[PATCH] libata-dev: Remove atapi_packet_task()

		goto fsm_start;

}

/**

 *	atapi_packet_task - Write CDB bytes to hardware

 *	@_data: Port to which ATAPI device is attached.

 *

 *	When device has indicated its readiness to accept

 *	a CDB, this function is called.  Send the CDB.

 *	If DMA is to be performed, exit immediately.

 *	Otherwise, we are in polling mode, so poll

 *	status under operation succeeds or fails.

 *

 *	LOCKING:

 *	Kernel thread context (may sleep)

 */

static void atapi_packet_task(void *_data)

{

	struct ata_port *ap = _data;

	struct ata_queued_cmd *qc;

	u8 status;

	qc = ata_qc_from_tag(ap, ap->active_tag);

	WARN_ON(qc == NULL);

	WARN_ON(!(qc->flags & ATA_QCFLAG_ACTIVE));

	/* sleep-wait for BSY to clear */

	DPRINTK("busy wait\n");

	if (ata_busy_sleep(ap, ATA_TMOUT_CDB_QUICK, ATA_TMOUT_CDB)) {

		qc->err_mask |= AC_ERR_TIMEOUT;

		goto err_out;

	}

	/* make sure DRQ is set */

	status = ata_chk_status(ap);

	if ((status & (ATA_BUSY | ATA_DRQ)) != ATA_DRQ) {

		qc->err_mask |= AC_ERR_HSM;

		goto err_out;

	}

	/* send SCSI cdb */

	DPRINTK("send cdb\n");

	WARN_ON(qc->dev->cdb_len < 12);

	if (qc->tf.protocol == ATA_PROT_ATAPI_DMA ||

	    qc->tf.protocol == ATA_PROT_ATAPI_NODATA) {

		unsigned long flags;

		/* Once we're done issuing command and kicking bmdma,

		 * irq handler takes over.  To not lose irq, we need

		 * to clear NOINTR flag before sending cdb, but

		 * interrupt handler shouldn't be invoked before we're

		 * finished.  Hence, the following locking.

		 */

		spin_lock_irqsave(&ap->host_set->lock, flags);

#warning FIXME

		/* ap->flags &= ~ATA_FLAG_NOINTR; */

		ata_data_xfer(ap, qc->cdb, qc->dev->cdb_len, 1);

		if (qc->tf.protocol == ATA_PROT_ATAPI_DMA)

			ap->ops->bmdma_start(qc);	/* initiate bmdma */

		spin_unlock_irqrestore(&ap->host_set->lock, flags);

	} else {

		ata_data_xfer(ap, qc->cdb, qc->dev->cdb_len, 1);

		/* PIO commands are handled by polling */

		ap->hsm_task_state = HSM_ST;

		ata_port_queue_task(ap, ata_pio_task, ap, 0);

	}

	return;

err_out:

	ata_poll_qc_complete(qc);

}

/**

 *	ata_qc_timeout - Handle timeout of queued command

 *	@qc: Command that timed out