Linux Kernel设备驱动模型之设备探测驱动

/**  * bus_probe_device - probe drivers for a new device  * @dev: device to probe  *  * - Automatically probe for a driver if the bus allows it.  */ void bus_probe_device(struct device *dev) {  struct bus_type *bus = dev->bus;  struct subsys_interface *sif;

 if (!bus)   return;

 if (bus->p->drivers_autoprobe)   device_initial_probe(dev);

 mutex_lock(&bus->p->mutex);  list_for_each_entry(sif, &bus->p->interfaces, node)   if (sif->add_dev)    sif->add_dev(dev, sif);  mutex_unlock(&bus->p->mutex); }