[S390] cio: I/O subchannel specific fields.

Some fields may be !0 only for I/O subchannels. Add some checks
where required. Also adapt cio_enable_subchannel() to make the
caller specify the intparm, which makes it more generic.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 7fd2dadc3297..49b58eb0fab8 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -501,7 +501,7 @@ ccw_device_stlck(struct ccw_device *cdev)
                 return -ENOMEM;
         }
         spin_lock_irqsave(sch->lock, flags);
-        ret = cio_enable_subchannel(sch, 3);
+        ret = cio_enable_subchannel(sch, 3, (u32)(addr_t)sch);
         if (ret)
                 goto out_unlock;
         /*