diff options
| author | Sujith Manoharan <c_manoha@qti.qualcomm.com> | 2012-09-30 09:03:37 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-10-19 15:53:01 -0400 |
| commit | 750f32cf0a6e2a4d798e09da4079ede7d1721e54 (patch) | |
| tree | e5b65d21d6513dd798564597114ed3ccb017e646 | |
| parent | 78b1775ba03c2edcc8d765dd53a7e171b18e79ac (diff) | |
| download | linux-3.10-750f32cf0a6e2a4d798e09da4079ede7d1721e54.tar.gz linux-3.10-750f32cf0a6e2a4d798e09da4079ede7d1721e54.tar.bz2 linux-3.10-750f32cf0a6e2a4d798e09da4079ede7d1721e54.zip | |
ath9k: Fix BT_OP_SCAN usage
BT_OP_SCAN is applicable only for pre-MCI WLAN/BT combo chips
and using it for MCI-based cards is incorrect. Fix this by
cleaning up its usage.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/gpio.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index 334c98d5f04..bf4fb7db15e 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -216,8 +216,8 @@ static void ath_btcoex_period_timer(unsigned long data) struct ath_softc *sc = (struct ath_softc *) data; struct ath_hw *ah = sc->sc_ah; struct ath_btcoex *btcoex = &sc->btcoex; + enum ath_stomp_type stomp_type; u32 timer_period; - bool is_btscan; unsigned long flags; spin_lock_irqsave(&sc->sc_pm_lock, flags); @@ -228,19 +228,28 @@ static void ath_btcoex_period_timer(unsigned long data) spin_unlock_irqrestore(&sc->sc_pm_lock, flags); ath9k_ps_wakeup(sc); + if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) ath_detect_bt_priority(sc); - is_btscan = test_bit(BT_OP_SCAN, &btcoex->op_flags); if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) ath_mci_ftp_adjust(sc); spin_lock_bh(&btcoex->btcoex_lock); - ath9k_hw_btcoex_bt_stomp(ah, is_btscan ? ATH_BTCOEX_STOMP_ALL : - btcoex->bt_stomp_type); + stomp_type = btcoex->bt_stomp_type; + timer_period = btcoex->btcoex_no_stomp; + + if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) { + if (test_bit(BT_OP_SCAN, &btcoex->op_flags)) { + stomp_type = ATH_BTCOEX_STOMP_ALL; + timer_period = btcoex->btscan_no_stomp; + } + } + ath9k_hw_btcoex_bt_stomp(ah, stomp_type); ath9k_hw_btcoex_enable(ah); + spin_unlock_bh(&btcoex->btcoex_lock); /* @@ -252,17 +261,16 @@ static void ath_btcoex_period_timer(unsigned long data) if (btcoex->hw_timer_enabled) ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); - timer_period = is_btscan ? btcoex->btscan_no_stomp : - btcoex->btcoex_no_stomp; ath9k_gen_timer_start(ah, btcoex->no_stomp_timer, timer_period, timer_period * 10); btcoex->hw_timer_enabled = true; } ath9k_ps_restore(sc); + skip_hw_wakeup: - timer_period = btcoex->btcoex_period; - mod_timer(&btcoex->period_timer, jiffies + msecs_to_jiffies(timer_period)); + mod_timer(&btcoex->period_timer, + jiffies + msecs_to_jiffies(btcoex->btcoex_period)); } /* @@ -282,7 +290,8 @@ static void ath_btcoex_no_stomp_timer(void *arg) spin_lock_bh(&btcoex->btcoex_lock); if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || - test_bit(BT_OP_SCAN, &btcoex->op_flags)) + (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && + test_bit(BT_OP_SCAN, &btcoex->op_flags))) ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE); else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL) ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW); |