ath9k: do not put the hardware to full-sleep while tx is pending
[openwrt/staging/mkresin.git] / package / mac80211 / patches / 563-ath9k_fix_full_sleep_tx.patch
1 --- a/drivers/net/wireless/ath/ath9k/main.c
2 +++ b/drivers/net/wireless/ath/ath9k/main.c
3 @@ -118,7 +118,7 @@ void ath9k_ps_restore(struct ath_softc *
4 if (--sc->ps_usecount != 0)
5 goto unlock;
6
7 - if (sc->ps_idle)
8 + if (sc->ps_idle && !(sc->ps_flags & PS_WAIT_FOR_TX_ACK))
9 mode = ATH9K_PM_FULL_SLEEP;
10 else if (sc->ps_enabled &&
11 !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
12 --- a/drivers/net/wireless/ath/ath9k/xmit.c
13 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
14 @@ -1983,7 +1983,7 @@ static void ath_tx_complete(struct ath_s
15 skb_pull(skb, padsize);
16 }
17
18 - if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
19 + if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) {
20 sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
21 ath_dbg(common, ATH_DBG_PS,
22 "Going back to sleep after having received TX status (0x%lx)\n",