ata_dev_select — Select device 0/1 on ATA bus
void ata_dev_select
(struct ata_port * ap, unsigned int device, unsigned int wait, unsigned int can_sleep);
ATA channel to manipulate
ATA device (numbered from zero) to select
non-zero to wait for Status register BSY bit to clear
non-zero if context allows sleeping
Use the method defined in the ATA specification to make either device 0, or device 1, active on the ATA channel.
This is a high-level version of ata_std_dev_select, which additionally provides the services of inserting the proper pauses and status polling, where needed.
caller.