* @dev: the DIO device structure to match against
* @drv: the &device_driver that points to the array of DIO device id structures to search
*
- * Used by a driver to check whether a DIO device present in the
- * system is in its list of supported devices. Returns the matching
- * dio_device_id structure or %NULL if there is no match.
+ * Used by the driver core to check whether a DIO device present in the
+ * system is in a driver's list of supported devices. Returns 1 if supported,
+ * and 0 if there is no match.
*/
static int dio_bus_match(struct device *dev, struct device_driver *drv)