patch-2.4.22 linux-2.4.22/drivers/acpi/namespace/nsinit.c

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diff -urN linux-2.4.21/drivers/acpi/namespace/nsinit.c linux-2.4.22/drivers/acpi/namespace/nsinit.c
@@ -1,41 +1,59 @@
 /******************************************************************************
  *
  * Module Name: nsinit - namespace initialization
- *              $Revision: 33 $
  *
  *****************************************************************************/
 
 /*
- *  Copyright (C) 2000, 2001 R. Byron Moore
+ * Copyright (C) 2000 - 2003, R. Byron Moore
+ * All rights reserved.
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
  */
 
 
-#include "acpi.h"
-#include "acnamesp.h"
-#include "acdispat.h"
-#include "acinterp.h"
+#include <acpi/acpi.h>
+#include <acpi/acnamesp.h>
+#include <acpi/acdispat.h>
+#include <acpi/acinterp.h>
 
 #define _COMPONENT          ACPI_NAMESPACE
-	 MODULE_NAME         ("nsinit")
+	 ACPI_MODULE_NAME    ("nsinit")
 
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ns_initialize_objects
+ * FUNCTION:    acpi_ns_initialize_objects
  *
  * PARAMETERS:  None
  *
@@ -50,24 +68,20 @@
 acpi_ns_initialize_objects (
 	void)
 {
-	acpi_status             status;
-	acpi_init_walk_info     info;
+	acpi_status                     status;
+	struct acpi_init_walk_info      info;
 
 
-	FUNCTION_TRACE ("Ns_initialize_objects");
+	ACPI_FUNCTION_TRACE ("ns_initialize_objects");
 
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
 		"**** Starting initialization of namespace objects ****\n"));
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "Completing Region and Field initialization:"));
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Completing Region/Field/Buffer/Package initialization:"));
 
+	/* Set all init info to zero */
 
-	info.field_count = 0;
-	info.field_init = 0;
-	info.op_region_count = 0;
-	info.op_region_init = 0;
-	info.object_count = 0;
-
+	ACPI_MEMSET (&info, 0, sizeof (struct acpi_init_walk_info));
 
 	/* Walk entire namespace from the supplied root */
 
@@ -75,17 +89,21 @@
 			  ACPI_UINT32_MAX, acpi_ns_init_one_object,
 			  &info, NULL);
 	if (ACPI_FAILURE (status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Walk_namespace failed! %x\n", status));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "walk_namespace failed! %s\n",
+			acpi_format_exception (status)));
 	}
 
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK,
-		"\n%d/%d Regions, %d/%d Fields initialized (%d nodes total)\n",
-		info.op_region_init, info.op_region_count, info.field_init,
-		info.field_count, info.object_count));
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
+		"\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd Buffers %hd/%hd Packages (%hd 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));
+
 	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
-		"%d Control Methods found\n", info.method_count));
+		"%hd Control Methods found\n", info.method_count));
 	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
-		"%d Op Regions found\n", info.op_region_count));
+		"%hd Op Regions found\n", info.op_region_count));
 
 	return_ACPI_STATUS (AE_OK);
 }
@@ -93,7 +111,7 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ns_initialize_devices
+ * FUNCTION:    acpi_ns_initialize_devices
  *
  * PARAMETERS:  None
  *
@@ -111,30 +129,33 @@
 acpi_ns_initialize_devices (
 	void)
 {
-	acpi_status             status;
-	acpi_device_walk_info   info;
+	acpi_status                     status;
+	struct acpi_device_walk_info    info;
+
 
+	ACPI_FUNCTION_TRACE ("ns_initialize_devices");
 
-	FUNCTION_TRACE ("Ns_initialize_devices");
 
+	/* Init counters */
 
 	info.device_count = 0;
 	info.num_STA = 0;
 	info.num_INI = 0;
 
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Executing all Device _STA and_INI methods:"));
 
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "Executing device _INI methods:"));
+	/* Walk namespace for all objects of type Device */
 
 	status = acpi_ns_walk_namespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
 			  ACPI_UINT32_MAX, FALSE, acpi_ns_init_one_device, &info, NULL);
 
 	if (ACPI_FAILURE (status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Walk_namespace failed! %x\n", status));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "walk_namespace failed! %s\n",
+			acpi_format_exception (status)));
 	}
 
