cl = &device->power.states[device->power.state].resources;
tl = &device->power.states[state].resources;
- device->power.state = ACPI_STATE_UNKNOWN;
-
if (!cl->count && !tl->count) {
result = -ENODEV;
goto end;
goto end;
}
- /* We shouldn't change the state till all above operations succeed */
- device->power.state = state;
- end:
- if (result)
+ end:
+ if (result) {
+ device->power.state = ACPI_STATE_UNKNOWN;
printk(KERN_WARNING PREFIX "Transitioning device [%s] to D%d\n",
device->pnp.bus_id, state);
+ } else {
+ /* We shouldn't change the state till all above operations succeed */
+ device->power.state = state;
+ }
return result;
}
return result;
mutex_lock(&resource->resource_lock);
- if ((resource->state == ACPI_POWER_RESOURCE_STATE_ON) &&
- list_empty(&resource->reference)) {
- mutex_unlock(&resource->resource_lock);
- result = acpi_power_off_device(device->handle, NULL);
- return result;
- }
-
if ((resource->state == ACPI_POWER_RESOURCE_STATE_OFF) &&
!list_empty(&resource->reference)) {
ref = container_of(resource->reference.next, struct acpi_power_reference, node);