[POWERPC] iSeries: fix viocd init

[Stephen Rothwell]

Only initialise viocd on legacy iSeries.

Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>
---
 drivers/cdrom/viocd.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

-- 
Cheers,
Stephen Rothwell                    sfr at canb.auug.org.au

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 */
-- 
1.4.4.2