Name
ata_bus_probe — 
     Reset and probe ATA bus
 
Synopsis
| int ata_bus_probe ( | struct ata_port * ap ); | 
 
Description
   Master ATA bus probing function.  Initiates a hardware-dependent
   bus reset, then attempts to identify any devices found on
   the bus.
LOCKING
   PCI/etc. bus probe sem.
RETURNS
   Zero on success, negative errno otherwise.