/** \brief uninstall notify handler for acpi device
* \param device acpi device
* \param handler_type type of handler
* \param handler pointer of notify handler
* \return status
*/
unsigned int ATI_API_CALL KCL_ACPI_RemoveHandler(KCL_ACPI_DevHandle device,
unsigned int handler_type,
KCL_ACPI_CallbackHandle handler,
KCL_NOTIFIER_BLOCKER *nb)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
return acpi_remove_notify_handler(device, handler_type, (acpi_notify_handler)handler);
#else
KCL_ACPI_DevHandle dummy_handle;
int ret = 0;
//unregister notifier chain for video switching events
if ((KCL_ACPI_GetDevHandle(device, "_DOD", &dummy_handle) == KCL_ACPI_OK)
|| (KCL_ACPI_GetDevHandle(device, "_DOS", &dummy_handle) == KCL_ACPI_OK))
{
ret = unregister_acpi_notifier((struct notifier_block*)(*nb));
kfree(*nb);
*nb = NULL;
}
//unregister notifier chain for ac adapter events
if (KCL_ACPI_GetDevHandle(device, "_PSR", &dummy_handle) == KCL_ACPI_OK)
{
ret = unregister_acpi_notifier((struct notifier_block*)(*nb));
kfree(*nb);
*nb = NULL;
}
return ret;
#endif
}
static int acpi_processor_remove(struct acpi_device *device, int type)
{
acpi_status status = AE_OK;
struct acpi_processor *pr = NULL;
if (!device || !acpi_driver_data(device))
return -EINVAL;
pr = acpi_driver_data(device);
if (pr->id >= NR_CPUS) {
kfree(pr);
return 0;
}
if (type == ACPI_BUS_REMOVAL_EJECT) {
if (acpi_processor_handle_eject(pr))
return -EINVAL;
}
acpi_processor_power_exit(pr, device);
status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
acpi_processor_remove_fs(device);
processors[pr->id] = NULL;
kfree(pr);
return 0;
}
/** \brief uninstall notify handler for acpi device
* \param device acpi device
* \param handler_type type of handler
* \param handler pointer of notify handler
* \return status
*/
unsigned int ATI_API_CALL KCL_ACPI_RemoveHandler(KCL_ACPI_DevHandle device,
unsigned int handler_type,
KCL_ACPI_CallbackHandle handler)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
return acpi_remove_notify_handler(device, handler_type, (acpi_notify_handler)handler);
#else
KCL_ACPI_DevHandle dummy_handle;
//unregister notifier chain for video switching events
if ((KCL_ACPI_GetDevHandle(device, "_DOD", &dummy_handle) == KCL_ACPI_OK)
|| (KCL_ACPI_GetDevHandle(device, "_DOS", &dummy_handle) == KCL_ACPI_OK))
{
return unregister_acpi_notifier(&firegl_acpi_video_notifier);
}
//unregister notifier chain for ac adapter events
if (KCL_ACPI_GetDevHandle(device, "_PSR", &dummy_handle) == KCL_ACPI_OK)
{
return unregister_acpi_notifier(&firegl_acpi_ac_notifier);
}
return 0;
#endif
}
static int acpi_processor_stop(struct device *dev)
{
struct acpi_device *device;
struct acpi_processor *pr;
if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
return 0;
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
pr = acpi_driver_data(device);
if (!pr)
return 0;
acpi_processor_power_exit(pr);
if (pr->cdev) {
sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
sysfs_remove_link(&pr->cdev->device.kobj, "device");
thermal_cooling_device_unregister(pr->cdev);
pr->cdev = NULL;
}
return 0;
}
static int
acpi_battery_remove (
struct acpi_device *device,
int type)
{
acpi_status status = 0;
struct acpi_battery *battery = NULL;
ACPI_FUNCTION_TRACE("acpi_battery_remove");
if (!device || !acpi_driver_data(device))
return_VALUE(-EINVAL);
battery = (struct acpi_battery *) acpi_driver_data(device);
status = acpi_remove_notify_handler(battery->handle,
ACPI_DEVICE_NOTIFY, acpi_battery_notify);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error removing notify handler\n"));
acpi_battery_remove_fs(device);
kfree(battery);
return_VALUE(0);
}
/**
* acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device.
* @adev: ACPI device to remove the notifier from.
