[S390] sclp: clean up send/receive naming scheme

Make state change events adjust the correct mask by cleaning up
naming inconsistencies. Also remove chance for lockup by removing
unnecessary mask related check before reading events.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h
index aa8186d18aee..bac80e856f97 100644
--- a/drivers/s390/char/sclp.h
+++ b/drivers/s390/char/sclp.h
@@ -122,11 +122,13 @@ struct sclp_req {
 /* of some routines it wants to be called from the low level driver */
 struct sclp_register {
         struct list_head list;
-        /* event masks this user is registered for */
+        /* User wants to receive: */
         sccb_mask_t receive_mask;
+        /* User wants to send: */
         sccb_mask_t send_mask;
-        /* actually present events */
+        /* H/W can receive: */
         sccb_mask_t sclp_receive_mask;
+        /* H/W can send: */
         sccb_mask_t sclp_send_mask;
         /* called if event type availability changes */
         void (*state_change_fn)(struct sclp_register *);