qcacld-3.0: Remove obsolete STA support for SIOCSIWTXPOW

At one time the predecessor to the current driver was managed via
wireless extensions, but now the driver is managed by cfg80211. The
STA implementation of SIOCSIWTXPOW should no longer be used, so remove
it.

Change-Id: I77abd4b621a2541e9b745f3a48cd533dc293bf72
CRs-Fixed: 2128591

core/hdd/src/wlan_hdd_wext.c

@@ -5022,68 +5022,6 @@ static int iw_get_freq(struct net_device *dev, struct iw_request_info *info,
 	return ret;
 }
 
-/**
- * __iw_set_tx_power() - SIOCSIWTXPOW ioctl handler
- * @dev: device upon which the ioctl was received
- * @info: ioctl request information
- * @wrqu: ioctl request data
- * @extra: ioctl extra data
- *
- * Return: 0 on success, non-zero on error
- */
-static int __iw_set_tx_power(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu, char *extra)
-{
-	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
-	tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(adapter);
-	struct hdd_context *hdd_ctx;
-	int ret;
-
-	ENTER_DEV(dev);
-
-	hdd_ctx = WLAN_HDD_GET_CTX(adapter);
-	ret = wlan_hdd_validate_context(hdd_ctx);
-	if (0 != ret)
-		return ret;
-
-	ret = hdd_check_standard_wext_control(hdd_ctx, info);
-	if (0 != ret)
-		return ret;
-
-	if (sme_cfg_set_int(hHal, WNI_CFG_CURRENT_TX_POWER_LEVEL,
-				wrqu->txpower.value) != QDF_STATUS_SUCCESS) {
-		hdd_err("WNI_CFG_CURRENT_TX_POWER_LEVEL failed");
-		return -EIO;
-	}
-
-	EXIT();
-
-	return 0;
-}
-
-/**
- * iw_set_tx_power() - SSR wrapper for __iw_set_tx_power()
- * @dev: pointer to net_device
- * @info: pointer to iw_request_info
- * @wrqu: pointer to iwreq_data
- * @extra: pointer to extra ioctl payload
- *
- * Return: 0 on success, error number otherwise
- */
-static int iw_set_tx_power(struct net_device *dev,
-			   struct iw_request_info *info,
-			   union iwreq_data *wrqu, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_set_tx_power(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_get_bitrate() - SIOCGIWRATE ioctl handler
  * @dev: device upon which the ioctl was received
@@ -11993,7 +11931,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) iw_get_rts_threshold,      /* SIOCGIWRTS */
 	(iw_handler) iw_set_frag_threshold,     /* SIOCSIWFRAG */
 	(iw_handler) iw_get_frag_threshold,     /* SIOCGIWFRAG */
-	(iw_handler) iw_set_tx_power,   /* SIOCSIWTXPOW */
+	(iw_handler) NULL,      /* SIOCSIWTXPOW */
 	(iw_handler) NULL,      /* SIOCGIWTXPOW */
 	(iw_handler) NULL,      /* SIOCSIWRETRY */
 	(iw_handler) NULL,      /* SIOCGIWRETRY */