selectConfig
Tell the bus what speed to use for your device.
Declaration
virtual IOReturn selectConfig(
IOATADevConfig *configRequest);Parameters
- configRequest:
pointer to a valid and initialized IOATADevConfig object.
Return Value
kIOSuccess (0) if the configuration was succesfully selected.
Overview
This should only be called once during a disk drivers start method before registering its availability, and must be called prior to issuing any data IO transactions.