ACPICA: Change type of _TZ from ThermalZone to Device

The type of ThermalZone was confusing hosts as they process the
various ThermalZone objects. ACPICA BZ 876.

http://www.acpica.org/bugzilla/show_bug.cgi?id=876

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index 45f63340ca5f..4a5dcaa268de 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -154,14 +154,16 @@ ACPI_EXPORT_SYMBOL(acpi_format_exception)
  * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
  *    during the initialization sequence.
  * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
- *    perform a Notify() operation on it.
+ *    perform a Notify() operation on it. 09/2010: Changed to type Device.
+ *    This still allows notifies, but does not confuse host code that
+ *    searches for valid thermal_zone objects.
  */
 const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
         {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
         {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
         {"_SB_", ACPI_TYPE_DEVICE, NULL},
         {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
-        {"_TZ_", ACPI_TYPE_THERMAL, NULL},
+        {"_TZ_", ACPI_TYPE_DEVICE, NULL},
         {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL},
         {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
         {"_GL_", ACPI_TYPE_MUTEX, (char *)1},