From df198b172f7a14ecf7aefaadb3761c273600333e Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Wed, 22 Feb 2012 12:40:27 +0530 Subject: [PATCH] ath9k: Use proper start/stop routines for BTCOEX Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ath9k.h | 3 ++- drivers/net/wireless/ath/ath9k/gpio.c | 31 +++++++++++++++++++++++++- drivers/net/wireless/ath/ath9k/main.c | 19 ++-------------- 3 files changed, 34 insertions(+), 19 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index aa609832e06f..2ede8977406d 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -456,7 +456,8 @@ struct ath_btcoex { int ath9k_init_btcoex(struct ath_softc *sc); void ath9k_deinit_btcoex(struct ath_softc *sc); -int ath_init_btcoex_timer(struct ath_softc *sc); +void ath9k_start_btcoex(struct ath_softc *sc); +void ath9k_stop_btcoex(struct ath_softc *sc); void ath9k_btcoex_timer_resume(struct ath_softc *sc); void ath9k_btcoex_timer_pause(struct ath_softc *sc); diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index ef23624518b5..1ca2ca54f0e1 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -245,7 +245,7 @@ static void ath_btcoex_no_stomp_timer(void *arg) ath9k_ps_restore(sc); } -int ath_init_btcoex_timer(struct ath_softc *sc) +static int ath_init_btcoex_timer(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; @@ -318,6 +318,35 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc) btcoex->hw_timer_enabled = false; } +void ath9k_start_btcoex(struct ath_softc *sc) +{ + struct ath_hw *ah = sc->sc_ah; + + if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) && + !ah->btcoex_hw.enabled) { + if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) + ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, + AR_STOMP_LOW_WLAN_WGHT); + ath9k_hw_btcoex_enable(ah); + + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) + ath9k_btcoex_timer_resume(sc); + } +} + +void ath9k_stop_btcoex(struct ath_softc *sc) +{ + struct ath_hw *ah = sc->sc_ah; + + if (ah->btcoex_hw.enabled && + ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { + ath9k_hw_btcoex_disable(ah); + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) + ath9k_btcoex_timer_pause(sc); + ath_mci_flush_profile(&sc->btcoex.mci); + } +} + void ath9k_deinit_btcoex(struct ath_softc *sc) { if ((sc->btcoex.no_stomp_timer) && diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index c81304d3ef14..82c36a918946 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1075,16 +1075,7 @@ static int ath9k_start(struct ieee80211_hw *hw) spin_unlock_bh(&sc->sc_pcu_lock); - if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) && - !ah->btcoex_hw.enabled) { - if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) - ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, - AR_STOMP_LOW_WLAN_WGHT); - ath9k_hw_btcoex_enable(ah); - - if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) - ath9k_btcoex_timer_resume(sc); - } + ath9k_start_btcoex(sc); if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en) common->bus_ops->extn_synch_en(common); @@ -1185,13 +1176,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) /* Ensure HW is awake when we try to shut it down. */ ath9k_ps_wakeup(sc); - if (ah->btcoex_hw.enabled && - ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { - ath9k_hw_btcoex_disable(ah); - if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) - ath9k_btcoex_timer_pause(sc); - ath_mci_flush_profile(&sc->btcoex.mci); - } + ath9k_stop_btcoex(sc); spin_lock_bh(&sc->sc_pcu_lock); -- GitLab