From 280b9a9de19b0819dcf1ab38c88e37bb82dbea0c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 27 Aug 2012 17:00:03 +0200
Subject: ath9k_hw: do not enable the MIB interrupt in the interrupt mask
 register

The interrupt is no longer handling it. While it shouldn't fire (wraparound
is highly unlikely), the consequences would be fatal (interrupt storm).
Disable the interrupt to prevent that from happening.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 60b6a9d..d95474e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -978,9 +978,6 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
 	else
 		imr_reg |= AR_IMR_TXOK;
 
-	if (opmode == NL80211_IFTYPE_AP)
-		imr_reg |= AR_IMR_MIB;
-
 	ENABLE_REGWRITE_BUFFER(ah);
 
 	REG_WRITE(ah, AR_IMR, imr_reg);
-- 
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