From patchwork Thu May 23 07:37:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jose Abreu X-Patchwork-Id: 1103880 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=pass (p=none dis=none) header.from=synopsys.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.b="WOw0mD1l"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 458hFf6q1Cz9s6w for ; Thu, 23 May 2019 17:38:46 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730534AbfEWHic (ORCPT ); Thu, 23 May 2019 03:38:32 -0400 Received: from smtprelay-out1.synopsys.com ([198.182.47.102]:43592 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1730150AbfEWHhb (ORCPT ); Thu, 23 May 2019 03:37:31 -0400 Received: from mailhost.synopsys.com (dc2-mailhost2.synopsys.com [10.12.135.162]) (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 D057BC0192; Thu, 23 May 2019 07:37:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1558597057; bh=Ov6NfcG97VTah4g4GGXOMfkMTg12mw14VW62NwwkFuQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=WOw0mD1lUK/KjvEseWKdELWom+jUFRLK3rq37ugglm39RkUQJ+tIep6MeqGOe206M WxKUSsBTdvSzK+qlXxfrOgKKeq5s1N+FS4+bmaE2kI2b1vdpGhKG/DKHxAcIgCmC6p NDvEdeWL/kk+LGQK904/1RpM/XbYWQXpBCE4+7Ff+147SLqvKkkWOjMh5g9xpRXCC7 ZAnqA6NfpF2QyFFrlOljjNbJBcQtIalw0rwON8cFU5B/UxzfWGwI/YKbbILe0t1faB noF+wCO7Q489vLeYBSHOFwmCBVpabkSBXG/AW1McMxuXm6iBQ+fHQ54H5WBXBx3gzh PWGPFsSe/NNAg== Received: from de02.synopsys.com (de02.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id 5EB5FA00A4; Thu, 23 May 2019 07:37:30 +0000 (UTC) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id DA0713D961; Thu, 23 May 2019 09:37:28 +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 13/18] net: stmmac: dwmac1000: Clear unused address entries Date: Thu, 23 May 2019 09:37:03 +0200 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org In case we don't use a given address entry we need to clear it because it could contain previous values that are no longer valid. Found out while running stmmac selftests. Signed-off-by: Jose Abreu Cc: Joao Pinto Cc: David S. Miller Cc: Giuseppe Cavallaro Cc: Alexandre Torgue --- drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index bc91af6c01b6..ebe41dd09bab 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -217,6 +217,12 @@ static void dwmac1000_set_filter(struct mac_device_info *hw, GMAC_ADDR_LOW(reg)); reg++; } + + while (reg <= perfect_addr_number) { + writel(0, ioaddr + GMAC_ADDR_HIGH(reg)); + writel(0, ioaddr + GMAC_ADDR_LOW(reg)); + reg++; + } } #ifdef FRAME_FILTER_DEBUG