[POWERPC] iSeries: fix viodasd init

[Stephen Rothwell]

Don't initialise viodasd except on legacy iSeries.

Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>
---
 drivers/block/viodasd.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

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

diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index e19ba4e..68592c3 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -49,6 +49,7 @@
 #include <asm/iseries/hv_lp_event.h>
 #include <asm/iseries/hv_lp_config.h>
 #include <asm/iseries/vio.h>
+#include <asm/firmware.h>
 
 MODULE_DESCRIPTION("iSeries Virtual DASD");
 MODULE_AUTHOR("Dave Boutcher");
@@ -769,6 +770,11 @@ static int __init viodasd_init(void)
 {
 	int rc;
 
+	if (!firmware_has_feature(FW_FEATURE_ISERIES)) {
+		rc = -ENODEV;
+		goto early_fail;
+	}
+
 	/* Try to open to our host lp */
 	if (viopath_hostLp == HvLpIndexInvalid)
 		vio_set_hostlp();
-- 
1.4.4.2