Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (179 commits)
  ACPI: Fix acpi_processor_idle and idle= boot parameters interaction
  acpi: fix section mismatch warning in pnpacpi
  intel_menlo: fix build warning
  ACPI: Cleanup: Remove unneeded, multiple local dummy variables
  ACPI: video - fix permissions on some proc entries
  ACPI: video - properly handle errors when registering proc elements
  ACPI: video - do not store invalid entries in attached_array list
  ACPI: re-name acpi_pm_ops to acpi_suspend_ops
  ACER_WMI/ASUS_LAPTOP: fix build bug
  thinkpad_acpi: fix possible NULL pointer dereference if kstrdup failed
  ACPI: check a return value correctly in acpi_power_get_context()
  #if 0 acpi/bay.c:eject_removable_drive()
  eeepc-laptop: add hwmon fan control
  eeepc-laptop: add backlight
  eeepc-laptop: add base driver
  ACPI: thinkpad-acpi: bump up version to 0.20
  ACPI: thinkpad-acpi: fix selects in Kconfig
  ACPI: thinkpad-acpi: use a private workqueue
  ACPI: thinkpad-acpi: fluff really minor fix
  ACPI: thinkpad-acpi: use uppercase for "LED" on user documentation
  ...

Fixed conflicts in drivers/acpi/video.c and drivers/misc/intel_menlow.c
manually.

16 files changed, 133 insertions, 75 deletions

diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index 57faf598bad8..c39a7f68b889 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -208,8 +208,7 @@ acpi_status acpi_ns_root_initialize(void)
                                 /* Special case for ACPI Global Lock */
 
                                 if (ACPI_STRCMP(init_val->name, "_GL_") == 0) {
-                                        acpi_gbl_global_lock_mutex =
-                                            obj_desc->mutex.os_mutex;
+                                        acpi_gbl_global_lock_mutex = obj_desc;
 
                                         /* Create additional counting semaphore for global lock */
 
@@ -582,44 +581,68 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
                         return_ACPI_STATUS(status);
                 }
 
-                /*
-                 * Sanity typecheck of the target object:
-                 *
-                 * If 1) This is the last segment (num_segments == 0)
-                 *    2) And we are looking for a specific type
-                 *       (Not checking for TYPE_ANY)
-                 *    3) Which is not an alias
-                 *    4) Which is not a local type (TYPE_SCOPE)
-                 *    5) And the type of target object is known (not TYPE_ANY)
-                 *    6) And target object does not match what we are looking for
-                 *
-                 * Then we have a type mismatch.  Just warn and ignore it.
-                 */
-                if ((num_segments == 0) &&
-                    (type_to_check_for != ACPI_TYPE_ANY) &&
-                    (type_to_check_for != ACPI_TYPE_LOCAL_ALIAS) &&
-                    (type_to_check_for != ACPI_TYPE_LOCAL_METHOD_ALIAS) &&
-                    (type_to_check_for != ACPI_TYPE_LOCAL_SCOPE) &&
-                    (this_node->type != ACPI_TYPE_ANY) &&
-                    (this_node->type != type_to_check_for)) {
-
-                        /* Complain about a type mismatch */
-
-                        ACPI_WARNING((AE_INFO,
-                                      "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
-                                      (type_to_check_for)));
+                /* More segments to follow? */
+
+                if (num_segments > 0) {
+                        /*
+                         * If we have an alias to an object that opens a scope (such as a
+                         * device or processor), we need to dereference the alias here so that
+                         * we can access any children of the original node (via the remaining
+                         * segments).
+                         */
+                        if (this_node->type == ACPI_TYPE_LOCAL_ALIAS) {
+                                if (acpi_ns_opens_scope
+                                    (((struct acpi_namespace_node *)this_node->
+                                      object)->type)) {
+                                        this_node =
+                                            (struct acpi_namespace_node *)
+                                            this_node->object;
+                                }
+                        }
                 }
 
