[S390] cio: make wait_events interruptible

Make the potentially long blocking wait_event's used by the cio
settle mechanism interruptible.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index e05525d53ea5..325d813bb8e0 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -95,7 +95,7 @@ struct css_driver {
         int (*freeze)(struct subchannel *);
         int (*thaw) (struct subchannel *);
         int (*restore)(struct subchannel *);
-        void (*settle)(void);
+        int (*settle)(void);
         const char *name;
 };