Pull now into release branch

10 files changed, 125 insertions, 112 deletions

diff --git a/Documentation/thinkpad-acpi.txt b/Documentation/thinkpad-acpi.txt
index 2d4803359a04..9e6b94face4b 100644
--- a/Documentation/thinkpad-acpi.txt
+++ b/Documentation/thinkpad-acpi.txt
@@ -138,7 +138,7 @@ Hot keys
 --------
 
 procfs: /proc/acpi/ibm/hotkey
-sysfs device attribute: hotkey/*
+sysfs device attribute: hotkey_*
 
 Without this driver, only the Fn-F4 key (sleep button) generates an
 ACPI event. With the driver loaded, the hotkey feature enabled and the
@@ -196,10 +196,7 @@ The following commands can be written to the /proc/acpi/ibm/hotkey file:
 
 sysfs notes:
 
-        The hot keys attributes are in a hotkey/ subdirectory off the
-        thinkpad device.
-
-        bios_enabled:
+        hotkey_bios_enabled:
                 Returns the status of the hot keys feature when
                 thinkpad-acpi was loaded.  Upon module unload, the hot
                 key feature status will be restored to this value.
@@ -207,19 +204,19 @@ sysfs notes:
                 0: hot keys were disabled
                 1: hot keys were enabled
 
-        bios_mask:
+        hotkey_bios_mask:
                 Returns the hot keys mask when thinkpad-acpi was loaded.
                 Upon module unload, the hot keys mask will be restored
                 to this value.
 
-        enable:
+        hotkey_enable:
                 Enables/disables the hot keys feature, and reports
                 current status of the hot keys feature.
 
                 0: disables the hot keys feature / feature disabled
                 1: enables the hot keys feature / feature enabled
 
-        mask:
+        hotkey_mask:
                 bit mask to enable ACPI event generation for each hot
                 key (see above).  Returns the current status of the hot
                 keys mask, and allows one to modify it.
@@ -229,7 +226,7 @@ Bluetooth
 ---------
 
 procfs: /proc/acpi/ibm/bluetooth
-sysfs device attribute: bluetooth/enable
+sysfs device attribute: bluetooth_enable
 
 This feature shows the presence and current state of a ThinkPad
 Bluetooth device in the internal ThinkPad CDC slot.
@@ -244,7 +241,7 @@ If Bluetooth is installed, the following commands can be used:
 Sysfs notes:
 
         If the Bluetooth CDC card is installed, it can be enabled /
-        disabled through the "bluetooth/enable" thinkpad-acpi device
+        disabled through the "bluetooth_enable" thinkpad-acpi device
         attribute, and its current status can also be queried.
 
         enable:
@@ -252,7 +249,7 @@ Sysfs notes:
                 1: enables Bluetooth / Bluetooth is enabled.
 
         Note: this interface will be probably be superseeded by the
-        generic rfkill class.
+        generic rfkill class, so it is NOT to be considered stable yet.
 
 Video output control -- /proc/acpi/ibm/video
 --------------------------------------------
@@ -898,7 +895,7 @@ EXPERIMENTAL: WAN
 -----------------
 
 procfs: /proc/acpi/ibm/wan
-sysfs device attribute: wwan/enable
+sysfs device attribute: wwan_enable
 
 This feature is marked EXPERIMENTAL because the implementation
 directly accesses hardware registers and may not work as expected. USE
@@ -921,7 +918,7 @@ If the W-WAN card is installed, the following commands can be used:
 Sysfs notes:
 
         If the W-WAN card is installed, it can be enabled /
-        disabled through the "wwan/enable" thinkpad-acpi device
+        disabled through the "wwan_enable" thinkpad-acpi device
         attribute, and its current status can also be queried.
 
         enable:
@@ -929,7 +926,7 @@ Sysfs notes:
                 1: enables WWAN card / WWAN card is enabled.
 
         Note: this interface will be probably be superseeded by the
-        generic rfkill class.
+        generic rfkill class, so it is NOT to be considered stable yet.
 
