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 6deafb4..953b25f 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -30,8 +30,6 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/cpufreq.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> #include <linux/sysdev.h> #include <asm/uaccess.h> @@ -438,84 +436,3 @@ struct thermal_cooling_device_ops processor_cooling_ops = { .get_cur_state = processor_get_cur_state, .set_cur_state = processor_set_cur_state, }; - -/* /proc interface */ -#ifdef CONFIG_ACPI_PROCFS -static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset) -{ - struct acpi_processor *pr = seq->private; - - if (!pr) - goto end; - - if (!pr->flags.limit) { - seq_puts(seq, "<not supported>\n"); - goto end; - } - - seq_printf(seq, "active limit: P%d:T%d\n" - "user limit: P%d:T%d\n" - "thermal limit: P%d:T%d\n", - pr->limit.state.px, pr->limit.state.tx, - pr->limit.user.px, pr->limit.user.tx, - pr->limit.thermal.px, pr->limit.thermal.tx); - - end: - return 0; -} - -static int acpi_processor_limit_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_processor_limit_seq_show, - PDE(inode)->data); -} - -static ssize_t acpi_processor_write_limit(struct file * file, - const char __user * buffer, - size_t count, loff_t * data) -{ - int result = 0; - struct seq_file *m = file->private_data; - struct acpi_processor *pr = m->private; - char limit_string[25] = { '\0' }; - int px = 0; - int tx = 0; - - - if (!pr || (count > sizeof(limit_string) - 1)) { - return -EINVAL; - } - - if (copy_from_user(limit_string, buffer, count)) { - return -EFAULT; - } - - limit_string[count] = '\0'; - - if (sscanf(limit_string, "%d:%d", &px, &tx) != 2) { - printk(KERN_ERR PREFIX "Invalid data format\n"); - return -EINVAL; - } - - if (pr->flags.throttling) { - if ((tx < 0) || (tx > (pr->throttling.state_count - 1))) { - printk(KERN_ERR PREFIX "Invalid tx\n"); - return -EINVAL; - } - pr->limit.user.tx = tx; - } - - result = acpi_processor_apply_limit(pr); - - return count; -} - -const struct file_operations acpi_processor_limit_fops = { - .owner = THIS_MODULE, - .open = acpi_processor_limit_open_fs, - .read = seq_read, - .write = acpi_processor_write_limit, - .llseek = seq_lseek, - .release = single_release, -}; -#endif |