From patchwork Wed Mar 28 00:42:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 891897 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 409pzD36qxz9s02 for ; Wed, 28 Mar 2018 11:43:52 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752672AbeC1Anq (ORCPT ); Tue, 27 Mar 2018 20:43:46 -0400 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:54368 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752653AbeC1Ano (ORCPT ); Tue, 27 Mar 2018 20:43:44 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from saeedm@mellanox.com) with ESMTPS (AES256-SHA encrypted); 28 Mar 2018 02:44:34 +0200 Received: from stpd.mtl.com ([172.16.5.89]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id w2S0hUZ6014432; Wed, 28 Mar 2018 03:43:39 +0300 From: Saeed Mahameed To: "David S. Miller" Cc: netdev@vger.kernel.org, Tariq Toukan , Saeed Mahameed Subject: [net-next 04/15] net/mlx5e: Separate dma base address and offset in dma_sync call Date: Tue, 27 Mar 2018 17:42:38 -0700 Message-Id: <20180328004249.3796-5-saeedm@mellanox.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180328004249.3796-1-saeedm@mellanox.com> References: <20180328004249.3796-1-saeedm@mellanox.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tariq Toukan Pass the base dma address and offset to dma_sync_single_range_for_cpu(), instead of doing the pre-calculation. Signed-off-by: Tariq Toukan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 8cce90dc461d..ffcbe5c3818a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -870,10 +870,8 @@ struct sk_buff *skb_from_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, data = va + rx_headroom; frag_size = MLX5_SKB_FRAG_SZ(rx_headroom + cqe_bcnt); - dma_sync_single_range_for_cpu(rq->pdev, - di->addr + wi->offset, - 0, frag_size, - DMA_FROM_DEVICE); + dma_sync_single_range_for_cpu(rq->pdev, di->addr, wi->offset, + frag_size, DMA_FROM_DEVICE); prefetch(data); wi->offset += frag_size;