hsi_remove_client
hsi_remove_client(&modem->cmt_speech->device, NULL);
hsi_remove_client(&modem->ssi_protocol->device, NULL);
hsi_remove_client(&modem->cmt_speech->device, NULL);
hsi_remove_client(&modem->ssi_protocol->device, NULL);
EXPORT_SYMBOL_GPL(hsi_remove_client);
device_for_each_child(dev, NULL, hsi_remove_client);
device_for_each_child(&port->device, NULL, hsi_remove_client);
int hsi_remove_client(struct device *dev, void *data);