wl1271: use acx_rx_config instead of join when updating filters

We shouldn't use a join command to change the filter settings while
associated.  The right way to do it is to use ACX_RX_CFG.
Signed-off-by: NLuciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: NJuuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/wl12xx/wl1271_main.c

@@ -422,7 +422,7 @@ static void wl1271_filter_work(struct work_struct *work)
 		goto out;
 
 	/* apply configured filters */
-	ret = wl1271_cmd_join(wl);
+	ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
 	if (ret < 0)
 		goto out_sleep;
 
@@ -869,6 +869,8 @@ static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
 			wl1271_warning("Unknown mc address length.");
 	}
 
+	/* FIXME: We still need to set our filters properly */
+
 	spin_lock_irqsave(&wl->wl_lock, flags);
 	kfree(wl->filter_params);
 	wl->filter_params = fp;