-                /*
-                 * If this is the last name segment and we are not looking for a
-                 * specific type, but the type of found object is known, use that type
-                 * to see if it opens a scope.
-                 */
-                if ((num_segments == 0) && (type == ACPI_TYPE_ANY)) {
-                        type = this_node->type;
+                /* Special handling for the last segment (num_segments == 0) */
+
+                else {
+                        /*
+                         * Sanity typecheck of the target object:
+                         *
+                         * If 1) This is the last segment (num_segments == 0)
+                         *    2) And we are looking for a specific type
+                         *       (Not checking for TYPE_ANY)
+                         *    3) Which is not an alias
+                         *    4) Which is not a local type (TYPE_SCOPE)
+                         *    5) And the type of target object is known (not TYPE_ANY)
+                         *    6) And target object does not match what we are looking for
+                         *
+                         * Then we have a type mismatch. Just warn and ignore it.
+                         */
+                        if ((type_to_check_for != ACPI_TYPE_ANY) &&
+                            (type_to_check_for != ACPI_TYPE_LOCAL_ALIAS) &&
+                            (type_to_check_for != ACPI_TYPE_LOCAL_METHOD_ALIAS)
+                            && (type_to_check_for != ACPI_TYPE_LOCAL_SCOPE)
+                            && (this_node->type != ACPI_TYPE_ANY)
+                            && (this_node->type != type_to_check_for)) {
+
+                                /* Complain about a type mismatch */
+
+                                ACPI_WARNING((AE_INFO,
+                                              "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
+                                              (type_to_check_for)));
+                        }
+
+                        /*
+                         * If this is the last name segment and we are not looking for a
+                         * specific type, but the type of found object is known, use that type
+                         * to (later) see if it opens a scope.
+                         */
+                        if (type == ACPI_TYPE_ANY) {
+                                type = this_node->type;
+                        }
                 }
 
                 /* Point to next name segment and make this node current */
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 1d693d8ad2d8..3a1740ac2edc 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index 1fc4f86676e1..5445751b8a3e 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -249,7 +249,9 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
                         acpi_os_printf("ID %X Len %.4X Addr %p\n",
                                        obj_desc->processor.proc_id,
                                        obj_desc->processor.length,
-                                       (char *)obj_desc->processor.address);
+                                       ACPI_CAST_PTR(void,
+                                                     obj_desc->processor.
+                                                     address));
                         break;
 
                 case ACPI_TYPE_DEVICE:
@@ -320,9 +322,8 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
                                                                space_id));
                         if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
                                 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
-                                               ACPI_FORMAT_UINT64(obj_desc->
-                                                                  region.
-                                                                  address),
+                                               ACPI_FORMAT_NATIVE_UINT
+                                               (obj_desc->region.address),
                                                obj_desc->region.length);
                         } else {
                                 acpi_os_printf
diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/namespace/nsdumpdv.c
index 5097e167939e..428f50fde11a 100644
--- a/drivers/acpi/namespace/nsdumpdv.c
+++ b/drivers/acpi/namespace/nsdumpdv.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 97b2ac57c16b..14bdfa92bea0 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index 33db2241044e..6d6d930c8e18 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -244,6 +244,10 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
                 info->field_count++;
                 break;
 
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+                info->field_count++;
+                break;
+
         case ACPI_TYPE_BUFFER:
                 info->buffer_count++;
                 break;
@@ -287,6 +291,12 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
                 status = acpi_ds_get_buffer_field_arguments(obj_desc);
                 break;
 
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+                info->field_init++;
+                status = acpi_ds_get_bank_field_arguments(obj_desc);
+                break;
+
         case ACPI_TYPE_BUFFER:
 
                 info->buffer_init++;
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index d4f9654fd20f..2c92f6cf5ce1 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -107,11 +107,11 @@ acpi_ns_load_table(acpi_native_uint table_index,
                 goto unlock;
         }
 
-        status = acpi_ns_parse_table(table_index, node->child);
+        status = acpi_ns_parse_table(table_index, node);
         if (ACPI_SUCCESS(status)) {
                 acpi_tb_set_table_loaded_flag(table_index, TRUE);
         } else {
-                acpi_tb_release_owner_id(table_index);
+                (void)acpi_tb_release_owner_id(table_index);
         }
 
       unlock:
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index cbd94af08cc5..cffef1bcbdbc 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -180,6 +180,12 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
         next_node = node;
 
