net/mlx4_en: Disable HW clock overflow check when no HW support

Should not run HW clock overflow check if HW clock is not supported. Also, since
this watchdog is the only customer of service_task, no need to start it in that case.

Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index f4f88b846020231e4272956a63a2c5d1d1892d60..05c7c13bdbde4216b360d60481c59a330b1b6c40 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1373,7 +1373,8 @@ static void mlx4_en_service_task(struct work_struct *work)
 
        mutex_lock(&mdev->state_lock);
        if (mdev->device_up) {
-               mlx4_en_ptp_overflow_check(mdev);
+               if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
+                       mlx4_en_ptp_overflow_check(mdev);
 
                queue_delayed_work(mdev->workqueue, &priv->service_task,
                                   SERVICE_TASK_DELAY);
@@ -2228,8 +2229,11 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
        }
        mlx4_en_set_default_moderation(priv);
        queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
-       queue_delayed_work(mdev->workqueue, &priv->service_task,
-                          SERVICE_TASK_DELAY);
+
+       if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
+               queue_delayed_work(mdev->workqueue, &priv->service_task,
+                                  SERVICE_TASK_DELAY);
+
        return 0;
 
 out: