ath9k_hw: Fix multicast search for AR9002 family
authorSujith Manoharan <c_manoha@qca.qualcomm.com>
Mon, 15 Jul 2013 05:33:57 +0000 (11:03 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 18 Jul 2013 20:22:00 +0000 (16:22 -0400)
The multicast search bit is disabled for the AR9003
family, but this is required for AR9002 too. Fix this in
the INI override routine.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ath/ath9k/ar5008_phy.c

index d1acfe98918a2a50689c2760ed6455cf2c239b2a..1576d58291d457612ddeadf0933904bf6f552d3a 100644 (file)
@@ -610,7 +610,15 @@ static void ar5008_hw_override_ini(struct ath_hw *ah,
        REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
 
        if (AR_SREV_9280_20_OR_LATER(ah)) {
-               val = REG_READ(ah, AR_PCU_MISC_MODE2);
+               /*
+                * For AR9280 and above, there is a new feature that allows
+                * Multicast search based on both MAC Address and Key ID.
+                * By default, this feature is enabled. But since the driver
+                * is not using this feature, we switch it off; otherwise
+                * multicast search based on MAC addr only will fail.
+                */
+               val = REG_READ(ah, AR_PCU_MISC_MODE2) &
+                       (~AR_ADHOC_MCAST_KEYID_ENABLE);
 
                if (!AR_SREV_9271(ah))
                        val &= ~AR_PCU_MISC_MODE2_HWWAR1;