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Diffstat (limited to 'drivers/s390/cio/css.h')
-rw-r--r--drivers/s390/cio/css.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 54acdaade86e..68d6b0bf151c 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -111,6 +111,7 @@ extern void css_sch_device_unregister(struct subchannel *);
extern int css_probe_device(struct subchannel_id);
extern struct subchannel *get_subchannel_by_schid(struct subchannel_id);
extern int css_init_done;
+extern int max_ssid;
int for_each_subchannel_staged(int (*fn_known)(struct subchannel *, void *),
int (*fn_unknown)(struct subchannel_id,
void *), void *data);