1DEVICE_FOR_EACH_CHIL(9) Device drivers infrastructure DEVICE_FOR_EACH_CHIL(9)
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6 device_for_each_child - device child iterator.
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9 int device_for_each_child(struct device * parent, void * data,
10 int (*fn) (struct device *dev, void *data));
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13 parent
14 parent struct device.
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16 data
17 data for the callback.
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19 fn
20 function to be called for each device.
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23 Iterate over parent´s child devices, and call fn for each, passing it
24 data.
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26 We check the return of fn each time. If it returns anything other than
27 0, we break out and return that value.
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30Kernel Hackers Manual 2.6. June 2019 DEVICE_FOR_EACH_CHIL(9)