ehea: using wait queues instead of msleep on ehea_flush_sq

[pandora-kernel.git] / drivers / net / ehea / ehea_main.c

diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 043d990..7897bdf 100644 (file)
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -818,8 +818,6 @@ static void check_sqs(struct ehea_port *port)
                        }
                }
        }
-
-       return;
 }
 
 
@@ -890,6 +888,7 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota)
                pr->queue_stopped = 0;
        }
        spin_unlock_irqrestore(&pr->netif_queue, flags);
+       wake_up(&pr->port->swqe_avail_wq);
 
        return cqe;
 }
@@ -2654,6 +2653,8 @@ static int ehea_open(struct net_device *dev)
                netif_start_queue(dev);
        }
 
+       init_waitqueue_head(&port->swqe_avail_wq);
+
        mutex_unlock(&port->port_lock);
 
        return ret;
@@ -2726,13 +2727,15 @@ static void ehea_flush_sq(struct ehea_port *port)
        for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) {
                struct ehea_port_res *pr = &port->port_res[i];
                int swqe_max = pr->sq_skba_size - 2 - pr->swqe_ll_count;
-               int k = 0;
-               while (atomic_read(&pr->swqe_avail) < swqe_max) {
-                       msleep(5);
-                       if (++k == 20) {
-                               ehea_error("WARNING: sq not flushed completely");
-                               break;
-                       }
+               int ret;
+
+               ret = wait_event_timeout(port->swqe_avail_wq,
+                        atomic_read(&pr->swqe_avail) >= swqe_max,
+                        msecs_to_jiffies(100));
+
+               if (!ret) {
+                       ehea_error("WARNING: sq not flushed completely");
+                       break;
                }
        }
 }