-
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK,
-		"\n%d Devices found: %d _STA, %d _INI\n",
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
+		"\n%hd Devices found containing: %hd _STA, %hd _INI methods\n",
 		info.device_count, info.num_STA, info.num_INI));
 
 	return_ACPI_STATUS (status);
@@ -143,16 +164,16 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ns_init_one_object
+ * FUNCTION:    acpi_ns_init_one_object
  *
- * PARAMETERS:  Obj_handle      - Node
+ * PARAMETERS:  obj_handle      - Node
  *              Level           - Current nesting level
  *              Context         - Points to a init info struct
- *              Return_value    - Not used
+ *              return_value    - Not used
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Callback from Acpi_walk_namespace. Invoked for every object
+ * DESCRIPTION: Callback from acpi_walk_namespace. Invoked for every object
  *              within the  namespace.
  *
  *              Currently, the only objects that require initialization are:
@@ -163,37 +184,62 @@
 
 acpi_status
 acpi_ns_init_one_object (
-	acpi_handle             obj_handle,
-	u32                     level,
-	void                    *context,
-	void                    **return_value)
+	acpi_handle                     obj_handle,
+	u32                             level,
+	void                            *context,
+	void                            **return_value)
 {
-	acpi_object_type8       type;
-	acpi_status             status;
-	acpi_init_walk_info     *info = (acpi_init_walk_info *) context;
-	acpi_namespace_node     *node = (acpi_namespace_node *) obj_handle;
-	acpi_operand_object     *obj_desc;
+	acpi_object_type                type;
+	acpi_status                     status;
+	struct acpi_init_walk_info      *info = (struct acpi_init_walk_info *) context;
+	struct acpi_namespace_node      *node = (struct acpi_namespace_node *) obj_handle;
+	union acpi_operand_object       *obj_desc;
 
 
-	PROC_NAME ("Ns_init_one_object");
+	ACPI_FUNCTION_NAME ("ns_init_one_object");
 
 
 	info->object_count++;
 
-
 	/* And even then, we are only interested in a few object types */
 
 	type = acpi_ns_get_type (obj_handle);
-	obj_desc = node->object;
+	obj_desc = acpi_ns_get_attached_object (node);
 	if (!obj_desc) {
 		return (AE_OK);
 	}
 
-	if ((type != ACPI_TYPE_REGION) &&
-		(type != ACPI_TYPE_BUFFER_FIELD)) {
+	/* Increment counters for object types we are looking for */
+
+	switch (type) {
+	case ACPI_TYPE_REGION:
+		info->op_region_count++;
+		break;
+
+	case ACPI_TYPE_BUFFER_FIELD:
+		info->field_count++;
+		break;
+
+	case ACPI_TYPE_BUFFER:
+		info->buffer_count++;
+		break;
+
+	case ACPI_TYPE_PACKAGE:
+		info->package_count++;
+		break;
+
+	default:
+
+		/* No init required, just exit now */
 		return (AE_OK);
 	}
 
+	/*
+	 * If the object is already initialized, nothing else to do
+	 */
+	if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
+		return (AE_OK);
+	}
 
 	/*
 	 * Must lock the interpreter before executing AML code
@@ -203,61 +249,59 @@
 		return (status);
 	}
 
+	/*
+	 * Each of these types can contain executable AML code within
+	 * the declaration.
+	 */
 	switch (type) {
-
 	case ACPI_TYPE_REGION:
 
-		info->op_region_count++;
-		if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
-			break;
-		}
-
 		info->op_region_init++;
 		status = acpi_ds_get_region_arguments (obj_desc);
-		if (ACPI_FAILURE (status)) {
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n"));
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-					"%s while getting region arguments [%4.4s]\n",
-					acpi_format_exception (status), (char*)&node->name));
-		}
-
-		if (!(acpi_dbg_level & ACPI_LV_INIT)) {
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "."));
-		}
-
 		break;
 
 
 	case ACPI_TYPE_BUFFER_FIELD:
 
-		info->field_count++;
-		if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
-			break;
-		}
-
 		info->field_init++;
 		status = acpi_ds_get_buffer_field_arguments (obj_desc);
-		if (ACPI_FAILURE (status)) {
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n"));
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-					"%s while getting buffer field arguments [%4.4s]\n",
-					acpi_format_exception (status), (char*)&node->name));
-		}
-		if (!(acpi_dbg_level & ACPI_LV_INIT)) {
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "."));
-		}
+		break;
+
 
+	case ACPI_TYPE_BUFFER:
 
