NAME
ata_port_online - test whether the given port is online
SYNOPSIS
int ata_port_online(struct ata_port * ap);
ARGUMENTS
ap
ATA port to test
DESCRIPTION
Test whether ap is online. Note that this function returns 0 if online status of ap cannot be obtained, so ata_port_online(ap) != !ata_port_offline(ap).
LOCKING
None.
RETURNS
1 if the port online status is available and online.
AUTHOR
Jeff Garzik
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Author.