1. NAME▲
ata_link_online - test whether the given link is online
2. SYNOPSIS ▲
bool ata_link_online(struct ata_link * link );
3. ARGUMENTS ▲
link
    ATA link to test
4. DESCRIPTION ▲
Test whether link is online. This is identical to ata_phys_link_online when thereAqs no slave link. When thereAqs a slave link, this function should only be called on the master link and will return true if any of M/S links is online.
5. LOCKING ▲
None.
6. RETURNS ▲
True if the port online status is available and online.
7. AUTHOR ▲
Jeff Garzik
    Author.
8. COPYRIGHT ▲