Merge intel.com:/home/lenb/bk/linux-2.6.4

into intel.com:/home/lenb/src/linux-acpi-test-2.6.4

drivers/acpi/dispatcher/dsmthdat.c

@@ -206,8 +206,7 @@ acpi_ds_method_data_init_args (
 		 * Store the argument in the method/walk descriptor.
 		 * Do not copy the arg in order to implement call by reference
 		 */
-		status = acpi_ds_method_data_set_value (AML_ARG_OP, index, params[index],
-				 walk_state);
+		status = acpi_ds_method_data_set_value (AML_ARG_OP, index, params[index], walk_state);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
@@ -465,6 +464,7 @@ acpi_ds_method_data_get_value (
 			return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL);
 
 		default:
+			ACPI_REPORT_ERROR (("Not Arg/Local opcode: %X\n", opcode));
 			return_ACPI_STATUS (AE_AML_INTERNAL);
 		}
 	}
@@ -597,7 +597,10 @@ acpi_ds_store_object_to_local (
 
 	/*
 	 * If the reference count on the object is more than one, we must
-	 * take a copy of the object before we store.
+	 * take a copy of the object before we store.  A reference count
+	 * of exactly 1 means that the object was just created during the
+	 * evaluation of an expression, and we can safely use it since it
+	 * is not used anywhere else.
 	 */
 	new_obj_desc = obj_desc;
 	if (obj_desc->common.reference_count > 1) {

drivers/acpi/dispatcher/dsobject.c

@@ -582,6 +582,11 @@ acpi_ds_init_object_from_op (
 
 			obj_desc->reference.opcode = AML_ARG_OP;
 			obj_desc->reference.offset = opcode - AML_ARG_OP;
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+			status = acpi_ds_method_data_get_node (AML_ARG_OP, obj_desc->reference.offset,
+					 walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object);
+#endif
 			break;
 
 		default: /* Other literals, etc.. */

drivers/acpi/dispatcher/dsopcode.c

@@ -243,8 +243,8 @@ acpi_ds_get_buffer_arguments (
 
 	node = obj_desc->buffer.node;
 	if (!node) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-				"No pointer back to NS node in buffer %p\n", obj_desc));
+		ACPI_REPORT_ERROR ((
+				"No pointer back to NS node in buffer obj %p\n", obj_desc));
 		return_ACPI_STATUS (AE_AML_INTERNAL);
 	}
 
@@ -290,7 +290,7 @@ acpi_ds_get_package_arguments (
 
 	node = obj_desc->package.node;
 	if (!node) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+		ACPI_REPORT_ERROR ((
 				"No pointer back to NS node in package %p\n", obj_desc));
 		return_ACPI_STATUS (AE_AML_INTERNAL);
 	}

drivers/acpi/dispatcher/dsutils.c

@@ -280,7 +280,8 @@ acpi_ds_resolve_operands (
 
 	/*
 	 * Attempt to resolve each of the valid operands
-	 * Method arguments are passed by value, not by reference
+	 * Method arguments are passed by reference, not by value.  This means
+	 * that the actual objects are passed, not copies of the objects.
 	 */
 	for (i = 0; i < walk_state->num_operands; i++) {
 		status = acpi_ex_resolve_to_value (&walk_state->operands[i], walk_state);

drivers/acpi/dispatcher/dswstate.c

@@ -328,7 +328,7 @@ acpi_ds_result_push (
 
 	state = walk_state->results;
 	if (!state) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result stack frame\n"));
+		ACPI_REPORT_ERROR (("No result stack frame during push\n"));
 		return (AE_AML_INTERNAL);
 	}
 

