diff options
| -rw-r--r-- | drivers/acpi/thermal.c | 104 |
1 files changed, 2 insertions, 102 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 589b98b7b21..1ada017d01e 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -59,8 +59,6 @@ #define ACPI_THERMAL_NOTIFY_CRITICAL 0xF0 #define ACPI_THERMAL_NOTIFY_HOT 0xF1 #define ACPI_THERMAL_MODE_ACTIVE 0x00 -#define ACPI_THERMAL_MODE_PASSIVE 0x01 -#define ACPI_THERMAL_MODE_CRITICAL 0xff #define ACPI_THERMAL_PATH_POWEROFF "/sbin/poweroff" #define ACPI_THERMAL_MAX_ACTIVE 10 @@ -86,9 +84,6 @@ static int acpi_thermal_resume(struct acpi_device *device); static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file); static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file); static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file); -static ssize_t acpi_thermal_write_trip_points(struct file *, - const char __user *, size_t, - loff_t *); static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file); static ssize_t acpi_thermal_write_cooling_mode(struct file *, const char __user *, size_t, @@ -167,7 +162,6 @@ struct acpi_thermal { unsigned long temperature; unsigned long last_temperature; unsigned long polling_frequency; - u8 cooling_mode; volatile u8 zombie; struct acpi_thermal_flags flags; struct acpi_thermal_state state; @@ -193,7 +187,6 @@ static const struct file_operations acpi_thermal_temp_fops = { static const struct file_operations acpi_thermal_trip_fops = { .open = acpi_thermal_trip_open_fs, .read = seq_read, - .write = acpi_thermal_write_trip_points, .llseek = seq_lseek, .release = single_release, }; @@ -297,11 +290,6 @@ static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode) if (ACPI_FAILURE(status)) return -ENODEV; - tz->cooling_mode = mode; - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n", - mode ? "passive" : "active")); - return 0; } @@ -889,67 +877,6 @@ static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file) return single_open(file, acpi_thermal_trip_seq_show, PDE(inode)->data); } -static ssize_t -acpi_thermal_write_trip_points(struct file *file, - const char __user * buffer, - size_t count, loff_t * ppos) -{ - struct seq_file *m = file->private_data; - struct acpi_thermal *tz = m->private; - - char *limit_string; - int num, critical, hot, passive; - int *active; - int i = 0; - - - limit_string = kzalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL); - if (!limit_string) - return -ENOMEM; - - active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL); - if (!active) { - kfree(limit_string); - return -ENOMEM; - } - - if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) { - count = -EINVAL; - goto end; - } - - if (copy_from_user(limit_string, buffer, count)) { - count = -EFAULT; - goto end; - } - - limit_string[count] = '\0'; - - num = sscanf(limit_string, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", - &critical, &hot, &passive, - &active[0], &active[1], &active[2], &active[3], &active[4], - &active[5], &active[6], &active[7], &active[8], - &active[9]); - if (!(num >= 5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) { - count = -EINVAL; - goto end; - } - - tz->trips.critical.temperature = CELSIUS_TO_KELVIN(critical); - tz->trips.hot.temperature = CELSIUS_TO_KELVIN(hot); - tz->trips.passive.temperature = CELSIUS_TO_KELVIN(passive); - for (i = 0; i < num - 3; i++) { - if (!(tz->trips.active[i].flags.valid)) - break; - tz->trips.active[i].temperature = CELSIUS_TO_KELVIN(active[i]); - } - - end: - kfree(active); - kfree(limit_string); - return count; -} - static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) { struct acpi_thermal *tz = seq->private; @@ -958,15 +885,10 @@ static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) if (!tz) goto end; - if (!tz->flags.cooling_mode) { + if (!tz->flags.cooling_mode) seq_puts(seq, "<setting not supported>\n"); - } - - if (tz->cooling_mode == ACPI_THERMAL_MODE_CRITICAL) - seq_printf(seq, "cooling mode: critical\n"); else - seq_printf(seq, "cooling mode: %s\n", - tz->cooling_mode ? "passive" : "active"); + seq_puts(seq, "0 - Active; 1 - Passive\n"); end: return 0; @@ -1223,28 +1145,6 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz) result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE); if (!result) tz->flags.cooling_mode = 1; - else { - /* Oh,we have not _SCP method. - Generally show cooling_mode by _ACx, _PSV,spec 12.2 */ - tz->flags.cooling_mode = 0; - if (tz->trips.active[0].flags.valid - && tz->trips.passive.flags.valid) { - if (tz->trips.passive.temperature > - tz->trips.active[0].temperature) - tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE; - else - tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE; - } else if (!tz->trips.active[0].flags.valid - && tz->trips.passive.flags.valid) { - tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE; - } else if (tz->trips.active[0].flags.valid - && !tz->trips.passive.flags.valid) { - tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE; - } else { - /* _ACx and _PSV are optional, but _CRT is required */ - tz->cooling_mode = ACPI_THERMAL_MODE_CRITICAL; - } - } /* Get default polling frequency [_TZP] (optional) */ if (tzp) |