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path: root/drivers/acpi/bus.c
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Diffstat (limited to 'drivers/acpi/bus.c')
-rw-r--r--drivers/acpi/bus.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 6fd27a9abcda..b587ec8257b2 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -89,27 +89,6 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = {
Device Management
-------------------------------------------------------------------------- */
-int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
-{
- acpi_status status;
-
- if (!device)
- return -EINVAL;
-
- /* TBD: Support fixed-feature devices */
-
- status = acpi_get_data(handle, acpi_bus_data_handler, (void **)device);
- if (ACPI_FAILURE(status) || !*device) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n",
- handle));
- return -ENODEV;
- }
-
- return 0;
-}
-
-EXPORT_SYMBOL(acpi_bus_get_device);
-
acpi_status acpi_bus_get_status_handle(acpi_handle handle,
unsigned long long *sta)
{
@@ -346,104 +325,6 @@ static void acpi_bus_osc_support(void)
}
/* --------------------------------------------------------------------------
- Event Management
- -------------------------------------------------------------------------- */
-
-#ifdef CONFIG_ACPI_PROC_EVENT
-static DEFINE_SPINLOCK(acpi_bus_event_lock);
-
-LIST_HEAD(acpi_bus_event_list);
-DECLARE_WAIT_QUEUE_HEAD(acpi_bus_event_queue);
-
-extern int event_is_open;
-
-int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id, u8 type, int data)
-{
- struct acpi_bus_event *event;
- unsigned long flags;
-
- /* drop event on the floor if no one's listening */
- if (!event_is_open)
- return 0;
-
- event = kzalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC);
- if (!event)
- return -ENOMEM;
-
- strcpy(event->device_class, device_class);
- strcpy(event->bus_id, bus_id);
- event->type = type;
- event->data = data;
-
- spin_lock_irqsave(&acpi_bus_event_lock, flags);
- list_add_tail(&event->node, &acpi_bus_event_list);
- spin_unlock_irqrestore(&acpi_bus_event_lock, flags);
-
- wake_up_interruptible(&acpi_bus_event_queue);
-
- return 0;
-
-}
-
-EXPORT_SYMBOL_GPL(acpi_bus_generate_proc_event4);
-
-int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
-{
- if (!device)
- return -EINVAL;
- return acpi_bus_generate_proc_event4(device->pnp.device_class,
- device->pnp.bus_id, type, data);
-}
-
-EXPORT_SYMBOL(acpi_bus_generate_proc_event);
-
-int acpi_bus_receive_event(struct acpi_bus_event *event)
-{
- unsigned long flags;
- struct acpi_bus_event *entry = NULL;
-
- DECLARE_WAITQUEUE(wait, current);
-
-
- if (!event)
- return -EINVAL;
-
- if (list_empty(&acpi_bus_event_list)) {
-
- set_current_state(TASK_INTERRUPTIBLE);
- add_wait_queue(&acpi_bus_event_queue, &wait);
-
- if (list_empty(&acpi_bus_event_list))
- schedule();
-
- remove_wait_queue(&acpi_bus_event_queue, &wait);
- set_current_state(TASK_RUNNING);
-
- if (signal_pending(current))
- return -ERESTARTSYS;
- }
-
- spin_lock_irqsave(&acpi_bus_event_lock, flags);
- if (!list_empty(&acpi_bus_event_list)) {
- entry = list_entry(acpi_bus_event_list.next,
- struct acpi_bus_event, node);
- list_del(&entry->node);
- }
- spin_unlock_irqrestore(&acpi_bus_event_lock, flags);
-
- if (!entry)
- return -ENODEV;
-
- memcpy(event, entry, sizeof(struct acpi_bus_event));
-
- kfree(entry);
-
- return 0;
-}
-
-#endif /* CONFIG_ACPI_PROC_EVENT */
-
-/* --------------------------------------------------------------------------
Notification Handling
-------------------------------------------------------------------------- */
@@ -695,7 +576,6 @@ static int __init acpi_bus_init(void)
{
int result;
acpi_status status;
- extern acpi_status acpi_os_initialize1(void);
acpi_os_initialize1();