*/
acpi_status acpi_remove_pm_notifier(struct acpi_device *adev)
{
acpi_status status = AE_BAD_PARAMETER;
mutex_lock(&acpi_pm_notifier_lock);
if (!adev->wakeup.flags.notifier_present)
goto out;
status = acpi_remove_notify_handler(adev->handle,
ACPI_SYSTEM_NOTIFY,
acpi_pm_notify_handler);
if (ACPI_FAILURE(status))
goto out;
if (adev->wakeup.context.work.func) {
cancel_work_sync(&adev->wakeup.context.work);
adev->wakeup.context.work.func = NULL;
}
adev->wakeup.context.dev = NULL;
wakeup_source_unregister(adev->wakeup.ws);
adev->wakeup.flags.notifier_present = false;
out:
mutex_unlock(&acpi_pm_notifier_lock);
return status;
}
static acpi_status
processor_walk_namespace_cb(acpi_handle handle,
u32 lvl, void *context, void **rv)
{
acpi_status status;
int *action = context;
acpi_object_type type = 0;
status = acpi_get_type(handle, &type);
if (ACPI_FAILURE(status))
return (AE_OK);
if (type != ACPI_TYPE_PROCESSOR)
return (AE_OK);
switch (*action) {
case INSTALL_NOTIFY_HANDLER:
acpi_install_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_processor_hotplug_notify,
NULL);
break;
case UNINSTALL_NOTIFY_HANDLER:
acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_processor_hotplug_notify);
break;
default:
break;
}
return (AE_OK);
}
static acpi_status
processor_walk_namespace_cb(acpi_handle handle,
u32 lvl, void *context, void **rv)
{
acpi_status status;
int *action = context;
status = is_processor_device(handle);
if (ACPI_FAILURE(status))
return AE_OK; /* not a processor; continue to walk */
switch (*action) {
case INSTALL_NOTIFY_HANDLER:
acpi_install_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_processor_hotplug_notify,
NULL);
break;
case UNINSTALL_NOTIFY_HANDLER:
acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_processor_hotplug_notify);
break;
default:
break;
}
/* found a processor; skip walking underneath */
return AE_CTRL_DEPTH;
}
static int intel_hid_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
struct intel_hid_priv *priv;
unsigned long long mode;
acpi_status status;
int err;
status = acpi_evaluate_integer(handle, "HDMM", NULL, &mode);
if (!ACPI_SUCCESS(status)) {
dev_warn(&device->dev, "failed to read mode\n");
return -ENODEV;
}
if (mode != 0) {
/*
* This driver only implements "simple" mode. There appear
* to be no other modes, but we should be paranoid and check
* for compatibility.
*/
dev_info(&device->dev, "platform is not in simple mode\n");
return -ENODEV;
}
priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
err = intel_hid_input_setup(device);
if (err) {
pr_err("Failed to setup Intel HID hotkeys\n");
return err;
}
status = acpi_install_notify_handler(handle,
ACPI_DEVICE_NOTIFY,
notify_handler,
device);
if (ACPI_FAILURE(status)) {
err = -EBUSY;
goto err_remove_input;
}
err = intel_hid_set_enable(&device->dev, 1);
if (err)
goto err_remove_notify;
return 0;
err_remove_notify:
acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
err_remove_input:
intel_hid_input_destroy(device);
return err;
}
acpi_status
bm_terminate (void)
{
acpi_status status = AE_OK;
u32 i = 0;
FUNCTION_TRACE("bm_terminate");
/*
* Terminate built-in power resource driver.
*/
bm_pr_terminate();
/*
* Unregister for all notifications.
*/
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Unregistering for device notifications.\n"));
status = acpi_remove_notify_handler(ACPI_ROOT_OBJECT,
ACPI_SYSTEM_NOTIFY, &bm_notify);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unable to un-register for standard notifications.\n"));
}
status = acpi_remove_notify_handler(ACPI_ROOT_OBJECT,
ACPI_DEVICE_NOTIFY, &bm_notify);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unable to un-register for device-specific notifications.\n"));
}
/*
* Parse through the device array, freeing all entries.
