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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.