[PATCH] libertas: remove adapter->txrate

The value of txrate was only set by a CMD_802_11_TX_RATE_QUERY command,
but there was no code in the driver that ever issued this command.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/cmd.c

@@ -1368,13 +1368,6 @@ int libertas_prepare_and_send_command(wlan_private * priv,
 					   S_DS_GEN);
 		ret = 0;
 		break;
-	case CMD_802_11_TX_RATE_QUERY:
-		cmdptr->command = cpu_to_le16(CMD_802_11_TX_RATE_QUERY);
-		cmdptr->size = cpu_to_le16(sizeof(struct cmd_tx_rate_query) +
-					   S_DS_GEN);
-		adapter->txrate = 0;
-		ret = 0;
-		break;
 	default:
 		lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
 		ret = -1;

drivers/net/wireless/libertas/cmdresp.c

@@ -702,9 +702,6 @@ static inline int handle_cmd_response(u16 respcmd,
 			memcpy(adapter->cur_cmd->pdata_buf, &resp->params.mesh,
 			       sizeof(resp->params.mesh));
 		break;
-	case CMD_RET(CMD_802_11_TX_RATE_QUERY):
-		priv->adapter->txrate = resp->params.txrate.txrate;
-		break;
 	default:
 		lbs_deb_host("CMD_RESP: unknown cmd response 0x%04x\n",
 			    resp->command);

drivers/net/wireless/libertas/dev.h

@@ -376,7 +376,6 @@ struct _wlan_adapter {
 
 	struct cmd_ds_802_11_get_log logmsg;
 
-	u16 txrate;
 	u32 linkmode;
 	u32 radiomode;
 	u8 fw_ready;

drivers/net/wireless/libertas/wext.c

@@ -949,7 +949,7 @@ static struct iw_statistics *wlan_get_wireless_stats(struct net_device *dev)
 	priv->wstats.discard.misc = le16_to_cpu(adapter->logmsg.ackfailure);
 
 	/* Calculate quality */
-	priv->wstats.qual.qual = min_t(u32, quality, 100);
+	priv->wstats.qual.qual = min_t(u8, quality, 100);
 	priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 	stats_valid = 1;