1BUS_FIND_DEVICE(9) Device drivers infrastructure BUS_FIND_DEVICE(9)
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6 bus_find_device - device iterator for locating a particular device.
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9 struct device * bus_find_device(struct bus_type * bus,
10 struct device * start, void * data,
11 int (*match) (struct device *dev, void *data));
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14 bus
15 bus type
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17 start
18 Device to begin with
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20 data
21 Data to pass to match function
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23 match
24 Callback function to check device
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27 This is similar to the bus_for_each_dev function above, but it returns
28 a reference to a device that is ´found´ for later use, as determined by
29 the match callback.
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31 The callback should return 0 if the device doesn´t match and non-zero
32 if it does. If the callback returns non-zero, this function will return
33 to the caller and not iterate over any more devices.
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36Kernel Hackers Manual 2.6. June 2019 BUS_FIND_DEVICE(9)