[S390] sparse: fix sparse warnings about missing prototypes
Add prototypes and includes for functions used in different modules.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 80ebddd..33bb4d8 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -133,6 +133,8 @@
extern struct channel_subsystem *channel_subsystems[];
+void channel_subsystem_reinit(void);
+
/* Helper functions to build lists for the slow path. */
void css_schedule_eval(struct subchannel_id schid);
void css_schedule_eval_all(void);