From patchwork Thu Apr 7 19:26:44 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Crispin X-Patchwork-Id: 8776721 Return-Path: X-Original-To: patchwork-linux-mediatek@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4665FC0555 for ; Thu, 7 Apr 2016 19:27:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8B20720251 for ; Thu, 7 Apr 2016 19:27:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CC8FF20256 for ; Thu, 7 Apr 2016 19:27:25 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aoFaP-0007vy-0p; Thu, 07 Apr 2016 19:27:25 +0000 Received: from caladan.dune.hu ([78.24.191.180] helo=arrakis.dune.hu) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aoFaK-0007tU-72 for linux-mediatek@lists.infradead.org; Thu, 07 Apr 2016 19:27:22 +0000 Received: from arrakis.dune.hu (localhost [127.0.0.1]) by arrakis.dune.hu (Postfix) with ESMTP id 6A3CCB91460; Thu, 7 Apr 2016 21:26:58 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (unknown [84.140.135.254]) by arrakis.dune.hu (Postfix) with ESMTPSA; Thu, 7 Apr 2016 21:26:58 +0200 (CEST) From: John Crispin To: "David S. Miller" Subject: [PATCH V2 2/8] net: mediatek: mtk_cal_txd_req() returns bad value Date: Thu, 7 Apr 2016 21:26:44 +0200 Message-Id: <1460057210-55786-3-git-send-email-blogic@openwrt.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1460057210-55786-1-git-send-email-blogic@openwrt.org> References: <1460057210-55786-1-git-send-email-blogic@openwrt.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160407_122720_596172_E85202A9 X-CRM114-Status: GOOD ( 10.79 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Felix Fietkau , netdev@vger.kernel.org, =?UTF-8?q?Sean=20Wang=20=28=E7=8E=8B=E5=BF=97=E4=BA=98=29?= , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Matthias Brugger , John Crispin MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The code used to also support the PDMA engine, which had 2 packet pointers per descriptor. Because of this we had to divide the result by 2 and round it up. This is no longer needed as the code only supports QDMA. Signed-off-by: John Crispin --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index bb10d57..94cceb8 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -681,7 +681,7 @@ static inline int mtk_cal_txd_req(struct sk_buff *skb) nfrags += skb_shinfo(skb)->nr_frags; } - return DIV_ROUND_UP(nfrags, 2); + return nfrags; } static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)