2012-06-04 10:58:28

by Sujith Manoharan

[permalink] [raw]
Subject: [PATCH v3 03/20] ath9k: Setup MCI interrupts properly

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

Signed-off-by: Sujith Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/main.c | 3 +--
drivers/net/wireless/ath/ath9k/mci.c | 11 +++++++++++
drivers/net/wireless/ath/ath9k/mci.h | 11 ++++++++++-
3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 4de4473..1acccd0 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*/
--
1.7.10.3