Merge intel.com:/home/lenb/src/linux-acpi-test-2.6.0

into intel.com:/home/lenb/bk/linux-acpi-test-2.6.0

drivers/acpi/Kconfig

@@ -280,5 +280,17 @@ config ACPI_EFI
 	depends on IA64
 	default y
 
+config ACPI_RELAXED_AML
+	bool
+	depends on ACPI_INTERPRETER
+	depends on !IA64_SGI_SN
+	default n
+	help
+	  If you say `Y' here, the ACPI interpreter will relax its checking
+	  for valid AML and will ignore some AML mistakes, such as off-by-one
+	  errors in region sizes.  Some laptops may require this option.  In
+	  particular, many Toshiba laptops require this for correct operation
+	  of the AC module.
+
 endmenu
 

drivers/acpi/dispatcher/dsfield.c

@@ -105,27 +105,33 @@ acpi_ds_create_buffer_field (
 		return_ACPI_STATUS (AE_AML_NO_OPERAND);
 	}
 
-	/*
-	 * During the load phase, we want to enter the name of the field into
-	 * the namespace.  During the execute phase (when we evaluate the size
-	 * operand), we want to lookup the name
-	 */
-	if (walk_state->parse_flags & ACPI_PARSE_EXECUTE) {
-		flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE;
+	if (walk_state->deferred_node) {
+		node = walk_state->deferred_node;
+		status = AE_OK;
 	}
 	else {
-		flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND;
-	}
+		/*
+		 * During the load phase, we want to enter the name of the field into
+		 * the namespace.  During the execute phase (when we evaluate the size
+		 * operand), we want to lookup the name
+		 */
+		if (walk_state->parse_flags & ACPI_PARSE_EXECUTE) {
+			flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE;
+		}
+		else {
+			flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND;
+		}
 
-	/*
-	 * Enter the name_string into the namespace
-	 */
-	status = acpi_ns_lookup (walk_state->scope_info, arg->common.value.string,
-			 ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS1,
-			 flags, walk_state, &(node));
-	if (ACPI_FAILURE (status)) {
-		ACPI_REPORT_NSERROR (arg->common.value.string, status);
-		return_ACPI_STATUS (status);
+		/*
+		 * Enter the name_string into the namespace
+		 */
+		status = acpi_ns_lookup (walk_state->scope_info, arg->common.value.string,
+				 ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS1,
+				 flags, walk_state, &(node));
+		if (ACPI_FAILURE (status)) {
+			ACPI_REPORT_NSERROR (arg->common.value.string, status);
+			return_ACPI_STATUS (status);
+		}
 	}
 
 	/* We could put the returned object (Node) on the object stack for later, but

drivers/acpi/dispatcher/dsinit.c

@@ -135,7 +135,7 @@ acpi_ds_init_one_object (
 		}
 
 		/*
-		 * Always parse methods to detect errors, we may delete
+		 * Always parse methods to detect errors, we will delete
 		 * the parse tree below
 		 */
 		status = acpi_ds_parse_method (obj_handle);
@@ -150,7 +150,7 @@ acpi_ds_init_one_object (
 		}
 
 		/*
-		 * Delete the parse tree.  We simple re-parse the method
+		 * Delete the parse tree.  We simply re-parse the method
 		 * for every execution since there isn't much overhead
 		 */
 		acpi_ns_delete_namespace_subtree (obj_handle);

drivers/acpi/dispatcher/dsopcode.c

@@ -65,7 +65,7 @@
  *
  * RETURN:      Status.
  *
- * DESCRIPTION: Late execution of region or field arguments
+ * DESCRIPTION: Late (deferred) execution of region or field arguments
  *
  ****************************************************************************/
 
@@ -111,7 +111,10 @@ acpi_ds_execute_arguments (
 		return_ACPI_STATUS (status);
 	}
 
+	/* Mark this parse as a deferred opcode */
+
 	walk_state->parse_flags = ACPI_PARSE_DEFERRED_OP;
+	walk_state->deferred_node = node;
 
