From patchwork Tue Aug 11 10:11:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 505923 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6554114031D for ; Tue, 11 Aug 2015 20:32:23 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964817AbbHKKcT (ORCPT ); Tue, 11 Aug 2015 06:32:19 -0400 Received: from 2.236.17.93.rev.sfr.net ([93.17.236.2]:25343 "EHLO mailhub1.si.c-s.fr" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934303AbbHKKcS (ORCPT ); Tue, 11 Aug 2015 06:32:18 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 519D11C86C1; Tue, 11 Aug 2015 12:11:02 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from mailhub1.si.c-s.fr ([192.168.12.234]) by localhost (mailhub1.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qqTlO1CdBTaz; Tue, 11 Aug 2015 12:11:02 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 397B41C86A1; Tue, 11 Aug 2015 12:11:02 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 23434C73C5; Tue, 11 Aug 2015 12:11:02 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id ZGJfQMHuFLqt; Tue, 11 Aug 2015 12:11:02 +0200 (CEST) Received: from PO10863.localdomain (unknown [172.25.231.4]) by messagerie.si.c-s.fr (Postfix) with ESMTP id E195AC73C4; Tue, 11 Aug 2015 12:11:01 +0200 (CEST) Received: by localhost.localdomain (Postfix, from userid 0) id 116E41A2414; Tue, 11 Aug 2015 12:11:00 +0200 (CEST) From: Christophe Leroy Subject: [PATCH] net: fs_enet: explicitly remove I flag on TX partial frames To: Pantelis Antoniou , Vitaly Bordug , davem@davemloft.net Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org Message-Id: <20150811101101.116E41A2414@localhost.localdomain> Date: Tue, 11 Aug 2015 12:11:00 +0200 (CEST) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org We are not interested in interrupts for partially transmitted frames, we have to clear BD_ENET_TX_INTR explicitly otherwise it may remain from a previously used descriptor. Signed-off-by: Christophe Leroy --- drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c index b9ad34e..84c18ee 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c @@ -585,7 +585,8 @@ static int fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) frag = skb_shinfo(skb)->frags; while (nr_frags) { CBDC_SC(bdp, - BD_ENET_TX_STATS | BD_ENET_TX_LAST | BD_ENET_TX_TC); + BD_ENET_TX_STATS | BD_ENET_TX_INTR | BD_ENET_TX_LAST | + BD_ENET_TX_TC); CBDS_SC(bdp, BD_ENET_TX_READY); if ((CBDR_SC(bdp) & BD_ENET_TX_WRAP) == 0)