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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

January 2017 Kernel Hackers Manual 4.8.