 	/* Pass1: Parse the entire declaration */
 
@@ -128,7 +131,7 @@ acpi_ds_execute_arguments (
 	arg->common.node = node;
 	acpi_ps_delete_parse_tree (op);
 
-	/* Evaluate the address and length arguments for the Buffer Field */
+	/* Evaluate the deferred arguments */
 
 	op = acpi_ps_alloc_op (AML_INT_EVAL_SUBTREE_OP);
 	if (!op) {
@@ -144,6 +147,8 @@ acpi_ds_execute_arguments (
 		return_ACPI_STATUS (AE_NO_MEMORY);
 	}
 
+	/* Execute the opcode and arguments */
+
 	status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start,
 			  aml_length, NULL, NULL, 3);
 	if (ACPI_FAILURE (status)) {
@@ -151,6 +156,9 @@ acpi_ds_execute_arguments (
 		return_ACPI_STATUS (status);
 	}
 
+	/* Mark this execution as a deferred opcode */
+
+	walk_state->deferred_node = node;
 	status = acpi_ps_parse_aml (walk_state);
 	acpi_ps_delete_parse_tree (op);
 	return_ACPI_STATUS (status);
@@ -192,7 +200,7 @@ acpi_ds_get_buffer_field_arguments (
 	node = obj_desc->buffer_field.node;
 
 	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_BUFFER_FIELD, node, NULL));
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] buffer_field JIT Init\n",
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] buffer_field Arg Init\n",
 		node->name.ascii));
 
 	/* Execute the AML code for the term_arg arguments */
@@ -207,7 +215,7 @@ acpi_ds_get_buffer_field_arguments (
  *
  * FUNCTION:    acpi_ds_get_buffer_arguments
  *
- * PARAMETERS:  obj_desc        - A valid Bufferobject
+ * PARAMETERS:  obj_desc        - A valid Buffer object
  *
  * RETURN:      Status.
  *
@@ -240,7 +248,7 @@ acpi_ds_get_buffer_arguments (
 		return_ACPI_STATUS (AE_AML_INTERNAL);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer JIT Init\n"));
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer Arg Init\n"));
 
 	/* Execute the AML code for the term_arg arguments */
 
@@ -254,7 +262,7 @@ acpi_ds_get_buffer_arguments (
  *
  * FUNCTION:    acpi_ds_get_package_arguments
  *
- * PARAMETERS:  obj_desc        - A valid Packageobject
+ * PARAMETERS:  obj_desc        - A valid Package object
  *
  * RETURN:      Status.
  *
@@ -287,7 +295,7 @@ acpi_ds_get_package_arguments (
 		return_ACPI_STATUS (AE_AML_INTERNAL);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package JIT Init\n"));
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package Arg Init\n"));
 
 	/* Execute the AML code for the term_arg arguments */
 
@@ -335,11 +343,12 @@ acpi_ds_get_region_arguments (
 
 	node = obj_desc->region.node;
 
-	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_REGION, node, NULL));
+	ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_REGION, node, NULL));
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] op_region Init at AML %p\n",
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] op_region Arg Init at AML %p\n",
 		node->name.ascii, extra_desc->extra.aml_start));
 
+	/* Execute the argument AML */
 
 	status = acpi_ds_execute_arguments (node, acpi_ns_get_parent_node (node),
 			 extra_desc->extra.aml_length, extra_desc->extra.aml_start);
@@ -505,14 +514,16 @@ acpi_ds_init_buffer_field (
 		goto cleanup;
 	}
 
-
 	/* Entire field must fit within the current length of the buffer */
 
 	if ((bit_offset + bit_count) >
 		(8 * (u32) buffer_desc->buffer.length)) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Field size %d exceeds Buffer size %d (bits)\n",
-			 bit_offset + bit_count, 8 * (u32) buffer_desc->buffer.length));
+			"Field [%4.4s] size %d exceeds Buffer [%4.4s] size %d (bits)\n",
+			((struct acpi_namespace_node *) result_desc)->name.ascii,
+			 bit_offset + bit_count,
+			 buffer_desc->buffer.node->name.ascii,
+			 8 * (u32) buffer_desc->buffer.length));
 		status = AE_AML_BUFFER_LIMIT;
 		goto cleanup;
 	}

drivers/acpi/dispatcher/dsutils.c

@@ -53,6 +53,7 @@
 #define _COMPONENT          ACPI_DISPATCHER
 	 ACPI_MODULE_NAME    ("dsutils")
 
