ata_sg_setup_one9
Dma-map the memory buffer associated with a command.
Usage
int ata_sg_setup_one(struct ata_queued_cmd * qc);
Arguments
qc
Command with memory buffer to be mapped.
Overview
DMA-map the memory buffer associated with queued_cmd qc.
Locking
spin_lock_irqsave(host_set lock)
Returns
Zero on success, negative on error.