14 files changed, 247 insertions, 138 deletions

diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index d4914fda6a37..5e3f63a90fb4 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -70,7 +70,7 @@ acpi_status acpi_ns_root_initialize(void)
         union acpi_operand_object *obj_desc;
         acpi_string val = NULL;
 
-        ACPI_FUNCTION_TRACE("ns_root_initialize");
+        ACPI_FUNCTION_TRACE(ns_root_initialize);
 
         status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
         if (ACPI_FAILURE(status)) {
@@ -314,7 +314,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
         u32 local_flags = flags & ~(ACPI_NS_ERROR_IF_FOUND |
                                     ACPI_NS_SEARCH_PARENT);
 
-        ACPI_FUNCTION_TRACE("ns_lookup");
+        ACPI_FUNCTION_TRACE(ns_lookup);
 
         if (!return_node) {
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -615,7 +615,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
                         /* Complain about a type mismatch */
 
                         ACPI_WARNING((AE_INFO,
-                                      "ns_lookup: Type mismatch on %4.4s (%s), searching for (%s)",
+                                      "NsLookup: Type mismatch on %4.4s (%s), searching for (%s)",
                                       ACPI_CAST_PTR(char, &simple_name),
                                       acpi_ut_get_type_name(this_node->type),
                                       acpi_ut_get_type_name
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index c92c03693a16..dc3f0739a46b 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -62,7 +62,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name)
 {
         struct acpi_namespace_node *node;
 
-        ACPI_FUNCTION_TRACE("ns_create_node");
+        ACPI_FUNCTION_TRACE(ns_create_node);
 
         node = acpi_os_acquire_object(acpi_gbl_namespace_cache);
         if (!node) {
@@ -94,7 +94,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
         struct acpi_namespace_node *prev_node;
         struct acpi_namespace_node *next_node;
 
-        ACPI_FUNCTION_TRACE_PTR("ns_delete_node", node);
+        ACPI_FUNCTION_TRACE_PTR(ns_delete_node, node);
 
         parent_node = acpi_ns_get_parent_node(node);
 
@@ -167,7 +167,7 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
         acpi_owner_id owner_id = 0;
         struct acpi_namespace_node *child_node;
 
-        ACPI_FUNCTION_TRACE("ns_install_node");
+        ACPI_FUNCTION_TRACE(ns_install_node);
 
         /*
          * Get the owner ID from the Walk state
@@ -234,7 +234,7 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
         struct acpi_namespace_node *next_node;
         u8 flags;
 
-        ACPI_FUNCTION_TRACE_PTR("ns_delete_children", parent_node);
+        ACPI_FUNCTION_TRACE_PTR(ns_delete_children, parent_node);
 
         if (!parent_node) {
                 return_VOID;
@@ -313,7 +313,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
         struct acpi_namespace_node *child_node = NULL;
         u32 level = 1;
 
-        ACPI_FUNCTION_TRACE("ns_delete_namespace_subtree");
+        ACPI_FUNCTION_TRACE(ns_delete_namespace_subtree);
 
         if (!parent_node) {
                 return_VOID;
@@ -395,7 +395,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
         u32 level;
         struct acpi_namespace_node *parent_node;
 
-        ACPI_FUNCTION_TRACE_U32("ns_delete_namespace_by_owner", owner_id);
+        ACPI_FUNCTION_TRACE_U32(ns_delete_namespace_by_owner, owner_id);
 
         if (owner_id == 0) {
                 return_VOID;
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index 5662d2def62f..d72df66aa965 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -75,7 +75,7 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname)
 {
         acpi_native_uint i;
 
-        ACPI_FUNCTION_NAME("ns_print_pathname");
+        ACPI_FUNCTION_NAME(ns_print_pathname);
 
         if (!(acpi_dbg_level & ACPI_LV_NAMES)
             || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
@@ -123,7 +123,7 @@ void
 acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
 {
 
-        ACPI_FUNCTION_TRACE("ns_dump_pathname");
+        ACPI_FUNCTION_TRACE(ns_dump_pathname);
 
         /* Do this only if the requested debug level and component are enabled */
 
@@ -167,7 +167,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
         u32 dbg_level;
         u32 i;
 
-        ACPI_FUNCTION_NAME("ns_dump_one_object");
+        ACPI_FUNCTION_NAME(ns_dump_one_object);
 
         /* Is output enabled? */
 
@@ -675,7 +675,7 @@ void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
 {
         acpi_handle search_handle = search_base;
 
-        ACPI_FUNCTION_TRACE("ns_dump_tables");
+        ACPI_FUNCTION_TRACE(ns_dump_tables);
 
         if (!acpi_gbl_root_node) {
                 /*
diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/namespace/nsdumpdv.c
index 2b311da01ef5..c6bf5d30fca3 100644
--- a/drivers/acpi/namespace/nsdumpdv.c
+++ b/drivers/acpi/namespace/nsdumpdv.c
@@ -74,7 +74,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
         acpi_status status;
         u32 i;
 
-        ACPI_FUNCTION_NAME("ns_dump_one_device");
+        ACPI_FUNCTION_NAME(ns_dump_one_device);
 
         status =
             acpi_ns_dump_one_object(obj_handle, level, context, return_value);
@@ -115,7 +115,7 @@ void acpi_ns_dump_root_devices(void)
         acpi_handle sys_bus_handle;
         acpi_status status;
 
-        ACPI_FUNCTION_NAME("ns_dump_root_devices");
+        ACPI_FUNCTION_NAME(ns_dump_root_devices);
 
         /* Only dump the table if tracing is enabled */
 
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index f5d8e71b82cc..4b054062b46a 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -85,7 +85,7 @@ acpi_ns_evaluate_relative(char *pathname, struct acpi_parameter_info *info)
         union acpi_generic_state *scope_info;
         char *internal_path = NULL;
 
-        ACPI_FUNCTION_TRACE("ns_evaluate_relative");
+        ACPI_FUNCTION_TRACE(ns_evaluate_relative);
 
         /*
          * Must have a valid object handle
@@ -182,7 +182,7 @@ acpi_ns_evaluate_by_name(char *pathname, struct acpi_parameter_info *info)
         acpi_status status;
         char *internal_path = NULL;
 
-        ACPI_FUNCTION_TRACE("ns_evaluate_by_name");
+        ACPI_FUNCTION_TRACE(ns_evaluate_by_name);
 
         /* Build an internal name string for the method */
 
@@ -262,7 +262,7 @@ acpi_status acpi_ns_evaluate_by_handle(struct acpi_parameter_info *info)
 {
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("ns_evaluate_by_handle");
+        ACPI_FUNCTION_TRACE(ns_evaluate_by_handle);
 
         /* Check if namespace has been initialized */
 
@@ -368,7 +368,7 @@ acpi_ns_execute_control_method(struct acpi_parameter_info *info)
 {
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("ns_execute_control_method");
+        ACPI_FUNCTION_TRACE(ns_execute_control_method);
 
         /* Verify that there is a method associated with this object */
 
@@ -436,7 +436,7 @@ static acpi_status acpi_ns_get_object_value(struct acpi_parameter_info *info)
         acpi_status status = AE_OK;
         struct acpi_namespace_node *resolved_node = info->node;
 
-        ACPI_FUNCTION_TRACE("ns_get_object_value");
+        ACPI_FUNCTION_TRACE(ns_get_object_value);
 
         /*
          * Objects require additional resolution steps (e.g., the Node may be a
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index 57b2537643c7..bf1d8dbc0b86 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -58,6 +58,10 @@ static acpi_status
 acpi_ns_init_one_device(acpi_handle obj_handle,
                         u32 nesting_level, void *context, void **return_value);
 
+static acpi_status
+acpi_ns_find_ini_methods(acpi_handle obj_handle,
+                         u32 nesting_level, void *context, void **return_value);
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_initialize_objects
@@ -76,7 +80,7 @@ acpi_status acpi_ns_initialize_objects(void)
         acpi_status status;
         struct acpi_init_walk_info info;
 
-        ACPI_FUNCTION_TRACE("ns_initialize_objects");
+        ACPI_FUNCTION_TRACE(ns_initialize_objects);
 
         ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
                           "**** Starting initialization of namespace objects ****\n"));
@@ -93,7 +97,7 @@ acpi_status acpi_ns_initialize_objects(void)
                                      ACPI_UINT32_MAX, acpi_ns_init_one_object,
                                      &info, NULL);
         if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace"));
+                ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
         }
 
         ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
@@ -133,7 +137,7 @@ acpi_status acpi_ns_initialize_devices(void)
         acpi_status status;
         struct acpi_device_walk_info info;
 
-        ACPI_FUNCTION_TRACE("ns_initialize_devices");
+        ACPI_FUNCTION_TRACE(ns_initialize_devices);
 
         /* Init counters */
 
@@ -142,28 +146,29 @@ acpi_status acpi_ns_initialize_devices(void)
         info.num_INI = 0;
 
         ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-                              "Executing all Device _STA and_INI methods:"));
+                              "Initializing Device/Processor/Thermal objects by executing _INI methods:"));
+
+        /* Tree analysis: find all subtrees that contain _INI methods */
 
-        status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+        status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
+                                        ACPI_UINT32_MAX, FALSE,
+                                        acpi_ns_find_ini_methods, &info, NULL);
         if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
+                ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
         }
 
-        /* Walk namespace for all objects */
+        /* Walk namespace to execute all _INIs on present devices */
 
         status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
-                                        ACPI_UINT32_MAX, TRUE,
+                                        ACPI_UINT32_MAX, FALSE,
                                         acpi_ns_init_one_device, &info, NULL);
-
-        (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-
         if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace"));
+                ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
         }
 
         ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-                              "\n%hd Devices found - executed %hd _STA, %hd _INI methods\n",
-                              info.device_count, info.num_STA, info.num_INI));
+                              "\nExecuted %hd _INI methods requiring %hd _STA executions (examined %hd objects)\n",
+                              info.num_INI, info.num_STA, info.device_count));
 
         return_ACPI_STATUS(status);
 }
@@ -200,7 +205,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
             (struct acpi_namespace_node *)obj_handle;
         union acpi_operand_object *obj_desc;
 
-        ACPI_FUNCTION_NAME("ns_init_one_object");
+        ACPI_FUNCTION_NAME(ns_init_one_object);
 
         info->object_count++;
 
@@ -311,6 +316,72 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ns_find_ini_methods
+ *
+ * PARAMETERS:  acpi_walk_callback
+ *
+ * RETURN:      acpi_status
+ *
+ * DESCRIPTION: Called during namespace walk. Finds objects named _INI under
+ *              device/processor/thermal objects, and marks the entire subtree
+ *              with a SUBTREE_HAS_INI flag. This flag is used during the
+ *              subsequent device initialization walk to avoid entire subtrees
+ *              that do not contain an _INI.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_find_ini_methods(acpi_handle obj_handle,
+                         u32 nesting_level, void *context, void **return_value)
+{
+        struct acpi_device_walk_info *info =
+            ACPI_CAST_PTR(struct acpi_device_walk_info, context);
+        struct acpi_namespace_node *node;
+        struct acpi_namespace_node *parent_node;
+
+        /* Keep count of device/processor/thermal objects */
+
+        node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
+        if ((node->type == ACPI_TYPE_DEVICE) ||
+            (node->type == ACPI_TYPE_PROCESSOR) ||
+            (node->type == ACPI_TYPE_THERMAL)) {
+                info->device_count++;
+                return (AE_OK);
+        }
+
+        /* We are only looking for methods named _INI */
+
+        if (!ACPI_COMPARE_NAME(node->name.ascii, METHOD_NAME__INI)) {
+                return (AE_OK);
+        }
+
+        /*
+         * The only _INI methods that we care about are those that are
+         * present under Device, Processor, and Thermal objects.
+         */
+        parent_node = acpi_ns_get_parent_node(node);
+        switch (parent_node->type) {
+        case ACPI_TYPE_DEVICE:
+        case ACPI_TYPE_PROCESSOR:
+        case ACPI_TYPE_THERMAL:
+
+                /* Mark parent and bubble up the INI present flag to the root */
+
+                while (parent_node) {
+                        parent_node->flags |= ANOBJ_SUBTREE_HAS_INI;
+                        parent_node = acpi_ns_get_parent_node(parent_node);
+                }
+                break;
+
+        default:
+                break;
+        }
+
+        return (AE_OK);
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ns_init_one_device
  *
  * PARAMETERS:  acpi_walk_callback
@@ -328,64 +399,49 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
                         u32 nesting_level, void *context, void **return_value)
 {
         struct acpi_device_walk_info *info =
-            (struct acpi_device_walk_info *)context;
+            ACPI_CAST_PTR(struct acpi_device_walk_info, context);
         struct acpi_parameter_info pinfo;
         u32 flags;
         acpi_status status;
-        struct acpi_namespace_node *ini_node;
         struct acpi_namespace_node *device_node;
 
