+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1061,13 +1061,16 @@ void ath9k_hw_init_global_settings(struc
+
+ /*
+ * Workaround for early ACK timeouts, add an offset to match the
+- * initval's 64us ack timeout value.
++ * initval's 64us ack timeout value. Use 48us for the CTS timeout.
+ * This was initially only meant to work around an issue with delayed
+ * BA frames in some implementations, but it has been found to fix ACK
+ * timeout issues in other cases as well.
+ */
+- if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
++ if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) {
+ acktimeout += 64 - sifstime - ah->slottime;
++ ctstimeout += 48 - sifstime - ah->slottime;
++ }
++
+
+ ath9k_hw_set_sifs_time(ah, sifstime);
+ ath9k_hw_setslottime(ah, slottime);