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=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 6928ECA9EC4 for ; Tue, 29 Oct 2019 14:15:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3EEFB2087F for ; Tue, 29 Oct 2019 14:15:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tNwGkF6V"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="gCIsjn8K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3EEFB2087F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=LXk1aT8nTT5Uz768tmVAm3NDFLvCsMBcRfOXbvWbC0E=; b=tNwGkF6VWZQT/ErtSCXh0NXoSZ pBCp7TJx2Vwk49Y1P8gzhYQqtY1TawKq9Dh+kuUSUfDI8Rm3w7cYR2S80x9XCvbAzxz6fhg52r4tz ctT7RCLvOTy1H9G7bUlPJGE1PFDNtCzJRkPnJe7Djb11NjJ8KIUzfhjglDMwmCnIcOsU/ryQVPzBb zWYH6YTil9KJY99628a9uojiwqDZFeTDaz89AAO9mCLZGL+VJcCNbNMeMBcyCnpa+K0Tx9RlvBkzm T8gC8s6aTFsgJ1fA1ovI/EvkHDV8YeEAfhXsTa32e0tLSy0hc1aLMkd12fVYfhylTkSS3G2kFdYyu SGCy37/A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iPSHZ-0002ku-Mt; Tue, 29 Oct 2019 14:15:37 +0000 Received: from dc8-smtprelay2.synopsys.com ([198.182.47.102] helo=smtprelay-out1.synopsys.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iPSHG-0001lV-GI for linux-arm-kernel@lists.infradead.org; Tue, 29 Oct 2019 14:15:20 +0000 Received: from mailhost.synopsys.com (mdc-mailhost2.synopsys.com [10.225.0.210]) (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 848F2C0C41; Tue, 29 Oct 2019 14:15:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1572358517; bh=ntn5h+EtiIr26cxuzm1ZrBPes0SSBYvLTZygjleUGzc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=gCIsjn8Ku5XeJLlLhtD2SPNIXN5ekmpgV5MLXScQWNw5wDoAXrpYULQWFFBbwztSU Ix8E+4shQdeqEqR4uFMH0I0kKW5YbVUBIHIdPhU+/dB0+liDtGQWoh2jiJ5TdofOH7 pb0oJYWpmPS0smMcuShMfyrU1Y6/McdwmCwpqgXHtxBlqA7k0nuhJSDvLw1csBHZ4T +S1Ij/+5nE34GhEzuHZXvUetVDWTx/2SqQSIhpQtQJKFPteZsR0ydZmsJ28Y0yushQ yVVso3+RzmXVKzzVOFaVYdA5BQ/d/3Xq4DVONg0kQ1FToMu1rXAM4cvnGXeu4xfSv9 I04ctY+eZfdgw== Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by mailhost.synopsys.com (Postfix) with ESMTP id 29016A0081; Tue, 29 Oct 2019 14:15:15 +0000 (UTC) From: Jose Abreu To: netdev@vger.kernel.org Subject: [PATCH net 9/9] net: stmmac: xgmac: Disable MMC interrupts by default Date: Tue, 29 Oct 2019 15:14:53 +0100 Message-Id: <4c77b55e43cf7a3243086a465b50568eb352d534.1572355609.git.Jose.Abreu@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191029_071518_569421_0D339B1A X-CRM114-Status: GOOD ( 12.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jose Abreu , Joao Pinto , Alexandre Torgue , linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Maxime Coquelin , Giuseppe Cavallaro , "David S. Miller" , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org MMC interrupts were being enabled, which is not what we want because it will lead to a storm of interrupts that are not handled at all. Fix it by disabling all MMC interrupts for XGMAC. Fixes: b6cdf09f51c2 ("net: stmmac: xgmac: Implement MMC counters") Signed-off-by: Jose Abreu --- Cc: Giuseppe Cavallaro Cc: Alexandre Torgue Cc: Jose Abreu Cc: "David S. Miller" Cc: Maxime Coquelin Cc: netdev@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/net/ethernet/stmicro/stmmac/mmc_core.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c index a223584f5f9a..252cf48c5816 100644 --- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c @@ -176,6 +176,7 @@ #define MMC_XGMAC_RX_PKT_SMD_ERR 0x22c #define MMC_XGMAC_RX_PKT_ASSEMBLY_OK 0x230 #define MMC_XGMAC_RX_FPE_FRAG 0x234 +#define MMC_XGMAC_RX_IPC_INTR_MASK 0x25c static void dwmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode) { @@ -333,8 +334,9 @@ static void dwxgmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode) static void dwxgmac_mmc_intr_all_mask(void __iomem *mmcaddr) { - writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_INTR_MASK); - writel(MMC_DEFAULT_MASK, mmcaddr + MMC_TX_INTR_MASK); + writel(0x0, mmcaddr + MMC_RX_INTR_MASK); + writel(0x0, mmcaddr + MMC_TX_INTR_MASK); + writel(MMC_DEFAULT_MASK, mmcaddr + MMC_XGMAC_RX_IPC_INTR_MASK); } static void dwxgmac_read_mmc_reg(void __iomem *addr, u32 reg, u32 *dest) -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel