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net: cavium: liquidio: Remove deprecated create_workqueue

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alloc_workqueue replaces deprecated create_workqueue().

A dedicated workqueue has been used since the workitem viz
(&lio->txq_status_wq.wk.work which maps to octnet_poll_check_txq_status)
is involved in a brief poll routine for checking transmit queue status
and is an intergral part of normal device operation.
WQ_MEM_RECLAIM has been set to guarantee forward progress under memory
pressure, which is a requirement here.
Since there are only a fixed number of work items, explicit concurrency
limit is unnecessary.

flush_workqueue is unnecessary since destroy_workqueue() itself calls
drain_workqueue() which flushes repeatedly till the workqueue
becomes empty.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bhaktipriya Shridhar 2016-06-08 01:47:59 +05:30 committed by David S. Miller
parent f7d3c1cbe3
commit 292b9dab40
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/cavium/liquidio/lio_main.c
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@ -2036,7 +2036,8 @@ static inline void setup_tx_poll_fn(struct net_device *netdev)
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct = lio->oct_dev;
lio->txq_status_wq.wq = create_workqueue("txq-status");
lio->txq_status_wq.wq = alloc_workqueue("txq-status",
WQ_MEM_RECLAIM, 0);
if (!lio->txq_status_wq.wq) {
dev_err(&oct->pci_dev->dev, "unable to create cavium txq status wq\n");
return;
@ -2103,7 +2104,6 @@ static int liquidio_stop(struct net_device *netdev)
send_rx_ctrl_cmd(lio, 0);
cancel_delayed_work_sync(&lio->txq_status_wq.wk.work);
flush_workqueue(lio->txq_status_wq.wq);
destroy_workqueue(lio->txq_status_wq.wq);
if (lio->ptp_clock) {