Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index d77257d..61e9dfc 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -3,7 +3,7 @@
*
* Module Name: nsinit - namespace initialization
*
- * Copyright (C) 2000 - 2018, Intel Corp.
+ * Copyright (C) 2000 - 2019, Intel Corp.
*
*****************************************************************************/
@@ -55,14 +55,19 @@
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"**** Starting initialization of namespace objects ****\n"));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "Completing Region/Field/Buffer/Package initialization:\n"));
+ "Final data object initialization: "));
- /* Set all init info to zero */
+ /* Clear the info block */
memset(&info, 0, sizeof(struct acpi_init_walk_info));
/* Walk entire namespace from the supplied root */
+ /*
+ * TBD: will become ACPI_TYPE_PACKAGE as this type object
+ * is now the only one that supports deferred initialization
+ * (forward references).
+ */
status = acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, acpi_ns_init_one_object,
NULL, &info, NULL);
@@ -71,13 +76,8 @@
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- " Initialized %u/%u Regions %u/%u Fields %u/%u "
- "Buffers %u/%u Packages (%u nodes)\n",
- info.op_region_init, info.op_region_count,
- info.field_init, info.field_count,
- info.buffer_init, info.buffer_count,
- info.package_init, info.package_count,
- info.object_count));
+ "Namespace contains %u (0x%X) objects\n",
+ info.object_count, info.object_count));
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"%u Control Methods found\n%u Op Regions found\n",
@@ -382,34 +382,18 @@
acpi_ex_enter_interpreter();
/*
- * Each of these types can contain executable AML code within the
- * declaration.
+ * Only initialization of Package objects can be deferred, in order
+ * to support forward references.
*/
switch (type) {
- case ACPI_TYPE_REGION:
-
- info->op_region_init++;
- status = acpi_ds_get_region_arguments(obj_desc);
- break;
-
- case ACPI_TYPE_BUFFER_FIELD:
-
- info->field_init++;
- status = acpi_ds_get_buffer_field_arguments(obj_desc);
- break;
-
case ACPI_TYPE_LOCAL_BANK_FIELD:
+ /* TBD: bank_fields do not require deferred init, remove this code */
+
info->field_init++;
status = acpi_ds_get_bank_field_arguments(obj_desc);
break;
- case ACPI_TYPE_BUFFER:
-
- info->buffer_init++;
- status = acpi_ds_get_buffer_arguments(obj_desc);
- break;
-
case ACPI_TYPE_PACKAGE:
/* Complete the initialization/resolution of the package object */
@@ -421,8 +405,13 @@
default:
- /* No other types can get here */
+ /* No other types should get here */
+ status = AE_TYPE;
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Opcode is not deferred [%4.4s] (%s)",
+ acpi_ut_get_node_name(node),
+ acpi_ut_get_type_name(type)));
break;
}
@@ -478,7 +467,7 @@
/* We are only looking for methods named _INI */
- if (!ACPI_COMPARE_NAME(node->name.ascii, METHOD_NAME__INI)) {
+ if (!ACPI_COMPARE_NAMESEG(node->name.ascii, METHOD_NAME__INI)) {
return (AE_OK);
}
@@ -641,7 +630,7 @@
* Note: We know there is an _INI within this subtree, but it may not be
* under this particular device, it may be lower in the branch.
*/
- if (!ACPI_COMPARE_NAME(device_node->name.ascii, "_SB_") ||
+ if (!ACPI_COMPARE_NAMESEG(device_node->name.ascii, "_SB_") ||
device_node->parent != acpi_gbl_root_node) {
ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
(ACPI_TYPE_METHOD, device_node,