ap->flags &= ~ATA_FLAG_NOINTR; 
void ata_poll_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat){	struct ata_port *ap = qc->ap;	unsigned long flags;	spin_lock_irqsave(&ap->host_set->lock, flags);	ap->flags &= ~ATA_FLAG_NOINTR;	ata_irq_on(ap);	ata_qc_complete(qc, drv_stat);	spin_unlock_irqrestore(&ap->host_set->lock, flags);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/312f7da2824c82800ee78d6190f12854456957af/libata-core.c/clean/drivers/scsi/libata-core.c