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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 88E67C48BD6 for ; Wed, 26 Jun 2019 13:48:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 616AC216F4 for ; Wed, 26 Jun 2019 13:48:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="GYHi4t0s" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728127AbfFZNsg (ORCPT ); Wed, 26 Jun 2019 09:48:36 -0400 Received: from smtprelay-out1.synopsys.com ([198.182.47.102]:51146 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727872AbfFZNry (ORCPT ); Wed, 26 Jun 2019 09:47:54 -0400 Received: from mailhost.synopsys.com (mdc-mailhost1.synopsys.com [10.225.0.209]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id B430CC0C40; Wed, 26 Jun 2019 13:47:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1561556874; bh=H2kiYnYGHwJPiP9Y0nLRQqjcyaPDBfP9rf52uCVBhRs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=GYHi4t0s4Pv4OdtDYgTlf6tfhH/2/XLUNEH3z1G2wNwFyMBaZjZMbEtnrZf3YULHk PDGmt1L9t836g/d3PuhwckHFQSGCpVrqRv0rHNS2eifaoPBfvMw++Q/YOdWcHvrcg9 2zgS+wDVHH2tF9fMdA2+IK/1zan10WZB6rB8gOFrgAGLry6OiQ3F7pSPx4zu2b4iSC 49xWY9b9SxffJ9osq9NcOgN1hocKFlvdatIsylSTzXd/XMlh01jbft063aPJ2i4OCh HRtlgtX+xwzzpskQdQppMrQq94OXPAe52JLJu1hMqemz/eCdSlbuCbioANoxDYGY2F KxE8sdGU2l5bg== Received: from de02.synopsys.com (de02.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id E7176A005F; Wed, 26 Jun 2019 13:47:51 +0000 (UTC) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id C9AE93B561; Wed, 26 Jun 2019 15:47:51 +0200 (CEST) From: Jose Abreu To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Cc: Jose Abreu , Joao Pinto , "David S . Miller" , Giuseppe Cavallaro , Alexandre Torgue Subject: [PATCH net-next 03/10] net: stmmac: Decrease default RX Watchdog value Date: Wed, 26 Jun 2019 15:47:37 +0200 Message-Id: <30dc1c3732ff94aa2e77bac89250ee83f2144eea.1561556555.git.joabreu@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For performance reasons decrease the default RX Watchdog value for the minimum allowed. Signed-off-by: Jose Abreu Cc: Joao Pinto Cc: David S. Miller Cc: Giuseppe Cavallaro Cc: Alexandre Torgue --- drivers/net/ethernet/stmicro/stmmac/common.h | 2 +- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index ad9e9368535d..14d8f6d7cb9a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -246,7 +246,7 @@ struct stmmac_safety_stats { /* Max/Min RI Watchdog Timer count value */ #define MAX_DMA_RIWT 0xff -#define MIN_DMA_RIWT 0x20 +#define MIN_DMA_RIWT 0x10 /* Tx coalesce parameters */ #define STMMAC_COAL_TX_TIMER 1000 #define STMMAC_MAX_COAL_TX_TICK 100000 diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index fab65f129207..dc57a2c0a630 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2512,9 +2512,9 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp) priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS; if (priv->use_riwt) { - ret = stmmac_rx_watchdog(priv, priv->ioaddr, MAX_DMA_RIWT, rx_cnt); + ret = stmmac_rx_watchdog(priv, priv->ioaddr, MIN_DMA_RIWT, rx_cnt); if (!ret) - priv->rx_riwt = MAX_DMA_RIWT; + priv->rx_riwt = MIN_DMA_RIWT; } if (priv->hw->pcs) -- 2.7.4