+		info->buffer_init++;
+		status = acpi_ds_get_buffer_arguments (obj_desc);
+		break;
+
+
+	case ACPI_TYPE_PACKAGE:
+
+		info->package_init++;
+		status = acpi_ds_get_package_arguments (obj_desc);
 		break;
 
 	default:
+		/* No other types can get here */
 		break;
 	}
 
+	if (ACPI_FAILURE (status)) {
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n"));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Could not execute arguments for [%4.4s] (%s), %s\n",
+				node->name.ascii, acpi_ut_get_type_name (type), acpi_format_exception (status)));
+	}
+
+	/* Print a dot for each object unless we are going to print the entire pathname */
+
+	if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "."));
+	}
 
 	/*
 	 * We ignore errors from above, and always return OK, since
-	 * we don't want to abort the walk on a single error.
+	 * we don't want to abort the walk on any single error.
 	 */
 	acpi_ex_exit_interpreter ();
 	return (AE_OK);
@@ -266,7 +310,7 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ns_init_one_device
+ * FUNCTION:    acpi_ns_init_one_device
  *
  * PARAMETERS:  acpi_walk_callback
  *
@@ -280,40 +324,46 @@
 
 acpi_status
 acpi_ns_init_one_device (
-	acpi_handle             obj_handle,
-	u32                     nesting_level,
-	void                    *context,
-	void                    **return_value)
+	acpi_handle                     obj_handle,
+	u32                             nesting_level,
+	void                            *context,
+	void                            **return_value)
 {
-	acpi_status             status;
-	acpi_namespace_node    *node;
-	u32                     flags;
-	acpi_device_walk_info  *info = (acpi_device_walk_info *) context;
+	acpi_status                     status;
+	struct acpi_namespace_node     *node;
+	u32                             flags;
+	struct acpi_device_walk_info   *info = (struct acpi_device_walk_info *) context;
 
 
-	FUNCTION_TRACE ("Ns_init_one_device");
+	ACPI_FUNCTION_TRACE ("ns_init_one_device");
 
 
-	if (!(acpi_dbg_level & ACPI_LV_INIT)) {
-		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_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++;
 
-	acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
+	status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
 
 	node = acpi_ns_map_handle_to_node (obj_handle);
 	if (!node) {
-		acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
-		return (AE_BAD_PARAMETER);
+		(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-	acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+	status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
 
 	/*
 	 * Run _STA to determine if we can run _INI on the device.
 	 */
-	DEBUG_EXEC (acpi_ut_display_init_pathname (node, "_STA [Method]"));
+	ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, node, "_STA"));
 	status = acpi_ut_execute_STA (node, &flags);
 	if (ACPI_FAILURE (status)) {
 		/* Ignore error and move on to next device */
@@ -329,36 +379,41 @@
 		return_ACPI_STATUS(AE_CTRL_DEPTH);
 	}
 
-
 	/*
 	 * The device is present. Run _INI.
 	 */
-	DEBUG_EXEC (acpi_ut_display_init_pathname (obj_handle, "_INI [Method]"));
+	ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, obj_handle, "_INI"));
 	status = acpi_ns_evaluate_relative (obj_handle, "_INI", NULL, NULL);
-	if (AE_NOT_FOUND == status) {
-		/* No _INI means device requires no initialization */
+	if (ACPI_FAILURE (status)) {
+		/* No _INI (AE_NOT_FOUND) means device requires no initialization */
 
-		status = AE_OK;
-	}
+		if (status != AE_NOT_FOUND) {
+			/* Ignore error and move on to next device */
 
-	else if (ACPI_FAILURE (status)) {
-		/* Ignore error and move on to next device */
+	#ifdef ACPI_DEBUG_OUTPUT
+			char                *scope_name = acpi_ns_get_external_pathname (obj_handle);
 
-#ifdef ACPI_DEBUG
-		NATIVE_CHAR *scope_name = acpi_ns_get_table_pathname (obj_handle);
+			ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "%s._INI failed: %s\n",
+					scope_name, acpi_format_exception (status)));
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "%s._INI failed: %s\n",
-				scope_name, acpi_format_exception (status)));
+			ACPI_MEM_FREE (scope_name);
+	#endif
+		}
 
-		ACPI_MEM_FREE (scope_name);
-#endif
+		status = AE_OK;
 	}
-
 	else {
 		/* Count of successful INIs */
 
 		info->num_INI++;
 	}
 
-	return_ACPI_STATUS (AE_OK);
+	if (acpi_gbl_init_handler) {
+		/* External initialization handler is present, call it */
+
+		status = acpi_gbl_init_handler (obj_handle, ACPI_INIT_DEVICE_INI);
+	}
+
+
+	return_ACPI_STATUS (status);
 }

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