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Diffstat (limited to 'drivers/s390/cio/device.h')
-rw-r--r--drivers/s390/cio/device.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index a3aa056d7245..11587ebb7289 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -110,6 +110,7 @@ int ccw_device_stlck(struct ccw_device *);
/* qdio needs this. */
void ccw_device_set_timeout(struct ccw_device *, int);
+extern struct subchannel_id ccw_device_get_subchannel_id(struct ccw_device *);
void retry_set_schib(struct ccw_device *cdev);
#endif