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>

2 files changed, 27 insertions, 5 deletions

diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 94544a60640d..9d451e8a4e46 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -54,6 +54,29 @@ 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
  *
  * PARAMETERS:  initial_table_array - Pointer to an array of pre-allocated
@@ -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);
                 }
diff --git a/include/acpi/actables.h b/include/acpi/actables.h
index 62947344b93a..99fa51a59a50 100644
--- a/include/acpi/actables.h
+++ b/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
  */