ath9k: disable MIB interrupts to fix interrupt storm

[pandora-kernel.git] / drivers / net / wireless / ath9k / core.c

diff --git a/drivers/net/wireless/ath9k/core.c b/drivers/net/wireless/ath9k/core.c
index c049593..87e37bc 100644 (file)
--- a/drivers/net/wireless/ath9k/core.c
+++ b/drivers/net/wireless/ath9k/core.c
@@ -795,6 +795,12 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan)
        if (ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
                sc->sc_imask |= ATH9K_INT_CST;
 
+       /* Note: We disable MIB interrupts for now as we don't yet
+        * handle processing ANI, otherwise you will get an interrupt
+        * storm after about 7 hours of usage making the system unusable
+        * with huge latency. Once we do have ANI processing included
+        * we can re-enable this interrupt. */
+#if 0
        /*
         * Enable MIB interrupts when there are hardware phy counters.
         * Note we only do this (at the moment) for station mode.
@@ -802,6 +808,7 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan)
        if (ath9k_hw_phycounters(ah) &&
            ((sc->sc_opmode == ATH9K_M_STA) || (sc->sc_opmode == ATH9K_M_IBSS)))
                sc->sc_imask |= ATH9K_INT_MIB;
+#endif
        /*
         * Some hardware processes the TIM IE and fires an
         * interrupt when the TIM bit is set.  For hardware