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ath9k: Make sure null func frame is acked before going into PS for ar9003 

Add missing code to handle nullfunc frame completion in
ath_tx_edma_tasklet().

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2010-05-17 18:57:54 -07:00 committed by John W. Linville
parent 77c2061d10
commit de0f648dc7
1 changed files with 11 additions and 0 deletions
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11
drivers/net/wireless/ath/ath9k/xmit.c
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@ -2279,6 +2279,17 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
txok = !(txs.ts_status & ATH9K_TXERR_MASK);
/*
* Make sure null func frame is acked before configuring
* hw into ps mode.
*/
if (bf->bf_isnullfunc && txok) {
if ((sc->ps_flags & PS_ENABLED))
ath9k_enable_ps(sc);
else
sc->ps_flags |= PS_NULLFUNC_COMPLETED;
}
if (!bf_isampdu(bf)) {
bf->bf_retries = txs.ts_longretry;
if (txs.ts_status & ATH9K_TXERR_XRETRY)