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net/mlx5e: Schedule overflow check work to mlx5e workqueue

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This is done in order to ensure that work will not run after the cleanup.

Fixes: ef9814deaf ('net/mlx5e: Add HW timestamping (TS) support')
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eugenia Emantayev 2017-07-12 17:44:07 +03:00 committed by Saeed Mahameed
parent d439c84509
commit f08c39ed0b
1 changed files with 5 additions and 6 deletions
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11
drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
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@ -114,13 +114,14 @@ static void mlx5e_timestamp_overflow(struct work_struct *work)
struct delayed_work *dwork = to_delayed_work(work);
struct mlx5e_tstamp *tstamp = container_of(dwork, struct mlx5e_tstamp,
overflow_work);
struct mlx5e_priv *priv = container_of(tstamp, struct mlx5e_priv, tstamp);
unsigned long flags;
write_lock_irqsave(&tstamp->lock, flags);
timecounter_read(&tstamp->clock);
write_unlock_irqrestore(&tstamp->lock, flags);
schedule_delayed_work(&tstamp->overflow_work,
msecs_to_jiffies(tstamp->overflow_period * 1000));
queue_delayed_work(priv->wq, &tstamp->overflow_work,
msecs_to_jiffies(tstamp->overflow_period * 1000));
}
int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)
@ -577,7 +578,7 @@ void mlx5e_timestamp_init(struct mlx5e_priv *priv)
INIT_WORK(&tstamp->pps_info.out_work, mlx5e_pps_out);
INIT_DELAYED_WORK(&tstamp->overflow_work, mlx5e_timestamp_overflow);
if (tstamp->overflow_period)
schedule_delayed_work(&tstamp->overflow_work, 0);
queue_delayed_work(priv->wq, &tstamp->overflow_work, 0);
else
mlx5_core_warn(priv->mdev, "invalid overflow period, overflow_work is not scheduled\n");
@ -613,8 +614,6 @@ void mlx5e_timestamp_cleanup(struct mlx5e_priv *priv)
}
cancel_work_sync(&tstamp->pps_info.out_work);
kfree(tstamp->ptp_info.pin_config);
cancel_delayed_work_sync(&tstamp->overflow_work);
kfree(tstamp->ptp_info.pin_config);
}