mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-26 07:43:21 +02:00
ccd11de0ba
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29155 3c298f89-4303-0410-b956-a3cf2f4a3e73
69 lines
2.1 KiB
Diff
69 lines
2.1 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
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+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
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@@ -619,6 +619,7 @@ struct ath_softc {
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u16 curtxpow;
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bool ps_enabled;
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bool ps_idle;
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+ bool ps_fullsleep;
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short nbcnvifs;
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short nvifs;
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unsigned long ps_usecount;
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -118,9 +118,10 @@ void ath9k_ps_restore(struct ath_softc *
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if (--sc->ps_usecount != 0)
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goto unlock;
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- if (sc->ps_idle)
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+ if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK)) {
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mode = ATH9K_PM_FULL_SLEEP;
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- else if (sc->ps_enabled &&
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+ sc->ps_fullsleep = true;
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+ } else if (sc->ps_enabled &&
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!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
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PS_WAIT_FOR_CAB |
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PS_WAIT_FOR_PSPOLL_DATA |
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@@ -275,6 +276,7 @@ static bool ath_complete_reset(struct at
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sc->config.txpowlimit, &sc->curtxpow);
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ath9k_hw_set_interrupts(ah);
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ath9k_hw_enable_interrupts(ah);
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+ sc->ps_fullsleep = false;
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if (!(sc->sc_flags & (SC_OP_OFFCHANNEL)) && start) {
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if (sc->sc_flags & SC_OP_BEACONS)
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@@ -332,7 +334,8 @@ static int ath_reset_internal(struct ath
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hchan = ah->curchan;
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}
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- if (fastcc && !ath9k_hw_check_alive(ah))
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+ if (fastcc && (sc->ps_fullsleep ||
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+ !ath9k_hw_check_alive(ah)))
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fastcc = false;
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if (!ath_prepare_reset(sc, retry_tx, flush))
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@@ -1173,6 +1176,13 @@ static void ath9k_tx(struct ieee80211_hw
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}
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}
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+ /*
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+ * Cannot tx while the hardware is in full sleep, it first needs a full
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+ * chip reset to recover from that
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+ */
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+ if (unlikely(sc->sc_ah->power_mode == ATH9K_PM_FULL_SLEEP))
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+ goto exit;
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+
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if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) {
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/*
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* We are using PS-Poll and mac80211 can request TX while in
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -1983,7 +1983,7 @@ static void ath_tx_complete(struct ath_s
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skb_pull(skb, padsize);
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}
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- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
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+ if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) {
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sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
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ath_dbg(common, ATH_DBG_PS,
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"Going back to sleep after having received TX status (0x%lx)\n",
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