ACPI 5.0: Implement Connection() and AccessAs() changes
Support within the interpreter and operation region dispatch.
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>
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index cc95e20..18b75fe 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -47,6 +47,7 @@
#include "acinterp.h"
#include "amlcode.h"
#include "acnamesp.h"
+#include "acdispat.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("exprep")
@@ -455,6 +456,30 @@
obj_desc->field.region_obj =
acpi_ns_get_attached_object(info->region_node);
+ /* Fields specific to generic_serial_bus fields */
+
+ obj_desc->field.access_length = info->access_length;
+
+ if (info->connection_node) {
+ second_desc = info->connection_node->object;
+ if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) {
+ status =
+ acpi_ds_get_buffer_arguments(second_desc);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ obj_desc->field.resource_buffer =
+ second_desc->buffer.pointer;
+ obj_desc->field.resource_length =
+ (u16)second_desc->buffer.length;
+ } else if (info->resource_buffer) {
+ obj_desc->field.resource_buffer = info->resource_buffer;
+ obj_desc->field.resource_length = info->resource_length;
+ }
+
/* Allow full data read from EC address space */
if ((obj_desc->field.region_obj->region.space_id ==