qcacld-3.0: Remove obsolete STA support for SIOCSIWPOWER

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 SIOCSIWPOWER performs no useful actions and
should no longer be used, so remove it.

Change-Id: Ib42d515ca19ca23b50dc34e7df0e62b7507bc728
CRs-Fixed: 2128584

core/hdd/src/wlan_hdd_wext.c

@@ -5705,60 +5705,6 @@ static int iw_set_frag_threshold(struct net_device *dev,
 	return ret;
 }
 
-/**
- * __iw_set_power_mode() - SIOCSIWPOWER 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_power_mode(struct net_device *dev,
-			       struct iw_request_info *info,
-			       union iwreq_data *wrqu, char *extra)
-{
-	struct hdd_adapter *adapter;
-	struct hdd_context *hdd_ctx;
-	int ret;
-
-	ENTER_DEV(dev);
-
-	adapter = WLAN_HDD_GET_PRIV_PTR(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;
-
-	return -EOPNOTSUPP;
-}
-
-/**
- * iw_set_power_mode() - SSR wrapper function for __iw_set_power_mode
- * @dev: pointer to net_device
- * @info: pointer to iw_request_info
- * @wrqu: pointer to iwreq_data
- * @extra: extra
- *
- * Return: 0 on success, error number otherwise
- */
-static int iw_set_power_mode(struct net_device *dev,
-			     struct iw_request_info *info,
-			     union iwreq_data *wrqu, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_set_power_mode(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_get_range() - SIOCGIWRANGE ioctl handler
  * @dev: device upon which the ioctl was received
@@ -12567,7 +12513,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) iw_get_retry,      /* SIOCGIWRETRY */
 	(iw_handler) iw_set_encode,     /* SIOCSIWENCODE */
 	(iw_handler) iw_get_encode,     /* SIOCGIWENCODE */
-	(iw_handler) iw_set_power_mode, /* SIOCSIWPOWER */
+	(iw_handler) NULL,      /* SIOCSIWPOWER */
 	(iw_handler) NULL,      /* SIOCGIWPOWER */
 	(iw_handler) NULL,      /* -- hole -- */
 	(iw_handler) NULL,      /* -- hole -- */