staging: vt6656: mac80211 conversion: vnt_update_ifs change basic rates

Use wBasicRate to find ofdm_rate.

wBasicRate is changed to u32 to match struct ieee80211_bss_conf -> basic_rates
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/card.c

@@ -402,10 +402,8 @@ void vnt_update_ifs(struct vnt_private *priv)
 		priv->uCwMin = C_CWMIN_B;
 		max_min = 5;
 	} else {/* PK_TYPE_11GA & PK_TYPE_11GB */
-		u8 rate = 0;
 		bool ofdm_rate = false;
 		unsigned int ii = 0;
-		PWLAN_IE_SUPP_RATES item_rates = NULL;
 
 		priv->uSIFS = C_SIFS_BG;
 
@@ -416,28 +414,12 @@ void vnt_update_ifs(struct vnt_private *priv)
 
 		priv->uDIFS = C_SIFS_BG + 2 * priv->uSlot;
 
-		item_rates =
-			(PWLAN_IE_SUPP_RATES)priv->vnt_mgmt.abyCurrSuppRates;
-
-		for (ii = 0; ii < item_rates->len; ii++) {
-			rate = (u8)(item_rates->abyRates[ii] & 0x7f);
-			if (RATEwGetRateIdx(rate) > RATE_11M) {
-				ofdm_rate = true;
-				break;
-			}
-		}
-
-		if (ofdm_rate == false) {
-			item_rates = (PWLAN_IE_SUPP_RATES)priv->vnt_mgmt
-				.abyCurrExtSuppRates;
-			for (ii = 0; ii < item_rates->len; ii++) {
-				rate = (u8)(item_rates->abyRates[ii] & 0x7f);
-				if (RATEwGetRateIdx(rate) > RATE_11M) {
+		for (ii = RATE_54M; ii >= RATE_6M; ii--) {
+			if (priv->wBasicRate & ((u32)(0x1 << ii))) {
 				ofdm_rate = true;
 				break;
 			}
 		}
-		}
 
 		if (ofdm_rate == true) {
 			priv->uCwMin = C_CWMIN_A;

drivers/staging/vt6656/device.h

@@ -522,7 +522,7 @@ struct vnt_private {
 	/* Rate */
 	u8 byBBType; /* 0: 11A, 1:11B, 2:11G */
 	u8 byPacketType; /* 0:11a 1:11b 2:11gb 3:11ga */
-	u16 wBasicRate;
+	u32 wBasicRate;
 	u8 byTopOFDMBasicRate;
 	u8 byTopCCKBasicRate;