-        ACPI_FUNCTION_TRACE("ns_init_one_device");
+        ACPI_FUNCTION_TRACE(ns_init_one_device);
 
-        device_node = acpi_ns_map_handle_to_node(obj_handle);
-        if (!device_node) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
+        /* We are interested in Devices, Processors and thermal_zones only */
 
-        /*
-         * We will run _STA/_INI on Devices, Processors and thermal_zones only
-         */
+        device_node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
         if ((device_node->type != ACPI_TYPE_DEVICE) &&
             (device_node->type != ACPI_TYPE_PROCESSOR) &&
             (device_node->type != ACPI_TYPE_THERMAL)) {
                 return_ACPI_STATUS(AE_OK);
         }
 
-        if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) &&
-            (!(acpi_dbg_level & ACPI_LV_INFO))) {
-                ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
-        }
-
-        info->device_count++;
-
         /*
-         * Check if the _INI method exists for this device -
-         * if _INI does not exist, there is no need to run _STA
-         * No _INI means device requires no initialization
+         * Because of an earlier namespace analysis, all subtrees that contain an
+         * _INI method are tagged.
+         *
+         * If this device subtree does not contain any _INI methods, we
+         * can exit now and stop traversing this entire subtree.
          */
-        status = acpi_ns_search_node(*ACPI_CAST_PTR(u32, METHOD_NAME__INI),
-                                     device_node, ACPI_TYPE_METHOD, &ini_node);
-        if (ACPI_FAILURE(status)) {
-
-                /* No _INI method found - move on to next device */
-
-                return_ACPI_STATUS(AE_OK);
+        if (!(device_node->flags & ANOBJ_SUBTREE_HAS_INI)) {
+                return_ACPI_STATUS(AE_CTRL_DEPTH);
         }
 
         /*
-         * Run _STA to determine if we can run _INI on the device -
-         * the device must be present before _INI can be run.
-         * However, _STA is not required - assume device present if no _STA
+         * Run _STA to determine if this device is present and functioning. We
+         * must know this information for two important reasons (from ACPI spec):
+         *
+         * 1) We can only run _INI if the device is present.
+         * 2) We must abort the device tree walk on this subtree if the device is
+         *    not present and is not functional (we will not examine the children)
+         *
+         * The _STA method is not required to be present under the device, we
+         * assume the device is present if _STA does not exist.
          */
-        ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD,
-                                                      device_node,
-                                                      METHOD_NAME__STA));
+        ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+                        (ACPI_TYPE_METHOD, device_node, METHOD_NAME__STA));
 
-        pinfo.node = device_node;
-        pinfo.parameters = NULL;
-        pinfo.parameter_type = ACPI_PARAM_ARGS;
-
-        status = acpi_ut_execute_STA(pinfo.node, &flags);
+        status = acpi_ut_execute_STA(device_node, &flags);
         if (ACPI_FAILURE(status)) {
 
                 /* Ignore error and move on to next device */
@@ -393,55 +449,108 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
                 return_ACPI_STATUS(AE_OK);
         }
 
+        /*
+         * Flags == -1 means that _STA was not found. In this case, we assume that
+         * the device is both present and functional.
+         *
+         * From the ACPI spec, description of _STA:
+         *
+         * "If a device object (including the processor object) does not have an
+         * _STA object, then OSPM assumes that all of the above bits are set (in
+         * other words, the device is present, ..., and functioning)"
+         */
         if (flags != ACPI_UINT32_MAX) {
                 info->num_STA++;
         }
 
+        /*
+         * Examine the PRESENT and FUNCTIONING status bits
+         *
+         * Note: ACPI spec does not seem to specify behavior for the present but
+         * not functioning case, so we assume functioning if present.
+         */
         if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
 
-                /* Don't look at children of a not present device */
-
-                return_ACPI_STATUS(AE_CTRL_DEPTH);
+                /* Device is not present, we must examine the Functioning bit */
+
+                if (flags & ACPI_STA_DEVICE_FUNCTIONING) {
+                        /*
+                         * Device is not present but is "functioning". In this case,
+                         * we will not run _INI, but we continue to examine the children
+                         * of this device.
+                         *
+                         * From the ACPI spec, description of _STA: (Note - no mention
+                         * of whether to run _INI or not on the device in question)
+                         *
+                         * "_STA may return bit 0 clear (not present) with bit 3 set
+                         * (device is functional). This case is used to indicate a valid
+                         * device for which no device driver should be loaded (for example,
+                         * a bridge device.) Children of this device may be present and
+                         * valid. OSPM should continue enumeration below a device whose
+                         * _STA returns this bit combination"
+                         */
+                        return_ACPI_STATUS(AE_OK);
+                } else {
+                        /*
+                         * Device is not present and is not functioning. We must abort the
+                         * walk of this subtree immediately -- don't look at the children
+                         * of such a device.
+                         *
+                         * From the ACPI spec, description of _INI:
+                         *
+                         * "If the _STA method indicates that the device is not present,
+                         * OSPM will not run the _INI and will not examine the children
+                         * of the device for _INI methods"
+                         */
+                        return_ACPI_STATUS(AE_CTRL_DEPTH);
+                }
         }
 
         /*
-         * The device is present and _INI exists. Run the _INI method.
-         * (We already have the _INI node from above)
+         * The device is present or is assumed present if no _STA exists.
+         * Run the _INI if it exists (not required to exist)
+         *
+         * 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.
          */
-        ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD,
-                                                      pinfo.node,
-                                                      METHOD_NAME__INI));
+        ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+                        (ACPI_TYPE_METHOD, device_node, METHOD_NAME__INI));
 
-        pinfo.node = ini_node;
-        status = acpi_ns_evaluate_by_handle(&pinfo);
-        if (ACPI_FAILURE(status)) {
-
-                /* Ignore error and move on to next device */
-
-#ifdef ACPI_DEBUG_OUTPUT
-                char *scope_name = acpi_ns_get_external_pathname(ini_node);
+        pinfo.node = device_node;
+        pinfo.parameters = NULL;
+        pinfo.parameter_type = ACPI_PARAM_ARGS;
 
-                ACPI_WARNING((AE_INFO, "%s._INI failed: %s",
-                              scope_name, acpi_format_exception(status)));
+        status = acpi_ns_evaluate_relative(METHOD_NAME__INI, &pinfo);
+        if (ACPI_SUCCESS(status)) {
 
-                ACPI_FREE(scope_name);
-#endif
-        } else {
                 /* Delete any return object (especially if implicit_return is enabled) */
 
                 if (pinfo.return_object) {
                         acpi_ut_remove_reference(pinfo.return_object);
                 }
 
-                /* Count of successful INIs */
-
                 info->num_INI++;
+                if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) &&
+                    (!(acpi_dbg_level & ACPI_LV_INFO))) {
+                        ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
+                }
         }
+#ifdef ACPI_DEBUG_OUTPUT
+        else if (status != AE_NOT_FOUND) {
 
-        if (acpi_gbl_init_handler) {
+                /* Ignore error and move on to next device */
+
+                char *scope_name = acpi_ns_get_external_pathname(pinfo.node);
 
-                /* External initialization handler is present, call it */
+                ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution",
+                                scope_name));
+                ACPI_FREE(scope_name);
+        }
+#endif
 
+        /* If an external initialization handler is present, call it */
+
+        if (acpi_gbl_init_handler) {
                 status =
                     acpi_gbl_init_handler(pinfo.node, ACPI_INIT_DEVICE_INI);
         }
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 80acfd35f3ec..fe75d888e183 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -77,7 +77,7 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc,
 {
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("ns_load_table");
+        ACPI_FUNCTION_TRACE(ns_load_table);
 
         /* Check if table contains valid AML (must be DSDT, PSDT, SSDT, etc.) */
 
@@ -169,7 +169,7 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
         acpi_status status;
         struct acpi_table_desc *table_desc;
 
