- struct rio_dev * rio_get_comptag(u32 comp_tag, struct rio_dev * from);
- RIO component tag to match
- Previous RIO device found in search, or NULL for new search
Iterates through the list of known RIO devices. If a RIO device is found with a matching comp_tag, a pointer to its device structure is returned. Otherwise, NULL is returned. A new search is initiated by passing NULL to the from argument. Otherwise, if from is not NULL, searches continue from next device on the global list.