*/
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Removing device hierarchy.\n"));
for (i = 0; i < node_list.count; i++) {
if (node_list.nodes[i]) {
acpi_os_free(node_list.nodes[i]);
}
}
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ACPI Bus Manager disabled.\n"));
return_ACPI_STATUS(AE_OK);
}
static int acpi_pad_remove(struct acpi_device *device)
{
mutex_lock(&isolated_cpus_lock);
acpi_pad_idle_cpus(0);
mutex_unlock(&isolated_cpus_lock);
acpi_remove_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY, acpi_pad_notify);
acpi_pad_remove_sysfs(device);
return 0;
}
static int intel_vbtn_remove(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
/*
* Even if we failed to shut off the event stream, we can still
* safely detach from the device.
*/
return 0;
}
static void acpi_device_remove_notify_handler(struct acpi_device *device)
{
if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON)
acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON,
acpi_device_fixed_event);
else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON)
acpi_remove_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON,
acpi_device_fixed_event);
else
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_device_notify);
}
static acpi_status
container_walk_namespace_cb(acpi_handle handle,
u32 lvl,
void *context,
void **rv)
{
char *hid = NULL;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_device_info *info;
acpi_status status;
int *action = context;
ACPI_FUNCTION_TRACE("container_walk_namespace_cb");
status = acpi_get_object_info(handle, &buffer);
if (ACPI_FAILURE(status) || !buffer.pointer) {
return_ACPI_STATUS(AE_OK);
}
info = buffer.pointer;
if (info->valid & ACPI_VALID_HID)
hid = info->hardware_id.value;
if (hid == NULL) {
goto end;
}
if (strcmp(hid, "ACPI0004") && strcmp(hid, "PNP0A05") &&
strcmp(hid, "PNP0A06")) {
goto end;
}
switch(*action) {
case INSTALL_NOTIFY_HANDLER:
acpi_install_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
container_notify_cb,
NULL);
break;
case UNINSTALL_NOTIFY_HANDLER:
acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
container_notify_cb);
break;
default:
break;
}
end:
acpi_os_free(buffer.pointer);
return_ACPI_STATUS(AE_OK);
}
static int intel_hid_remove(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
device_init_wakeup(&device->dev, false);
acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
intel_hid_set_enable(&device->dev, false);
intel_button_array_enable(&device->dev, false);
/*
* Even if we failed to shut off the event stream, we can still
* safely detach from the device.
*/
return 0;
}
static int cros_ec_lpc_remove(struct platform_device *pdev)
{
struct cros_ec_device *ec_dev;
struct acpi_device *adev;
adev = ACPI_COMPANION(&pdev->dev);
if (adev)
acpi_remove_notify_handler(adev->handle, ACPI_ALL_NOTIFY,
cros_ec_lpc_acpi_notify);
ec_dev = platform_get_drvdata(pdev);
cros_ec_remove(ec_dev);
return 0;
}
static int ucsi_acpi_remove(struct platform_device *pdev)
{
struct ucsi *ucsi = platform_get_drvdata(pdev);
acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
ACPI_ALL_NOTIFY, ucsi_acpi_notify);
/* Make sure there are no events in the middle of being processed */
if (wait_on_bit_timeout(&ucsi->flags, EVENT_PENDING,
TASK_UNINTERRUPTIBLE,
msecs_to_jiffies(UCSI_TIMEOUT_MS)))
dev_WARN(ucsi->dev, "%s: Events still pending\n", __func__);
ucsi_reset_ppm(ucsi);
return 0;
}
static acpi_status
container_walk_namespace_cb(acpi_handle handle,
u32 lvl, void *context, void **rv)
{
char *hid = NULL;
struct acpi_device_info *info;
acpi_status status;
int *action = context;
status = acpi_get_object_info(handle, &info);
if (ACPI_FAILURE(status)) {
return AE_OK;
}
if (info->valid & ACPI_VALID_HID)
hid = info->hardware_id.string;
if (hid == NULL) {
goto end;
}
if (strcmp(hid, "ACPI0004") && strcmp(hid, "PNP0A05") &&
strcmp(hid, "PNP0A06")) {
goto end;
}
switch (*action) {
case INSTALL_NOTIFY_HANDLER:
acpi_install_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
container_notify_cb, NULL);
break;
case UNINSTALL_NOTIFY_HANDLER:
acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
container_notify_cb);
break;
default:
break;
}
end:
kfree(info);
return AE_OK;
}
static int acpi_ac_remove(struct platform_device *pdev)
{
struct acpi_ac *ac;
if (!pdev)
return -EINVAL;
acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
ACPI_ALL_NOTIFY, acpi_ac_notify_handler);
ac = platform_get_drvdata(pdev);
if (ac->charger.dev)
power_supply_unregister(&ac->charger);
kfree(ac);
return 0;
}
static int ucsi_acpi_probe(struct platform_device *pdev)
{
struct resource *res;
acpi_status status;
struct ucsi *ucsi;
int ret;
ucsi = devm_kzalloc(&pdev->dev, sizeof(*ucsi), GFP_KERNEL);
if (!ucsi)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "missing memory resource\n");
return -ENODEV;
}
/*
* NOTE: ACPI has claimed the memory region as it's also an Operation
* Region. It's not possible to request it in the driver.
