From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Mon, 4 Jun 2012 10:57:19 +0000 (+0530)
Subject: ath9k: Setup MCI interrupts properly
X-Git-Tag: v3.12-rc1~2707^2~559^2~36
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e270e776a0985511146555e79edbe53539809adb;p=kernel%2Fkernel-generic.git

ath9k: Setup MCI interrupts properly

MCI interrupts have to be enabled only when BTCOEX is
actually in use.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index cfbcc04..3809fc8 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1045,8 +1045,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_HT)
 		ah->imask |= ATH9K_INT_CST;
 
-	if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
-		ah->imask |= ATH9K_INT_MCI;
+	ath_mci_enable(sc);
 
 	sc->sc_flags &= ~SC_OP_INVALID;
 	sc->sc_ah->is_monitoring = false;
diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c
index 29fe52d..7b553f6 100644
--- a/drivers/net/wireless/ath/ath9k/mci.c
+++ b/drivers/net/wireless/ath/ath9k/mci.c
@@ -538,3 +538,14 @@ void ath_mci_intr(struct ath_softc *sc)
 		mci_int &= ~(AR_MCI_INTERRUPT_RX_INVALID_HDR |
 			     AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT);
 }
+
+void ath_mci_enable(struct ath_softc *sc)
+{
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+
+	if (!common->btcoex_enabled)
+		return;
+
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
+		sc->sc_ah->imask |= ATH9K_INT_MCI;
+}
diff --git a/drivers/net/wireless/ath/ath9k/mci.h b/drivers/net/wireless/ath/ath9k/mci.h
index c841444..fc14eea 100644
--- a/drivers/net/wireless/ath/ath9k/mci.h
+++ b/drivers/net/wireless/ath/ath9k/mci.h
@@ -130,4 +130,13 @@ void ath_mci_flush_profile(struct ath_mci_profile *mci);
 int ath_mci_setup(struct ath_softc *sc);
 void ath_mci_cleanup(struct ath_softc *sc);
 void ath_mci_intr(struct ath_softc *sc);
-#endif
+
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+void ath_mci_enable(struct ath_softc *sc);
+#else
+static inline void ath_mci_enable(struct ath_softc *sc)
+{
+}
+#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
+
+#endif /* MCI_H*/