Pull thermal into release branch
authorLen Brown <len.brown@intel.com>
Thu, 10 May 2007 06:49:01 +0000 (02:49 -0400)
committerLen Brown <len.brown@intel.com>
Thu, 10 May 2007 06:49:01 +0000 (02:49 -0400)
drivers/acpi/thermal.c

index 589b98b..1ada017 100644 (file)
@@ -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)