 Multiple Commands, Module Parameters
 ------------------------------------
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index a2efae8a4c4e..0c9f15c54e8c 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -59,7 +59,7 @@ int node_to_pxm(int node)
         return node_to_pxm_map[node];
 }
 
-int __cpuinit acpi_map_pxm_to_node(int pxm)
+int acpi_map_pxm_to_node(int pxm)
 {
         int node = pxm_to_node_map[pxm];
 
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 0e7b121a99ce..3bc0c67a9283 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -123,14 +123,14 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc,
                 }
         }
 
-        /* The table must be either an SSDT or a PSDT */
+        /* The table must be either an SSDT or a PSDT or an OEMx */
 
         if ((!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT))
             &&
-            (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)))
-        {
+            (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT))
+            && (strncmp(table_desc->pointer->signature, "OEM", 3))) {
                 ACPI_ERROR((AE_INFO,
-                            "Table has invalid signature [%4.4s], must be SSDT or PSDT",
+                            "Table has invalid signature [%4.4s], must be SSDT, PSDT or OEMx",
                             table_desc->pointer->signature));
                 return_ACPI_STATUS(AE_BAD_SIGNATURE);
         }
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 1ada017d01ef..194ecfe8b360 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -827,6 +827,7 @@ static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file)
 static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 {
         struct acpi_thermal *tz = seq->private;
+        struct acpi_device *device;
         int i = 0;
         int j = 0;
 
@@ -849,9 +850,8 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
                            tz->trips.passive.tc1, tz->trips.passive.tc2,
                            tz->trips.passive.tsp);
                 for (j = 0; j < tz->trips.passive.devices.count; j++) {
-
-                        seq_printf(seq, "0x%p ",
-                                   tz->trips.passive.devices.handles[j]);
+                        acpi_bus_get_device(tz->trips.passive.devices.handles[j], &device);
+                        seq_printf(seq, "%4.4s ", acpi_device_bid(device));
                 }
                 seq_puts(seq, "\n");
         }
@@ -862,9 +862,10 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
                 seq_printf(seq, "active[%d]:               %ld C: devices=",
                            i,
                            KELVIN_TO_CELSIUS(tz->trips.active[i].temperature));
-                for (j = 0; j < tz->trips.active[i].devices.count; j++)
-                        seq_printf(seq, "0x%p ",
-                                   tz->trips.active[i].devices.handles[j]);
+                for (j = 0; j < tz->trips.active[i].devices.count; j++){
+                        acpi_bus_get_device(tz->trips.active[i].devices.handles[j], &device);
+                        seq_printf(seq, "%4.4s ", acpi_device_bid(device));
+                }
                 seq_puts(seq, "\n");
         }
 
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 4c1e00874dff..879eaa10d3ae 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -68,6 +68,10 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *user_obj,
                                 union acpi_operand_object **return_obj);
 
 static acpi_status
+acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
+                                  union acpi_operand_object **internal_object);
+
+static acpi_status
 acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
                            union acpi_operand_object *dest_desc);
 
@@ -518,77 +522,73 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
         return_ACPI_STATUS(AE_NO_MEMORY);
 }
 
-#ifdef ACPI_FUTURE_IMPLEMENTATION
-/* Code to convert packages that are parameters to control methods */
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_copy_epackage_to_ipackage
  *
- * PARAMETERS:  *internal_object   - Pointer to the object we are returning
- *              *Buffer            - Where the object is returned
- *              *space_used        - Where the length of the object is returned
+ * PARAMETERS:  external_object     - The external object to be converted
+ *              internal_object     - Where the internal object is returned
  *
  * RETURN:      Status
  *
- * DESCRIPTION: This function is called to place a package object in a user
- *              buffer.  A package object by definition contains other objects.
- *
- *              The buffer is assumed to have sufficient space for the object.
- *              The caller must have verified the buffer length needed using the
- *              acpi_ut_get_object_size function before calling this function.
+ * DESCRIPTION: Copy an external package object to an internal package.
+ *              Handles nested packages.
  *
  ******************************************************************************/
 
