NAME
ata_sg_clean - Unmap DMA memory associated with command
SYNOPSIS
void ata_sg_clean (struct ata_queued_cmd * qc);
ARGUMENTS
qc Command containing DMA memory to be released
DESCRIPTION
Unmap all mapped DMA memory associated with this command.
LOCKING
spin_lock_irqsave(host_set lock)
AUTHOR
Jeff Garzik.