+
 #ifndef ACPI_NO_METHOD_EXECUTION
 
 /*******************************************************************************
@@ -196,7 +197,6 @@ acpi_ds_is_result_used (
 			acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
 
 	return_VALUE (FALSE);
-
 }
 
 
@@ -239,7 +239,6 @@ acpi_ds_delete_result_if_not_used (
 		return_VOID;
 	}
 
-
 	if (!acpi_ds_is_result_used (op, walk_state)) {
 		/*
 		 * Must pop the result stack (obj_desc should be equal to result_obj)
@@ -389,61 +388,77 @@ acpi_ds_create_operand (
 		 * in name_string
 		 */
 
+
 		/*
-		 * Differentiate between a namespace "create" operation
-		 * versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
-		 * IMODE_EXECUTE) in order to support the creation of
-		 * namespace objects during the execution of control methods.
+		 * Special handling for buffer_field declarations. This is a deferred
+		 * opcode that unfortunately defines the field name as the last
+		 * parameter instead of the first.  We get here when we are performing
+		 * the deferred execution, so the actual name of the field is already
+		 * in the namespace.  We don't want to attempt to look it up again
+		 * because we may be executing in a different scope than where the
+		 * actual opcode exists.
 		 */
-		parent_op = arg->common.parent;
-		op_info = acpi_ps_get_opcode_info (parent_op->common.aml_opcode);
-		if ((op_info->flags & AML_NSNODE) &&
-			(parent_op->common.aml_opcode != AML_INT_METHODCALL_OP) &&
-			(parent_op->common.aml_opcode != AML_REGION_OP) &&
-			(parent_op->common.aml_opcode != AML_INT_NAMEPATH_OP)) {
-			/* Enter name into namespace if not found */
-
-			interpreter_mode = ACPI_IMODE_LOAD_PASS2;
-		}
-
-		else {
-			/* Return a failure if name not found */
-
-			interpreter_mode = ACPI_IMODE_EXECUTE;
+		if ((walk_state->deferred_node) &&
+			(walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) &&
+			(arg_index != 0)) {
+			obj_desc = ACPI_CAST_PTR (union acpi_operand_object, walk_state->deferred_node);
+			status = AE_OK;
 		}
+		else    /* All other opcodes */ {
+			/*
+			 * Differentiate between a namespace "create" operation
+			 * versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
+			 * IMODE_EXECUTE) in order to support the creation of
+			 * namespace objects during the execution of control methods.
+			 */
+			parent_op = arg->common.parent;
+			op_info = acpi_ps_get_opcode_info (parent_op->common.aml_opcode);
+			if ((op_info->flags & AML_NSNODE) &&
+				(parent_op->common.aml_opcode != AML_INT_METHODCALL_OP) &&
+				(parent_op->common.aml_opcode != AML_REGION_OP) &&
+				(parent_op->common.aml_opcode != AML_INT_NAMEPATH_OP)) {
+				/* Enter name into namespace if not found */
+
+				interpreter_mode = ACPI_IMODE_LOAD_PASS2;
+			}
+			else {
+				/* Return a failure if name not found */
 
-		status = acpi_ns_lookup (walk_state->scope_info, name_string,
-				 ACPI_TYPE_ANY, interpreter_mode,
-				 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
-				 walk_state,
-				 ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &obj_desc));
-		/*
-		 * The only case where we pass through (ignore) a NOT_FOUND
-		 * error is for the cond_ref_of opcode.
-		 */
-		if (status == AE_NOT_FOUND) {
-			if (parent_op->common.aml_opcode == AML_COND_REF_OF_OP) {
-				/*
-				 * For the Conditional Reference op, it's OK if
-				 * the name is not found;  We just need a way to
-				 * indicate this to the interpreter, set the
-				 * object to the root
-				 */
-				obj_desc = ACPI_CAST_PTR (union acpi_operand_object, acpi_gbl_root_node);
-				status = AE_OK;
+				interpreter_mode = ACPI_IMODE_EXECUTE;
 			}
 
