We were setting RX_FILTER_BEACON even after entering STA mode,
which leads to a lot of unnecessary wakeups.  This should fix the
bug "Ath5k driver has too many interrupts per second at idle" at
http://bugzilla.kernel.org/show_bug.cgi?id=11749.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
                sc->opmode != NL80211_IFTYPE_MESH_POINT &&
                test_bit(ATH_STAT_PROMISC, sc->status))
                rfilt |= AR5K_RX_FILTER_PROM;
-       if (sc->opmode == NL80211_IFTYPE_STATION ||
-               sc->opmode == NL80211_IFTYPE_ADHOC) {
+       if (sc->opmode == NL80211_IFTYPE_ADHOC)
                rfilt |= AR5K_RX_FILTER_BEACON;
-       }
 
        /* Set filters */
        ath5k_hw_set_rx_filter(ah,rfilt);