1 files changed, 2 insertions, 102 deletions

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 589b98b7b216..1ada017d01ef 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)