Name

rio_get_comptag — Begin or continue searching for a RIO device by component tag

Synopsis

struct rio_dev * rio_get_comptag (u32 comp_tag,
 struct rio_dev * from);
 

Arguments

u32 comp_tag

RIO component tag to match

struct rio_dev * from

Previous RIO device found in search, or NULL for new search

Description

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.