[POWERPC] iSeries: fix viodasd init

Don't initialise viodasd except on legacy iSeries.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index e19ba4e..68592c3 100644 (file)
--- 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();