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