diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 932ed5613355215304ce44e0fe6f048b04e6a68d..50209aed0ed23662d8e8e0877afff4bebfb75c84 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1028,8 +1028,6 @@ struct ath5k_hw {
 	bool			ah_turbo;
 	bool			ah_calibration;
 	bool			ah_single_chip;
-	bool			ah_aes_support;
-	bool			ah_combined_mic;
 
 	enum ath5k_version	ah_version;
 	enum ath5k_radio	ah_radio;
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index eb125d69fb78daafd880e57fea1aec46d1d67808..a0e08201c9397162b2449db79864c4f9b6fb40b9 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -317,12 +317,14 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 	common->keymax = (sc->ah->ah_version == AR5K_AR5210 ?
 			  AR5K_KEYTABLE_SIZE_5210 : AR5K_KEYTABLE_SIZE_5211);
 
-	ah->ah_aes_support = srev >= AR5K_SREV_AR5212_V4 &&
-		(ee->ee_version >= AR5K_EEPROM_VERSION_5_0 &&
-		 !AR5K_EEPROM_AES_DIS(ee->ee_misc5));
+	if (srev >= AR5K_SREV_AR5212_V4 &&
+	    (ee->ee_version >= AR5K_EEPROM_VERSION_5_0 &&
+	    !AR5K_EEPROM_AES_DIS(ee->ee_misc5)))
+		common->crypt_caps |= ATH_CRYPT_CAP_CIPHER_AESCCM |
+					ATH_CRYPT_CAP_MIC_AESCCM;
 
 	if (srev >= AR5K_SREV_AR2414) {
-		ah->ah_combined_mic = true;
+		common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED;
 		AR5K_REG_ENABLE_BITS(ah, AR5K_MISC_MODE,
 			AR5K_MISC_MODE_COMBINED_MIC);
 	}
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 7933646583a9a0a77805d34a43dc03895069e55e..0709bb091b2fdc7384f5b5ca5b3dd31be8700592 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -3294,7 +3294,7 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	case WLAN_CIPHER_SUITE_TKIP:
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
-		if (sc->ah->ah_aes_support)
+		if (common->crypt_caps & ATH_CRYPT_CAP_CIPHER_AESCCM)
 			break;
 		return -EOPNOTSUPP;
 	default: