linux-kernel - [PATCH 3.16.y-ckt 110/128] net/mlx4_en: Remove dependency between timestamping capability and service

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Message-Id: <1453672883-2708-111-git-send-email-luis.henriques@canonical.com>
Date:	Sun, 24 Jan 2016 22:01:05 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Eugenia Emantayev <eugenia@...lanox.com>,
	Eran Ben Elisha <eranbe@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	"David S . Miller" <davem@...emloft.net>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 110/128] net/mlx4_en: Remove dependency between timestamping capability and service_task

3.16.7-ckt23 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Eugenia Emantayev <eugenia@...lanox.com>

commit fc9f5ea9b4ecbe9b7839c92f0a54261809c723d3 upstream.

Service task is responsible for other tasks in addition to timestamping
overflow check. Launch it even if timestamping is not supported by device.

Fixes: 07841f9d94c1 ('net/mlx4_en: Schedule napi when RX buffers allocation fails')
Signed-off-by: Eugenia Emantayev <eugenia@...lanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@...lanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 8be0c179e25d..3e663928b51e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2655,9 +2655,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	}
 	queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
 
-	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
-		queue_delayed_work(mdev->workqueue, &priv->service_task,
-				   SERVICE_TASK_DELAY);
+	queue_delayed_work(mdev->workqueue, &priv->service_task,
+			   SERVICE_TASK_DELAY);
 
 	err = register_netdev(dev);
 	if (err) {