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ath9k: Add workaround to recover from failed channel changes

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It looks like channel change may fail in some cases and end up leaving
the hardware in state where it cannot transmit any frames. Add a
workaround to recover from this state if we detect that wiphy
selection is failing due to wiphys not leaving PAUSING state.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen
2009-03-03 19:23:37 +02:00
committed by John W. Linville
parent ee166a0e71
commit 7ec3e514d9
3 changed files with 43 additions and 2 deletions
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4
drivers/net/wireless/ath9k/main.c
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@@ -1090,7 +1090,7 @@ fail:
/* Rfkill */
/*******************/
static void ath_radio_enable(struct ath_softc *sc)
void ath_radio_enable(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ieee80211_channel *channel = sc->hw->conf.channel;
@@ -1131,7 +1131,7 @@ static void ath_radio_enable(struct ath_softc *sc)
ath9k_ps_restore(sc);
}
static void ath_radio_disable(struct ath_softc *sc)
void ath_radio_disable(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ieee80211_channel *channel = sc->hw->conf.channel;