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ath9k: fix ready time of the multicast buffer queue

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qi->tqi_readyTime is written directly to registers that expect
microseconds as unit instead of TU.
When setting the CABQ ready time, cur_conf->beacon_interval is in TU, so
convert it to microseconds before passing it to ath9k_hw.

This should hopefully fix some Tx DMA issues with buffered multicast
frames in AP mode.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2014-03-09 11:02:54 +01:00 committed by John W. Linville
parent 6caefd1271
commit 3b3e0efb5c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/ath9k/xmit.c
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@ -1699,7 +1699,7 @@ int ath_cabq_update(struct ath_softc *sc)
ath9k_hw_get_txq_props(sc->sc_ah, qnum, &qi);
qi.tqi_readyTime = (cur_conf->beacon_interval *
qi.tqi_readyTime = (TU_TO_USEC(cur_conf->beacon_interval) *
ATH_CABQ_READY_TIME) / 100;
ath_txq_update(sc, qnum, &qi);