Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME
       ata_device_add - Register hardware device with ATA and SCSI layers


SYNOPSIS
       int ata_device_add  (const struct ata_probe_ent * ent);


ARGUMENTS
       ent    Probe information describing hardware device to be registered


DESCRIPTION
       This   function   processes  the  information  provided  in  the  probe
       information struct ent, allocates  the  necessary  ATA  and  SCSI  host
       information structures, initializes them, and registers everything with
       requisite kernel subsystems.

       This function requests irqs, probes the ATA bus, and  probes  the  SCSI
       bus.


LOCKING
       PCI/etc. bus probe sem.


RETURNS
       Number of ports registered. Zero on error (no ports registered).


AUTHOR
       Jeff Garzik.