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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.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 7df97d277545..b587ec8257b2 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -380,19 +380,6 @@ static void acpi_bus_check_scope(acpi_handle handle)
*/
}
-static BLOCKING_NOTIFIER_HEAD(acpi_bus_notify_list);
-int register_acpi_bus_notifier(struct notifier_block *nb)
-{
- return blocking_notifier_chain_register(&acpi_bus_notify_list, nb);
-}
-EXPORT_SYMBOL_GPL(register_acpi_bus_notifier);
-
-void unregister_acpi_bus_notifier(struct notifier_block *nb)
-{
- blocking_notifier_chain_unregister(&acpi_bus_notify_list, nb);
-}
-EXPORT_SYMBOL_GPL(unregister_acpi_bus_notifier);
-
/**
* acpi_bus_notify
* ---------------
@@ -406,9 +393,6 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Notification %#02x to handle %p\n",
type, handle));
- blocking_notifier_call_chain(&acpi_bus_notify_list,
- type, (void *)handle);
-
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
@@ -474,8 +458,6 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
static int __init acpi_bus_init_irq(void)
{
acpi_status status;
- union acpi_object arg = { ACPI_TYPE_INTEGER };
- struct acpi_object_list arg_list = { 1, &arg };
char *message = NULL;
@@ -504,9 +486,7 @@ static int __init acpi_bus_init_irq(void)
printk(KERN_INFO PREFIX "Using %s for interrupt routing\n", message);
- arg.integer.value = acpi_irq_model;
-
- status = acpi_evaluate_object(NULL, "\\_PIC", &arg_list, NULL);
+ status = acpi_execute_simple_method(NULL, "\\_PIC", acpi_irq_model);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PIC"));
return -ENODEV;