drivers/acpi/executer/exconvrt.c

@@ -55,8 +55,9 @@
  *
  * FUNCTION:    acpi_ex_convert_to_integer
  *
- * PARAMETERS:  *obj_desc       - Object to be converted.  Must be an
+ * PARAMETERS:  obj_desc        - Object to be converted.  Must be an
  *                                Integer, Buffer, or String
+ *              result_desc     - Where the new Integer object is returned
  *              walk_state      - Current method state
  *
  * RETURN:      Status
@@ -189,8 +190,9 @@ acpi_ex_convert_to_integer (
  *
  * FUNCTION:    acpi_ex_convert_to_buffer
  *
- * PARAMETERS:  *obj_desc       - Object to be converted.  Must be an
+ * PARAMETERS:  obj_desc        - Object to be converted.  Must be an
  *                                Integer, Buffer, or String
+ *              result_desc     - Where the new buffer object is returned
  *              walk_state      - Current method state
  *
  * RETURN:      Status
@@ -319,6 +321,7 @@ acpi_ex_convert_to_ascii (
 
 	ACPI_FUNCTION_ENTRY ();
 
+
 	if (data_width < sizeof (acpi_integer)) {
 		leading_zero = FALSE;
 		length = data_width;
@@ -328,22 +331,21 @@ acpi_ex_convert_to_ascii (
 		length = sizeof (acpi_integer);
 	}
 
-
 	switch (base) {
 	case 10:
 
 		remainder = 0;
-		for (i = ACPI_MAX_DECIMAL_DIGITS; i > 0 ; i--) {
+		for (i = ACPI_MAX_DECIMAL_DIGITS; i > 0; i--) {
 			/* Divide by nth factor of 10 */
 
 			digit = integer;
-			for (j = 1; j < i; j++) {
+			for (j = 0; j < i; j++) {
 				(void) acpi_ut_short_divide (&digit, 10, &digit, &remainder);
 			}
 
 			/* Create the decimal digit */
 
-			if (digit != 0) {
+			if (remainder != 0) {
 				leading_zero = FALSE;
 			}
 
@@ -354,6 +356,7 @@ acpi_ex_convert_to_ascii (
 		}
 		break;
 
+
 	case 16:
 
 		/* Copy the integer to the buffer */
@@ -372,13 +375,14 @@ acpi_ex_convert_to_ascii (
 		}
 		break;
 
+
 	default:
 		break;
 	}
 
 	/*
 	 * Since leading zeros are supressed, we must check for the case where
-	 * the integer equals 0.
+	 * the integer equals 0
 	 *
 	 * Finally, null terminate the string and return the length
 	 */
@@ -396,8 +400,11 @@ acpi_ex_convert_to_ascii (
  *
  * FUNCTION:    acpi_ex_convert_to_string
  *
- * PARAMETERS:  *obj_desc       - Object to be converted.  Must be an
- *                                Integer, Buffer, or String
+ * PARAMETERS:  obj_desc        - Object to be converted.  Must be an
+ *                                  Integer, Buffer, or String
+ *              result_desc     - Where the string object is returned
+ *              Base            - 10 or 16
+ *              max_length      - Max length of the returned string
  *              walk_state      - Current method state
  *
  * RETURN:      Status
@@ -415,10 +422,10 @@ acpi_ex_convert_to_string (
 	struct acpi_walk_state          *walk_state)
 {
 	union acpi_operand_object       *ret_desc;
-	u32                             i;
-	u32                             string_length;
 	u8                              *new_buf;
 	u8                              *pointer;
+	u32                             string_length;
+	u32                             i;
 
 
 	ACPI_FUNCTION_TRACE_PTR ("ex_convert_to_string", obj_desc);
@@ -539,7 +546,6 @@ acpi_ex_convert_to_string (
 		return_ACPI_STATUS (AE_TYPE);
 	}
 