*/
ucsi->data = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!ucsi->data)
return -ENOMEM;
ucsi->dev = &pdev->dev;
status = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev),
ACPI_ALL_NOTIFY,
ucsi_acpi_notify, ucsi);
if (ACPI_FAILURE(status))
return -ENODEV;
ret = ucsi_init(ucsi);
if (ret) {
acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
ACPI_ALL_NOTIFY,
ucsi_acpi_notify);
return ret;
}
platform_set_drvdata(pdev, ucsi);
return 0;
}
static int acpi_processor_remove(struct acpi_device *device, int type)
{
acpi_status status = AE_OK;
struct acpi_processor *pr = NULL;
if (!device || !acpi_driver_data(device))
return -EINVAL;
pr = acpi_driver_data(device);
if (pr->id >= nr_cpu_ids)
goto free;
if (type == ACPI_BUS_REMOVAL_EJECT) {
if (acpi_processor_handle_eject(pr))
return -EINVAL;
}
acpi_processor_power_exit(pr, device);
status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
sysfs_remove_link(&device->dev.kobj, "sysdev");
acpi_processor_remove_fs(device);
if (pr->cdev) {
sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
sysfs_remove_link(&pr->cdev->device.kobj, "device");
thermal_cooling_device_unregister(pr->cdev);
pr->cdev = NULL;
}
per_cpu(processors, pr->id) = NULL;
per_cpu(processor_device_array, pr->id) = NULL;
free:
free_cpumask_var(pr->throttling.shared_cpu_map);
kfree(pr);
return 0;
}
static int
acpi_thermal_remove (
struct acpi_device *device,
int type)
{
acpi_status status = AE_OK;
struct acpi_thermal *tz = NULL;
ACPI_FUNCTION_TRACE("acpi_thermal_remove");
if (!device || !acpi_driver_data(device))
return_VALUE(-EINVAL);
tz = (struct acpi_thermal *) acpi_driver_data(device);
/* avoid timer adding new defer task */
tz->zombie = 1;
/* wait for running timer (on other CPUs) finish */
delete_timer( tz->timer );
/* synchronize deferred task */
acpi_os_wait_events_complete(NULL);
status = acpi_remove_notify_handler(tz->handle,
ACPI_DEVICE_NOTIFY, acpi_thermal_notify);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error removing notify handler\n"));
/* Terminate policy */
if (tz->trips.passive.flags.valid
&& tz->trips.passive.flags.enabled) {
tz->trips.passive.flags.enabled = 0;
acpi_thermal_passive(tz);
}
if (tz->trips.active[0].flags.valid
&& tz->trips.active[0].flags.enabled) {
tz->trips.active[0].flags.enabled = 0;
acpi_thermal_active(tz);
}
kfree(tz);
return_VALUE(0);
}
static int acpi_battery_remove(struct acpi_device *device, int type)
{
acpi_status status = 0;
struct acpi_battery *battery = NULL;
if (!device || !acpi_driver_data(device))
return -EINVAL;
battery = (struct acpi_battery *)acpi_driver_data(device);
status = acpi_remove_notify_handler(device->handle,
ACPI_ALL_NOTIFY,
acpi_battery_notify);
acpi_battery_remove_fs(device);
kfree(battery);
return 0;
}
static int
acpi_thermal_remove (
struct acpi_device *device,
int type)
{
acpi_status status = AE_OK;
struct acpi_thermal *tz = NULL;
ACPI_FUNCTION_TRACE("acpi_thermal_remove");
if (!device || !acpi_driver_data(device))
return_VALUE(-EINVAL);
tz = (struct acpi_thermal *) acpi_driver_data(device);
if (timer_pending(&(tz->timer)))
del_timer(&(tz->timer));
status = acpi_remove_notify_handler(tz->handle,
ACPI_DEVICE_NOTIFY, acpi_thermal_notify);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error removing notify handler\n"));
/* Terminate policy */
if (tz->trips.passive.flags.valid
&& tz->trips.passive.flags.enabled) {
