance(struct acpi_processor_performance |
753 | *performance, unsigned int cpu) | 654 | *performance, unsigned int cpu) |
754 | { | 655 | { |
755 | struct acpi_processor *pr; | 656 | struct acpi_processor *pr; |
756 | 657 | ||
757 | |||
758 | if (!(acpi_processor_ppc_status & PPC_REGISTERED)) | 658 | if (!(acpi_processor_ppc_status & PPC_REGISTERED)) |
759 | return -EINVAL; | 659 | return -EINVAL; |
760 | 660 | ||
@@ -781,8 +681,6 @@ acpi_processor_register_performance(struct acpi_processor_performance | |||
781 | return -EIO; | 681 | return -EIO; |
782 | } | 682 | } |
783 | 683 | ||
784 | acpi_cpufreq_add_file(pr); | ||
785 | |||
786 | mutex_unlock(&performance_mutex); | 684 | mutex_unlock(&performance_mutex); |
787 | return 0; | 685 | return 0; |
788 | } | 686 | } |
@@ -795,7 +693,6 @@ acpi_processor_unregister_performance(struct acpi_processor_performance | |||
795 | { | 693 | { |
796 | struct acpi_processor *pr; | 694 | struct acpi_processor *pr; |
797 | 695 | ||
798 | |||
799 | mutex_lock(&performance_mutex); | 696 | mutex_lock(&performance_mutex); |
800 | 697 | ||
801 | pr = per_cpu(processors, cpu); | 698 | pr = per_cpu(processors, cpu); |
@@ -808,8 +705,6 @@ acpi_processor_unregister_performance(struct acpi_processor_performance | |||
808 | kfree(pr->performance->states); | 705 | kfree(pr->performance->states); |
809 | pr->performance = NULL; | 706 | pr->performance = NULL; |
810 | 707 | ||
811 | acpi_cpufreq_remove_file(pr); | ||
812 | |||
813 | mutex_unlock(&performance_mutex); | 708 | mutex_unlock(&performance_mutex); |
814 | 709 | ||
815 | return; | 710 | return; |