ACPICA: re-factor table init routines for benefit of iASL

Required new table init interface since iASL does not use RSDP/XSDT.
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/tables/tbxface.c

@@ -52,6 +52,29 @@ ACPI_MODULE_NAME("tbxface")
 /* Local prototypes */
 static acpi_status acpi_tb_load_namespace(void);
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_allocate_root_table
+ *
+ * PARAMETERS:  initial_table_count - Size of initial_table_array, in number of
+ *                                    struct acpi_table_desc structures
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocate a root table array. Used by i_aSL compiler and
+ *              acpi_initialize_tables.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_allocate_root_table(u32 initial_table_count)
+{
+
+	acpi_gbl_root_table_list.size = initial_table_count;
+	acpi_gbl_root_table_list.flags = ACPI_ROOT_ALLOW_RESIZE;
+
+	return (acpi_tb_resize_root_table_list());
+}
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_initialize_tables
@@ -79,7 +102,7 @@ static acpi_status acpi_tb_load_namespace(void);
  ******************************************************************************/
 
 acpi_status __init
-acpi_initialize_tables(struct acpi_table_desc *initial_table_array,
+acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
 		       u32 initial_table_count, u8 allow_resize)
 {
 	acpi_physical_address rsdp_address;
@@ -92,10 +115,7 @@ acpi_initialize_tables(struct acpi_table_desc *initial_table_array,
 	 * Allocate the table array if requested
 	 */
 	if (!initial_table_array) {
-		acpi_gbl_root_table_list.size = initial_table_count;
-		acpi_gbl_root_table_list.flags = ACPI_ROOT_ALLOW_RESIZE;
-
-		status = acpi_tb_resize_root_table_list();
+		status = acpi_allocate_root_table(initial_table_count);
 		if (ACPI_FAILURE(status)) {
 			return_ACPI_STATUS(status);
 		}

include/acpi/actables.h

@@ -44,6 +44,8 @@
 #ifndef __ACTABLES_H__
 #define __ACTABLES_H__
 
+acpi_status acpi_allocate_root_table(u32 initial_table_count);
+
 /*
  * tbfadt - FADT parse/convert/validate
  */