From patchwork Thu May 11 17:02:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Alexis_Lothor=C3=A9?= X-Patchwork-Id: 13238208 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4145C7EE22 for ; Thu, 11 May 2023 17:01:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238769AbjEKRB7 (ORCPT ); Thu, 11 May 2023 13:01:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238774AbjEKRB5 (ORCPT ); Thu, 11 May 2023 13:01:57 -0400 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74E645247; Thu, 11 May 2023 10:01:50 -0700 (PDT) Received: (Authenticated sender: alexis.lothore@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id E59EE240012; Thu, 11 May 2023 17:01:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1683824509; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xDcai/HHLRGOgXUWow6VVexAi1qET6F32H65gRi8ZmI=; b=mX9/fYWVNQ5B9b3iFail4YJVJZDs63Rx1BOyexOB01aClpU5KQv8hSRsSRsyvo57inXtgZ FgU+hlWQBJn5AjjMQV1U5jivNFI88KViXmIhZs6DEUwGFffWL1IFLUI1n8nwKR0uKWlgni KYTrxYxA8ZQHkjnVDVw5j9vpnZs820BxWLJu1+vk6BSQHpBJtLk4bJnMiEe/xyjv+3gIys tq8KjAZ/cwltpri0ENDT8yVDMHJ6c21yskPoJbkM1Q0i46dYcGD36geb2IaONiGOYanE3s h5fWw21CKIX/TYXtwhRBT/SeoB82CZtRh3gTTlZ1tVXcoVYKvl9lixsOxiOBOg== From: alexis.lothore@bootlin.com To: andrew@lunn.ch, f.fainelli@gmail.com, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, herve.codina@bootlin.com, miquel.raynal@bootlin.com, milan.stevanovic@se.com, jimmy.lalande@se.com, pascal.eberhard@se.com Subject: [PATCH net v2 1/3] net: dsa: rzn1-a5psw: enable management frames for CPU port Date: Thu, 11 May 2023 19:02:00 +0200 Message-Id: <20230511170202.742087-2-alexis.lothore@bootlin.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230511170202.742087-1-alexis.lothore@bootlin.com> References: <20230511170202.742087-1-alexis.lothore@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org From: Clément Léger Currently, management frame were discarded before reaching the CPU port due to a misconfiguration of the MGMT_CONFIG register. Enable them by setting the correct value in this register in order to correctly receive management frame and handle STP. Fixes: 888cdb892b61 ("net: dsa: rzn1-a5psw: add Renesas RZ/N1 advanced 5 port switch driver") Signed-off-by: Clément Léger Signed-off-by: Alexis Lothoré Reviewed-by: Vladimir Oltean --- drivers/net/dsa/rzn1_a5psw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c index 919027cf2012..8a419e2ffe2a 100644 --- a/drivers/net/dsa/rzn1_a5psw.c +++ b/drivers/net/dsa/rzn1_a5psw.c @@ -673,7 +673,7 @@ static int a5psw_setup(struct dsa_switch *ds) } /* Configure management port */ - reg = A5PSW_CPU_PORT | A5PSW_MGMT_CFG_DISCARD; + reg = A5PSW_CPU_PORT | A5PSW_MGMT_CFG_ENABLE; a5psw_reg_writel(a5psw, A5PSW_MGMT_CFG, reg); /* Set pattern 0 to forward all frame to mgmt port */