[S390] qdio: remove multicast polling

The multicast poll check for the outbound queue is redundant since
3d6c76f "[S390] qdio: outbound tasklet scan threshold". Remove the check.

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

2 files changed, 0 insertions, 12 deletions

diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index c15624b76907..498a4cd99ff8 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -18,14 +18,6 @@
 #define QDIO_BUSY_BIT_RETRIES           1000            /* = 10s retry time */
 #define QDIO_INPUT_THRESHOLD            (500 << 12)     /* 500 microseconds */
 
-/*
- * if an asynchronous HiperSockets queue runs full, the 10 seconds timer wait
- * till next initiative to give transmitted skbs back to the stack is too long.
- * Therefore polling is started in case of multicast queue is filled more
- * than 50 percent.
- */
-#define QDIO_IQDIO_POLL_LVL             65      /* HS multicast queue */
-
 enum qdio_irq_states {
         QDIO_IRQ_STATE_INACTIVE,
         QDIO_IRQ_STATE_ESTABLISHED,
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 5ec5317f7903..ab9de1be77a3 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -921,10 +921,6 @@ static void __qdio_outbound_processing(struct qdio_q *q)
                 if (!pci_out_supported(q) && !qdio_outbound_q_done(q))
                         goto sched;
 
-        if ((queue_type(q) == QDIO_IQDIO_QFMT) &&
-            (atomic_read(&q->nr_buf_used)) > QDIO_IQDIO_POLL_LVL)
-                goto sched;
-
         if (q->u.out.pci_out_enabled)
                 return;