From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753053AbdBMTA0 (ORCPT ); Mon, 13 Feb 2017 14:00:26 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:44975 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752911AbdBMTAX (ORCPT ); Mon, 13 Feb 2017 14:00:23 -0500 From: Shannon Nelson To: netdev@vger.kernel.org, davem@davemloft.net Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, Sowmini Varadhan , Shannon Nelson Subject: [PATCH v4 net-next 2/8] sunvnet: remove unused variable in maybe_tx_wakeup Date: Mon, 13 Feb 2017 10:56:58 -0800 Message-Id: <1487012224-403399-3-git-send-email-shannon.nelson@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1487012224-403399-1-git-send-email-shannon.nelson@oracle.com> References: <1487012224-403399-1-git-send-email-shannon.nelson@oracle.com> X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sowmini Varadhan The vio_dring_state *dr variable is unused in maybe_tx_wakeup(). As the comments indicate, we call maybe_tx_wakeup() whenever we get a STOPPED LDC message on the port. If the queue is stopped, we want to wake it up so that we will send another START message at the next TX and trigger the consumer to drain the dring. Signed-off-by: Sowmini Varadhan Signed-off-by: Shannon Nelson --- drivers/net/ethernet/sun/sunvnet_common.c | 6 +----- 1 files changed, 1 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/sun/sunvnet_common.c b/drivers/net/ethernet/sun/sunvnet_common.c index c71f000..0f940f0 100644 --- a/drivers/net/ethernet/sun/sunvnet_common.c +++ b/drivers/net/ethernet/sun/sunvnet_common.c @@ -719,12 +719,8 @@ static void maybe_tx_wakeup(struct vnet_port *port) txq = netdev_get_tx_queue(VNET_PORT_TO_NET_DEVICE(port), port->q_index); __netif_tx_lock(txq, smp_processor_id()); - if (likely(netif_tx_queue_stopped(txq))) { - struct vio_dring_state *dr; - - dr = &port->vio.drings[VIO_DRIVER_TX_RING]; + if (likely(netif_tx_queue_stopped(txq))) netif_tx_wake_queue(txq); - } __netif_tx_unlock(txq); } -- 1.7.1