1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index dd54fa727a61..d2ef9732c1d9 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -480,6 +480,16 @@ static void ath9k_tasklet(unsigned long data)
         if (status & ATH9K_INT_TX)
                 ath_tx_tasklet(sc);
 
+        if ((status & ATH9K_INT_TSFOOR) &&
+            (sc->hw->conf.flags & IEEE80211_CONF_PS)) {
+                /*
+                 * TSF sync does not look correct; remain awake to sync with
+                 * the next Beacon.
+                 */
+                DPRINTF(sc, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n");
+                sc->sc_flags |= SC_OP_WAIT_FOR_BEACON;
+        }
+
         /* re-enable hardware interrupt */
         ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
         ath9k_ps_restore(sc);