piix_sata_present_mask9
Determine present mask for sata host controller
Usage
unsigned int piix_sata_present_mask(struct ata_port * ap);
Arguments
ap
Target port
Overview
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
determined present_mask