Name
piix_sata_probe —
Probe PCI device for present SATA devices
Synopsis
int piix_sata_probe (struct ata_port * ap);
Arguments
ap
Port associated with the PCI device we wish to probe
Description
Reads SATA PCI device's PCI config register Port Configuration
and Status (PCS) to determine port and device availability.
LOCKING
None (inherited from caller).
RETURNS
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.