From 20f7ff40148e3e60f3448ec1e963f68a268581a4 Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Date: Sun, 1 Jul 2012 19:53:54 +0530
Subject: [PATCH] --- yaml --- r: 315248 b: refs/heads/master c:
 08d4df410a9ff02c999e69268ec2f4fbfeaac8d7 h: refs/heads/master v: v3

---
 [refs]                                       |  2 +-
 trunk/drivers/net/wireless/ath/ath9k/ath9k.h |  4 ++++
 trunk/drivers/net/wireless/ath/ath9k/gpio.c  | 16 ++++++++++++++++
 trunk/drivers/net/wireless/ath/ath9k/main.c  |  2 ++
 4 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index ead4a4e957b6..eba693f58fc4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b73f3e78047abdcc8bc33f97445ef6691ce3cc3d
+refs/heads/master: 08d4df410a9ff02c999e69268ec2f4fbfeaac8d7
diff --git a/trunk/drivers/net/wireless/ath/ath9k/ath9k.h b/trunk/drivers/net/wireless/ath/ath9k/ath9k.h
index fe39eb4c42a1..79840d6deef2 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/trunk/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -481,6 +481,7 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc);
 void ath9k_btcoex_timer_pause(struct ath_softc *sc);
 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
+void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);
 #else
 static inline int ath9k_init_btcoex(struct ath_softc *sc)
 {
@@ -504,6 +505,9 @@ static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
 {
 	return 0;
 }
+static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
+{
+}
 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
 
 /********************/
diff --git a/trunk/drivers/net/wireless/ath/ath9k/gpio.c b/trunk/drivers/net/wireless/ath/ath9k/gpio.c
index 5eac4d168653..f23af023f3c6 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/gpio.c
@@ -194,6 +194,14 @@ static void ath_btcoex_period_timer(unsigned long data)
 	struct ath_mci_profile *mci = &btcoex->mci;
 	u32 timer_period;
 	bool is_btscan;
+	unsigned long flags;
+
+	spin_lock_irqsave(&sc->sc_pm_lock, flags);
+	if (sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP) {
+		spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+		goto skip_hw_wakeup;
+	}
+	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
 
 	ath9k_ps_wakeup(sc);
 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
@@ -232,6 +240,7 @@ static void ath_btcoex_period_timer(unsigned long data)
 	}
 
 	ath9k_ps_restore(sc);
+skip_hw_wakeup:
 	timer_period = btcoex->btcoex_period;
 	mod_timer(&btcoex->period_timer, jiffies + msecs_to_jiffies(timer_period));
 }
@@ -328,6 +337,13 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc)
 	btcoex->hw_timer_enabled = false;
 }
 
+void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+
+	ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
+}
+
 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen)
 {
 	struct ath_btcoex *btcoex = &sc->btcoex;
diff --git a/trunk/drivers/net/wireless/ath/ath9k/main.c b/trunk/drivers/net/wireless/ath/ath9k/main.c
index 6ce012815ba6..06a3d1c7f2b9 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/main.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/main.c
@@ -130,6 +130,8 @@ void ath9k_ps_restore(struct ath_softc *sc)
 				     PS_WAIT_FOR_PSPOLL_DATA |
 				     PS_WAIT_FOR_TX_ACK))) {
 		mode = ATH9K_PM_NETWORK_SLEEP;
+		if (ath9k_hw_btcoex_is_enabled(sc->sc_ah))
+			ath9k_btcoex_stop_gen_timer(sc);
 	} else {
 		goto unlock;
 	}