From ea22df29a300d4120e2d0a0727aa55f922374f42 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Sat, 23 Aug 2014 13:29:07 +0530 Subject: [PATCH] ath9k: Add a routine to tear down channel contexts Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ath9k.h | 4 ++++ drivers/net/wireless/ath/ath9k/channel.c | 5 +++++ drivers/net/wireless/ath/ath9k/main.c | 3 ++- drivers/net/wireless/ath/ath9k/wow.c | 3 ++- 4 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index eb3572ffaaea..e88e18dec52c 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -437,6 +437,7 @@ void ath_roc_complete(struct ath_softc *sc, bool abort); bool ath9k_is_chanctx_enabled(void); void ath9k_fill_chanctx_ops(void); void ath9k_init_channel_context(struct ath_softc *sc); +void ath9k_deinit_channel_context(struct ath_softc *sc); int ath9k_init_p2p(struct ath_softc *sc); void ath9k_deinit_p2p(struct ath_softc *sc); void ath9k_p2p_remove_vif(struct ath_softc *sc, @@ -456,6 +457,9 @@ static inline void ath9k_fill_chanctx_ops(void) static inline void ath9k_init_channel_context(struct ath_softc *sc) { } +static inline void ath9k_deinit_channel_context(struct ath_softc *sc) +{ +} static inline int ath9k_init_p2p(struct ath_softc *sc) { return 0; diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index a4366c1b2684..9c2cf9091583 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -959,6 +959,11 @@ void ath9k_init_channel_context(struct ath_softc *sc) (unsigned long)sc); } +void ath9k_deinit_channel_context(struct ath_softc *sc) +{ + cancel_work_sync(&sc->chanctx_work); +} + bool ath9k_is_chanctx_enabled(void) { return (ath9k_use_chanctx == 1); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index ed281ac1b742..e5c523a812c5 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -822,7 +822,8 @@ static void ath9k_stop(struct ieee80211_hw *hw) struct ath_common *common = ath9k_hw_common(ah); bool prev_idle; - cancel_work_sync(&sc->chanctx_work); + ath9k_deinit_channel_context(sc); + mutex_lock(&sc->mutex); ath_cancel_work(sc); diff --git a/drivers/net/wireless/ath/ath9k/wow.c b/drivers/net/wireless/ath/ath9k/wow.c index a4f4f0da81f6..33531d9a4d50 100644 --- a/drivers/net/wireless/ath/ath9k/wow.c +++ b/drivers/net/wireless/ath/ath9k/wow.c @@ -193,7 +193,8 @@ int ath9k_suspend(struct ieee80211_hw *hw, u32 wow_triggers_enabled = 0; int ret = 0; - cancel_work_sync(&sc->chanctx_work); + ath9k_deinit_channel_context(sc); + mutex_lock(&sc->mutex); ath_cancel_work(sc); -- 2.20.1