ath9k: Fix bug in disabling MIB counters

This patch fixes a bug in ANI, where the MIB counters were
being cleared before the stats were updated.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath9k/ani.c b/drivers/net/wireless/ath9k/ani.c
index d4df7e611df5703119a5bad219da9a7881f4ca8d..a39eb760cbb7e0979ef8730d3b1c260c1368a208 100644 (file)
--- a/drivers/net/wireless/ath9k/ani.c
+++ b/drivers/net/wireless/ath9k/ani.c
@@ -642,14 +642,13 @@ void ath9k_enable_mib_counters(struct ath_hw *ah)
        REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
 }
 
+/* Freeze the MIB counters, get the stats and then clear them */
 void ath9k_hw_disable_mib_counters(struct ath_hw *ah)
 {
        DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Disable MIB counters\n");
-
-       REG_WRITE(ah, AR_MIBC, AR_MIBC_FMC | AR_MIBC_CMC);
-
+       REG_WRITE(ah, AR_MIBC, AR_MIBC_FMC);
        ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
-
+       REG_WRITE(ah, AR_MIBC, AR_MIBC_CMC);
        REG_WRITE(ah, AR_FILT_OFDM, 0);
        REG_WRITE(ah, AR_FILT_CCK, 0);
 }