tz->trips.passive.flags.enabled = 0;
acpi_thermal_passive(tz);
}
if (tz->trips.active[0].flags.valid
&& tz->trips.active[0].flags.enabled) {
tz->trips.active[0].flags.enabled = 0;
acpi_thermal_active(tz);
}
acpi_thermal_remove_fs(device);
return_VALUE(0);
}
static int acpi_processor_remove(struct acpi_device *device, int type)
{
acpi_status status = AE_OK;
struct acpi_processor *pr = NULL;
ACPI_FUNCTION_TRACE("acpi_processor_remove");
if (!device || !acpi_driver_data(device))
return_VALUE(-EINVAL);
pr = (struct acpi_processor *)acpi_driver_data(device);
if (pr->id >= NR_CPUS) {
kfree(pr);
return_VALUE(0);
}
if (type == ACPI_BUS_REMOVAL_EJECT) {
if (acpi_processor_handle_eject(pr))
return_VALUE(-EINVAL);
}
acpi_processor_power_exit(pr, device);
status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error removing notify handler\n"));
}
acpi_processor_remove_fs(device);
processors[pr->id] = NULL;
kfree(pr);
return_VALUE(0);
}
static int acpi_processor_stop(struct device *dev)
{
struct acpi_device *device = ACPI_COMPANION(dev);
struct acpi_processor *pr;
if (!device)
return 0;
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
pr = acpi_driver_data(device);
if (!pr)
return 0;
acpi_processor_power_exit(pr);
acpi_pss_perf_exit(pr, device);
acpi_cppc_processor_exit(pr);
return 0;
}
static int
acpi_button_remove (struct acpi_device *device, int type)
{
acpi_status status = 0;
struct acpi_button *button = NULL;
ACPI_FUNCTION_TRACE("acpi_button_remove");
if (!device || !acpi_driver_data(device))
return_VALUE(-EINVAL);
button = acpi_driver_data(device);
/* Unregister for device notifications. */
switch (button->type) {
case ACPI_BUTTON_TYPE_POWERF:
status = acpi_remove_fixed_event_handler(
ACPI_EVENT_POWER_BUTTON, acpi_button_notify_fixed);
break;
case ACPI_BUTTON_TYPE_SLEEPF:
status = acpi_remove_fixed_event_handler(
ACPI_EVENT_SLEEP_BUTTON, acpi_button_notify_fixed);
break;
default:
status = acpi_remove_notify_handler(button->handle,
ACPI_DEVICE_NOTIFY, acpi_button_notify);
break;
}
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error removing notify handler\n"));
acpi_button_remove_fs(device);
kfree(button);
return_VALUE(0);
}
/**
* remove_pm_notifier - Unregister PM notifier from given ACPI device.
* @dev: ACPI device to remove the notifier from.
*/
static acpi_status remove_pm_notifier(struct acpi_device *dev,
acpi_notify_handler handler)
{
acpi_status status = AE_BAD_PARAMETER;
mutex_lock(&pci_acpi_pm_notify_mtx);
if (!dev->wakeup.flags.notifier_present)
goto out;
status = acpi_remove_notify_handler(dev->handle,
ACPI_SYSTEM_NOTIFY,
handler);
if (ACPI_FAILURE(status))
goto out;
dev->wakeup.flags.notifier_present = false;
out:
mutex_unlock(&pci_acpi_pm_notify_mtx);
return status;
}
static acpi_status
acpi_memory_deregister_notify_handler(acpi_handle handle,
u32 level, void *ctxt, void **retv)
{
acpi_status status;
ACPI_FUNCTION_TRACE("acpi_memory_deregister_notify_handler");
status = is_memory_device(handle);
if (ACPI_FAILURE(status))
return_ACPI_STATUS(AE_OK); /* continue */
status = acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error removing notify handler\n"));
return_ACPI_STATUS(AE_OK); /* continue */
}
return_ACPI_STATUS(status);
}
static void ata_acpi_remove_pm_notifier(struct ata_device *dev)
{
acpi_handle handle = ata_dev_acpi_handle(dev);
acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY, zpodd_wake_dev);
}