-			else {
-				/*
-				 * We just plain didn't find it -- which is a
-				 * very serious error at this point
-				 */
-				status = AE_AML_NAME_NOT_FOUND;
+			status = acpi_ns_lookup (walk_state->scope_info, name_string,
+					 ACPI_TYPE_ANY, interpreter_mode,
+					 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
+					 walk_state,
+					 ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &obj_desc));
+			/*
+			 * The only case where we pass through (ignore) a NOT_FOUND
+			 * error is for the cond_ref_of opcode.
+			 */
+			if (status == AE_NOT_FOUND) {
+				if (parent_op->common.aml_opcode == AML_COND_REF_OF_OP) {
+					/*
+					 * For the Conditional Reference op, it's OK if
+					 * the name is not found;  We just need a way to
+					 * indicate this to the interpreter, set the
+					 * object to the root
+					 */
+					obj_desc = ACPI_CAST_PTR (union acpi_operand_object, acpi_gbl_root_node);
+					status = AE_OK;
+				}
+				else {
+					/*
+					 * We just plain didn't find it -- which is a
+					 * very serious error at this point
+					 */
+					status = AE_AML_NAME_NOT_FOUND;
+				}
 			}
-		}
 
-		if (ACPI_FAILURE (status)) {
-			ACPI_REPORT_NSERROR (name_string, status);
+			if (ACPI_FAILURE (status)) {
+				ACPI_REPORT_NSERROR (name_string, status);
+			}
 		}
 
 		/* Free the namestring created above */
@@ -464,8 +479,6 @@ acpi_ds_create_operand (
 		}
 		ACPI_DEBUGGER_EXEC (acpi_db_display_argument_object (obj_desc, walk_state));
 	}
-
-
 	else {
 		/* Check for null name case */
 
@@ -480,7 +493,6 @@ acpi_ds_create_operand (
 
 			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Null namepath: Arg=%p\n", arg));
 		}
-
 		else {
 			opcode = arg->common.aml_opcode;
 		}

drivers/acpi/dispatcher/dswload.c

@@ -248,6 +248,14 @@ acpi_ds_load1_begin_op (
 		 *       buffer_field, or Package), the name of the object is already
 		 *       in the namespace.
 		 */
+		if (walk_state->deferred_node) {
+			/* This name is already in the namespace, get the node */
+
+			node = walk_state->deferred_node;
+			status = AE_OK;
+			break;
+		}
+
 		flags = ACPI_NS_NO_UPSEARCH;
 		if ((walk_state->opcode != AML_SCOPE_OP) &&
 			(!(walk_state->parse_flags & ACPI_PARSE_DEFERRED_OP))) {
@@ -589,7 +597,17 @@ acpi_ds_load2_begin_op (
 		 * Enter the named type into the internal namespace.  We enter the name
 		 * as we go downward in the parse tree.  Any necessary subobjects that involve
 		 * arguments to the opcode must be created as we go back up the parse tree later.
+		 *
+		 * Note: Name may already exist if we are executing a deferred opcode.
 		 */
+		if (walk_state->deferred_node) {
+			/* This name is already in the namespace, get the node */
+
+			node = walk_state->deferred_node;
+			status = AE_OK;
+			break;
+		}
+
 		status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
 				  ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, walk_state, &(node));
 		break;

drivers/acpi/dispatcher/dswscope.c

@@ -121,10 +121,9 @@ acpi_ds_scope_stack_push (
 	/* Make sure object type is valid */
 
 	if (!acpi_ut_valid_object_type (type)) {
-		ACPI_REPORT_WARNING (("ds_scope_stack_push: type code out of range\n"));
+		ACPI_REPORT_WARNING (("ds_scope_stack_push: Invalid object type: 0x%X\n", type));
 	}
 