 static acpi_status
-acpi_ut_copy_epackage_to_ipackage(union acpi_operand_object *internal_object,
-                                  u8 * buffer, u32 * space_used)
+acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
+                                  union acpi_operand_object **internal_object)
 {
-        u8 *free_space;
-        union acpi_object *external_object;
-        u32 length = 0;
-        u32 this_index;
-        u32 object_space = 0;
-        union acpi_operand_object *this_internal_obj;
-        union acpi_object *this_external_obj;
+        acpi_status status = AE_OK;
+        union acpi_operand_object *package_object;
+        union acpi_operand_object **package_elements;
+        acpi_native_uint i;
 
         ACPI_FUNCTION_TRACE(ut_copy_epackage_to_ipackage);
 
-        /*
-         * First package at head of the buffer
-         */
-        external_object = (union acpi_object *)buffer;
+        /* Create the package object */
 
-        /*
-         * Free space begins right after the first package
-         */
-        free_space = buffer + sizeof(union acpi_object);
+        package_object =
+            acpi_ut_create_package_object(external_object->package.count);
+        if (!package_object) {
+                return_ACPI_STATUS(AE_NO_MEMORY);
+        }
 
-        external_object->type = ACPI_GET_OBJECT_TYPE(internal_object);
-        external_object->package.count = internal_object->package.count;
-        external_object->package.elements = (union acpi_object *)free_space;
+        package_elements = package_object->package.elements;
 
         /*
-         * Build an array of ACPI_OBJECTS in the buffer
-         * and move the free space past it
+         * Recursive implementation. Probably ok, since nested external packages
+         * as parameters should be very rare.
          */
-        free_space +=
-            external_object->package.count * sizeof(union acpi_object);
+        for (i = 0; i < external_object->package.count; i++) {
+                status =
+                    acpi_ut_copy_eobject_to_iobject(&external_object->package.
+                                                    elements[i],
+                                                    &package_elements[i]);
+                if (ACPI_FAILURE(status)) {
 
-        /* Call walk_package */
+                        /* Truncate package and delete it */
 
-}
+                        package_object->package.count = i;
+                        package_elements[i] = NULL;
+                        acpi_ut_remove_reference(package_object);
+                        return_ACPI_STATUS(status);
+                }
+        }
 
-#endif                          /* Future implementation */
+        *internal_object = package_object;
+        return_ACPI_STATUS(status);
+}
 
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_copy_eobject_to_iobject
  *
- * PARAMETERS:  *internal_object   - The external object to be converted
- *              *buffer_ptr     - Where the internal object is returned
+ * PARAMETERS:  external_object     - The external object to be converted
+ *              internal_object     - Where the internal object is returned
  *
- * RETURN:      Status          - the status of the call
+ * RETURN:      Status              - the status of the call
  *
  * DESCRIPTION: Converts an external object to an internal object.
  *
@@ -603,16 +603,10 @@ acpi_ut_copy_eobject_to_iobject(union acpi_object *external_object,
         ACPI_FUNCTION_TRACE(ut_copy_eobject_to_iobject);
 
         if (external_object->type == ACPI_TYPE_PACKAGE) {
-                /*
-                 * Packages as external input to control methods are not supported,
-                 */
-                ACPI_ERROR((AE_INFO,
-                            "Packages as parameters not implemented!"));
-
-                return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
-        }
-
-        else {
+                status =
+                    acpi_ut_copy_epackage_to_ipackage(external_object,
+                                                      internal_object);
+        } else {
                 /*
                  * Build a simple object (no nested objects)
                  */
@@ -803,33 +797,19 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type,
                  * Create and build the package object
                  */
                 target_object =
-                    acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
+                    acpi_ut_create_package_object(source_object->package.count);
                 if (!target_object) {
                         return (AE_NO_MEMORY);
                 }
 
-                target_object->package.count = source_object->package.count;
                 target_object->common.flags = source_object->common.flags;
 
