diff options
Diffstat (limited to 'drivers/acpi/processor_thermal.c')
-rw-r--r-- | drivers/acpi/processor_thermal.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index 6deafb4aa0da..953b25fb9869 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c | |||
@@ -30,8 +30,6 @@ | |||
30 | #include <linux/module.h> | 30 | #include <linux/module.h> |
31 | #include <linux/init.h> | 31 | #include <linux/init.h> |
32 | #include <linux/cpufreq.h> | 32 | #include <linux/cpufreq.h> |
33 | #include <linux/proc_fs.h> | ||
34 | #include <linux/seq_file.h> | ||
35 | #include <linux/sysdev.h> | 33 | #include <linux/sysdev.h> |
36 | 34 | ||
37 | #include <asm/uaccess.h> | 35 | #include <asm/uaccess.h> |
@@ -438,84 +436,3 @@ struct thermal_cooling_device_ops processor_cooling_ops = { | |||
438 | .get_cur_state = processor_get_cur_state, | 436 | .get_cur_state = processor_get_cur_state, |
439 | .set_cur_state = processor_set_cur_state, | 437 | .set_cur_state = processor_set_cur_state, |
440 | }; | 438 | }; |
441 | |||
442 | /* /proc interface */ | ||
443 | #ifdef CONFIG_ACPI_PROCFS | ||
444 | static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset) | ||
445 | { | ||
446 | struct acpi_processor *pr = seq->private; | ||
447 | |||
448 | if (!pr) | ||
449 | goto end; | ||
450 | |||
451 | if (!pr->flags.limit) { | ||
452 | seq_puts(seq, "<not supported>\n"); | ||
453 | goto end; | ||
454 | } | ||
455 | |||
456 | seq_printf(seq, "active limit: P%d:T%d\n" | ||
457 | "user limit: P%d:T%d\n" | ||
458 | "thermal limit: P%d:T%d\n", | ||
459 | pr->limit.state.px, pr->limit.state.tx, | ||
460 | pr->limit.user.px, pr->limit.user.tx, | ||
461 | pr->limit.thermal.px, pr->limit.thermal.tx); | ||
462 | |||
463 | end: | ||
464 | return 0; | ||
465 | } | ||
466 | |||
467 | static int acpi_processor_limit_open_fs(struct inode *inode, struct file *file) | ||
468 | { | ||
469 | return single_open(file, acpi_processor_limit_seq_show, | ||
470 | PDE(inode)->data); | ||
471 | } | ||
472 | |||
473 | static ssize_t acpi_processor_write_limit(struct file * file, | ||
474 | const char __user * buffer, | ||
475 | size_t count, loff_t * data) | ||
476 | { | ||
477 | int result = 0; | ||
478 | struct seq_file *m = file->private_data; | ||
479 | struct acpi_processor *pr = m->private; | ||
480 | char limit_string[25] = { '\0' }; | ||
481 | int px = 0; | ||
482 | int tx = 0; | ||
483 | |||
484 | |||
485 | if (!pr || (count > sizeof(limit_string) - 1)) { | ||
486 | return -EINVAL; | ||
487 | } | ||
488 | |||
489 | if (copy_from_user(limit_string, buffer, count)) { | ||
490 | return -EFAULT; | ||
491 | } | ||
492 | |||
493 | limit_string[count] = '\0'; | ||
494 | |||
495 | if (sscanf(limit_string, "%d:%d", &px, &tx) != 2) { | ||
496 | printk(KERN_ERR PREFIX "Invalid data format\n"); | ||
497 | return -EINVAL; | ||
498 | } | ||
499 | |||
500 | if (pr->flags.throttling) { | ||
501 | if ((tx < 0) || (tx > (pr->throttling.state_count - 1))) { | ||
502 | printk(KERN_ERR PREFIX "Invalid tx\n"); | ||
503 | return -EINVAL; | ||
504 | } | ||
505 | pr->limit.user.tx = tx; | ||
506 | } | ||
507 | |||
508 | result = acpi_processor_apply_limit(pr); | ||
509 | |||
510 | return count; | ||
511 | } | ||
512 | |||
513 | const struct file_operations acpi_processor_limit_fops = { | ||
514 | .owner = THIS_MODULE, | ||
515 | .open = acpi_processor_limit_open_fs, | ||
516 | .read = seq_read, | ||
517 | .write = acpi_processor_write_limit, | ||
518 | .llseek = seq_lseek, | ||
519 | .release = single_release, | ||
520 | }; | ||
521 | #endif | ||