From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F20E3C606BD for ; Mon, 8 Jul 2019 15:19:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C1ACB2166E for ; Mon, 8 Jul 2019 15:19:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562599150; bh=uR1AjF105+UTf4n2pmOKr80VoeSOIiGe1oknHSF5fWo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=1jrFVbb9OzSEnepftGt/cFARVS9I8KZnBgaV2sKKsBevewEf4WwMOpmlhAzevbhV5 FlQ+/6Yfw0+OUOTmOmfrtEztFo7dnKncqmPNDJBPA6uQQ1xMTGpZce4BKCSQROlMWm B4RzJ4iR1nQoGxVHBsLTYGaRtl1qVL02ocp3bR9Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729470AbfGHPTJ (ORCPT ); Mon, 8 Jul 2019 11:19:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:43102 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733161AbfGHPTA (ORCPT ); Mon, 8 Jul 2019 11:19:00 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AA07821537; Mon, 8 Jul 2019 15:18:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562599140; bh=uR1AjF105+UTf4n2pmOKr80VoeSOIiGe1oknHSF5fWo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HP/G6prMK8JgvnHIC96pcgAJS0WYlbqUwOymBCBdNaxSM4T6pHKe3CpQVHbSNvGLc /T8Ldo3e5/ous45uooj60A5aHvZLLpTgi7R7G/v/kp58Ni8ma/N6hrjo+MNLgpWYvc +I6r5hBBF/yOU6euDBywh13FOp6crO7H/by35GRQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mark Lee , Sean Wang , "David S. Miller" , Sasha Levin Subject: [PATCH 4.9 019/102] net: ethernet: mediatek: Use NET_IP_ALIGN to judge if HW RX_2BYTE_OFFSET is enabled Date: Mon, 8 Jul 2019 17:12:12 +0200 Message-Id: <20190708150527.177997526@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190708150525.973820964@linuxfoundation.org> References: <20190708150525.973820964@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit 880c2d4b2fdfd580ebcd6bb7240a8027a1d34751 ] Should only enable HW RX_2BYTE_OFFSET function in the case NET_IP_ALIGN equals to 2. Signed-off-by: Mark Lee Signed-off-by: Sean Wang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 03b599109619..d10c8a8156bc 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1700,6 +1700,7 @@ static void mtk_poll_controller(struct net_device *dev) static int mtk_start_dma(struct mtk_eth *eth) { + u32 rx_2b_offset = (NET_IP_ALIGN == 2) ? MTK_RX_2B_OFFSET : 0; int err; err = mtk_dma_init(eth); @@ -1714,7 +1715,7 @@ static int mtk_start_dma(struct mtk_eth *eth) MTK_QDMA_GLO_CFG); mtk_w32(eth, - MTK_RX_DMA_EN | MTK_RX_2B_OFFSET | + MTK_RX_DMA_EN | rx_2b_offset | MTK_RX_BT_32DWORDS | MTK_MULTI_EN, MTK_PDMA_GLO_CFG); -- 2.20.1