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; |
