summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/scsi/libata-core.c4
-rw-r--r--drivers/scsi/libata-scsi.c8
-rw-r--r--drivers/scsi/libata.h1
-rw-r--r--include/linux/libata.h1
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 */