BUS_FIND_DEVICE(9) Device drivers infrastructure BUS_FIND_DEVICE(9)NAMEbus_find_device - device iterator for locating a particular device.
struct device * bus_find_device(struct bus_type * bus,
struct device * start, void * data,
int (*match) (struct device *dev, void *data));
Device to begin with
Data to pass to match function
Callback function to check device
This is similar to the bus_for_each_dev function above, but it returns
a reference to a device that is 'found' for later use, as determined by
the match callback.
The callback should return 0 if the device doesn't match and non-zero
if it does. If the callback returns non-zero, this function will return
to the caller and not iterate over any more devices.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 BUS_FIND_DEVICE(9)