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net/mlx4_en: Remove selftest TX queues empty condition

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Remove waiting for TX queues to become empty during selftest.
This check is not necessary for any purpose, and might put
the driver into an infinite loop.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eugenia Emantayev 2013-12-01 14:19:34 +02:00 committed by David S. Miller
parent 3868204d6b
commit 833846e8fa
1 changed files with 0 additions and 7 deletions
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7
drivers/net/ethernet/mellanox/mlx4/en_selftest.c
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@ -140,7 +140,6 @@ void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
struct mlx4_en_tx_ring *tx_ring;
int i, carrier_ok;
memset(buf, 0, sizeof(u64) * MLX4_EN_NUM_SELF_TEST);
@ -150,16 +149,10 @@ void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
carrier_ok = netif_carrier_ok(dev);
netif_carrier_off(dev);
retry_tx:
/* Wait until all tx queues are empty.
* there should not be any additional incoming traffic
* since we turned the carrier off */
msleep(200);
for (i = 0; i < priv->tx_ring_num && carrier_ok; i++) {
tx_ring = priv->tx_ring[i];
if (tx_ring->prod != (tx_ring->cons + tx_ring->last_nr_txbb))
goto retry_tx;
}
if (priv->mdev->dev->caps.flags &
MLX4_DEV_CAP_FLAG_UC_LOOPBACK) {