[S390] css: fix sparse warning

fix this sparse warning:

drivers/s390/cio/css.c:580:6: warning: symbol 'css_schedule_eval_all_unreg'
was not declared. Should it be static?

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.c b/drivers/s390/cio/css.c
index ca8e1c240c3c..064d3003ed20 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -577,7 +577,7 @@ static int __unset_registered(struct device *dev, void *data)
         return 0;
 }
 
-void css_schedule_eval_all_unreg(void)
+static void css_schedule_eval_all_unreg(void)
 {
         unsigned long flags;
         struct idset *unreg_set;