Name
piix_sata_present_mask —
determine present mask for SATA host controller
Synopsis
unsigned int piix_sata_present_mask ( | struct ata_port * ap) ; |
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
determined present_mask