ACPICA: Simplify internal operation region interface

Changed address parameter to a simple offset. This removes the
need for the caller to access the region object to obtain the
physical address.

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>

drivers/acpi/acpica/evregion.c

@@ -275,7 +275,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
  *
  * PARAMETERS:  region_obj          - Internal region object
  *              Function            - Read or Write operation
- *              Address             - Where in the space to read or write
+ *              region_offset       - Where in the region to read or write
  *              bit_width           - Field width in bits (8, 16, 32, or 64)
  *              Value               - Pointer to in or out value, must be
  *                                    full 64-bit acpi_integer
@@ -290,7 +290,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
 acpi_status
 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 			       u32 function,
-			       acpi_physical_address address,
+			       u32 region_offset,
 			       u32 bit_width, acpi_integer * value)
 {
 	acpi_status status;
@@ -396,7 +396,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 	ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
 			  "Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
 			  &region_obj->region.handler->address_space, handler,
-			  ACPI_FORMAT_NATIVE_UINT(address),
+			  ACPI_FORMAT_NATIVE_UINT(region_obj->region.address +
+						  region_offset),
 			  acpi_ut_get_region_name(region_obj->region.
 						  space_id)));
 
@@ -412,8 +413,9 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 
 	/* Call the handler */
 
-	status = handler(function, address, bit_width, value,
-			 handler_desc->address_space.context,
+	status = handler(function,
+			 (region_obj->region.address + region_offset),
+			 bit_width, value, handler_desc->address_space.context,
 			 region_obj2->extra.region_context);
 
 	if (ACPI_FAILURE(status)) {