7 files changed, 6 insertions, 22 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 2589b38b689a..2b0bfb8cca02 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -46,7 +46,7 @@ static const int m2ThreshExt_off = 127;
  * @chan:
  *
  * This is the function to change channel on single-chip devices, that is
- * all devices after ar9280.
+ * for AR9300 family of chipsets.
  *
  * This function takes the channel value in MHz and sets
  * hardware channel value. Assumes writes have been enabled to analog bus.
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index b30e9fc6433f..171ccf7c972f 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -679,7 +679,6 @@ void ath9k_deinit_device(struct ath_softc *sc);
 void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
 void ath9k_reload_chainmask_settings(struct ath_softc *sc);
 
-void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
 bool ath9k_uses_beacons(int type);
 
 #ifdef CONFIG_ATH9K_PCI
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 172e33db7f4c..2f4b48e6fb03 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -400,6 +400,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
 	ah->noise = ath9k_hw_getchan_noise(ah, chan);
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_getnf);
 
 void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
 				  struct ath9k_channel *chan)
diff --git a/drivers/net/wireless/ath/ath9k/calib.h b/drivers/net/wireless/ath/ath9k/calib.h
index 05b9dbf81850..3b33996d97df 100644
--- a/drivers/net/wireless/ath/ath9k/calib.h
+++ b/drivers/net/wireless/ath/ath9k/calib.h
@@ -19,7 +19,6 @@
 
 #include "hw.h"
 
-#define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT     3
 #define AR_PHY_CCA_FILTERWINDOW_LENGTH          5
 
 #define NUM_NF_READINGS       6
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index e267c92dbfb8..4a00806e2852 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1629,7 +1629,6 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 
 	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
 		struct ieee80211_channel *curchan = hw->conf.channel;
-		struct ath9k_channel old_chan;
 		int pos = curchan->hw_value;
 		int old_pos = -1;
 		unsigned long flags;
@@ -1654,11 +1653,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		 * Preserve the current channel values, before updating
 		 * the same channel
 		 */
-		if (old_pos == pos) {
-			memcpy(&old_chan, &sc->sc_ah->channels[pos],
-				sizeof(struct ath9k_channel));
-			ah->curchan = &old_chan;
-		}
+		if (ah->curchan && (old_pos == pos))
+			ath9k_hw_getnf(ah, ah->curchan);
 
 		ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
 					  curchan, conf->channel_type);
diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c
index de57f90e1d5f..3c164226687f 100644
--- a/drivers/net/wireless/ath/carl9170/debug.c
+++ b/drivers/net/wireless/ath/carl9170/debug.c
@@ -56,7 +56,7 @@ static int carl9170_debugfs_open(struct inode *inode, struct file *file)
 
 struct carl9170_debugfs_fops {
 	unsigned int read_bufsize;
-	mode_t attr;
+	umode_t attr;
 	char *(*read)(struct ar9170 *ar, char *buf, size_t bufsize,
 		      ssize_t *len);
 	ssize_t (*write)(struct ar9170 *aru, const char *buf, size_t size);
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index 333b69ef2ae2..89821e4835c7 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -1161,15 +1161,4 @@ static struct usb_driver carl9170_driver = {
 #endif /* CONFIG_PM */
 };
 
-static int __init carl9170_usb_init(void)
-{
-	return usb_register(&carl9170_driver);
-}
-
-static void __exit carl9170_usb_exit(void)
-{
-	usb_deregister(&carl9170_driver);
-}
-
-module_init(carl9170_usb_init);
-module_exit(carl9170_usb_exit);
+module_usb_driver(carl9170_driver);