ath9k: remove MIB interrupt support

The new ANI implementation does not need it

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

1 files changed, 0 insertions, 40 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 7d5367676d4e..da73fa2a77d6 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -490,46 +490,6 @@ void ath9k_hw_disable_mib_counters(struct ath_hw *ah)
 }
 EXPORT_SYMBOL(ath9k_hw_disable_mib_counters);
 
-/*
- * Process a MIB interrupt.  We may potentially be invoked because
- * any of the MIB counters overflow/trigger so don't assume we're
- * here because a PHY error counter triggered.
- */
-void ath9k_hw_proc_mib_event(struct ath_hw *ah)
-{
-        u32 phyCnt1, phyCnt2;
-
-        /* Reset these counters regardless */
-        REG_WRITE(ah, AR_FILT_OFDM, 0);
-        REG_WRITE(ah, AR_FILT_CCK, 0);
-        if (!(REG_READ(ah, AR_SLP_MIB_CTRL) & AR_SLP_MIB_PENDING))
-                REG_WRITE(ah, AR_SLP_MIB_CTRL, AR_SLP_MIB_CLEAR);
-
-        /* Clear the mib counters and save them in the stats */
-        ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
-
-        if (!DO_ANI(ah)) {
-                /*
-                 * We must always clear the interrupt cause by
-                 * resetting the phy error regs.
-                 */
-                REG_WRITE(ah, AR_PHY_ERR_1, 0);
-                REG_WRITE(ah, AR_PHY_ERR_2, 0);
-                return;
-        }
-
-        /* NB: these are not reset-on-read */
-        phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
-        phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
-        if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) ||
-            ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) {
-
-                /* NB: always restart to insure the h/w counters are reset */
-                ath9k_ani_restart(ah);
-        }
-}
-EXPORT_SYMBOL(ath9k_hw_proc_mib_event);
-
 void ath9k_hw_ani_setup(struct ath_hw *ah)
 {
         int i;