ACPICA: New internal utility function to create Integer objects

acpi_ut_create_integer_object. This function (when deployed) should
simplify some of the object creation code.  ACPICA BZ 823.

http://www.acpica.org/bugzilla/show_bug.cgi?id=823

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>

2 files changed, 31 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index f920d89b3b15..3a451a21a3f9 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -386,6 +386,8 @@ u8 acpi_ut_valid_internal_object(void *object);
 
 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
 
+union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
+
 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
 
 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index 0207b625274a..42e658b543f1 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -190,6 +190,35 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count)
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ut_create_integer_object
+ *
+ * PARAMETERS:  initial_value       - Initial value for the integer
+ *
+ * RETURN:      Pointer to a new Integer object, null on failure
+ *
+ * DESCRIPTION: Create an initialized integer object
+ *
+ ******************************************************************************/
+
+union acpi_operand_object *acpi_ut_create_integer_object(u64 initial_value)
+{
+        union acpi_operand_object *integer_desc;
+
+        ACPI_FUNCTION_TRACE(ut_create_integer_object);
+
+        /* Create and initialize a new integer object */
+
+        integer_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+        if (!integer_desc) {
+                return_PTR(NULL);
+        }
+
+        integer_desc->integer.value = initial_value;
+        return_PTR(integer_desc);
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ut_create_buffer_object
  *
  * PARAMETERS:  buffer_size            - Size of buffer to be created