-        ACPI_FUNCTION_TRACE("ns_load_table_by_type");
+        ACPI_FUNCTION_TRACE(ns_load_table_by_type);
 
         status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
         if (ACPI_FAILURE(status)) {
@@ -181,11 +181,11 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
          * DSDT (one), SSDT/PSDT (multiple)
          */
         switch (table_type) {
-        case ACPI_TABLE_DSDT:
+        case ACPI_TABLE_ID_DSDT:
 
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace load: DSDT\n"));
 
-                table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next;
+                table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_DSDT].next;
 
                 /* If table already loaded into namespace, just return */
 
@@ -201,8 +201,8 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
                 }
                 break;
 
-        case ACPI_TABLE_SSDT:
-        case ACPI_TABLE_PSDT:
+        case ACPI_TABLE_ID_SSDT:
+        case ACPI_TABLE_ID_PSDT:
 
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                   "Namespace load: %d SSDT or PSDTs\n",
@@ -259,7 +259,7 @@ acpi_status acpi_ns_load_namespace(void)
 {
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("acpi_load_name_space");
+        ACPI_FUNCTION_TRACE(acpi_load_name_space);
 
         /* There must be at least a DSDT installed */
 
@@ -272,15 +272,15 @@ acpi_status acpi_ns_load_namespace(void)
          * Load the namespace.  The DSDT is required,
          * but the SSDT and PSDT tables are optional.
          */
-        status = acpi_ns_load_table_by_type(ACPI_TABLE_DSDT);
+        status = acpi_ns_load_table_by_type(ACPI_TABLE_ID_DSDT);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
 
         /* Ignore exceptions from these */
 
-        (void)acpi_ns_load_table_by_type(ACPI_TABLE_SSDT);
-        (void)acpi_ns_load_table_by_type(ACPI_TABLE_PSDT);
+        (void)acpi_ns_load_table_by_type(ACPI_TABLE_ID_SSDT);
+        (void)acpi_ns_load_table_by_type(ACPI_TABLE_ID_PSDT);
 
         ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
                               "ACPI Namespace successfully loaded at root %p\n",
@@ -315,7 +315,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
         acpi_handle dummy;
         u32 level;
 
-        ACPI_FUNCTION_TRACE("ns_delete_subtree");
+        ACPI_FUNCTION_TRACE(ns_delete_subtree);
 
         parent_handle = start_handle;
         child_handle = NULL;
@@ -395,7 +395,7 @@ acpi_status acpi_ns_unload_namespace(acpi_handle handle)
 {
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("ns_unload_name_space");
+        ACPI_FUNCTION_TRACE(ns_unload_name_space);
 
         /* Parameter validation */
 
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index ba812f43897f..97b8332c9746 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -132,7 +132,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
         char *name_buffer;
         acpi_size size;
 
-        ACPI_FUNCTION_TRACE_PTR("ns_get_external_pathname", node);
+        ACPI_FUNCTION_TRACE_PTR(ns_get_external_pathname, node);
 
         /* Calculate required buffer size based on depth below root */
 
@@ -213,7 +213,7 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
         struct acpi_namespace_node *node;
         acpi_size required_size;
 
-        ACPI_FUNCTION_TRACE_PTR("ns_handle_to_pathname", target_handle);
+        ACPI_FUNCTION_TRACE_PTR(ns_handle_to_pathname, target_handle);
 
         node = acpi_ns_map_handle_to_node(target_handle);
         if (!node) {
diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c
index 39dc87b228fc..aabe8794b908 100644
--- a/drivers/acpi/namespace/nsobject.c
+++ b/drivers/acpi/namespace/nsobject.c
@@ -76,7 +76,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
         union acpi_operand_object *last_obj_desc;
         acpi_object_type object_type = ACPI_TYPE_ANY;
 
-        ACPI_FUNCTION_TRACE("ns_attach_object");
+        ACPI_FUNCTION_TRACE(ns_attach_object);
 
         /*
          * Parameter validation
@@ -85,7 +85,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
 
                 /* Invalid handle */
 
-                ACPI_ERROR((AE_INFO, "Null named_obj handle"));
+                ACPI_ERROR((AE_INFO, "Null NamedObj handle"));
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
@@ -111,7 +111,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
 
         if (node->object == object) {
                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-                                  "Obj %p already installed in name_obj %p\n",
+                                  "Obj %p already installed in NameObj %p\n",
                                   object, node));
 
                 return_ACPI_STATUS(AE_OK);
@@ -204,7 +204,7 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node)
 {
         union acpi_operand_object *obj_desc;
 