-
 	/*
 	 * If we are about to overwrite the original object on the operand stack,
 	 * we must remove a reference on the original object because we are
@@ -562,6 +568,7 @@ acpi_ex_convert_to_string (
  *
  * PARAMETERS:  destination_type    - Current type of the destination
  *              source_desc         - Source object to be converted.
+ *              result_desc         - Where the converted object is returned
  *              walk_state          - Current method state
  *
  * RETURN:      Status
@@ -653,6 +660,8 @@ acpi_ex_convert_to_target_type (
 
 
 		default:
+			ACPI_REPORT_ERROR (("Bad destination type during conversion: %X\n",
+				destination_type));
 			status = AE_AML_INTERNAL;
 			break;
 		}
@@ -672,6 +681,8 @@ acpi_ex_convert_to_target_type (
 			GET_CURRENT_ARG_TYPE (walk_state->op_info->runtime_args),
 			walk_state->op_info->name, acpi_ut_get_type_name (destination_type)));
 
+		ACPI_REPORT_ERROR (("Bad Target Type (ARGI): %X\n",
+			GET_CURRENT_ARG_TYPE (walk_state->op_info->runtime_args)))
 		status = AE_AML_INTERNAL;
 	}
 

drivers/acpi/executer/exfldio.c

@@ -507,8 +507,8 @@ acpi_ex_field_datum_io (
 
 	default:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p, Wrong object type - %s\n",
-			obj_desc, acpi_ut_get_object_type_name (obj_desc)));
+		ACPI_REPORT_ERROR (("Wrong object type in field I/O %X\n",
+			ACPI_GET_OBJECT_TYPE (obj_desc)));
 		status = AE_AML_INTERNAL;
 		break;
 	}

drivers/acpi/executer/exmisc.c

@@ -103,7 +103,7 @@ acpi_ex_get_object_reference (
 
 		default:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Reference subtype %X\n",
+			ACPI_REPORT_ERROR (("Unknown Reference subtype in get ref %X\n",
 				obj_desc->reference.opcode));
 			return_ACPI_STATUS (AE_AML_INTERNAL);
 		}
@@ -121,8 +121,8 @@ acpi_ex_get_object_reference (
 
 	default:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p has invalid descriptor [%s]\n",
-				obj_desc, acpi_ut_get_descriptor_name (obj_desc)));
+		ACPI_REPORT_ERROR (("Invalid descriptor type in get ref: %X\n",
+				ACPI_GET_DESCRIPTOR_TYPE (obj_desc)));
 		return_ACPI_STATUS (AE_TYPE);
 	}
 
@@ -349,6 +349,8 @@ acpi_ex_do_concatenate (
 
 		/* Invalid object type, should not happen here */
 
+		ACPI_REPORT_ERROR (("Concat - invalid obj type: %X\n",
+				ACPI_GET_OBJECT_TYPE (obj_desc1)));
 		status = AE_AML_INTERNAL;
 		return_desc = NULL;
 	}

drivers/acpi/executer/exoparg2.c

@@ -329,6 +329,8 @@ acpi_ex_opcode_2A_1T_1R (
 			break;
 
 		default:
+			ACPI_REPORT_ERROR (("Concat - invalid obj type: %X\n",
+					ACPI_GET_OBJECT_TYPE (operand[0])));
 			status = AE_AML_INTERNAL;
 		}
 
@@ -433,7 +435,7 @@ acpi_ex_opcode_2A_1T_1R (
 			}
 
 			return_desc->reference.target_type = ACPI_TYPE_PACKAGE;
-			return_desc->reference.object    = operand[0]->package.elements [index];
+			return_desc->reference.object    = operand[0];
 			return_desc->reference.where     = &operand[0]->package.elements [index];
 		}
 		else {

drivers/acpi/executer/exprep.c

@@ -507,7 +507,7 @@ acpi_ex_prep_field_value (
 			(info->field_bit_position / ACPI_MUL_8 (obj_desc->field.access_byte_width));
 
 		if (!obj_desc->index_field.data_obj || !obj_desc->index_field.index_obj) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Index Object\n"));
+			ACPI_REPORT_ERROR (("Null Index Object during field prep\n"));
 			return_ACPI_STATUS (AE_AML_INTERNAL);
 		}
 

