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-rw-r--r--drivers/cdrom/viocd.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index 54ca931..93fbf84 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -47,6 +47,7 @@
#include <asm/iseries/hv_types.h>
#include <asm/iseries/hv_lp_event.h>
#include <asm/iseries/vio.h>
+#include <asm/firmware.h>
#define VIOCD_DEVICE "iseries/vcd"
@@ -748,6 +749,9 @@ static int __init viocd_init(void)
struct proc_dir_entry *e;
int ret = 0;
+ if (!firmware_has_feature(FW_FEATURE_ISERIES))
+ return -ENODEV;
+
if (viopath_hostLp == HvLpIndexInvalid) {
vio_set_hostlp();
/* If we don't have a host, bail out */