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ACPI / hotplug: Drop unfinished global notification handling routines 

There are two global hotplug notification handling routines in bus.c,
acpi_bus_check_device() and acpi_bus_check_scope(), that have never
been finished and don't do anything useful, so drop them.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2013-11-22 21:55:55 +01:00
Родитель 443fc82022
Коммит f4b734c35e
1 изменённых файлов: 2 добавлений и 62 удалений
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64
drivers/acpi/bus.c
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@ -329,58 +329,6 @@ static void acpi_bus_osc_support(void)
Notification Handling
-------------------------------------------------------------------------- */
static void acpi_bus_check_device(acpi_handle handle)
{
struct acpi_device *device;
acpi_status status;
struct acpi_device_status old_status;
if (acpi_bus_get_device(handle, &device))
return;
if (!device)
return;
old_status = device->status;
/*
* Make sure this device's parent is present before we go about
* messing with the device.
*/
if (device->parent && !device->parent->status.present) {
device->status = device->parent->status;
return;
}
status = acpi_bus_get_status(device);
if (ACPI_FAILURE(status))
return;
if (STRUCT_TO_INT(old_status) == STRUCT_TO_INT(device->status))
return;
/*
* Device Insertion/Removal
*/
if ((device->status.present) && !(old_status.present)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device insertion detected\n"));
/* TBD: Handle device insertion */
} else if (!(device->status.present) && (old_status.present)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device removal detected\n"));
/* TBD: Handle device removal */
}
}
static void acpi_bus_check_scope(acpi_handle handle)
{
/* Status Change? */
acpi_bus_check_device(handle);
/*
* TBD: Enumerate child devices within this device's scope and
* run acpi_bus_check_device()'s on them.
*/
}
/**
* acpi_bus_notify
* ---------------
@ -397,19 +345,11 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
acpi_bus_check_scope(handle);
/*
* TBD: We'll need to outsource certain events to non-ACPI
* drivers via the device manager (device.c).
*/
/* TBD */
break;
case ACPI_NOTIFY_DEVICE_CHECK:
acpi_bus_check_device(handle);
/*
* TBD: We'll need to outsource certain events to non-ACPI
* drivers via the device manager (device.c).
*/
/* TBD */
break;
case ACPI_NOTIFY_DEVICE_WAKE: