[S390] qdio: leave inbound SBALs primed

It is not required to change the state of primed SBALs. Leaving them
primed saves a SQBS instruction under z/VM.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 779b7741d495ad4be2a3ad8f8f1e68764c27d609..75b521963a4ea3a2fc730deab1011b913ea584a0 100644 (file)
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -455,13 +455,6 @@ static inline void inbound_primed(struct qdio_q *q, int count)
        count--;
        if (!count)
                return;
-
-       /*
-        * Need to change all PRIMED buffers to NOT_INIT, otherwise
-        * we're loosing initiative in the thinint code.
-        */
-       set_buf_states(q, q->first_to_check, SLSB_P_INPUT_NOT_INIT,
-                      count);
 }
 
 static int get_inbound_buffer_frontier(struct qdio_q *q)