Attachment #146692 for bug #278533

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	/* Weird ATAPI devices */
	{ "TORiSAN DVD-ROM DRD-N216", NULL,	ATA_HORKAGE_MAX_SEC_128 |
						ATA_HORKAGE_DMA_RW_ONLY },
	{ "QSI CD-RW/DVD-ROM SBW-241", NULL,	ATA_HORKAGE_PIO_INQUIRY },

	/* Devices we expect to fail diagnostics */


		}
	}

	/* some drives don't like DMA for INQUIRY */
	if (unlikely(qc->dev->horkage & ATA_HORKAGE_PIO_INQUIRY)) {
		struct scsi_cmnd *cmd = qc->scsicmd;
		u8 *scsicmd = cmd->cmnd;

		if (scsicmd[0] == INQUIRY)
			return 1;
	}

	if (ap->ops->check_atapi_dma)
		rc = ap->ops->check_atapi_dma(qc);


Lines 299-304 enum { Link Here

(-)a/include/linux/libata.h (+1 lines)
299	ATA_HORKAGE_NONCQ = (1 << 2), /* Don't use NCQ */	299	ATA_HORKAGE_NONCQ = (1 << 2), /* Don't use NCQ */
300	ATA_HORKAGE_MAX_SEC_128 = (1 << 3), /* Limit max sects to 128 */	300	ATA_HORKAGE_MAX_SEC_128 = (1 << 3), /* Limit max sects to 128 */
301	ATA_HORKAGE_DMA_RW_ONLY = (1 << 4), /* ATAPI DMA for RW only */	301	ATA_HORKAGE_DMA_RW_ONLY = (1 << 4), /* ATAPI DMA for RW only */
		302	ATA_HORKAGE_PIO_INQUIRY = (1 << 4), /* use PIO for INQUIRY */
302	};	303	};
303		304
304	enum hsm_task_states {	305	enum hsm_task_states {

Return to bug 278533

Lines 3782-3787 static const struct ata_blacklist_entry ata_device_blacklist [] = { Link Here

(-)a/drivers/ata/libata-core.c (+10 lines)
3782	/* Weird ATAPI devices */	3782	/* Weird ATAPI devices */
3783	{ "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 \|	3783	{ "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 \|
3784	ATA_HORKAGE_DMA_RW_ONLY },	3784	ATA_HORKAGE_DMA_RW_ONLY },
		3785	{ "QSI CD-RW/DVD-ROM SBW-241", NULL, ATA_HORKAGE_PIO_INQUIRY },
3785		3786
3786	/* Devices we expect to fail diagnostics */	3787	/* Devices we expect to fail diagnostics */
3787		3788
Lines 4146-4151 int ata_check_atapi_dma(struct ata_queued_cmd *qc) Link Here
4146	}	4147	}
4147	}	4148	}
4148		4149
		4150	/* some drives don't like DMA for INQUIRY */
		4151	if (unlikely(qc->dev->horkage & ATA_HORKAGE_PIO_INQUIRY)) {
		4152	struct scsi_cmnd *cmd = qc->scsicmd;
		4153	u8 *scsicmd = cmd->cmnd;
		4154
		4155	if (scsicmd[0] == INQUIRY)
		4156	return 1;
		4157	}
		4158
4149	if (ap->ops->check_atapi_dma)	4159	if (ap->ops->check_atapi_dma)
4150	rc = ap->ops->check_atapi_dma(qc);	4160	rc = ap->ops->check_atapi_dma(qc);
4151		4161