staging: r8188eu: remove rtw_os_read_port()

Function rtw_os_read_port() is not used, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-29-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/include/recv_osdep.h

@@ -27,8 +27,6 @@ void rtw_os_recv_resource_free(struct recv_priv *precvpriv);
 int rtw_os_recvbuf_resource_alloc(struct adapter *adapt, struct recv_buf *buf);
 int rtw_os_recvbuf_resource_free(struct adapter *adapt, struct recv_buf *buf);
 
-void rtw_os_read_port(struct adapter *padapter, struct recv_buf *precvbuf);
-
 void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl);
 int _netdev_open(struct net_device *pnetdev);
 int netdev_open(struct net_device *pnetdev);

drivers/staging/r8188eu/os_dep/recv_linux.c

@@ -186,20 +186,6 @@ int rtw_recv_indicatepkt(struct adapter *padapter,
 	 return _FAIL;
 }
 
-void rtw_os_read_port(struct adapter *padapter, struct recv_buf *precvbuf)
-{
-	struct recv_priv *precvpriv = &padapter->recvpriv;
-
-	precvbuf->ref_cnt--;
-	/* free skb in recv_buf */
-	dev_kfree_skb_any(precvbuf->pskb);
-	precvbuf->pskb = NULL;
-	precvbuf->reuse = false;
-	if (!precvbuf->irp_pending)
-		rtw_read_port(padapter, precvpriv->ff_hwaddr, 0,
-			      (unsigned char *)precvbuf);
-}
-
 static void _rtw_reordering_ctrl_timeout_handler(struct timer_list *t)
 {
 	struct recv_reorder_ctrl *preorder_ctrl;