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>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index eca6f63a53fd..277fd609611a 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -280,23 +280,22 @@ acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer)
 {
         acpi_status status;
         acpi_integer value;
-        acpi_physical_address address;
+        u32 region_offset = 0;
         u32 i;
 
-        address = obj_desc->region.address;
-
         /* Bytewise reads */
 
         for (i = 0; i < length; i++) {
                 status = acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
-                                                        address, 8, &value);
+                                                        region_offset, 8,
+                                                        &value);
                 if (ACPI_FAILURE(status)) {
                         return status;
                 }
 
                 *buffer = (u8)value;
                 buffer++;
-                address++;
+                region_offset++;
         }
 
         return AE_OK;