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device_find_child
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
device_find_child - device iterator for locating a particular device.SYNOPSIS
- struct device * device_find_child(struct device * parent, void * data, int (*match) (struct device *dev, void *data));
ARGUMENTS
parent
- parent struct device
data
- Data to pass to match function
match
- Callback function to check device
DESCRIPTION
This is similar to the device_for_each_child 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 and a reference to the current device can be obtained, this function will return to the caller and not iterate over any more devices.
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