-                /*
-                 * Create the object array
-                 */
-                target_object->package.elements =
-                    ACPI_ALLOCATE_ZEROED(((acpi_size) source_object->package.
-                                          count + 1) * sizeof(void *));
-                if (!target_object->package.elements) {
-                        status = AE_NO_MEMORY;
-                        goto error_exit;
-                }
+                /* Pass the new package object back to the package walk routine */
 
-                /*
-                 * Pass the new package object back to the package walk routine
-                 */
                 state->pkg.this_target_obj = target_object;
 
-                /*
-                 * Store the object pointer in the parent package object
-                 */
+                /* Store the object pointer in the parent package object */
+
                 *this_target_ptr = target_object;
                 break;
 
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index 4696124759e1..db0b9bac7945 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -146,6 +146,48 @@ union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ut_create_package_object
+ *
+ * PARAMETERS:  Count               - Number of package elements
+ *
+ * RETURN:      Pointer to a new Package object, null on failure
+ *
+ * DESCRIPTION: Create a fully initialized package object
+ *
+ ******************************************************************************/
+
+union acpi_operand_object *acpi_ut_create_package_object(u32 count)
+{
+        union acpi_operand_object *package_desc;
+        union acpi_operand_object **package_elements;
+
+        ACPI_FUNCTION_TRACE_U32(ut_create_package_object, count);
+
+        /* Create a new Package object */
+
+        package_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
+        if (!package_desc) {
+                return_PTR(NULL);
+        }
+
+        /*
+         * Create the element array. Count+1 allows the array to be null
+         * terminated.
+         */
+        package_elements = ACPI_ALLOCATE_ZEROED((acpi_size)
+                                                (count + 1) * sizeof(void *));
+        if (!package_elements) {
+                ACPI_FREE(package_desc);
+                return_PTR(NULL);
+        }
+
+        package_desc->package.count = count;
+        package_desc->package.elements = package_elements;
+        return_PTR(package_desc);
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ut_create_buffer_object
  *
  * PARAMETERS:  buffer_size            - Size of buffer to be created
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 6c36a55cb3d1..95c0b96e83f2 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -740,7 +740,7 @@ static ssize_t hotkey_enable_store(struct device *dev,
 }
 
 static struct device_attribute dev_attr_hotkey_enable =
-        __ATTR(enable, S_IWUSR | S_IRUGO,
+        __ATTR(hotkey_enable, S_IWUSR | S_IRUGO,
                 hotkey_enable_show, hotkey_enable_store);
 
 /* sysfs hotkey mask --------------------------------------------------- */
@@ -775,7 +775,7 @@ static ssize_t hotkey_mask_store(struct device *dev,
 }
 
 static struct device_attribute dev_attr_hotkey_mask =
-        __ATTR(mask, S_IWUSR | S_IRUGO,
+        __ATTR(hotkey_mask, S_IWUSR | S_IRUGO,
                 hotkey_mask_show, hotkey_mask_store);
 
 /* sysfs hotkey bios_enabled ------------------------------------------- */
@@ -787,7 +787,7 @@ static ssize_t hotkey_bios_enabled_show(struct device *dev,
 }
 
 static struct device_attribute dev_attr_hotkey_bios_enabled =
-        __ATTR(bios_enabled, S_IRUGO, hotkey_bios_enabled_show, NULL);
+        __ATTR(hotkey_bios_enabled, S_IRUGO, hotkey_bios_enabled_show, NULL);
 
 /* sysfs hotkey bios_mask ---------------------------------------------- */
 static ssize_t hotkey_bios_mask_show(struct device *dev,
@@ -798,7 +798,7 @@ static ssize_t hotkey_bios_mask_show(struct device *dev,
 }
 
 static struct device_attribute dev_attr_hotkey_bios_mask =
-        __ATTR(bios_mask, S_IRUGO, hotkey_bios_mask_show, NULL);
+        __ATTR(hotkey_bios_mask, S_IRUGO, hotkey_bios_mask_show, NULL);
 
