diff options
| -rw-r--r-- | drivers/scsi/libata-core.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 8 | ||||
| -rw-r--r-- | drivers/scsi/libata.h | 1 | ||||
| -rw-r--r-- | include/linux/libata.h | 1 |
4 files changed, 9 insertions, 5 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index dee4b12b034..d824938d05c 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -75,6 +75,10 @@ static void __ata_qc_complete(struct ata_queued_cmd *qc); static unsigned int ata_unique_id = 1; static struct workqueue_struct *ata_wq; +int atapi_enabled = 0; +module_param(atapi_enabled, int, 0444); +MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)"); + MODULE_AUTHOR("Jeff Garzik"); MODULE_DESCRIPTION("Library module for ATA devices"); MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 346eb36b1e3..55823765425 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -1470,10 +1470,10 @@ ata_scsi_find_dev(struct ata_port *ap, struct scsi_device *scsidev) if (unlikely(!ata_dev_present(dev))) return NULL; -#ifndef ATA_ENABLE_ATAPI - if (unlikely(dev->class == ATA_DEV_ATAPI)) - return NULL; -#endif + if (atapi_enabled) { + if (unlikely(dev->class == ATA_DEV_ATAPI)) + return NULL; + } return dev; } diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h index 809c634afbc..d608b3a0f6f 100644 --- a/drivers/scsi/libata.h +++ b/drivers/scsi/libata.h @@ -38,6 +38,7 @@ struct ata_scsi_args { }; /* libata-core.c */ +extern int atapi_enabled; extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap, struct ata_device *dev); extern void ata_qc_free(struct ata_queued_cmd *qc); diff --git a/include/linux/libata.h b/include/linux/libata.h index fc05a989928..1eaba4077e1 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -40,7 +40,6 @@ #undef ATA_VERBOSE_DEBUG /* yet more debugging output */ #undef ATA_IRQ_TRAP /* define to ack screaming irqs */ #undef ATA_NDEBUG /* define to disable quick runtime checks */ -#undef ATA_ENABLE_ATAPI /* define to enable ATAPI support */ #undef ATA_ENABLE_PATA /* define to enable PATA support in some * low-level drivers */ #undef ATAPI_ENABLE_DMADIR /* enables ATAPI DMADIR bridge support */ |