diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
index 2bdcdbc14b1e..0d6ff79aac73 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.h
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.h
@@ -18,7 +18,7 @@
 #define HTC_USB_H
 
 #define MAJOR_VERSION_REQ 1
-#define MINOR_VERSION_REQ 2
+#define MINOR_VERSION_REQ 3
 
 #define IS_AR7010_DEVICE(_v) (((_v) == AR9280_USB) || ((_v) == AR9287_USB))
 
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index dfc7a982fc7e..5ec214c37530 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -46,15 +46,8 @@ extern struct ieee80211_ops ath9k_htc_ops;
 extern int htc_modparam_nohwcrypt;
 
 enum htc_phymode {
-	HTC_MODE_AUTO		= 0,
-	HTC_MODE_11A		= 1,
-	HTC_MODE_11B		= 2,
-	HTC_MODE_11G		= 3,
-	HTC_MODE_FH		= 4,
-	HTC_MODE_TURBO_A	= 5,
-	HTC_MODE_TURBO_G	= 6,
-	HTC_MODE_11NA		= 7,
-	HTC_MODE_11NG		= 8
+	HTC_MODE_11NA		= 0,
+	HTC_MODE_11NG		= 1
 };
 
 enum htc_opmode {
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 5aa104fe7eeb..6065c2fc97f0 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -26,7 +26,7 @@ static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv,
 {
 	enum htc_phymode mode;
 
-	mode = HTC_MODE_AUTO;
+	mode = -EINVAL;
 
 	switch (ichan->chanmode) {
 	case CHANNEL_G:
@@ -45,6 +45,8 @@ static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv,
 		break;
 	}
 
+	WARN_ON(mode < 0);
+
 	return mode;
 }