Provided by: linux-doc-2.6.15_2.6.15-23.39_all
piix_sata_probe - Probe PCI device for present SATA devices
int piix_sata_probe (struct ata_port * ap);
ap Port associated with the PCI device we wish to probe
Reads SATA PCI device’s PCI config register Port Configuration and
Status (PCS) to determine port and device availability.
None (inherited from caller).
Non-zero if port is enabled, it may or may not have a device attached
in that case (PRESENT bit would only be set if BIOS probe was done).
Zero is returned if port is disabled.