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rt2x00: Move TX/RX work into dedicated workqueue

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The TX/RX work structures must be able to run independently
of other workqueues. This is because mac80211 might use
the flush() callback function from various context, which depends
on the TX/RX work to complete while the main thread is blocked
(until the the TX queues are empty).

This should reduce the number of  'Queue %d failed to flush' warnings.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn
2011-01-30 13:24:05 +01:00
committed by John W. Linville
parent e1f4e808bb
commit 0439f5367c
4 changed files with 25 additions and 7 deletions
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10
drivers/net/wireless/rt2x00/rt2x00dev.c
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@@ -997,8 +997,15 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
BIT(NL80211_IFTYPE_WDS);
/*
* Initialize configuration work.
* Initialize work.
*/
rt2x00dev->workqueue =
alloc_ordered_workqueue(wiphy_name(rt2x00dev->hw->wiphy), 0);
if (!rt2x00dev->workqueue) {
retval = -ENOMEM;
goto exit;
}
INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
/*
@@ -1057,6 +1064,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
cancel_work_sync(&rt2x00dev->intf_work);
cancel_work_sync(&rt2x00dev->rxdone_work);
cancel_work_sync(&rt2x00dev->txdone_work);
destroy_workqueue(rt2x00dev->workqueue);
/*
* Free the tx status fifo.