1 files changed, 9 insertions, 15 deletions

diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index c36de303c8f3..07a0315dd2f6 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -57,6 +57,10 @@ static int ath9k_bt_ant_diversity;
 module_param_named(bt_ant_diversity, ath9k_bt_ant_diversity, int, 0444);
 MODULE_PARM_DESC(bt_ant_diversity, "Enable WLAN/BT RX antenna diversity");
 
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
 bool is_ath9k_unloaded;
 /* We use the hw_value as an index into our private channel structure */
 
@@ -534,7 +538,7 @@ static void ath9k_init_misc(struct ath_softc *sc)
 
 	setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
 
-	sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
+	common->last_rssi = ATH_RSSI_DUMMY_MARKER;
 	sc->config.txpowlimit = ATH_TXPOWER_MAX;
 	memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
 	sc->beacon.slottime = ATH9K_SLOT_TIME_9;
@@ -903,13 +907,15 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 	hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
 		IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
 		IEEE80211_HW_SIGNAL_DBM |
-		IEEE80211_HW_SUPPORTS_PS |
 		IEEE80211_HW_PS_NULLFUNC_STACK |
 		IEEE80211_HW_SPECTRUM_MGMT |
 		IEEE80211_HW_REPORTS_TX_ACK_STATUS |
 		IEEE80211_HW_SUPPORTS_RC_TABLE |
 		IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
 
+	if (ath9k_ps_enable)
+		hw->flags |= IEEE80211_HW_SUPPORTS_PS;
+
 	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
 		hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
 
@@ -1100,19 +1106,11 @@ static int __init ath9k_init(void)
 {
 	int error;
 
-	/* Register rate control algorithm */
-	error = ath_rate_control_register();
-	if (error != 0) {
-		pr_err("Unable to register rate control algorithm: %d\n",
-		       error);
-		goto err_out;
-	}
-
 	error = ath_pci_init();
 	if (error < 0) {
 		pr_err("No PCI devices found, driver not installed\n");
 		error = -ENODEV;
-		goto err_rate_unregister;
+		goto err_out;
 	}
 
 	error = ath_ahb_init();
@@ -1125,9 +1123,6 @@ static int __init ath9k_init(void)
 
  err_pci_exit:
 	ath_pci_exit();
-
- err_rate_unregister:
-	ath_rate_control_unregister();
  err_out:
 	return error;
 }
@@ -1138,7 +1133,6 @@ static void __exit ath9k_exit(void)
 	is_ath9k_unloaded = true;
 	ath_ahb_exit();
 	ath_pci_exit();
-	ath_rate_control_unregister();
 	pr_info("%s: Driver unloaded\n", dev_info);
 }
 module_exit(ath9k_exit);