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: (68 commits)
  ACPI: replace kmalloc+memset with kzalloc
  ACPI: Add support for acpi_load_table/acpi_unload_table_id
  fbdev: update after backlight argument change
  ACPI: video: Add dev argument for backlight_device_register
  ACPI: Implement acpi_video_get_next_level()
  ACPI: Kconfig - depend on PM rather than selecting it
  ACPI: fix NULL check in drivers/acpi/osl.c
  ACPI: make drivers/acpi/ec.c:ec_ecdt static
  ACPI: prevent processor module from loading on failures
  ACPI: fix single linked list manipulation
  ACPI: ibm_acpi: allow clean removal
  ACPI: fix git automerge failure
  ACPI: ibm_acpi: respond to workqueue update
  ACPI: dock: add uevent to indicate change in device status
  ACPI: ec: Lindent once again
  ACPI: ec: Change #define to enums there possible.
  ACPI: ec: Style changes.
  ACPI: ec: Acquire Global Lock under EC mutex.
  ACPI: ec: Drop udelay() from poll mode. Loop by reading status field instead.
  ACPI: ec: Rename gpe_bit to gpe
  ...

1 files changed, 53 insertions, 1 deletions

diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 7767987be15a..5ba9303293ad 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -123,7 +123,6 @@ acpi_status acpi_load_tables(void)
 
 ACPI_EXPORT_SYMBOL(acpi_load_tables)
 
-#ifdef ACPI_FUTURE_USAGE
 /*******************************************************************************
  *
  * FUNCTION:    acpi_load_table
@@ -221,6 +220,59 @@ ACPI_EXPORT_SYMBOL(acpi_load_table)
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_unload_table_id
+ *
+ * PARAMETERS:  table_type    - Type of table to be unloaded
+ *              id            - Owner ID of the table to be removed.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This routine is used to force the unload of a table (by id)
+ *
+ ******************************************************************************/
+acpi_status acpi_unload_table_id(acpi_table_type table_type, acpi_owner_id id)
+{
+	struct acpi_table_desc *table_desc;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(acpi_unload_table);
+
+	/* Parameter validation */
+	if (table_type > ACPI_TABLE_ID_MAX)
+		return_ACPI_STATUS(AE_BAD_PARAMETER);
+
+	/* Find table from the requested type list */
+	table_desc = acpi_gbl_table_lists[table_type].next;
+	while (table_desc && table_desc->owner_id != id)
+		table_desc = table_desc->next;
+
+	if (!table_desc)
+		return_ACPI_STATUS(AE_NOT_EXIST);
+
+	/*
+	 * Delete all namespace objects owned by this table. Note that these
+	 * objects can appear anywhere in the namespace by virtue of the AML
+	 * "Scope" operator. Thus, we need to track ownership by an ID, not
+	 * simply a position within the hierarchy
+	 */
+	acpi_ns_delete_namespace_by_owner(table_desc->owner_id);
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+	if (ACPI_FAILURE(status))
+		return_ACPI_STATUS(status);
+
+	(void)acpi_tb_uninstall_table(table_desc);
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+
+	return_ACPI_STATUS(AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_unload_table_id)
+
+#ifdef ACPI_FUTURE_USAGE
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_unload_table
  *
  * PARAMETERS:  table_type    - Type of table to be unloaded