-        ACPI_FUNCTION_TRACE("ns_detach_object");
+        ACPI_FUNCTION_TRACE(ns_detach_object);
 
         obj_desc = node->object;
 
@@ -255,7 +255,7 @@ union acpi_operand_object *acpi_ns_get_attached_object(struct
                                                        acpi_namespace_node
                                                        *node)
 {
-        ACPI_FUNCTION_TRACE_PTR("ns_get_attached_object", node);
+        ACPI_FUNCTION_TRACE_PTR(ns_get_attached_object, node);
 
         if (!node) {
                 ACPI_WARNING((AE_INFO, "Null Node ptr"));
@@ -290,7 +290,7 @@ union acpi_operand_object *acpi_ns_get_secondary_object(union
                                                         acpi_operand_object
                                                         *obj_desc)
 {
-        ACPI_FUNCTION_TRACE_PTR("ns_get_secondary_object", obj_desc);
+        ACPI_FUNCTION_TRACE_PTR(ns_get_secondary_object, obj_desc);
 
         if ((!obj_desc) ||
             (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) ||
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index 64daf3028dea..155505a4ef69 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -68,7 +68,7 @@ acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc)
         acpi_status status;
         struct acpi_walk_state *walk_state;
 
-        ACPI_FUNCTION_TRACE("ns_one_complete_parse");
+        ACPI_FUNCTION_TRACE(ns_one_complete_parse);
 
         /* Create and init a Root Node */
 
@@ -124,7 +124,7 @@ acpi_ns_parse_table(struct acpi_table_desc *table_desc,
 {
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("ns_parse_table");
+        ACPI_FUNCTION_TRACE(ns_parse_table);
 
         /*
          * AML Parse, pass 1
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index 51adec5a23d6..34ac512a2d5e 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -89,7 +89,7 @@ acpi_ns_search_node(u32 target_name,
 {
         struct acpi_namespace_node *next_node;
 
-        ACPI_FUNCTION_TRACE("ns_search_node");
+        ACPI_FUNCTION_TRACE(ns_search_node);
 
 #ifdef ACPI_DEBUG_OUTPUT
         if (ACPI_LV_NAMES & acpi_dbg_level) {
@@ -203,7 +203,7 @@ acpi_ns_search_parent_tree(u32 target_name,
         acpi_status status;
         struct acpi_namespace_node *parent_node;
 
-        ACPI_FUNCTION_TRACE("ns_search_parent_tree");
+        ACPI_FUNCTION_TRACE(ns_search_parent_tree);
 
         parent_node = acpi_ns_get_parent_node(node);
 
@@ -293,13 +293,13 @@ acpi_ns_search_and_enter(u32 target_name,
         acpi_status status;
         struct acpi_namespace_node *new_node;
 
-        ACPI_FUNCTION_TRACE("ns_search_and_enter");
+        ACPI_FUNCTION_TRACE(ns_search_and_enter);
 
         /* Parameter validation */
 
         if (!node || !target_name || !return_node) {
                 ACPI_ERROR((AE_INFO,
-                            "Null param: Node %p Name %X return_node %p",
+                            "Null param: Node %p Name %X ReturnNode %p",
                             node, target_name, return_node));
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c
index 9fa38ffc2e6e..d1d55032b455 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/namespace/nsutils.c
@@ -241,7 +241,7 @@ static u8 acpi_ns_valid_path_separator(char sep)
 
 acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node)
 {
-        ACPI_FUNCTION_TRACE("ns_get_type");
+        ACPI_FUNCTION_TRACE(ns_get_type);
 
         if (!node) {
                 ACPI_WARNING((AE_INFO, "Null Node parameter"));
@@ -266,7 +266,7 @@ acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node)
 
 u32 acpi_ns_local(acpi_object_type type)
 {
-        ACPI_FUNCTION_TRACE("ns_local");
+        ACPI_FUNCTION_TRACE(ns_local);
 
         if (!acpi_ut_valid_object_type(type)) {
 
@@ -366,7 +366,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
         char *result = NULL;
         acpi_native_uint i;
 
