dma_free_coherent(dev, ATA_DMA_PAD_BUF_SZ, ap->pad, ap->pad_dma); 
void ata_port_stop (struct ata_port *ap){	struct device *dev = ap->host_set->dev;	dma_free_coherent(dev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/cedc9a478d8c6265879dc3839ef3d4849a709184/libata-core.c/clean/drivers/scsi/libata-core.c