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rt2x00: rt2800usb: schedule txdone work on timeout

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This is fix for my current commit
ed61e2b020
"rt2x00: rt2800usb: rework txdone code"

We should schedule txdone work on timeout, otherwise if newer get
tx status from hardware, we will never report tx status to mac80211
and eventually never wakeup tx queue.

Reported-by: Jakub Kicinski <moorray@wp.pl>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stanislaw Gruszka 2012-03-19 09:39:45 +01:00 committed by John W. Linville
parent b603c03e95
commit b9fc106108
1 changed files with 7 additions and 1 deletions
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8
drivers/net/wireless/rt2x00/rt2800usb.c
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@ -163,7 +163,13 @@ static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
/* Reschedule urb to read TX status again instantly */
return true;
} else if (rt2800usb_txstatus_pending(rt2x00dev)) {
}
/* Check if there is any entry that timedout waiting on TX status */
if (rt2800usb_txstatus_timeout(rt2x00dev))
queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
if (rt2800usb_txstatus_pending(rt2x00dev)) {
/* Read register after 250 us */
hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 250000),
HRTIMER_MODE_REL);