         while (next_node && (next_node != acpi_gbl_root_node)) {
+                if (ACPI_GET_DESCRIPTOR_TYPE(next_node) != ACPI_DESC_TYPE_NAMED) {
+                        ACPI_ERROR((AE_INFO,
+                                    "Invalid NS Node (%p) while traversing path",
+                                    next_node));
+                        return 0;
+                }
                 size += ACPI_PATH_SEGMENT_LENGTH;
                 next_node = acpi_ns_get_parent_node(next_node);
         }
diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c
index d9d7377bc6e6..15fe09e24f71 100644
--- a/drivers/acpi/namespace/nsobject.c
+++ b/drivers/acpi/namespace/nsobject.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index e696aa847990..46a79b0103b6 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -64,7 +64,8 @@ ACPI_MODULE_NAME("nsparse")
  ******************************************************************************/
 acpi_status
 acpi_ns_one_complete_parse(acpi_native_uint pass_number,
-                           acpi_native_uint table_index)
+                           acpi_native_uint table_index,
+                           struct acpi_namespace_node * start_node)
 {
         union acpi_parse_object *parse_root;
         acpi_status status;
@@ -111,14 +112,25 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
                 aml_start = (u8 *) table + sizeof(struct acpi_table_header);
                 aml_length = table->length - sizeof(struct acpi_table_header);
                 status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL,
-                                               aml_start, aml_length, NULL,
-                                               (u8) pass_number);
+                                               aml_start, (u32) aml_length,
+                                               NULL, (u8) pass_number);
         }
 
         if (ACPI_FAILURE(status)) {
                 acpi_ds_delete_walk_state(walk_state);
-                acpi_ps_delete_parse_tree(parse_root);
-                return_ACPI_STATUS(status);
+                goto cleanup;
+        }
+
+        /* start_node is the default location to load the table */
+
+        if (start_node && start_node != acpi_gbl_root_node) {
+                status =
+                    acpi_ds_scope_stack_push(start_node, ACPI_TYPE_METHOD,
+                                             walk_state);
+                if (ACPI_FAILURE(status)) {
+                        acpi_ds_delete_walk_state(walk_state);
+                        goto cleanup;
+                }
         }
 
         /* Parse the AML */
@@ -127,6 +139,7 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
                           (unsigned)pass_number));
         status = acpi_ps_parse_aml(walk_state);
 
+      cleanup:
         acpi_ps_delete_parse_tree(parse_root);
         return_ACPI_STATUS(status);
 }
@@ -163,7 +176,9 @@ acpi_ns_parse_table(acpi_native_uint table_index,
          * performs another complete parse of the AML.
          */
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n"));
-        status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, table_index);
+        status =
+            acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, table_index,
+                                       start_node);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -178,7 +193,9 @@ acpi_ns_parse_table(acpi_native_uint table_index,
          * parse objects are all cached.
          */
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 2\n"));
-        status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2, table_index);
+        status =
+            acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2, table_index,
+                                       start_node);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index e863be665ce8..8399276cba1e 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c
index 90fd059615ff..64c039843ed2 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/namespace/nsutils.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/namespace/nswalk.c
index 280b8357c46c..3c905ce26d7d 100644
--- a/drivers/acpi/namespace/nswalk.c
+++ b/drivers/acpi/namespace/nswalk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -77,9 +77,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct
 
                 /* It's really the parent's _scope_ that we want */
 
-                if (parent_node->child) {
-                        next_node = parent_node->child;
-                }
+                next_node = parent_node->child;
         }
 
         else {
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index b92133faf5b7..a8d549187c84 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -467,10 +467,13 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
                 return (AE_CTRL_DEPTH);
         }
 
-        if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
-
-                /* Don't examine children of the device if not present */
-
+        if (!(flags & ACPI_STA_DEVICE_PRESENT) &&
+            !(flags & ACPI_STA_DEVICE_FUNCTIONING)) {
+                /*
+                 * Don't examine the children of the device only when the
+                 * device is neither present nor functional. See ACPI spec,
+                 * description of _STA for more information.
+                 */
                 return (AE_CTRL_DEPTH);
         }
 
@@ -539,7 +542,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
  *              value is returned to the caller.
  *
  *              This is a wrapper for walk_namespace, but the callback performs
- *              additional filtering. Please see acpi_get_device_callback.
+ *              additional filtering. Please see acpi_ns_get_device_callback.
  *
  ******************************************************************************/
 
diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/namespace/nsxfname.c
index b489781b22a8..a287ed550f54 100644
--- a/drivers/acpi/namespace/nsxfname.c
+++ b/drivers/acpi/namespace/nsxfname.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nsxfobj.c b/drivers/acpi/namespace/nsxfobj.c
index faa375887201..2b375ee80cef 100644
--- a/drivers/acpi/namespace/nsxfobj.c
+++ b/drivers/acpi/namespace/nsxfobj.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without