diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 4ef43c8ef5e7..80b68f216b46 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -162,6 +162,16 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 			return_ACPI_STATUS(AE_NOT_EXIST);
 		}
 
+		if (region_obj->region.space_id == ACPI_ADR_SPACE_PLATFORM_COMM) {
+			struct acpi_pcc_info *ctx =
+			    handler_desc->address_space.context;
+
+			ctx->internal_buffer =
+			    field_obj->field.internal_pcc_buffer;
+			ctx->length = region_obj->region.length;
+			ctx->subspace_id = region_obj->region.address;
+		}
+
 		/*
 		 * We must exit the interpreter because the region setup will
 		 * potentially execute control methods (for example, the _REG method
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 83a7ee1fbd7c..69e89d572b9e 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -1103,6 +1103,14 @@ struct acpi_connection_info {
 	u8 access_length;
 };
 
+/* Special Context data for PCC Opregion (ACPI 6.3) */
+
+struct acpi_pcc_info {
+	u8 subspace_id;
+	u16 length;
+	u8 *internal_buffer;
+};
+
 typedef
 acpi_status (*acpi_adr_space_setup) (acpi_handle region_handle,
 				     u32 function,