ath9k possible fix for FS#34569 - [linux] 3.7.x - 3.8.x ath wifi driver locks up some machines.

001-ath9k-hang.patch

diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c
index ade3afb..92fae7d 100644
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -132,6 +132,8 @@ void ath_hw_pll_work(struct work_struct *work)
        u32 pll_sqsum;
        struct ath_softc *sc = container_of(work, struct ath_softc,
                                            hw_pll_work.work);
+
+       ath9k_ps_wakeup(sc);
        /*
         * ensure that the PLL WAR is executed only
         * after the STA is associated (or) if the
@@ -141,7 +143,6 @@ void ath_hw_pll_work(struct work_struct *work)
        if (!test_bit(SC_OP_BEACONS, &sc->sc_flags))
                return;
 
-       ath9k_ps_wakeup(sc);
        pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah);
        ath9k_ps_restore(sc);
        if (ath_hw_pll_rx_hang_check(sc, pll_sqsum))