 /* --------------------------------------------------------------------- */
 
@@ -824,8 +824,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
                 str_supported(tp_features.hotkey));
 
         if (tp_features.hotkey) {
-                hotkey_dev_attributes = create_attr_set(4,
-                                                TPACPI_HOTKEY_SYSFS_GROUP);
+                hotkey_dev_attributes = create_attr_set(4, NULL);
                 if (!hotkey_dev_attributes)
                         return -ENOMEM;
                 res = add_to_attr_set(hotkey_dev_attributes,
@@ -1050,7 +1049,7 @@ static ssize_t bluetooth_enable_store(struct device *dev,
 }
 
 static struct device_attribute dev_attr_bluetooth_enable =
-        __ATTR(enable, S_IWUSR | S_IRUGO,
+        __ATTR(bluetooth_enable, S_IWUSR | S_IRUGO,
                 bluetooth_enable_show, bluetooth_enable_store);
 
 /* --------------------------------------------------------------------- */
@@ -1061,7 +1060,6 @@ static struct attribute *bluetooth_attributes[] = {
 };
 
 static const struct attribute_group bluetooth_attr_group = {
-        .name = TPACPI_BLUETH_SYSFS_GROUP,
         .attrs = bluetooth_attributes,
 };
 
@@ -1215,7 +1213,7 @@ static ssize_t wan_enable_store(struct device *dev,
 }
 
 static struct device_attribute dev_attr_wan_enable =
-        __ATTR(enable, S_IWUSR | S_IRUGO,
+        __ATTR(wwan_enable, S_IWUSR | S_IRUGO,
                 wan_enable_show, wan_enable_store);
 
 /* --------------------------------------------------------------------- */
@@ -1226,7 +1224,6 @@ static struct attribute *wan_attributes[] = {
 };
 
 static const struct attribute_group wan_attr_group = {
-        .name = TPACPI_WAN_SYSFS_GROUP,
         .attrs = wan_attributes,
 };
 
diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
index 440145a02617..72d62f2dabb9 100644
--- a/drivers/misc/thinkpad_acpi.h
+++ b/drivers/misc/thinkpad_acpi.h
@@ -278,8 +278,6 @@ static int beep_write(char *buf);
  * Bluetooth subdriver
  */
 
-#define TPACPI_BLUETH_SYSFS_GROUP "bluetooth"
-
 enum {
         /* ACPI GBDC/SBDC bits */
         TP_ACPI_BLUETOOTH_HWPRESENT     = 0x01, /* Bluetooth hw available */
@@ -416,8 +414,6 @@ static int fan_write_cmd_watchdog(const char *cmd, int *rc);
  * Hotkey subdriver
  */
 
-#define TPACPI_HOTKEY_SYSFS_GROUP "hotkey"
-
 static int hotkey_orig_status;
 static int hotkey_orig_mask;
 
@@ -553,8 +549,6 @@ static int volume_write(char *buf);
  * Wan subdriver
  */
 
-#define TPACPI_WAN_SYSFS_GROUP "wwan"
-
 enum {
         /* ACPI GWAN/SWAN bits */
         TP_ACPI_WANCARD_HWPRESENT       = 0x01, /* Wan hw available */
diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
index b62cd36ff324..e2fcee2b340d 100644
--- a/include/acpi/acpi_numa.h
+++ b/include/acpi/acpi_numa.h
@@ -13,7 +13,7 @@
 
 extern int pxm_to_node(int);
 extern int node_to_pxm(int);
-extern int __cpuinit acpi_map_pxm_to_node(int);
+extern int acpi_map_pxm_to_node(int);
 extern void __cpuinit acpi_unmap_pxm_to_node(int);
 
 #endif                          /* CONFIG_ACPI_NUMA */
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index 15a838862cd4..a87ef1c8d46b 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -390,6 +390,8 @@ void acpi_ut_delete_object_desc(union acpi_operand_object *object);
 
 u8 acpi_ut_valid_internal_object(void *object);
 
+union acpi_operand_object *acpi_ut_create_package_object(u32 count);
+
 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
 
 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);