From patchwork Sat Jun 1 00:16:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 1108630 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=none (p=none dis=none) header.from=mediatek.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45G21N3cgpz9sNk for ; Sat, 1 Jun 2019 10:16:40 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726993AbfFAAQg (ORCPT ); Fri, 31 May 2019 20:16:36 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:23431 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726518AbfFAAQg (ORCPT ); Fri, 31 May 2019 20:16:36 -0400 X-UUID: 5271996c16df40fba33bcdd53ac2b4a6-20190601 X-UUID: 5271996c16df40fba33bcdd53ac2b4a6-20190601 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 40283549; Sat, 01 Jun 2019 08:16:30 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 1 Jun 2019 08:16:28 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 1 Jun 2019 08:16:28 +0800 From: To: , CC: , , , , Sean Wang , Mark Lee Subject: [PATCH net v1 2/2] net: ethernet: mediatek: Use NET_IP_ALIGN to judge if HW RX_2BYTE_OFFSET is enabled Date: Sat, 1 Jun 2019 08:16:27 +0800 Message-ID: <1559348187-14941-2-git-send-email-sean.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1559348187-14941-1-git-send-email-sean.wang@mediatek.com> References: <1559348187-14941-1-git-send-email-sean.wang@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: A0B3E15B67915A6D9E21AD7A1D9C947EE3F76452E73B813B3042EC22ACAB26252000:8 X-MTK: N Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sean Wang 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 --- 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 0b88febbaf2a..765cd56ebcd2 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1778,6 +1778,7 @@ 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); @@ -1794,7 +1795,7 @@ 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);