+void
+device_refresh_present(struct device *dev)
+{
+ bool state = dev->sys_present;
+
+ if (dev->disabled || dev->deferred)
+ state = false;
+
+ __device_set_present(dev, state);
+}
+
+void device_set_present(struct device *dev, bool state)
+{
+ if (dev->sys_present == state)
+ return;
+
+ D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
+ dev->sys_present = state;
+ device_refresh_present(dev);
+}
+