ehea: converting msleeps to waitqueue on check_sqs() function
Removing the msleep() call in check_sqs() function, and replacing by a wait queue. Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -492,6 +492,7 @@ struct ehea_port {
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u8 autoneg;
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u8 autoneg;
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u8 num_def_qps;
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u8 num_def_qps;
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wait_queue_head_t swqe_avail_wq;
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wait_queue_head_t swqe_avail_wq;
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wait_queue_head_t restart_wq;
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};
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};
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struct port_res_cfg {
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struct port_res_cfg {
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@ -786,6 +786,7 @@ static void reset_sq_restart_flag(struct ehea_port *port)
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struct ehea_port_res *pr = &port->port_res[i];
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struct ehea_port_res *pr = &port->port_res[i];
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pr->sq_restart_flag = 0;
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pr->sq_restart_flag = 0;
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}
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}
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wake_up(&port->restart_wq);
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}
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}
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static void check_sqs(struct ehea_port *port)
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static void check_sqs(struct ehea_port *port)
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@ -796,6 +797,7 @@ static void check_sqs(struct ehea_port *port)
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for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) {
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for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) {
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struct ehea_port_res *pr = &port->port_res[i];
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struct ehea_port_res *pr = &port->port_res[i];
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int ret;
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k = 0;
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k = 0;
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swqe = ehea_get_swqe(pr->qp, &swqe_index);
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swqe = ehea_get_swqe(pr->qp, &swqe_index);
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memset(swqe, 0, SWQE_HEADER_SIZE);
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memset(swqe, 0, SWQE_HEADER_SIZE);
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@ -809,13 +811,14 @@ static void check_sqs(struct ehea_port *port)
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ehea_post_swqe(pr->qp, swqe);
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ehea_post_swqe(pr->qp, swqe);
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while (pr->sq_restart_flag == 0) {
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ret = wait_event_timeout(port->restart_wq,
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msleep(5);
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pr->sq_restart_flag == 0,
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if (++k == 100) {
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msecs_to_jiffies(100));
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ehea_error("HW/SW queues out of sync");
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ehea_schedule_port_reset(pr->port);
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if (!ret) {
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return;
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ehea_error("HW/SW queues out of sync");
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}
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ehea_schedule_port_reset(pr->port);
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return;
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}
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}
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}
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}
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}
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}
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@ -2654,6 +2657,7 @@ static int ehea_open(struct net_device *dev)
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}
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}
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init_waitqueue_head(&port->swqe_avail_wq);
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init_waitqueue_head(&port->swqe_avail_wq);
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init_waitqueue_head(&port->restart_wq);
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mutex_unlock(&port->port_lock);
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mutex_unlock(&port->port_lock);
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