ath9k: completely disable the MIB interrupt from the interrupt mask register to prevent potential interrupt storms

SVN-Revision: 33032

package/mac80211/patches/564-ath9k_remove_imr_mib.patch

@@ -0,0 +1,12 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -986,9 +986,6 @@ static void ath9k_hw_init_interrupt_mask
+ 	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);