drivers/acpi/executer/exresolv.c

@@ -238,8 +238,8 @@ acpi_ex_resolve_object_to_value (
 
 				/* Invalid reference object */
 
-				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-					"Unknown target_type %X in Index/Reference obj %p\n",
+				ACPI_REPORT_ERROR ((
+					"During resolve, Unknown target_type %X in Index/Reference obj %p\n",
 					stack_desc->reference.target_type, stack_desc));
 				status = AE_AML_INTERNAL;
 				break;
@@ -258,7 +258,7 @@ acpi_ex_resolve_object_to_value (
 
 		default:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Reference opcode %X (%s) in %p\n",
+			ACPI_REPORT_ERROR (("During resolve, Unknown Reference opcode %X (%s) in %p\n",
 				opcode, acpi_ps_get_opcode_name (opcode), stack_desc));
 			status = AE_AML_INTERNAL;
 			break;

drivers/acpi/executer/exresop.c

@@ -154,7 +154,7 @@ acpi_ex_resolve_operands (
 
 	arg_types = op_info->runtime_args;
 	if (arg_types == ARGI_INVALID_OPCODE) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - %X is not a valid AML opcode\n",
+		ACPI_REPORT_ERROR (("resolve_operands: %X is not a valid AML opcode\n",
 			opcode));
 
 		return_ACPI_STATUS (AE_AML_INTERNAL);
@@ -172,7 +172,7 @@ acpi_ex_resolve_operands (
 	 */
 	while (GET_CURRENT_ARG_TYPE (arg_types)) {
 		if (!stack_ptr || !*stack_ptr) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null stack entry at %p\n",
+			ACPI_REPORT_ERROR (("resolve_operands: Null stack entry at %p\n",
 				stack_ptr));
 
 			return_ACPI_STATUS (AE_AML_INTERNAL);

drivers/acpi/executer/exstore.c

@@ -125,7 +125,7 @@ acpi_ex_store (
 
 	default:
 
-		/* Destination is not an Reference */
+		/* Destination is not a Reference object */
 
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
 			"Destination is not a Reference or Constant object [%p]\n", dest_desc));
@@ -189,35 +189,38 @@ acpi_ex_store (
 		switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
 		case ACPI_TYPE_INTEGER:
 
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%8.8X%8.8X\n",
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
 					ACPI_FORMAT_UINT64 (source_desc->integer.value)));
 			break;
 
 
 		case ACPI_TYPE_BUFFER:
 
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Length %.2X\n",
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Length 0x%.2X",
 					(u32) source_desc->buffer.length));
+			ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
+				(source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
 			break;
 
 
 		case ACPI_TYPE_STRING:
 
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s\n", source_desc->string.pointer));
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Length 0x%.2X, \"%s\"\n",
+					source_desc->string.length, source_desc->string.pointer));
 			break;
 
 
 		case ACPI_TYPE_PACKAGE:
 
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Elements Ptr - %p\n",
-					source_desc->package.elements));
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Size 0x%.2X Elements Ptr - %p\n",
+					source_desc->package.count, source_desc->package.elements));
 			break;
 
 
 		default:
 
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Type %s %p\n",
-					acpi_ut_get_object_type_name (source_desc), source_desc));
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p\n",
+					source_desc));
 			break;
 		}
 
@@ -227,7 +230,7 @@ acpi_ex_store (
 
 	default:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Reference opcode %X\n",
+		ACPI_REPORT_ERROR (("ex_store: Unknown Reference opcode %X\n",
 			ref_desc->reference.opcode));
 		ACPI_DUMP_ENTRY (ref_desc, ACPI_LV_ERROR);
 
@@ -263,6 +266,7 @@ acpi_ex_store_object_to_index (
 	union acpi_operand_object       *obj_desc;
 	union acpi_operand_object       *new_desc;
 	u8                              value = 0;
+	u32                             i;
 
