ATA_DEV_PHYS_LINK(9) libata Core Internals ATA_DEV_PHYS_LINK(9)
NAME ata_dev_phys_link - find physical link for a device
SYNOPSIS struct ata_link * ata_dev_phys_link(struct ata_device * dev);
ARGUMENTS dev ATA device to look up physical link for
DESCRIPTION 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.
LOCKING Don´t care.
RETURNS Pointer to the found physical link.
AUTHOR Jeff Garzik Author.
COPYRIGHT Kernel Hackers Manual 2.6. January 2013 ATA_DEV_PHYS_LINK(9)