-
 	/* Allocate a new scope object */
 
 	scope_info = acpi_ut_create_generic_state ();
@@ -146,13 +145,13 @@ acpi_ds_scope_stack_push (
 	old_scope_info = walk_state->scope_info;
 	if (old_scope_info) {
 		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
-			"[%4.4s] (%10s)",
+			"[%4.4s] (%s)",
 			old_scope_info->scope.node->name.ascii,
 			acpi_ut_get_type_name (old_scope_info->common.value)));
 	}
 	else {
 		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
-			"[\\___] (%10s)", "ROOT"));
+			"[\\___] (%s)", "ROOT"));
 	}
 
 	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
@@ -163,7 +162,6 @@ acpi_ds_scope_stack_push (
 	/* Push new scope object onto stack */
 
 	acpi_ut_push_generic_state (&walk_state->scope_info, scope_info);
-
 	return_ACPI_STATUS (AE_OK);
 }
 
@@ -207,7 +205,7 @@ acpi_ds_scope_stack_pop (
 	walk_state->scope_depth--;
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-		"[%.2d] Popped scope [%4.4s] (%10s), New scope -> ",
+		"[%.2d] Popped scope [%4.4s] (%s), New scope -> ",
 		(u32) walk_state->scope_depth,
 		scope_info->scope.node->name.ascii,
 		acpi_ut_get_type_name (scope_info->common.value)));
@@ -225,7 +223,6 @@ acpi_ds_scope_stack_pop (
 	}
 
 	acpi_ut_delete_generic_state (scope_info);
-
 	return_ACPI_STATUS (AE_OK);
 }
 

drivers/acpi/dispatcher/dswstate.c

@@ -56,11 +56,12 @@
  * FUNCTION:    acpi_ds_result_insert
  *
  * PARAMETERS:  Object              - Object to push
+ *              Index               - Where to insert the object
  *              walk_state          - Current Walk state
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Push an object onto this walk's result stack
+ * DESCRIPTION: Insert an object onto this walk's result stack
  *
  ******************************************************************************/
 
@@ -114,6 +115,7 @@ acpi_ds_result_insert (
  * FUNCTION:    acpi_ds_result_remove
  *
  * PARAMETERS:  Object              - Where to return the popped object
+ *              Index               - Where to extract the object
  *              walk_state          - Current Walk state
  *
  * RETURN:      Status
@@ -233,6 +235,7 @@ acpi_ds_result_pop (
 	return (AE_AML_NO_RETURN_VALUE);
 }
 
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_result_pop_from_bottom
@@ -295,7 +298,6 @@ acpi_ds_result_pop_from_bottom (
 		*object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
 		state, walk_state));
 
-
 	return (AE_OK);
 }
 
@@ -358,8 +360,7 @@ acpi_ds_result_push (
  *
  * FUNCTION:    acpi_ds_result_stack_push
  *
- * PARAMETERS:  Object              - Object to push
- *              walk_state          - Current Walk state
+ * PARAMETERS:  walk_state          - Current Walk state
  *
  * RETURN:      Status
  *
@@ -420,7 +421,6 @@ acpi_ds_result_stack_pop (
 		return (AE_AML_NO_OPERAND);
 	}
 
-
 	state = acpi_ut_pop_generic_state (&walk_state->results);
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
@@ -572,6 +572,7 @@ acpi_ds_obj_stack_pop_object (
 }
 #endif
 
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_obj_stack_pop
@@ -641,6 +642,7 @@ acpi_ds_obj_stack_pop_and_delete (
 	u32                             i;
 	union acpi_operand_object       *obj_desc;
 
+
 	ACPI_FUNCTION_NAME ("ds_obj_stack_pop_and_delete");
 
 
@@ -883,8 +885,15 @@ acpi_ds_create_walk_state (
  * FUNCTION:    acpi_ds_init_aml_walk
  *
  * PARAMETERS:  walk_state      - New state to be initialized
+ *              Op              - Current parse op
+ *              method_node     - Control method NS node, if any
+ *              aml_start       - Start of AML
+ *              aml_length      - Length of AML
+ *              Params          - Method args, if any
+ *              return_obj_desc - Where to store a return object, if any
+ *              pass_number     - 1, 2, or 3
  *
- * RETURN:      None
+ * RETURN:      Status
  *
  * DESCRIPTION: Initialize a walk state for a pass 1 or 2 parse tree walk
  *
@@ -927,9 +936,9 @@ acpi_ds_init_aml_walk (
 
 	if (method_node) {
 		walk_state->parser_state.start_node = method_node;
-		walk_state->walk_type               = ACPI_WALK_METHOD;
-		walk_state->method_node             = method_node;
-		walk_state->method_desc             = acpi_ns_get_attached_object (method_node);
+		walk_state->walk_type            = ACPI_WALK_METHOD;
+		walk_state->method_node          = method_node;
+		walk_state->method_desc          = acpi_ns_get_attached_object (method_node);
 