-        ACPI_FUNCTION_TRACE("ns_build_internal_name");
+        ACPI_FUNCTION_TRACE(ns_build_internal_name);
 
         /* Setup the correct prefixes, counts, and pointers */
 
@@ -477,7 +477,7 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
         struct acpi_namestring_info info;
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("ns_internalize_name");
+        ACPI_FUNCTION_TRACE(ns_internalize_name);
 
         if ((!external_name) || (*external_name == 0) || (!converted_name)) {
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -537,7 +537,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
         acpi_native_uint i = 0;
         acpi_native_uint j = 0;
 
-        ACPI_FUNCTION_TRACE("ns_externalize_name");
+        ACPI_FUNCTION_TRACE(ns_externalize_name);
 
         if (!internal_name_length || !internal_name || !converted_name) {
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -756,7 +756,7 @@ void acpi_ns_terminate(void)
 {
         union acpi_operand_object *obj_desc;
 
-        ACPI_FUNCTION_TRACE("ns_terminate");
+        ACPI_FUNCTION_TRACE(ns_terminate);
 
         /*
          * 1) Free the entire namespace -- all nodes and objects
@@ -796,7 +796,7 @@ void acpi_ns_terminate(void)
 
 u32 acpi_ns_opens_scope(acpi_object_type type)
 {
-        ACPI_FUNCTION_TRACE_STR("ns_opens_scope", acpi_ut_get_type_name(type));
+        ACPI_FUNCTION_TRACE_STR(ns_opens_scope, acpi_ut_get_type_name(type));
 
         if (!acpi_ut_valid_object_type(type)) {
 
@@ -840,7 +840,7 @@ acpi_ns_get_node_by_path(char *pathname,
         acpi_status status;
         char *internal_path = NULL;
 
-        ACPI_FUNCTION_TRACE_PTR("ns_get_node_by_path", pathname);
+        ACPI_FUNCTION_TRACE_PTR(ns_get_node_by_path, pathname);
 
         if (pathname) {
 
@@ -966,7 +966,7 @@ acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node * child_node)
 {
         struct acpi_namespace_node *parent_node;
 
-        ACPI_FUNCTION_TRACE("ns_find_parent_name");
+        ACPI_FUNCTION_TRACE(ns_find_parent_name);
 
         if (child_node) {
 
diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/namespace/nswalk.c
index 6bbc734bfee2..c8f6bef16ed0 100644
--- a/drivers/acpi/namespace/nswalk.c
+++ b/drivers/acpi/namespace/nswalk.c
@@ -164,7 +164,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
         acpi_object_type child_type;
         u32 level;
 
-        ACPI_FUNCTION_TRACE("ns_walk_namespace");
+        ACPI_FUNCTION_TRACE(ns_walk_namespace);
 
         /* Special case for the namespace Root Node */
 
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index 7cdedc96a40a..998b29611b19 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -80,7 +80,7 @@ acpi_evaluate_object_typed(acpi_handle handle,
         acpi_status status;
         u8 must_free = FALSE;
 
-        ACPI_FUNCTION_TRACE("acpi_evaluate_object_typed");
+        ACPI_FUNCTION_TRACE(acpi_evaluate_object_typed);
 
         /* Return buffer must be valid */
 
@@ -175,7 +175,7 @@ acpi_evaluate_object(acpi_handle handle,
         acpi_size buffer_space_needed;
         u32 i;
 
-        ACPI_FUNCTION_TRACE("acpi_evaluate_object");
+        ACPI_FUNCTION_TRACE(acpi_evaluate_object);
 
         info.node = handle;
         info.parameters = NULL;
@@ -395,7 +395,7 @@ acpi_walk_namespace(acpi_object_type type,
 {
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("acpi_walk_namespace");
+        ACPI_FUNCTION_TRACE(acpi_walk_namespace);
 
         /* Parameter validation */
 
@@ -553,7 +553,7 @@ acpi_get_devices(char *HID,
         acpi_status status;
         struct acpi_get_devices_info info;
 
-        ACPI_FUNCTION_TRACE("acpi_get_devices");
+        ACPI_FUNCTION_TRACE(acpi_get_devices);
 
         /* Parameter validation */