 
 	ACPI_FUNCTION_TRACE ("ex_store_object_to_index");
@@ -283,6 +287,7 @@ acpi_ex_store_object_to_index (
 		/*
 		 * The object at *(index_desc->Reference.Where) is the
 		 * element within the package that is to be modified.
+		 * The parent package object is at index_desc->Reference.Object
 		 */
 		obj_desc = *(index_desc->reference.where);
 
@@ -309,6 +314,12 @@ acpi_ex_store_object_to_index (
 			if (new_desc == source_desc) {
 				acpi_ut_add_reference (new_desc);
 			}
+
+			/* Increment reference count by the ref count of the parent package -1 */
+
+			for (i = 1; i < ((union acpi_operand_object *) index_desc->reference.object)->common.reference_count; i++) {
+				acpi_ut_add_reference (new_desc);
+			}
 		}
 		break;
 

drivers/acpi/executer/exstoren.c

@@ -112,6 +112,12 @@ acpi_ex_resolve_object (
 			}
 		}
 
+		/* For copy_object, no further validation necessary */
+
+		if (walk_state->opcode == AML_COPY_OP) {
+			break;
+		}
+
 		/*
 		 * Must have a Integer, Buffer, or String
 		 */
@@ -136,7 +142,7 @@ acpi_ex_resolve_object (
 		/*
 		 * Aliases are resolved by acpi_ex_prep_operands
 		 */
-		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Store into Alias - should never happen\n"));
+		ACPI_REPORT_ERROR (("Store into Alias - should never happen\n"));
 		status = AE_AML_INTERNAL;
 		break;
 

drivers/acpi/namespace/nsaccess.c

@@ -314,7 +314,7 @@ acpi_ns_lookup (
 	else {
 		prefix_node = scope_info->scope.node;
 		if (ACPI_GET_DESCRIPTOR_TYPE (prefix_node) != ACPI_DESC_TYPE_NAMED) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p Not a namespace node [%s]\n",
+			ACPI_REPORT_ERROR (("ns_lookup: %p is not a namespace node [%s]\n",
 					prefix_node, acpi_ut_get_descriptor_name (prefix_node)));
 			return_ACPI_STATUS (AE_AML_INTERNAL);
 		}

drivers/acpi/parser/psargs.c

@@ -315,8 +315,8 @@ acpi_ps_get_next_namepath (
 				acpi_ps_append_arg (arg, name_op);
 
 				if (!method_desc) {
-					ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
-						"Control Method - %p has no attached object\n",
+					ACPI_REPORT_ERROR ((
+						"ps_get_next_namepath: Control Method %p has no attached object\n",
 						node));
 					return_ACPI_STATUS (AE_AML_INTERNAL);
 				}

drivers/acpi/sleep/proc.c

@@ -44,10 +44,10 @@ static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file)
 	return single_open(file, acpi_system_sleep_seq_show, PDE(inode)->data);
 }
 
-static int
+static ssize_t
 acpi_system_write_sleep (
 	struct file		*file,
-	const char		*buffer,
+	const char __user	*buffer,
 	size_t			count,
 	loff_t			*ppos)
 {
@@ -189,10 +189,10 @@ get_date_field (
 }
 
 
-static int
+static ssize_t
 acpi_system_write_alarm (
 	struct file		*file,
-	const char		*buffer,
+	const char __user	*buffer,
 	size_t			count,
 	loff_t			*ppos)
 {

drivers/acpi/utils.c

@@ -350,7 +350,7 @@ acpi_evaluate_reference (
 	if ((buffer.length == 0) || !package) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 
 			"No return object (len %X ptr %p)\n", 
-			buffer.length, package));
+			(unsigned)buffer.length, package));
 		status = AE_BAD_DATA;
 		acpi_util_eval_error(handle, pathname, status);
 		goto end;

include/acpi/acconfig.h

@@ -64,7 +64,7 @@
 
 /* Version string */
 
-#define ACPI_CA_VERSION                 0x20040116
+#define ACPI_CA_VERSION                 0x20040211
 
 /* Maximum objects in the various object caches */