ata_dev_phys_link (9) - Linux Man Pages
ata_dev_phys_link: find physical link for a device
ata_dev_phys_link - find physical link for a device
struct ata_link * ata_dev_phys_link(struct ata_device
- ATA device to look up physical link for
Look up physical link which dev is attached to. Note that this is different from dev->link only when dev is on slave link. For all other cases, it's the same as dev->link.