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 eca6f63a53f..277fd609611 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;