 		/* Push start scope on scope stack and make it current  */
 
@@ -956,6 +965,7 @@ acpi_ds_init_aml_walk (
 		while (extra_op && !extra_op->common.node) {
 			extra_op = extra_op->common.parent;
 		}
+
 		if (!extra_op) {
 			parser_state->start_node = NULL;
 		}
@@ -1014,7 +1024,7 @@ acpi_ds_delete_walk_state (
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n", walk_state));
 	}
 
-   /* Always must free any linked control states */
+	/* Always must free any linked control states */
 
 	while (walk_state->control_state) {
 		state = walk_state->control_state;

drivers/acpi/executer/excreate.c

@@ -286,7 +286,7 @@ acpi_ex_create_region (
 	ACPI_FUNCTION_TRACE ("ex_create_region");
 
 
-	/* Get the Node from the object stack  */
+	/* Get the Namespace Node */
 
 	node = walk_state->op->common.node;
 
@@ -311,7 +311,6 @@ acpi_ex_create_region (
 	ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n",
 			  acpi_ut_get_region_name (region_space), region_space));
 
-
 	/* Create the region descriptor */
 
 	obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_REGION);
@@ -375,6 +374,7 @@ acpi_ex_create_table_region (
 
 	ACPI_FUNCTION_TRACE ("ex_create_table_region");
 
+
 	/* Get the Node from the object stack  */
 
 	node = walk_state->op->common.node;
@@ -392,7 +392,6 @@ acpi_ex_create_table_region (
 	status = acpi_tb_find_table (operand[1]->string.pointer,
 			   operand[2]->string.pointer,
 			   operand[3]->string.pointer, &table);
-
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
@@ -489,7 +488,6 @@ acpi_ex_create_processor (
 	status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0],
 			  obj_desc, ACPI_TYPE_PROCESSOR);
 
-
 	/* Remove local reference to the object */
 
 	acpi_ut_remove_reference (obj_desc);
@@ -540,7 +538,6 @@ acpi_ex_create_power_resource (
 	status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0],
 			  obj_desc, ACPI_TYPE_POWER);
 
-
 	/* Remove local reference to the object */
 
 	acpi_ut_remove_reference (obj_desc);
@@ -609,7 +606,6 @@ acpi_ex_create_method (
 		obj_desc->method.concurrency = (u8)
 				  (((method_flags & METHOD_FLAGS_SYNCH_LEVEL) >> 4) + 1);
 	}
-
 	else {
 		obj_desc->method.concurrency = INFINITE_CONCURRENCY;
 	}

drivers/acpi/executer/exfldio.c

@@ -139,7 +139,41 @@ acpi_ex_setup_region (
 			field_datum_byte_offset, obj_desc->common_field.access_byte_width,
 			rgn_desc->region.node->name.ascii, rgn_desc->region.length));
 
