patch-2.4.22 linux-2.4.22/drivers/acpi/executer/exsystem.c

• Lines: 402
• Date: 2003-08-25 04:44:41.000000000 -0700
• Orig file: linux-2.4.21/drivers/acpi/executer/exsystem.c
• Orig date: 2001-09-23 09:42:32.000000000 -0700

diff -urN linux-2.4.21/drivers/acpi/executer/exsystem.c linux-2.4.22/drivers/acpi/executer/exsystem.c
@@ -2,42 +2,58 @@
 /******************************************************************************
  *
  * Module Name: exsystem - Interface to OS services
- *              $Revision: 67 $
  *
  *****************************************************************************/
 
 /*
- *  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 "acinterp.h"
-#include "acnamesp.h"
-#include "achware.h"
-#include "acevents.h"
+#include <acpi/acpi.h>
+#include <acpi/acinterp.h>
+#include <acpi/acevents.h>
 
 #define _COMPONENT          ACPI_EXECUTER
-	 MODULE_NAME         ("exsystem")
+	 ACPI_MODULE_NAME    ("exsystem")
 
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ex_system_wait_semaphore
+ * FUNCTION:    acpi_ex_system_wait_semaphore
  *
  * PARAMETERS:  Semaphore           - OSD semaphore to wait on
  *              Timeout             - Max time to wait
@@ -52,13 +68,14 @@
 
 acpi_status
 acpi_ex_system_wait_semaphore (
-	acpi_handle             semaphore,
-	u32                     timeout)
+	acpi_handle                     semaphore,
+	u16                             timeout)
 {
-	acpi_status             status;
+	acpi_status                     status;
+	acpi_status                     status2;
 
 
-	FUNCTION_TRACE ("Ex_system_wait_semaphore");
+	ACPI_FUNCTION_TRACE ("ex_system_wait_semaphore");
 
 
 	status = acpi_os_wait_semaphore (semaphore, 1, 0);
@@ -78,11 +95,11 @@
 
 		/* Reacquire the interpreter */
 
-		status = acpi_ex_enter_interpreter ();
-		if (ACPI_SUCCESS (status)) {
-			/* Restore the timeout exception */
+		status2 = acpi_ex_enter_interpreter ();
+		if (ACPI_FAILURE (status2)) {
+			/* Report fatal error, could not acquire interpreter */
 
-			status = AE_TIME;
+			return_ACPI_STATUS (status2);
 		}
 	}
 
@@ -92,21 +109,24 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ex_system_do_stall
+ * FUNCTION:    acpi_ex_system_do_stall
  *
- * PARAMETERS:  How_long            - The amount of time to stall
+ * PARAMETERS:  how_long            - The amount of time to stall
  *
- * RETURN:      None
+ * RETURN:      Status
  *
  * DESCRIPTION: Suspend running thread for specified amount of time.
  *
  ******************************************************************************/
 
-void
+acpi_status
 acpi_ex_system_do_stall (
-	u32                     how_long)
+	u32                             how_long)
 {
-	FUNCTION_ENTRY ();
+	acpi_status                     status = AE_OK;
+
+
+	ACPI_FUNCTION_ENTRY ();
 
 
 	if (how_long > 1000) /* 1 millisecond */ {
@@ -114,24 +134,26 @@
 
 		acpi_ex_exit_interpreter ();
 
-		acpi_os_stall (how_long);
+		acpi_os_sleep (0, (how_long / 1000) + 1);
 
 		/* And now we must get the interpreter again */
 
-		acpi_ex_enter_interpreter ();
+		status = acpi_ex_enter_interpreter ();
 	}
 
 	else {
-		acpi_os_sleep (0, (how_long / 1000) + 1);
+		acpi_os_stall (how_long);
 	}
+
+	return (status);
 }
 
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ex_system_do_suspend
+ * FUNCTION:    acpi_ex_system_do_suspend
  *
- * PARAMETERS:  How_long            - The amount of time to suspend
+ * PARAMETERS:  how_long            - The amount of time to suspend
  *
  * RETURN:      None
  *
@@ -139,12 +161,14 @@
  *
  ******************************************************************************/
 
-void
+acpi_status
 acpi_ex_system_do_suspend (
-	u32                     how_long)
+	u32                             how_long)
 {
+	acpi_status                     status;
 
-	FUNCTION_ENTRY ();
+
+	ACPI_FUNCTION_ENTRY ();
 
 
 	/* Since this thread will sleep, we must release the interpreter */
@@ -156,34 +180,35 @@
 
 	/* And now we must get the interpreter again */
 
-	acpi_ex_enter_interpreter ();
+	status = acpi_ex_enter_interpreter ();
+	return (status);
 }
 
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ex_system_acquire_mutex
+ * FUNCTION:    acpi_ex_system_acquire_mutex
  *
- * PARAMETERS:  *Time_desc          - The 'time to delay' object descriptor
- *              *Obj_desc           - The object descriptor for this op
+ * PARAMETERS:  *time_desc          - The 'time to delay' object descriptor
+ *              *obj_desc           - The object descriptor for this op
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Provides an access point to perform synchronization operations
  *              within the AML.  This function will cause a lock to be generated
- *              for the Mutex pointed to by Obj_desc.
+ *              for the Mutex pointed to by obj_desc.
  *
  ******************************************************************************/
 
 acpi_status
 acpi_ex_system_acquire_mutex (
-	acpi_operand_object     *time_desc,
-	acpi_operand_object     *obj_desc)
+	union acpi_operand_object       *time_desc,
+	union acpi_operand_object       *obj_desc)
 {
-	acpi_status             status = AE_OK;
+	acpi_status                     status = AE_OK;
 
 
-	FUNCTION_TRACE_PTR ("Ex_system_acquire_mutex", obj_desc);
+	ACPI_FUNCTION_TRACE_PTR ("ex_system_acquire_mutex", obj_desc);
 
 
 	if (!obj_desc) {
@@ -194,21 +219,21 @@
 	 * Support for the _GL_ Mutex object -- go get the global lock
 	 */
 	if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
-		status = acpi_ev_acquire_global_lock ();
+		status = acpi_ev_acquire_global_lock ((u16) time_desc->integer.value);
 		return_ACPI_STATUS (status);
 	}
 
 	status = acpi_ex_system_wait_semaphore (obj_desc->mutex.semaphore,
-			  (u32) time_desc->integer.value);
+			  (u16) time_desc->integer.value);
 	return_ACPI_STATUS (status);
 }
 
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ex_system_release_mutex
+ * FUNCTION:    acpi_ex_system_release_mutex
  *
- * PARAMETERS:  *Obj_desc           - The object descriptor for this op
+ * PARAMETERS:  *obj_desc           - The object descriptor for this op
  *
  * RETURN:      Status
  *
@@ -221,12 +246,12 @@
 
 acpi_status
 acpi_ex_system_release_mutex (
-	acpi_operand_object     *obj_desc)
+	union acpi_operand_object       *obj_desc)
 {
-	acpi_status             status = AE_OK;
+	acpi_status                     status = AE_OK;
 
 
-	FUNCTION_TRACE ("Ex_system_release_mutex");
+	ACPI_FUNCTION_TRACE ("ex_system_release_mutex");
 
 
 	if (!obj_desc) {
@@ -237,8 +262,8 @@
 	 * Support for the _GL_ Mutex object -- release the global lock
 	 */
 	if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
-		acpi_ev_release_global_lock ();
-		return_ACPI_STATUS (AE_OK);
+		status = acpi_ev_release_global_lock ();
+		return_ACPI_STATUS (status);
 	}
 
 	status = acpi_os_signal_semaphore (obj_desc->mutex.semaphore, 1);
@@ -248,9 +273,9 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ex_system_signal_event
+ * FUNCTION:    acpi_ex_system_signal_event
  *
- * PARAMETERS:  *Obj_desc           - The object descriptor for this op
+ * PARAMETERS:  *obj_desc           - The object descriptor for this op
  *
  * RETURN:      AE_OK
  *
@@ -261,12 +286,12 @@
 
 acpi_status
 acpi_ex_system_signal_event (
-	acpi_operand_object     *obj_desc)
+	union acpi_operand_object       *obj_desc)
 {
-	acpi_status             status = AE_OK;
+	acpi_status                     status = AE_OK;
 
 
-	FUNCTION_TRACE ("Ex_system_signal_event");
+	ACPI_FUNCTION_TRACE ("ex_system_signal_event");
 
 
 	if (obj_desc) {
@@ -279,10 +304,10 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ex_system_wait_event
+ * FUNCTION:    acpi_ex_system_wait_event
  *
- * PARAMETERS:  *Time_desc          - The 'time to delay' object descriptor
- *              *Obj_desc           - The object descriptor for this op
+ * PARAMETERS:  *time_desc          - The 'time to delay' object descriptor
+ *              *obj_desc           - The object descriptor for this op
  *
  * RETURN:      Status
  *
@@ -294,30 +319,29 @@
 
 acpi_status
 acpi_ex_system_wait_event (
-	acpi_operand_object     *time_desc,
-	acpi_operand_object     *obj_desc)
+	union acpi_operand_object       *time_desc,
+	union acpi_operand_object       *obj_desc)
 {
-	acpi_status             status = AE_OK;
+	acpi_status                     status = AE_OK;
 
 
-	FUNCTION_TRACE ("Ex_system_wait_event");
+	ACPI_FUNCTION_TRACE ("ex_system_wait_event");
 
 
 	if (obj_desc) {
 		status = acpi_ex_system_wait_semaphore (obj_desc->event.semaphore,
-				  (u32) time_desc->integer.value);
+				  (u16) time_desc->integer.value);
 	}
 
-
 	return_ACPI_STATUS (status);
 }
 
 
 /*******************************************************************************
  *
- * FUNCTION:    Acpi_ex_system_reset_event
+ * FUNCTION:    acpi_ex_system_reset_event
  *
- * PARAMETERS:  *Obj_desc           - The object descriptor for this op
+ * PARAMETERS:  *obj_desc           - The object descriptor for this op
  *
  * RETURN:      Status
  *
@@ -327,13 +351,13 @@
 
 acpi_status
 acpi_ex_system_reset_event (
-	acpi_operand_object     *obj_desc)
+	union acpi_operand_object       *obj_desc)
 {
-	acpi_status             status = AE_OK;
-	void                    *temp_semaphore;
+	acpi_status                     status = AE_OK;
+	void                            *temp_semaphore;
 
 
-	FUNCTION_ENTRY ();
+	ACPI_FUNCTION_ENTRY ();
 
 
 	/*
@@ -342,7 +366,7 @@
 	 */
 	status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore);
 	if (ACPI_SUCCESS (status)) {
-		acpi_os_delete_semaphore (obj_desc->event.semaphore);
+		(void) acpi_os_delete_semaphore (obj_desc->event.semaphore);
 		obj_desc->event.semaphore = temp_semaphore;
 	}