diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-22 21:55:55 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-22 21:55:55 +0100 |
| commit | f4b734c35e98c343cd99824153de09e48867b97e (patch) | |
| tree | 7f93d1515e3750a6d2fe5bb5f6bcf1249ad4f436 /drivers | |
| parent | ACPI / hotplug: Rework generic code to handle suprise removals (diff) | |
| download | linux-f4b734c35e98c343cd99824153de09e48867b97e.tar.xz linux-f4b734c35e98c343cd99824153de09e48867b97e.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/bus.c | 64 |
1 files changed, 2 insertions, 62 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index bba9b72e25f8..8b09a75f6579 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -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: |