-		return_ACPI_STATUS (AE_AML_REGION_LIMIT);
+		#ifdef CONFIG_ACPI_RELAXED_AML
+		{
+			/*
+			 * Allow access to the field if it is within the region size
+			 * rounded up to a multiple of the access byte width.  This
+			 * overcomes "off-by-one" programming errors in the AML often
+			 * found in Toshiba laptops.  These errors were allowed by
+			 * the Microsoft ASL compiler.
+			 */
+			u32 rounded_length = ACPI_ROUND_UP(rgn_desc->region.length,
+									obj_desc->common_field.access_byte_width);
+
+			if (rounded_length < (obj_desc->common_field.base_byte_offset
+						+ field_datum_byte_offset
+						+ obj_desc->common_field.access_byte_width)) {
+				return_ACPI_STATUS (AE_AML_REGION_LIMIT);
+			} else {
+				static int	warn_once = 1;
+				if (warn_once) {
+					// Could also associate a flag with each field, and
+					// warn once for each field.
+					ACPI_REPORT_WARNING((
+						"The ACPI AML in your computer contains errors, "
+						"please nag the manufacturer to correct it.\n"));
+					ACPI_REPORT_WARNING((
+						"Allowing relaxed access to fields; "
+						"turn on CONFIG_ACPI_DEBUG for details.\n"));
+					warn_once = 0;
+				}
+				return_ACPI_STATUS (AE_OK);
+			}
+		}
+		#else
+			return_ACPI_STATUS (AE_AML_REGION_LIMIT);
+		#endif
 	}
 
 	return_ACPI_STATUS (AE_OK);

drivers/acpi/namespace/nsdump.c

@@ -234,7 +234,7 @@ acpi_ns_dump_one_object (
 
 		case ACPI_TYPE_DEVICE:
 
-			acpi_os_printf ("Notify object: %p", obj_desc);
+			acpi_os_printf ("Notify Object: %p\n", obj_desc);
 			break;
 
 
@@ -371,7 +371,7 @@ acpi_ns_dump_one_object (
 		case ACPI_TYPE_LOCAL_BANK_FIELD:
 		case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
-			acpi_os_printf (" Off %.2X Len %.2X Acc %.2hd\n",
+			acpi_os_printf ("Off %.2X Len %.2X Acc %.2hd\n",
 					(obj_desc->common_field.base_byte_offset * 8)
 						+ obj_desc->common_field.start_field_bit_offset,
 					obj_desc->common_field.bit_length,

drivers/acpi/namespace/nssearch.c

@@ -96,7 +96,7 @@ acpi_ns_search_node (
 
 		scope_name = acpi_ns_get_external_pathname (node);
 		if (scope_name) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Searching %s [%p] For %4.4s (%s)\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Searching %s (%p) For [%4.4s] (%s)\n",
 				scope_name, node, (char *) &target_name, acpi_ut_get_type_name (type)));
 
 			ACPI_MEM_FREE (scope_name);
@@ -117,9 +117,9 @@ acpi_ns_search_node (
 			 * Found matching entry.
 			 */
 			ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
-				"Name %4.4s Type [%s] found in scope [%4.4s] %p\n",
+				"Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
 				(char *) &target_name, acpi_ut_get_type_name (next_node->type),
-				next_node->name.ascii, next_node));
+				next_node, node->name.ascii, node));
 
 			*return_node = next_node;
 			return_ACPI_STATUS (AE_OK);
@@ -143,7 +143,7 @@ acpi_ns_search_node (
 	/* Searched entire namespace level, not found */
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
-		"Name %4.4s Type [%s] not found in search in scope [%4.4s] %p first child %p\n",
+		"Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n",
 		(char *) &target_name, acpi_ut_get_type_name (type),
 		node->name.ascii, node, node->child));
 

drivers/acpi/namespace/nsutils.c

@@ -175,6 +175,11 @@ acpi_ns_print_node_pathname (
 	acpi_status                     status;
 
 
+	if (!node) {
+		acpi_os_printf ("[NULL NAME]");
+		return;
+	}
+
 	/* Convert handle to a full pathname and print it (with supplied message) */
 
 	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
@@ -470,11 +475,11 @@ acpi_ns_build_internal_name (
 	*result = 0;
 
 	if (info->fully_qualified) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "returning [%p] (abs) \"\\%s\"\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Returning [%p] (abs) \"\\%s\"\n",
 			internal_name, internal_name));
 	}
 	else {
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "returning [%p] (rel) \"%s\"\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Returning [%p] (rel) \"%s\"\n",
 			internal_name, internal_name));
 	}
 

drivers/acpi/parser/psparse.c

@@ -437,7 +437,6 @@ acpi_ps_parse_loop (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-
 	parser_state = &walk_state->parser_state;
 	walk_state->arg_types = 0;
 
@@ -705,10 +704,9 @@ acpi_ps_parse_loop (
 				walk_state->arg_types = 0;
 				break;
 
-
 			default:
 
-				/* Op is not a constant or string, append each argument */
+				/* Op is not a constant or string, append each argument to the Op */
 
 				while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
 						!walk_state->arg_count) {
@@ -727,23 +725,23 @@ acpi_ps_parse_loop (
 					INCREMENT_ARG_LIST (walk_state->arg_types);
 				}
 
+				/* Special processing for certain opcodes */
+
 				switch (op->common.aml_opcode) {
 				case AML_METHOD_OP:
 
-					/* For a method, save the length and address of the body */
-
 					/*
-					 * Skip parsing of control method or opregion body,
+					 * Skip parsing of control method
 					 * because we don't have enough info in the first pass
-					 * to parse them correctly.
+					 * to parse it correctly.
+					 *
+					 * Save the length and address of the body
 					 */
 					op->named.data   = parser_state->aml;
 					op->named.length = (u32) (parser_state->pkg_end - parser_state->aml);
-					/*
-					 * Skip body of method.  For op_regions, we must continue
-					 * parsing because the opregion is not a standalone
-					 * package (We don't know where the end is).
-					 */
+
+					/* Skip body of method */
+
 					parser_state->aml   = parser_state->pkg_end;
 					walk_state->arg_count = 0;
 					break;
@@ -756,15 +754,15 @@ acpi_ps_parse_loop (
 						(op->common.parent->common.aml_opcode == AML_NAME_OP) &&
 						(walk_state->descending_callback != acpi_ds_exec_begin_op)) {
 						/*
-						 * Skip parsing of
+						 * Skip parsing of Buffers and Packages
 						 * because we don't have enough info in the first pass
 						 * to parse them correctly.
 						 */
 						op->named.data   = aml_op_start;
 						op->named.length = (u32) (parser_state->pkg_end - aml_op_start);
-						/*
-						 * Skip body
-						 */
+
+						/* Skip body */
+
 						parser_state->aml   = parser_state->pkg_end;
 						walk_state->arg_count = 0;
 					}
@@ -778,6 +776,7 @@ acpi_ps_parse_loop (
 					break;
 
 				default:
+
 					/* No action for all other opcodes */
 					break;
 				}

include/acpi/acconfig.h

@@ -64,7 +64,7 @@
 
 /* Version string */
 
-#define ACPI_CA_VERSION                 0x20030916
+#define ACPI_CA_VERSION                 0x20030918
 
 /* Maximum objects in the various object caches */
 

include/acpi/acdisasm.h

@@ -152,10 +152,6 @@ void
 acpi_dm_decode_internal_object (
 	union acpi_operand_object       *obj_desc);
 
-void
-acpi_dm_decode_node (
-	struct acpi_namespace_node      *node);
-
 u32
 acpi_dm_block_type (
 	union acpi_parse_object         *op);

include/acpi/acstruct.h

@@ -91,11 +91,12 @@ struct acpi_walk_state
 	struct acpi_namespace_node          arguments[ACPI_METHOD_NUM_ARGS];    /* Control method arguments */
 	union acpi_operand_object           **caller_return_desc;
 	union acpi_generic_state            *control_state;                     /* List of control states (nested IFs) */
+	struct acpi_namespace_node          *deferred_node;                      /* Used when executing deferred opcodes */
 	struct acpi_namespace_node          local_variables[ACPI_METHOD_NUM_LOCALS];    /* Control method locals */
 	struct acpi_namespace_node          *method_call_node;                  /* Called method Node*/
 	union acpi_parse_object             *method_call_op;                    /* method_call Op if running a method */
 	union acpi_operand_object           *method_desc;                       /* Method descriptor if running a method */
-	struct acpi_namespace_node          *method_node;                       /* Method Node if running a method */
+	struct acpi_namespace_node          *method_node;                       /* Method node if running a method. */
 	union acpi_parse_object             *op;                                /* Current parser op */
 	union acpi_operand_object           *operands[ACPI_OBJ_NUM_OPERANDS+1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
 	const struct acpi_opcode_info       *op_info;                           /* Info on current opcode */