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ath9k: optimize ath9k_flush

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Instead of checking the queues in a loop with hardcoded sleep times
inbetween, use a wait queue to trigger queue checks after the tx
processing tasklet has run.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2013-11-11 22:23:35 +01:00
committed by John W. Linville
parent 10ffb6a77e
commit 10e2318103
3 changed files with 27 additions and 21 deletions
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drivers/net/wireless/ath/ath9k/init.c
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@@ -691,6 +691,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
common = ath9k_hw_common(ah);
sc->dfs_detector = dfs_pattern_detector_init(common, NL80211_DFS_UNSET);
sc->tx99_power = MAX_RATE_POWER + 1;
init_waitqueue_head(&sc->tx_wait);
if (!pdata) {
ah->ah_flags |= AH_USE_EEPROM;