1. NAME▲
ata_phys_link_offline - test whether the given link is offline
2. SYNOPSIS ▲
bool ata_phys_link_offline(struct ata_link * link );
3. ARGUMENTS ▲
link
    ATA link to test
4. DESCRIPTION ▲
Test whether link is offline. Note that this function returns 0 if offline status of link cannot be obtained, so ata_link_online(link) != !ata_link_offline(link).
5. LOCKING ▲
None.
6. RETURNS ▲
True if the port offline status is available and offline.
7. AUTHOR ▲
Jeff Garzik
    Author.
8. COPYRIGHT ▲