centos man page for device_for_each_child

DEVICE_FOR_EACH_CHIL(9) 				   Device drivers infrastructure				   DEVICE_FOR_EACH_CHIL(9)

NAME
       device_for_each_child - device child iterator.

SYNOPSIS
       int device_for_each_child(struct device * parent, void * data, int (*fn) (struct device *dev, void *data));

ARGUMENTS
       parent
	   parent struct device.

       data
	   data for the callback.

       fn
	   function to be called for each device.

DESCRIPTION
       Iterate over parent's child devices, and call fn for each, passing it data.

       We check the return of fn each time. If it returns anything other than 0, we break out and return that value.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   DEVICE_FOR_EACH_CHIL(9)